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/wp-admin/includes/ -> media.php (source)

   1  <?php
   2  /**
   3   * WordPress Administration Media API.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /**
  10   * Defines the default media upload tabs
  11   *
  12   * @since 2.5.0
  13   *
  14   * @return array default tabs
  15   */
  16  function media_upload_tabs() {
  17      $_default_tabs = array(
  18          'type' => __('From Computer'), // handler action suffix => tab text
  19          'type_url' => __('From URL'),
  20          'gallery' => __('Gallery'),
  21          'library' => __('Media Library')
  22      );
  23  
  24      /**
  25       * Filter the available tabs in the legacy (pre-3.5.0) media popup.
  26       *
  27       * @since 2.5.0
  28       *
  29       * @param array $_default_tabs An array of media tabs.
  30       */
  31      return apply_filters( 'media_upload_tabs', $_default_tabs );
  32  }
  33  
  34  /**
  35   * Adds the gallery tab back to the tabs array if post has image attachments
  36   *
  37   * @since 2.5.0
  38   *
  39   * @global wpdb $wpdb WordPress database abstraction object.
  40   *
  41   * @param array $tabs
  42   * @return array $tabs with gallery if post has image attachment
  43   */
  44  function update_gallery_tab($tabs) {
  45      global $wpdb;
  46  
  47      if ( !isset($_REQUEST['post_id']) ) {
  48          unset($tabs['gallery']);
  49          return $tabs;
  50      }
  51  
  52      $post_id = intval($_REQUEST['post_id']);
  53  
  54      if ( $post_id )
  55          $attachments = intval( $wpdb->get_var( $wpdb->prepare( "SELECT count(*) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' AND post_parent = %d", $post_id ) ) );
  56  
  57      if ( empty($attachments) ) {
  58          unset($tabs['gallery']);
  59          return $tabs;
  60      }
  61  
  62      $tabs['gallery'] = sprintf(__('Gallery (%s)'), "<span id='attachments-count'>$attachments</span>");
  63  
  64      return $tabs;
  65  }
  66  
  67  /**
  68   * Outputs the legacy media upload tabs UI.
  69   *
  70   * @since 2.5.0
  71   *
  72   * @global string $redir_tab
  73   */
  74  function the_media_upload_tabs() {
  75      global $redir_tab;
  76      $tabs = media_upload_tabs();
  77      $default = 'type';
  78  
  79      if ( !empty($tabs) ) {
  80          echo "<ul id='sidemenu'>\n";
  81          if ( isset($redir_tab) && array_key_exists($redir_tab, $tabs) ) {
  82              $current = $redir_tab;
  83          } elseif ( isset($_GET['tab']) && array_key_exists($_GET['tab'], $tabs) ) {
  84              $current = $_GET['tab'];
  85          } else {
  86              /** This filter is documented in wp-admin/media-upload.php */
  87              $current = apply_filters( 'media_upload_default_tab', $default );
  88          }
  89  
  90          foreach ( $tabs as $callback => $text ) {
  91              $class = '';
  92  
  93              if ( $current == $callback )
  94                  $class = " class='current'";
  95  
  96              $href = add_query_arg(array('tab' => $callback, 's' => false, 'paged' => false, 'post_mime_type' => false, 'm' => false));
  97              $link = "<a href='" . esc_url($href) . "'$class>$text</a>";
  98              echo "\t<li id='" . esc_attr("tab-$callback") . "'>$link</li>\n";
  99          }
 100          echo "</ul>\n";
 101      }
 102  }
 103  
 104  /**
 105   * Retrieves the image HTML to send to the editor.
 106   *
 107   * @since 2.5.0
 108   *
 109   * @param int          $id      Image attachment id.
 110   * @param string       $caption Image caption.
 111   * @param string       $title   Image title attribute.
 112   * @param string       $align   Image CSS alignment property.
 113   * @param string       $url     Optional. Image src URL. Default empty.
 114   * @param bool|string  $rel     Optional. Value for rel attribute or whether to add a default value. Default false.
 115   * @param string|array $size    Optional. Image size. Accepts any valid image size, or an array of width
 116   *                              and height values in pixels (in that order). Default 'medium'.
 117   * @param string       $alt     Optional. Image alt attribute. Default empty.
 118   * @return string The HTML output to insert into the editor.
 119   */
 120  function get_image_send_to_editor( $id, $caption, $title, $align, $url = '', $rel = false, $size = 'medium', $alt = '' ) {
 121  
 122      $html = get_image_tag( $id, $alt, '', $align, $size );
 123  
 124      if ( $rel ) {
 125          if ( is_string( $rel ) ) {
 126              $rel = ' rel="' . esc_attr( $rel ) . '"';
 127          } else {
 128              $rel = ' rel="attachment wp-att-' . intval( $id ) . '"';
 129          }
 130      } else {
 131          $rel = '';
 132      }
 133  
 134      if ( $url )
 135          $html = '<a href="' . esc_attr( $url ) . '"' . $rel . '>' . $html . '</a>';
 136  
 137      /**
 138       * Filter the image HTML markup to send to the editor.
 139       *
 140       * @since 2.5.0
 141       *
 142       * @param string       $html    The image HTML markup to send.
 143       * @param int          $id      The attachment id.
 144       * @param string       $caption The image caption.
 145       * @param string       $title   The image title.
 146       * @param string       $align   The image alignment.
 147       * @param string       $url     The image source URL.
 148       * @param string|array $size    Size of image. Image size or array of width and height values
 149       *                              (in that order). Default 'medium'.
 150       * @param string       $alt     The image alternative, or alt, text.
 151       */
 152      $html = apply_filters( 'image_send_to_editor', $html, $id, $caption, $title, $align, $url, $size, $alt );
 153  
 154      return $html;
 155  }
 156  
 157  /**
 158   * Adds image shortcode with caption to editor
 159   *
 160   * @since 2.6.0
 161   *
 162   * @param string $html
 163   * @param integer $id
 164   * @param string $caption image caption
 165   * @param string $title image title attribute
 166   * @param string $align image css alignment property
 167   * @param string $url image src url
 168   * @param string $size image size (thumbnail, medium, large, full or added with add_image_size() )
 169   * @param string $alt image alt attribute
 170   * @return string
 171   */
 172  function image_add_caption( $html, $id, $caption, $title, $align, $url, $size, $alt = '' ) {
 173  
 174      /**
 175       * Filter the caption text.
 176       *
 177       * Note: If the caption text is empty, the caption shortcode will not be appended
 178       * to the image HTML when inserted into the editor.
 179       *
 180       * Passing an empty value also prevents the {@see 'image_add_caption_shortcode'}
 181       * filter from being evaluated at the end of {@see image_add_caption()}.
 182       *
 183       * @since 4.1.0
 184       *
 185       * @param string $caption The original caption text.
 186       * @param int    $id      The attachment ID.
 187       */
 188      $caption = apply_filters( 'image_add_caption_text', $caption, $id );
 189  
 190      /**
 191       * Filter whether to disable captions.
 192       *
 193       * Prevents image captions from being appended to image HTML when inserted into the editor.
 194       *
 195       * @since 2.6.0
 196       *
 197       * @param bool $bool Whether to disable appending captions. Returning true to the filter
 198       *                   will disable captions. Default empty string.
 199       */
 200      if ( empty($caption) || apply_filters( 'disable_captions', '' ) )
 201          return $html;
 202  
 203      $id = ( 0 < (int) $id ) ? 'attachment_' . $id : '';
 204  
 205      if ( ! preg_match( '/width=["\']([0-9]+)/', $html, $matches ) )
 206          return $html;
 207  
 208      $width = $matches[1];
 209  
 210      $caption = str_replace( array("\r\n", "\r"), "\n", $caption);
 211      $caption = preg_replace_callback( '/<[a-zA-Z0-9]+(?: [^<>]+>)*/', '_cleanup_image_add_caption', $caption );
 212  
 213      // Convert any remaining line breaks to <br>.
 214      $caption = preg_replace( '/[ \n\t]*\n[ \t]*/', '<br />', $caption );
 215  
 216      $html = preg_replace( '/(class=["\'][^\'"]*)align(none|left|right|center)\s?/', '$1', $html );
 217      if ( empty($align) )
 218          $align = 'none';
 219  
 220      $shcode = '[caption id="' . $id . '" align="align' . $align    . '" width="' . $width . '"]' . $html . ' ' . $caption . '[/caption]';
 221  
 222      /**
 223       * Filter the image HTML markup including the caption shortcode.
 224       *
 225       * @since 2.6.0
 226       *
 227       * @param string $shcode The image HTML markup with caption shortcode.
 228       * @param string $html   The image HTML markup.
 229       */
 230      return apply_filters( 'image_add_caption_shortcode', $shcode, $html );
 231  }
 232  
 233  /**
 234   * Private preg_replace callback used in image_add_caption()
 235   *
 236   * @access private
 237   * @since 3.4.0
 238   */
 239  function _cleanup_image_add_caption( $matches ) {
 240      // Remove any line breaks from inside the tags.
 241      return preg_replace( '/[\r\n\t]+/', ' ', $matches[0] );
 242  }
 243  
 244  /**
 245   * Adds image html to editor
 246   *
 247   * @since 2.5.0
 248   *
 249   * @param string $html
 250   */
 251  function media_send_to_editor($html) {
 252  ?>
 253  <script type="text/javascript">
 254  var win = window.dialogArguments || opener || parent || top;
 255  win.send_to_editor( <?php echo wp_json_encode( $html ); ?> );
 256  </script>
 257  <?php
 258      exit;
 259  }
 260  
 261  /**
 262   * Save a file submitted from a POST request and create an attachment post for it.
 263   *
 264   * @since 2.5.0
 265   *
 266   * @param string $file_id   Index of the {@link $_FILES} array that the file was sent. Required.
 267   * @param int    $post_id   The post ID of a post to attach the media item to. Required, but can
 268   *                          be set to 0, creating a media item that has no relationship to a post.
 269   * @param array  $post_data Overwrite some of the attachment. Optional.
 270   * @param array  $overrides Override the {@link wp_handle_upload()} behavior. Optional.
 271   * @return int|WP_Error ID of the attachment or a WP_Error object on failure.
 272   */
 273  function media_handle_upload($file_id, $post_id, $post_data = array(), $overrides = array( 'test_form' => false )) {
 274  
 275      $time = current_time('mysql');
 276      if ( $post = get_post($post_id) ) {
 277          if ( substr( $post->post_date, 0, 4 ) > 0 )
 278              $time = $post->post_date;
 279      }
 280  
 281      $name = $_FILES[$file_id]['name'];
 282      $file = wp_handle_upload($_FILES[$file_id], $overrides, $time);
 283  
 284      if ( isset($file['error']) )
 285          return new WP_Error( 'upload_error', $file['error'] );
 286  
 287      $name_parts = pathinfo($name);
 288      $name = trim( substr( $name, 0, -(1 + strlen($name_parts['extension'])) ) );
 289  
 290      $url = $file['url'];
 291      $type = $file['type'];
 292      $file = $file['file'];
 293      $title = $name;
 294      $content = '';
 295      $excerpt = '';
 296  
 297      if ( preg_match( '#^audio#', $type ) ) {
 298          $meta = wp_read_audio_metadata( $file );
 299  
 300          if ( ! empty( $meta['title'] ) ) {
 301              $title = $meta['title'];
 302          }
 303  
 304          if ( ! empty( $title ) ) {
 305  
 306              if ( ! empty( $meta['album'] ) && ! empty( $meta['artist'] ) ) {
 307                  /* translators: 1: audio track title, 2: album title, 3: artist name */
 308                  $content .= sprintf( __( '"%1$s" from %2$s by %3$s.' ), $title, $meta['album'], $meta['artist'] );
 309              } elseif ( ! empty( $meta['album'] ) ) {
 310                  /* translators: 1: audio track title, 2: album title */
 311                  $content .= sprintf( __( '"%1$s" from %2$s.' ), $title, $meta['album'] );
 312              } elseif ( ! empty( $meta['artist'] ) ) {
 313                  /* translators: 1: audio track title, 2: artist name */
 314                  $content .= sprintf( __( '"%1$s" by %2$s.' ), $title, $meta['artist'] );
 315              } else {
 316                  $content .= sprintf( __( '"%s".' ), $title );
 317              }
 318  
 319          } elseif ( ! empty( $meta['album'] ) ) {
 320  
 321              if ( ! empty( $meta['artist'] ) ) {
 322                  /* translators: 1: audio album title, 2: artist name */
 323                  $content .= sprintf( __( '%1$s by %2$s.' ), $meta['album'], $meta['artist'] );
 324              } else {
 325                  $content .= $meta['album'] . '.';
 326              }
 327  
 328          } elseif ( ! empty( $meta['artist'] ) ) {
 329  
 330              $content .= $meta['artist'] . '.';
 331  
 332          }
 333  
 334          if ( ! empty( $meta['year'] ) )
 335              $content .= ' ' . sprintf( __( 'Released: %d.' ), $meta['year'] );
 336  
 337          if ( ! empty( $meta['track_number'] ) ) {
 338              $track_number = explode( '/', $meta['track_number'] );
 339              if ( isset( $track_number[1] ) )
 340                  $content .= ' ' . sprintf( __( 'Track %1$s of %2$s.' ), number_format_i18n( $track_number[0] ), number_format_i18n( $track_number[1] ) );
 341              else
 342                  $content .= ' ' . sprintf( __( 'Track %1$s.' ), number_format_i18n( $track_number[0] ) );
 343          }
 344  
 345          if ( ! empty( $meta['genre'] ) )
 346              $content .= ' ' . sprintf( __( 'Genre: %s.' ), $meta['genre'] );
 347  
 348      // Use image exif/iptc data for title and caption defaults if possible.
 349      } elseif ( 0 === strpos( $type, 'image/' ) && $image_meta = @wp_read_image_metadata( $file ) ) {
 350          if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
 351              $title = $image_meta['title'];
 352          }
 353  
 354          if ( trim( $image_meta['caption'] ) ) {
 355              $excerpt = $image_meta['caption'];
 356          }
 357      }
 358  
 359      // Construct the attachment array
 360      $attachment = array_merge( array(
 361          'post_mime_type' => $type,
 362          'guid' => $url,
 363          'post_parent' => $post_id,
 364          'post_title' => $title,
 365          'post_content' => $content,
 366          'post_excerpt' => $excerpt,
 367      ), $post_data );
 368  
 369      // This should never be set as it would then overwrite an existing attachment.
 370      unset( $attachment['ID'] );
 371  
 372      // Save the data
 373      $id = wp_insert_attachment($attachment, $file, $post_id);
 374      if ( !is_wp_error($id) ) {
 375          wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
 376      }
 377  
 378      return $id;
 379  
 380  }
 381  
 382  /**
 383   * This handles a sideloaded file in the same way as an uploaded file is handled by {@link media_handle_upload()}
 384   *
 385   * @since 2.6.0
 386   *
 387   * @param array $file_array Array similar to a {@link $_FILES} upload array
 388   * @param int $post_id The post ID the media is associated with
 389   * @param string $desc Description of the sideloaded file
 390   * @param array $post_data allows you to overwrite some of the attachment
 391   * @return int|object The ID of the attachment or a WP_Error on failure
 392   */
 393  function media_handle_sideload($file_array, $post_id, $desc = null, $post_data = array()) {
 394      $overrides = array('test_form'=>false);
 395  
 396      $time = current_time( 'mysql' );
 397      if ( $post = get_post( $post_id ) ) {
 398          if ( substr( $post->post_date, 0, 4 ) > 0 )
 399              $time = $post->post_date;
 400      }
 401  
 402      $file = wp_handle_sideload( $file_array, $overrides, $time );
 403      if ( isset($file['error']) )
 404          return new WP_Error( 'upload_error', $file['error'] );
 405  
 406      $url = $file['url'];
 407      $type = $file['type'];
 408      $file = $file['file'];
 409      $title = preg_replace('/\.[^.]+$/', '', basename($file));
 410      $content = '';
 411  
 412      // Use image exif/iptc data for title and caption defaults if possible.
 413      if ( $image_meta = @wp_read_image_metadata($file) ) {
 414          if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) )
 415              $title = $image_meta['title'];
 416          if ( trim( $image_meta['caption'] ) )
 417              $content = $image_meta['caption'];
 418      }
 419  
 420      if ( isset( $desc ) )
 421          $title = $desc;
 422  
 423      // Construct the attachment array.
 424      $attachment = array_merge( array(
 425          'post_mime_type' => $type,
 426          'guid' => $url,
 427          'post_parent' => $post_id,
 428          'post_title' => $title,
 429          'post_content' => $content,
 430      ), $post_data );
 431  
 432      // This should never be set as it would then overwrite an existing attachment.
 433      unset( $attachment['ID'] );
 434  
 435      // Save the attachment metadata
 436      $id = wp_insert_attachment($attachment, $file, $post_id);
 437      if ( !is_wp_error($id) )
 438          wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
 439  
 440      return $id;
 441  }
 442  
 443  /**
 444   * Adds the iframe to display content for the media upload page
 445   *
 446   * @since 2.5.0
 447   *
 448   * @global int $body_id
 449   *
 450   * @param string|callable $content_func
 451   */
 452  function wp_iframe($content_func /* ... */) {
 453      _wp_admin_html_begin();
 454  ?>
 455  <title><?php bloginfo('name') ?> &rsaquo; <?php _e('Uploads'); ?> &#8212; <?php _e('WordPress'); ?></title>
 456  <?php
 457  
 458  wp_enqueue_style( 'colors' );
 459  // Check callback name for 'media'
 460  if ( ( is_array( $content_func ) && ! empty( $content_func[1] ) && 0 === strpos( (string) $content_func[1], 'media' ) )
 461      || ( ! is_array( $content_func ) && 0 === strpos( $content_func, 'media' ) ) )
 462      wp_enqueue_style( 'deprecated-media' );
 463  wp_enqueue_style( 'ie' );
 464  ?>
 465  <script type="text/javascript">
 466  addLoadEvent = function(func){if(typeof jQuery!="undefined")jQuery(document).ready(func);else if(typeof wpOnload!='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
 467  var ajaxurl = '<?php echo admin_url( 'admin-ajax.php', 'relative' ); ?>', pagenow = 'media-upload-popup', adminpage = 'media-upload-popup',
 468  isRtl = <?php echo (int) is_rtl(); ?>;
 469  </script>
 470  <?php
 471      /** This action is documented in wp-admin/admin-header.php */
 472      do_action( 'admin_enqueue_scripts', 'media-upload-popup' );
 473  
 474      /**
 475       * Fires when admin styles enqueued for the legacy (pre-3.5.0) media upload popup are printed.
 476       *
 477       * @since 2.9.0
 478       */
 479      do_action( 'admin_print_styles-media-upload-popup' );
 480  
 481      /** This action is documented in wp-admin/admin-header.php */
 482      do_action( 'admin_print_styles' );
 483  
 484      /**
 485       * Fires when admin scripts enqueued for the legacy (pre-3.5.0) media upload popup are printed.
 486       *
 487       * @since 2.9.0
 488       */
 489      do_action( 'admin_print_scripts-media-upload-popup' );
 490  
 491      /** This action is documented in wp-admin/admin-header.php */
 492      do_action( 'admin_print_scripts' );
 493  
 494      /**
 495       * Fires when scripts enqueued for the admin header for the legacy (pre-3.5.0)
 496       * media upload popup are printed.
 497       *
 498       * @since 2.9.0
 499       */
 500      do_action( 'admin_head-media-upload-popup' );
 501  
 502      /** This action is documented in wp-admin/admin-header.php */
 503      do_action( 'admin_head' );
 504  
 505  if ( is_string( $content_func ) ) {
 506      /**
 507       * Fires in the admin header for each specific form tab in the legacy
 508       * (pre-3.5.0) media upload popup.
 509       *
 510       * The dynamic portion of the hook, `$content_func`, refers to the form
 511       * callback for the media upload type. Possible values include
 512       * 'media_upload_type_form', 'media_upload_type_url_form', and
 513       * 'media_upload_library_form'.
 514       *
 515       * @since 2.5.0
 516       */
 517      do_action( "admin_head_{$content_func}" );
 518  }
 519  ?>
 520  </head>
 521  <body<?php if ( isset($GLOBALS['body_id']) ) echo ' id="' . $GLOBALS['body_id'] . '"'; ?> class="wp-core-ui no-js">
 522  <script type="text/javascript">
 523  document.body.className = document.body.className.replace('no-js', 'js');
 524  </script>
 525  <?php
 526      $args = func_get_args();
 527      $args = array_slice($args, 1);
 528      call_user_func_array($content_func, $args);
 529  
 530      /** This action is documented in wp-admin/admin-footer.php */
 531      do_action( 'admin_print_footer_scripts' );
 532  ?>
 533  <script type="text/javascript">if(typeof wpOnload=='function')wpOnload();</script>
 534  </body>
 535  </html>
 536  <?php
 537  }
 538  
 539  /**
 540   * Adds the media button to the editor
 541   *
 542   * @since 2.5.0
 543   *
 544   * @global int $post_ID
 545   *
 546   * @staticvar int $instance
 547   *
 548   * @param string $editor_id
 549   */
 550  function media_buttons($editor_id = 'content') {
 551      static $instance = 0;
 552      $instance++;
 553  
 554      $post = get_post();
 555      if ( ! $post && ! empty( $GLOBALS['post_ID'] ) )
 556          $post = $GLOBALS['post_ID'];
 557  
 558      wp_enqueue_media( array(
 559          'post' => $post
 560      ) );
 561  
 562      $img = '<span class="wp-media-buttons-icon"></span> ';
 563  
 564      $id_attribute = $instance === 1 ? ' id="insert-media-button"' : '';
 565      printf( '<button type="button"%s class="button insert-media add_media" data-editor="%s">%s</button>',
 566          $id_attribute,
 567          esc_attr( $editor_id ),
 568          $img . __( 'Add Media' )
 569      );
 570      /**
 571       * Filter the legacy (pre-3.5.0) media buttons.
 572       *
 573       * @since 2.5.0
 574       * @deprecated 3.5.0 Use 'media_buttons' action instead.
 575       *
 576       * @param string $string Media buttons context. Default empty.
 577       */
 578      $legacy_filter = apply_filters( 'media_buttons_context', '' );
 579  
 580      if ( $legacy_filter ) {
 581          // #WP22559. Close <a> if a plugin started by closing <a> to open their own <a> tag.
 582          if ( 0 === stripos( trim( $legacy_filter ), '</a>' ) )
 583              $legacy_filter .= '</a>';
 584          echo $legacy_filter;
 585      }
 586  }
 587  
 588  /**
 589   *
 590   * @global int $post_ID
 591   * @param string $type
 592   * @param int $post_id
 593   * @param string $tab
 594   * @return string
 595   */
 596  function get_upload_iframe_src( $type = null, $post_id = null, $tab = null ) {
 597      global $post_ID;
 598  
 599      if ( empty( $post_id ) )
 600          $post_id = $post_ID;
 601  
 602      $upload_iframe_src = add_query_arg( 'post_id', (int) $post_id, admin_url('media-upload.php') );
 603  
 604      if ( $type && 'media' != $type )
 605          $upload_iframe_src = add_query_arg('type', $type, $upload_iframe_src);
 606  
 607      if ( ! empty( $tab ) )
 608          $upload_iframe_src = add_query_arg('tab', $tab, $upload_iframe_src);
 609  
 610      /**
 611       * Filter the upload iframe source URL for a specific media type.
 612       *
 613       * The dynamic portion of the hook name, `$type`, refers to the type
 614       * of media uploaded.
 615       *
 616       * @since 3.0.0
 617       *
 618       * @param string $upload_iframe_src The upload iframe source URL by type.
 619       */
 620      $upload_iframe_src = apply_filters( $type . '_upload_iframe_src', $upload_iframe_src );
 621  
 622      return add_query_arg('TB_iframe', true, $upload_iframe_src);
 623  }
 624  
 625  /**
 626   * Handles form submissions for the legacy media uploader.
 627   *
 628   * @since 2.5.0
 629   *
 630   * @return mixed void|object WP_Error on failure
 631   */
 632  function media_upload_form_handler() {
 633      check_admin_referer('media-form');
 634  
 635      $errors = null;
 636  
 637      if ( isset($_POST['send']) ) {
 638          $keys = array_keys( $_POST['send'] );
 639          $send_id = (int) reset( $keys );
 640      }
 641  
 642      if ( !empty($_POST['attachments']) ) foreach ( $_POST['attachments'] as $attachment_id => $attachment ) {
 643          $post = $_post = get_post($attachment_id, ARRAY_A);
 644  
 645          if ( !current_user_can( 'edit_post', $attachment_id ) )
 646              continue;
 647  
 648          if ( isset($attachment['post_content']) )
 649              $post['post_content'] = $attachment['post_content'];
 650          if ( isset($attachment['post_title']) )
 651              $post['post_title'] = $attachment['post_title'];
 652          if ( isset($attachment['post_excerpt']) )
 653              $post['post_excerpt'] = $attachment['post_excerpt'];
 654          if ( isset($attachment['menu_order']) )
 655              $post['menu_order'] = $attachment['menu_order'];
 656  
 657          if ( isset($send_id) && $attachment_id == $send_id ) {
 658              if ( isset($attachment['post_parent']) )
 659                  $post['post_parent'] = $attachment['post_parent'];
 660          }
 661  
 662          /**
 663           * Filter the attachment fields to be saved.
 664           *
 665           * @since 2.5.0
 666           *
 667           * @see wp_get_attachment_metadata()
 668           *
 669           * @param array $post       An array of post data.
 670           * @param array $attachment An array of attachment metadata.
 671           */
 672          $post = apply_filters( 'attachment_fields_to_save', $post, $attachment );
 673  
 674          if ( isset($attachment['image_alt']) ) {
 675              $image_alt = wp_unslash( $attachment['image_alt'] );
 676              if ( $image_alt != get_post_meta($attachment_id, '_wp_attachment_image_alt', true) ) {
 677                  $image_alt = wp_strip_all_tags( $image_alt, true );
 678  
 679                  // Update_meta expects slashed.
 680                  update_post_meta( $attachment_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
 681              }
 682          }
 683  
 684          if ( isset($post['errors']) ) {
 685              $errors[$attachment_id] = $post['errors'];
 686              unset($post['errors']);
 687          }
 688  
 689          if ( $post != $_post )
 690              wp_update_post($post);
 691  
 692          foreach ( get_attachment_taxonomies($post) as $t ) {
 693              if ( isset($attachment[$t]) )
 694                  wp_set_object_terms($attachment_id, array_map('trim', preg_split('/,+/', $attachment[$t])), $t, false);
 695          }
 696      }
 697  
 698      if ( isset($_POST['insert-gallery']) || isset($_POST['update-gallery']) ) { ?>
 699          <script type="text/javascript">
 700          var win = window.dialogArguments || opener || parent || top;
 701          win.tb_remove();
 702          </script>
 703          <?php
 704          exit;
 705      }
 706  
 707      if ( isset($send_id) ) {
 708          $attachment = wp_unslash( $_POST['attachments'][$send_id] );
 709  
 710          $html = isset( $attachment['post_title'] ) ? $attachment['post_title'] : '';
 711          if ( !empty($attachment['url']) ) {
 712              $rel = '';
 713              if ( strpos($attachment['url'], 'attachment_id') || get_attachment_link($send_id) == $attachment['url'] )
 714                  $rel = " rel='attachment wp-att-" . esc_attr($send_id) . "'";
 715              $html = "<a href='{$attachment['url']}'$rel>$html</a>";
 716          }
 717  
 718          /**
 719           * Filter the HTML markup for a media item sent to the editor.
 720           *
 721           * @since 2.5.0
 722           *
 723           * @see wp_get_attachment_metadata()
 724           *
 725           * @param string $html       HTML markup for a media item sent to the editor.
 726           * @param int    $send_id    The first key from the $_POST['send'] data.
 727           * @param array  $attachment Array of attachment metadata.
 728           */
 729          $html = apply_filters( 'media_send_to_editor', $html, $send_id, $attachment );
 730          return media_send_to_editor($html);
 731      }
 732  
 733      return $errors;
 734  }
 735  
 736  /**
 737   * Handles the process of uploading media.
 738   *
 739   * @since 2.5.0
 740   *
 741   * @return null|string
 742   */
 743  function wp_media_upload_handler() {
 744      $errors = array();
 745      $id = 0;
 746  
 747      if ( isset($_POST['html-upload']) && !empty($_FILES) ) {
 748          check_admin_referer('media-form');
 749          // Upload File button was clicked
 750          $id = media_handle_upload('async-upload', $_REQUEST['post_id']);
 751          unset($_FILES);
 752          if ( is_wp_error($id) ) {
 753              $errors['upload_error'] = $id;
 754              $id = false;
 755          }
 756      }
 757  
 758      if ( !empty($_POST['insertonlybutton']) ) {
 759          $src = $_POST['src'];
 760          if ( !empty($src) && !strpos($src, '://') )
 761              $src = "http://$src";
 762  
 763          if ( isset( $_POST['media_type'] ) && 'image' != $_POST['media_type'] ) {
 764              $title = esc_html( wp_unslash( $_POST['title'] ) );
 765              if ( empty( $title ) )
 766                  $title = esc_html( basename( $src ) );
 767  
 768              if ( $title && $src )
 769                  $html = "<a href='" . esc_url($src) . "'>$title</a>";
 770  
 771              $type = 'file';
 772              if ( ( $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $src ) ) && ( $ext_type = wp_ext2type( $ext ) )
 773                  && ( 'audio' == $ext_type || 'video' == $ext_type ) )
 774                      $type = $ext_type;
 775  
 776              /**
 777               * Filter the URL sent to the editor for a specific media type.
 778               *
 779               * The dynamic portion of the hook name, `$type`, refers to the type
 780               * of media being sent.
 781               *
 782               * @since 3.3.0
 783               *
 784               * @param string $html  HTML markup sent to the editor.
 785               * @param string $src   Media source URL.
 786               * @param string $title Media title.
 787               */
 788              $html = apply_filters( $type . '_send_to_editor_url', $html, esc_url_raw( $src ), $title );
 789          } else {
 790              $align = '';
 791              $alt = esc_attr( wp_unslash( $_POST['alt'] ) );
 792              if ( isset($_POST['align']) ) {
 793                  $align = esc_attr( wp_unslash( $_POST['align'] ) );
 794                  $class = " class='align$align'";
 795              }
 796              if ( !empty($src) )
 797                  $html = "<img src='" . esc_url($src) . "' alt='$alt'$class />";
 798  
 799              /**
 800               * Filter the image URL sent to the editor.
 801               *
 802               * @since 2.8.0
 803               *
 804               * @param string $html  HTML markup sent to the editor for an image.
 805               * @param string $src   Image source URL.
 806               * @param string $alt   Image alternate, or alt, text.
 807               * @param string $align The image alignment. Default 'alignnone'. Possible values include
 808               *                      'alignleft', 'aligncenter', 'alignright', 'alignnone'.
 809               */
 810              $html = apply_filters( 'image_send_to_editor_url', $html, esc_url_raw( $src ), $alt, $align );
 811          }
 812  
 813          return media_send_to_editor($html);
 814      }
 815  
 816      if ( isset( $_POST['save'] ) ) {
 817          $errors['upload_notice'] = __('Saved.');
 818          wp_enqueue_script( 'admin-gallery' );
 819           return wp_iframe( 'media_upload_gallery_form', $errors );
 820  
 821      } elseif ( ! empty( $_POST ) ) {
 822          $return = media_upload_form_handler();
 823  
 824          if ( is_string($return) )
 825              return $return;
 826          if ( is_array($return) )
 827              $errors = $return;
 828      }
 829  
 830      if ( isset($_GET['tab']) && $_GET['tab'] == 'type_url' ) {
 831          $type = 'image';
 832          if ( isset( $_GET['type'] ) && in_array( $_GET['type'], array( 'video', 'audio', 'file' ) ) )
 833              $type = $_GET['type'];
 834          return wp_iframe( 'media_upload_type_url_form', $type, $errors, $id );
 835      }
 836  
 837      return wp_iframe( 'media_upload_type_form', 'image', $errors, $id );
 838  }
 839  
 840  /**
 841   * Downloads an image from the specified URL and attaches it to a post.
 842   *
 843   * @since 2.6.0
 844   * @since 4.2.0 Introduced the `$return` parameter.
 845   *
 846   * @param string $file    The URL of the image to download.
 847   * @param int    $post_id The post ID the media is to be associated with.
 848   * @param string $desc    Optional. Description of the image.
 849   * @param string $return  Optional. Accepts 'html' (image tag html) or 'src' (URL). Default 'html'.
 850   * @return string|WP_Error Populated HTML img tag on success, WP_Error object otherwise.
 851   */
 852  function media_sideload_image( $file, $post_id, $desc = null, $return = 'html' ) {
 853      if ( ! empty( $file ) ) {
 854  
 855          // Set variables for storage, fix file filename for query strings.
 856          preg_match( '/[^\?]+\.(jpe?g|jpe|gif|png)\b/i', $file, $matches );
 857          if ( ! $matches ) {
 858              return new WP_Error( 'image_sideload_failed', __( 'Invalid image URL' ) );
 859          }
 860  
 861          $file_array = array();
 862          $file_array['name'] = basename( $matches[0] );
 863  
 864          // Download file to temp location.
 865          $file_array['tmp_name'] = download_url( $file );
 866  
 867          // If error storing temporarily, return the error.
 868          if ( is_wp_error( $file_array['tmp_name'] ) ) {
 869              return $file_array['tmp_name'];
 870          }
 871  
 872          // Do the validation and storage stuff.
 873          $id = media_handle_sideload( $file_array, $post_id, $desc );
 874  
 875          // If error storing permanently, unlink.
 876          if ( is_wp_error( $id ) ) {
 877              @unlink( $file_array['tmp_name'] );
 878              return $id;
 879          }
 880  
 881          $src = wp_get_attachment_url( $id );
 882      }
 883  
 884      // Finally, check to make sure the file has been saved, then return the HTML.
 885      if ( ! empty( $src ) ) {
 886          if ( $return === 'src' ) {
 887              return $src;
 888          }
 889  
 890          $alt = isset( $desc ) ? esc_attr( $desc ) : '';
 891          $html = "<img src='$src' alt='$alt' />";
 892          return $html;
 893      } else {
 894          return new WP_Error( 'image_sideload_failed' );
 895      }
 896  }
 897  
 898  /**
 899   * Retrieves the legacy media uploader form in an iframe.
 900   *
 901   * @since 2.5.0
 902   *
 903   * @return string|null
 904   */
 905  function media_upload_gallery() {
 906      $errors = array();
 907  
 908      if ( !empty($_POST) ) {
 909          $return = media_upload_form_handler();
 910  
 911          if ( is_string($return) )
 912              return $return;
 913          if ( is_array($return) )
 914              $errors = $return;
 915      }
 916  
 917      wp_enqueue_script('admin-gallery');
 918      return wp_iframe( 'media_upload_gallery_form', $errors );
 919  }
 920  
 921  /**
 922   * Retrieves the legacy media library form in an iframe.
 923   *
 924   * @since 2.5.0
 925   *
 926   * @return string|null
 927   */
 928  function media_upload_library() {
 929      $errors = array();
 930      if ( !empty($_POST) ) {
 931          $return = media_upload_form_handler();
 932  
 933          if ( is_string($return) )
 934              return $return;
 935          if ( is_array($return) )
 936              $errors = $return;
 937      }
 938  
 939      return wp_iframe( 'media_upload_library_form', $errors );
 940  }
 941  
 942  /**
 943   * Retrieve HTML for the image alignment radio buttons with the specified one checked.
 944   *
 945   * @since 2.7.0
 946   *
 947   * @param WP_Post $post
 948   * @param string $checked
 949   * @return string
 950   */
 951  function image_align_input_fields( $post, $checked = '' ) {
 952  
 953      if ( empty($checked) )
 954          $checked = get_user_setting('align', 'none');
 955  
 956      $alignments = array('none' => __('None'), 'left' => __('Left'), 'center' => __('Center'), 'right' => __('Right'));
 957      if ( !array_key_exists( (string) $checked, $alignments ) )
 958          $checked = 'none';
 959  
 960      $out = array();
 961      foreach ( $alignments as $name => $label ) {
 962          $name = esc_attr($name);
 963          $out[] = "<input type='radio' name='attachments[{$post->ID}][align]' id='image-align-{$name}-{$post->ID}' value='$name'".
 964              ( $checked == $name ? " checked='checked'" : "" ) .
 965              " /><label for='image-align-{$name}-{$post->ID}' class='align image-align-{$name}-label'>$label</label>";
 966      }
 967      return join("\n", $out);
 968  }
 969  
 970  /**
 971   * Retrieve HTML for the size radio buttons with the specified one checked.
 972   *
 973   * @since 2.7.0
 974   *
 975   * @param WP_Post $post
 976   * @param bool|string $check
 977   * @return array
 978   */
 979  function image_size_input_fields( $post, $check = '' ) {
 980      /**
 981       * Filter the names and labels of the default image sizes.
 982       *
 983       * @since 3.3.0
 984       *
 985       * @param array $size_names Array of image sizes and their names. Default values
 986       *                          include 'Thumbnail', 'Medium', 'Large', 'Full Size'.
 987       */
 988      $size_names = apply_filters( 'image_size_names_choose', array(
 989          'thumbnail' => __( 'Thumbnail' ),
 990          'medium'    => __( 'Medium' ),
 991          'large'     => __( 'Large' ),
 992          'full'      => __( 'Full Size' )
 993      ) );
 994  
 995      if ( empty( $check ) ) {
 996          $check = get_user_setting('imgsize', 'medium');
 997      }
 998      $out = array();
 999  
1000      foreach ( $size_names as $size => $label ) {
1001          $downsize = image_downsize( $post->ID, $size );
1002          $checked = '';
1003  
1004          // Is this size selectable?
1005          $enabled = ( $downsize[3] || 'full' == $size );
1006          $css_id = "image-size-{$size}-{$post->ID}";
1007  
1008          // If this size is the default but that's not available, don't select it.
1009          if ( $size == $check ) {
1010              if ( $enabled ) {
1011                  $checked = " checked='checked'";
1012              } else {
1013                  $check = '';
1014              }
1015          } elseif ( ! $check && $enabled && 'thumbnail' != $size ) {
1016              /*
1017               * If $check is not enabled, default to the first available size
1018               * that's bigger than a thumbnail.
1019               */
1020              $check = $size;
1021              $checked = " checked='checked'";
1022          }
1023  
1024          $html = "<div class='image-size-item'><input type='radio' " . disabled( $enabled, false, false ) . "name='attachments[$post->ID][image-size]' id='{$css_id}' value='{$size}'$checked />";
1025  
1026          $html .= "<label for='{$css_id}'>$label</label>";
1027  
1028          // Only show the dimensions if that choice is available.
1029          if ( $enabled ) {
1030              $html .= " <label for='{$css_id}' class='help'>" . sprintf( "(%d&nbsp;&times;&nbsp;%d)", $downsize[1], $downsize[2] ). "</label>";
1031          }
1032          $html .= '</div>';
1033  
1034          $out[] = $html;
1035      }
1036  
1037      return array(
1038          'label' => __( 'Size' ),
1039          'input' => 'html',
1040          'html'  => join( "\n", $out ),
1041      );
1042  }
1043  
1044  /**
1045   * Retrieve HTML for the Link URL buttons with the default link type as specified.
1046   *
1047   * @since 2.7.0
1048   *
1049   * @param WP_Post $post
1050   * @param string $url_type
1051   * @return string
1052   */
1053  function image_link_input_fields($post, $url_type = '') {
1054  
1055      $file = wp_get_attachment_url($post->ID);
1056      $link = get_attachment_link($post->ID);
1057  
1058      if ( empty($url_type) )
1059          $url_type = get_user_setting('urlbutton', 'post');
1060  
1061      $url = '';
1062      if ( $url_type == 'file' )
1063          $url = $file;
1064      elseif ( $url_type == 'post' )
1065          $url = $link;
1066  
1067      return "
1068      <input type='text' class='text urlfield' name='attachments[$post->ID][url]' value='" . esc_attr($url) . "' /><br />
1069      <button type='button' class='button urlnone' data-link-url=''>" . __('None') . "</button>
1070      <button type='button' class='button urlfile' data-link-url='" . esc_attr($file) . "'>" . __('File URL') . "</button>
1071      <button type='button' class='button urlpost' data-link-url='" . esc_attr($link) . "'>" . __('Attachment Post URL') . "</button>
1072  ";
1073  }
1074  
1075  /**
1076   * Output a textarea element for inputting an attachment caption.
1077   *
1078   * @since 3.4.0
1079   *
1080   * @param WP_Post $edit_post Attachment WP_Post object.
1081   * @return string HTML markup for the textarea element.
1082   */
1083  function wp_caption_input_textarea($edit_post) {
1084      // Post data is already escaped.
1085      $name = "attachments[{$edit_post->ID}][post_excerpt]";
1086  
1087      return '<textarea name="' . $name . '" id="' . $name . '">' . $edit_post->post_excerpt . '</textarea>';
1088  }
1089  
1090  /**
1091   * Retrieves the image attachment fields to edit form fields.
1092   *
1093   * @since 2.5.0
1094   *
1095   * @param array $form_fields
1096   * @param object $post
1097   * @return array
1098   */
1099  function image_attachment_fields_to_edit($form_fields, $post) {
1100      return $form_fields;
1101  }
1102  
1103  /**
1104   * Retrieves the single non-image attachment fields to edit form fields.
1105   *
1106   * @since 2.5.0
1107   *
1108   * @param array   $form_fields An array of attachment form fields.
1109   * @param WP_Post $post        The WP_Post attachment object.
1110   * @return array Filtered attachment form fields.
1111   */
1112  function media_single_attachment_fields_to_edit( $form_fields, $post ) {
1113      unset($form_fields['url'], $form_fields['align'], $form_fields['image-size']);
1114      return $form_fields;
1115  }
1116  
1117  /**
1118   * Retrieves the post non-image attachment fields to edito form fields.
1119   *
1120   * @since 2.8.0
1121   *
1122   * @param array   $form_fields An array of attachment form fields.
1123   * @param WP_Post $post        The WP_Post attachment object.
1124   * @return array Filtered attachment form fields.
1125   */
1126  function media_post_single_attachment_fields_to_edit( $form_fields, $post ) {
1127      unset($form_fields['image_url']);
1128      return $form_fields;
1129  }
1130  
1131  /**
1132   * Filters input from media_upload_form_handler() and assigns a default
1133   * post_title from the file name if none supplied.
1134   *
1135   * Illustrates the use of the attachment_fields_to_save filter
1136   * which can be used to add default values to any field before saving to DB.
1137   *
1138   * @since 2.5.0
1139   *
1140   * @param array $post       The WP_Post attachment object converted to an array.
1141   * @param array $attachment An array of attachment metadata.
1142   * @return array Filtered attachment post object.
1143   */
1144  function image_attachment_fields_to_save( $post, $attachment ) {
1145      if ( substr( $post['post_mime_type'], 0, 5 ) == 'image' ) {
1146          if ( strlen( trim( $post['post_title'] ) ) == 0 ) {
1147              $attachment_url = ( isset( $post['attachment_url'] ) ) ? $post['attachment_url'] : $post['guid'];
1148              $post['post_title'] = preg_replace( '/\.\w+$/', '', wp_basename( $attachment_url ) );
1149              $post['errors']['post_title']['errors'][] = __( 'Empty Title filled from filename.' );
1150          }
1151      }
1152  
1153      return $post;
1154  }
1155  
1156  /**
1157   * Retrieves the media element HTML to send to the editor.
1158   *
1159   * @since 2.5.0
1160   *
1161   * @param string $html
1162   * @param integer $attachment_id
1163   * @param array $attachment
1164   * @return string
1165   */
1166  function image_media_send_to_editor($html, $attachment_id, $attachment) {
1167      $post = get_post($attachment_id);
1168      if ( substr($post->post_mime_type, 0, 5) == 'image' ) {
1169          $url = $attachment['url'];
1170          $align = !empty($attachment['align']) ? $attachment['align'] : 'none';
1171          $size = !empty($attachment['image-size']) ? $attachment['image-size'] : 'medium';
1172          $alt = !empty($attachment['image_alt']) ? $attachment['image_alt'] : '';
1173          $rel = ( strpos( $url, 'attachment_id') || $url === get_attachment_link( $attachment_id ) );
1174  
1175          return get_image_send_to_editor($attachment_id, $attachment['post_excerpt'], $attachment['post_title'], $align, $url, $rel, $size, $alt);
1176      }
1177  
1178      return $html;
1179  }
1180  
1181  /**
1182   * Retrieves the attachment fields to edit form fields.
1183   *
1184   * @since 2.5.0
1185   *
1186   * @param WP_Post $post
1187   * @param array $errors
1188   * @return array
1189   */
1190  function get_attachment_fields_to_edit($post, $errors = null) {
1191      if ( is_int($post) )
1192          $post = get_post($post);
1193      if ( is_array($post) )
1194          $post = new WP_Post( (object) $post );
1195  
1196      $image_url = wp_get_attachment_url($post->ID);
1197  
1198      $edit_post = sanitize_post($post, 'edit');
1199  
1200      $form_fields = array(
1201          'post_title'   => array(
1202              'label'      => __('Title'),
1203              'value'      => $edit_post->post_title
1204          ),
1205          'image_alt'   => array(),
1206          'post_excerpt' => array(
1207              'label'      => __('Caption'),
1208              'input'      => 'html',
1209              'html'       => wp_caption_input_textarea($edit_post)
1210          ),
1211          'post_content' => array(
1212              'label'      => __('Description'),
1213              'value'      => $edit_post->post_content,
1214              'input'      => 'textarea'
1215          ),
1216          'url'          => array(
1217              'label'      => __('Link URL'),
1218              'input'      => 'html',
1219              'html'       => image_link_input_fields($post, get_option('image_default_link_type')),
1220              'helps'      => __('Enter a link URL or click above for presets.')
1221          ),
1222          'menu_order'   => array(
1223              'label'      => __('Order'),
1224              'value'      => $edit_post->menu_order
1225          ),
1226          'image_url'    => array(
1227              'label'      => __('File URL'),
1228              'input'      => 'html',
1229              'html'       => "<input type='text' class='text urlfield' readonly='readonly' name='attachments[$post->ID][url]' value='" . esc_attr($image_url) . "' /><br />",
1230              'value'      => wp_get_attachment_url($post->ID),
1231              'helps'      => __('Location of the uploaded file.')
1232          )
1233      );
1234  
1235      foreach ( get_attachment_taxonomies($post) as $taxonomy ) {
1236          $t = (array) get_taxonomy($taxonomy);
1237          if ( ! $t['public'] || ! $t['show_ui'] )
1238              continue;
1239          if ( empty($t['label']) )
1240              $t['label'] = $taxonomy;
1241          if ( empty($t['args']) )
1242              $t['args'] = array();
1243  
1244          $terms = get_object_term_cache($post->ID, $taxonomy);
1245          if ( false === $terms )
1246              $terms = wp_get_object_terms($post->ID, $taxonomy, $t['args']);
1247  
1248          $values = array();
1249  
1250          foreach ( $terms as $term )
1251              $values[] = $term->slug;
1252          $t['value'] = join(', ', $values);
1253  
1254          $form_fields[$taxonomy] = $t;
1255      }
1256  
1257      // Merge default fields with their errors, so any key passed with the error (e.g. 'error', 'helps', 'value') will replace the default
1258      // The recursive merge is easily traversed with array casting: foreach ( (array) $things as $thing )
1259      $form_fields = array_merge_recursive($form_fields, (array) $errors);
1260  
1261      // This was formerly in image_attachment_fields_to_edit().
1262      if ( substr($post->post_mime_type, 0, 5) == 'image' ) {
1263          $alt = get_post_meta($post->ID, '_wp_attachment_image_alt', true);
1264          if ( empty($alt) )
1265              $alt = '';
1266  
1267          $form_fields['post_title']['required'] = true;
1268  
1269          $form_fields['image_alt'] = array(
1270              'value' => $alt,
1271              'label' => __('Alternative Text'),
1272              'helps' => __('Alt text for the image, e.g. &#8220;The Mona Lisa&#8221;')
1273          );
1274  
1275          $form_fields['align'] = array(
1276              'label' => __('Alignment'),
1277              'input' => 'html',
1278              'html'  => image_align_input_fields($post, get_option('image_default_align')),
1279          );
1280  
1281          $form_fields['image-size'] = image_size_input_fields( $post, get_option('image_default_size', 'medium') );
1282  
1283      } else {
1284          unset( $form_fields['image_alt'] );
1285      }
1286  
1287      /**
1288       * Filter the attachment fields to edit.
1289       *
1290       * @since 2.5.0
1291       *
1292       * @param array   $form_fields An array of attachment form fields.
1293       * @param WP_Post $post        The WP_Post attachment object.
1294       */
1295      $form_fields = apply_filters( 'attachment_fields_to_edit', $form_fields, $post );
1296  
1297      return $form_fields;
1298  }
1299  
1300  /**
1301   * Retrieve HTML for media items of post gallery.
1302   *
1303   * The HTML markup retrieved will be created for the progress of SWF Upload
1304   * component. Will also create link for showing and hiding the form to modify
1305   * the image attachment.
1306   *
1307   * @since 2.5.0
1308   *
1309   * @global WP_Query $wp_the_query
1310   *
1311   * @param int $post_id Optional. Post ID.
1312   * @param array $errors Errors for attachment, if any.
1313   * @return string
1314   */
1315  function get_media_items( $post_id, $errors ) {
1316      $attachments = array();
1317      if ( $post_id ) {
1318          $post = get_post($post_id);
1319          if ( $post && $post->post_type == 'attachment' )
1320              $attachments = array($post->ID => $post);
1321          else
1322              $attachments = get_children( array( 'post_parent' => $post_id, 'post_type' => 'attachment', 'orderby' => 'menu_order ASC, ID', 'order' => 'DESC') );
1323      } else {
1324          if ( is_array($GLOBALS['wp_the_query']->posts) )
1325              foreach ( $GLOBALS['wp_the_query']->posts as $attachment )
1326                  $attachments[$attachment->ID] = $attachment;
1327      }
1328  
1329      $output = '';
1330      foreach ( (array) $attachments as $id => $attachment ) {
1331          if ( $attachment->post_status == 'trash' )
1332              continue;
1333          if ( $item = get_media_item( $id, array( 'errors' => isset($errors[$id]) ? $errors[$id] : null) ) )
1334              $output .= "\n<div id='media-item-$id' class='media-item child-of-$attachment->post_parent preloaded'><div class='progress hidden'><div class='bar'></div></div><div id='media-upload-error-$id' class='hidden'></div><div class='filename hidden'></div>$item\n</div>";
1335      }
1336  
1337      return $output;
1338  }
1339  
1340  /**
1341   * Retrieve HTML form for modifying the image attachment.
1342   *
1343   * @since 2.5.0
1344   *
1345   * @global string $redir_tab
1346   *
1347   * @param int $attachment_id Attachment ID for modification.
1348   * @param string|array $args Optional. Override defaults.
1349   * @return string HTML form for attachment.
1350   */
1351  function get_media_item( $attachment_id, $args = null ) {
1352      global $redir_tab;
1353  
1354      if ( ( $attachment_id = intval( $attachment_id ) ) && $thumb_url = wp_get_attachment_image_src( $attachment_id, 'thumbnail', true ) )
1355          $thumb_url = $thumb_url[0];
1356      else
1357          $thumb_url = false;
1358  
1359      $post = get_post( $attachment_id );
1360      $current_post_id = !empty( $_GET['post_id'] ) ? (int) $_GET['post_id'] : 0;
1361  
1362      $default_args = array(
1363          'errors' => null,
1364          'send' => $current_post_id ? post_type_supports( get_post_type( $current_post_id ), 'editor' ) : true,
1365          'delete' => true,
1366          'toggle' => true,
1367          'show_title' => true
1368      );
1369      $args = wp_parse_args( $args, $default_args );
1370  
1371      /**
1372       * Filter the arguments used to retrieve an image for the edit image form.
1373       *
1374       * @since 3.1.0
1375       *
1376       * @see get_media_item
1377       *
1378       * @param array $args An array of arguments.
1379       */
1380      $r = apply_filters( 'get_media_item_args', $args );
1381  
1382      $toggle_on  = __( 'Show' );
1383      $toggle_off = __( 'Hide' );
1384  
1385      $file = get_attached_file( $post->ID );
1386      $filename = esc_html( wp_basename( $file ) );
1387      $title = esc_attr( $post->post_title );
1388  
1389      $post_mime_types = get_post_mime_types();
1390      $keys = array_keys( wp_match_mime_types( array_keys( $post_mime_types ), $post->post_mime_type ) );
1391      $type = reset( $keys );
1392      $type_html = "<input type='hidden' id='type-of-$attachment_id' value='" . esc_attr( $type ) . "' />";
1393  
1394      $form_fields = get_attachment_fields_to_edit( $post, $r['errors'] );
1395  
1396      if ( $r['toggle'] ) {
1397          $class = empty( $r['errors'] ) ? 'startclosed' : 'startopen';
1398          $toggle_links = "
1399      <a class='toggle describe-toggle-on' href='#'>$toggle_on</a>
1400      <a class='toggle describe-toggle-off' href='#'>$toggle_off</a>";
1401      } else {
1402          $class = '';
1403          $toggle_links = '';
1404      }
1405  
1406      $display_title = ( !empty( $title ) ) ? $title : $filename; // $title shouldn't ever be empty, but just in case
1407      $display_title = $r['show_title'] ? "<div class='filename new'><span class='title'>" . wp_html_excerpt( $display_title, 60, '&hellip;' ) . "</span></div>" : '';
1408  
1409      $gallery = ( ( isset( $_REQUEST['tab'] ) && 'gallery' == $_REQUEST['tab'] ) || ( isset( $redir_tab ) && 'gallery' == $redir_tab ) );
1410      $order = '';
1411  
1412      foreach ( $form_fields as $key => $val ) {
1413          if ( 'menu_order' == $key ) {
1414              if ( $gallery )
1415                  $order = "<div class='menu_order'> <input class='menu_order_input' type='text' id='attachments[$attachment_id][menu_order]' name='attachments[$attachment_id][menu_order]' value='" . esc_attr( $val['value'] ). "' /></div>";
1416              else
1417                  $order = "<input type='hidden' name='attachments[$attachment_id][menu_order]' value='" . esc_attr( $val['value'] ) . "' />";
1418  
1419              unset( $form_fields['menu_order'] );
1420              break;
1421          }
1422      }
1423  
1424      $media_dims = '';
1425      $meta = wp_get_attachment_metadata( $post->ID );
1426      if ( isset( $meta['width'], $meta['height'] ) )
1427          $media_dims .= "<span id='media-dims-$post->ID'>{$meta['width']}&nbsp;&times;&nbsp;{$meta['height']}</span> ";
1428  
1429      /**
1430       * Filter the media metadata.
1431       *
1432       * @since 2.5.0
1433       *
1434       * @param string  $media_dims The HTML markup containing the media dimensions.
1435       * @param WP_Post $post       The WP_Post attachment object.
1436       */
1437      $media_dims = apply_filters( 'media_meta', $media_dims, $post );
1438  
1439      $image_edit_button = '';
1440      if ( wp_attachment_is_image( $post->ID ) && wp_image_editor_supports( array( 'mime_type' => $post->post_mime_type ) ) ) {
1441          $nonce = wp_create_nonce( "image_editor-$post->ID" );
1442          $image_edit_button = "<input type='button' id='imgedit-open-btn-$post->ID' onclick='imageEdit.open( $post->ID, \"$nonce\" )' class='button' value='" . esc_attr__( 'Edit Image' ) . "' /> <span class='spinner'></span>";
1443      }
1444  
1445      $attachment_url = get_permalink( $attachment_id );
1446  
1447      $item = "
1448      $type_html
1449      $toggle_links
1450      $order
1451      $display_title
1452      <table class='slidetoggle describe $class'>
1453          <thead class='media-item-info' id='media-head-$post->ID'>
1454          <tr>
1455              <td class='A1B1' id='thumbnail-head-$post->ID'>
1456              <p><a href='$attachment_url' target='_blank'><img class='thumbnail' src='$thumb_url' alt='' /></a></p>
1457              <p>$image_edit_button</p>
1458              </td>
1459              <td>
1460              <p><strong>" . __('File name:') . "</strong> $filename</p>
1461              <p><strong>" . __('File type:') . "</strong> $post->post_mime_type</p>
1462              <p><strong>" . __('Upload date:') . "</strong> " . mysql2date( __( 'F j, Y' ), $post->post_date ). '</p>';
1463              if ( !empty( $media_dims ) )
1464                  $item .= "<p><strong>" . __('Dimensions:') . "</strong> $media_dims</p>\n";
1465  
1466              $item .= "</td></tr>\n";
1467  
1468      $item .= "
1469          </thead>
1470          <tbody>
1471          <tr><td colspan='2' class='imgedit-response' id='imgedit-response-$post->ID'></td></tr>\n
1472          <tr><td style='display:none' colspan='2' class='image-editor' id='image-editor-$post->ID'></td></tr>\n
1473          <tr><td colspan='2'><p class='media-types media-types-required-info'>" . sprintf( __( 'Required fields are marked %s' ), '<span class="required">*</span>' ) . "</p></td></tr>\n";
1474  
1475      $defaults = array(
1476          'input'      => 'text',
1477          'required'   => false,
1478          'value'      => '',
1479          'extra_rows' => array(),
1480      );
1481  
1482      if ( $r['send'] ) {
1483          $r['send'] = get_submit_button( __( 'Insert into Post' ), 'button', "send[$attachment_id]", false );
1484      }
1485  
1486      $delete = empty( $r['delete'] ) ? '' : $r['delete'];
1487      if ( $delete && current_user_can( 'delete_post', $attachment_id ) ) {
1488          if ( !EMPTY_TRASH_DAYS ) {
1489              $delete = "<a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete-permanently'>" . __( 'Delete Permanently' ) . '</a>';
1490          } elseif ( !MEDIA_TRASH ) {
1491              $delete = "<a href='#' class='del-link' onclick=\"document.getElementById('del_attachment_$attachment_id').style.display='block';return false;\">" . __( 'Delete' ) . "</a>
1492               <div id='del_attachment_$attachment_id' class='del-attachment' style='display:none;'>" .
1493               /* translators: %s: file name */
1494              '<p>' . sprintf( __( 'You are about to delete %s.' ), '<strong>' . $filename . '</strong>' ) . "</p>
1495               <a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='button'>" . __( 'Continue' ) . "</a>
1496               <a href='#' class='button' onclick=\"this.parentNode.style.display='none';return false;\">" . __( 'Cancel' ) . "</a>
1497               </div>";
1498          } else {
1499              $delete = "<a href='" . wp_nonce_url( "post.php?action=trash&amp;post=$attachment_id", 'trash-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete'>" . __( 'Move to Trash' ) . "</a>
1500              <a href='" . wp_nonce_url( "post.php?action=untrash&amp;post=$attachment_id", 'untrash-post_' . $attachment_id ) . "' id='undo[$attachment_id]' class='undo hidden'>" . __( 'Undo' ) . "</a>";
1501          }
1502      } else {
1503          $delete = '';
1504      }
1505  
1506      $thumbnail = '';
1507      $calling_post_id = 0;
1508      if ( isset( $_GET['post_id'] ) ) {
1509          $calling_post_id = absint( $_GET['post_id'] );
1510      } elseif ( isset( $_POST ) && count( $_POST ) ) {// Like for async-upload where $_GET['post_id'] isn't set
1511          $calling_post_id = $post->post_parent;
1512      }
1513      if ( 'image' == $type && $calling_post_id && current_theme_supports( 'post-thumbnails', get_post_type( $calling_post_id ) )
1514          && post_type_supports( get_post_type( $calling_post_id ), 'thumbnail' ) && get_post_thumbnail_id( $calling_post_id ) != $attachment_id ) {
1515  
1516          $calling_post = get_post( $calling_post_id );
1517          $calling_post_type_object = get_post_type_object( $calling_post->post_type );
1518  
1519          $ajax_nonce = wp_create_nonce( "set_post_thumbnail-$calling_post_id" );
1520          $thumbnail = "<a class='wp-post-thumbnail' id='wp-post-thumbnail-" . $attachment_id . "' href='#' onclick='WPSetAsThumbnail(\"$attachment_id\", \"$ajax_nonce\");return false;'>" . esc_html( $calling_post_type_object->labels->use_featured_image ) . "</a>";
1521      }
1522  
1523      if ( ( $r['send'] || $thumbnail || $delete ) && !isset( $form_fields['buttons'] ) ) {
1524          $form_fields['buttons'] = array( 'tr' => "\t\t<tr class='submit'><td></td><td class='savesend'>" . $r['send'] . " $thumbnail $delete</td></tr>\n" );
1525      }
1526      $hidden_fields = array();
1527  
1528      foreach ( $form_fields as $id => $field ) {
1529          if ( $id[0] == '_' )
1530              continue;
1531  
1532          if ( !empty( $field['tr'] ) ) {
1533              $item .= $field['tr'];
1534              continue;
1535          }
1536  
1537          $field = array_merge( $defaults, $field );
1538          $name = "attachments[$attachment_id][$id]";
1539  
1540          if ( $field['input'] == 'hidden' ) {
1541              $hidden_fields[$name] = $field['value'];
1542              continue;
1543          }
1544  
1545          $required      = $field['required'] ? '<span class="required">*</span>' : '';
1546          $required_attr = $field['required'] ? ' required' : '';
1547          $aria_required = $field['required'] ? " aria-required='true'" : '';
1548          $class  = $id;
1549          $class .= $field['required'] ? ' form-required' : '';
1550  
1551          $item .= "\t\t<tr class='$class'>\n\t\t\t<th scope='row' class='label'><label for='$name'><span class='alignleft'>{$field['label']}{$required}</span><br class='clear' /></label></th>\n\t\t\t<td class='field'>";
1552          if ( !empty( $field[ $field['input'] ] ) )
1553              $item .= $field[ $field['input'] ];
1554          elseif ( $field['input'] == 'textarea' ) {
1555              if ( 'post_content' == $id && user_can_richedit() ) {
1556                  // Sanitize_post() skips the post_content when user_can_richedit.
1557                  $field['value'] = htmlspecialchars( $field['value'], ENT_QUOTES );
1558              }
1559              // Post_excerpt is already escaped by sanitize_post() in get_attachment_fields_to_edit().
1560              $item .= "<textarea id='$name' name='$name'{$required_attr}{$aria_required}>" . $field['value'] . '</textarea>';
1561          } else {
1562              $item .= "<input type='text' class='text' id='$name' name='$name' value='" . esc_attr( $field['value'] ) . "'{$required_attr}{$aria_required} />";
1563          }
1564          if ( !empty( $field['helps'] ) )
1565              $item .= "<p class='help'>" . join( "</p>\n<p class='help'>", array_unique( (array) $field['helps'] ) ) . '</p>';
1566          $item .= "</td>\n\t\t</tr>\n";
1567  
1568          $extra_rows = array();
1569  
1570          if ( !empty( $field['errors'] ) )
1571              foreach ( array_unique( (array) $field['errors'] ) as $error )
1572                  $extra_rows['error'][] = $error;
1573  
1574          if ( !empty( $field['extra_rows'] ) )
1575              foreach ( $field['extra_rows'] as $class => $rows )
1576                  foreach ( (array) $rows as $html )
1577                      $extra_rows[$class][] = $html;
1578  
1579          foreach ( $extra_rows as $class => $rows )
1580              foreach ( $rows as $html )
1581                  $item .= "\t\t<tr><td></td><td class='$class'>$html</td></tr>\n";
1582      }
1583  
1584      if ( !empty( $form_fields['_final'] ) )
1585          $item .= "\t\t<tr class='final'><td colspan='2'>{$form_fields['_final']}</td></tr>\n";
1586      $item .= "\t</tbody>\n";
1587      $item .= "\t</table>\n";
1588  
1589      foreach ( $hidden_fields as $name => $value )
1590          $item .= "\t<input type='hidden' name='$name' id='$name' value='" . esc_attr( $value ) . "' />\n";
1591  
1592      if ( $post->post_parent < 1 && isset( $_REQUEST['post_id'] ) ) {
1593          $parent = (int) $_REQUEST['post_id'];
1594          $parent_name = "attachments[$attachment_id][post_parent]";
1595          $item .= "\t<input type='hidden' name='$parent_name' id='$parent_name' value='$parent' />\n";
1596      }
1597  
1598      return $item;
1599  }
1600  
1601  /**
1602   * @since 3.5.0
1603   *
1604   * @param int   $attachment_id
1605   * @param array $args
1606   * @return array
1607   */
1608  function get_compat_media_markup( $attachment_id, $args = null ) {
1609      $post = get_post( $attachment_id );
1610  
1611      $default_args = array(
1612          'errors' => null,
1613          'in_modal' => false,
1614      );
1615  
1616      $user_can_edit = current_user_can( 'edit_post', $attachment_id );
1617  
1618      $args = wp_parse_args( $args, $default_args );
1619  
1620      /** This filter is documented in wp-admin/includes/media.php */
1621      $args = apply_filters( 'get_media_item_args', $args );
1622  
1623      $form_fields = array();
1624  
1625      if ( $args['in_modal'] ) {
1626          foreach ( get_attachment_taxonomies($post) as $taxonomy ) {
1627              $t = (array) get_taxonomy($taxonomy);
1628              if ( ! $t['public'] || ! $t['show_ui'] )
1629                  continue;
1630              if ( empty($t['label']) )
1631                  $t['label'] = $taxonomy;
1632              if ( empty($t['args']) )
1633                  $t['args'] = array();
1634  
1635              $terms = get_object_term_cache($post->ID, $taxonomy);
1636              if ( false === $terms )
1637                  $terms = wp_get_object_terms($post->ID, $taxonomy, $t['args']);
1638  
1639              $values = array();
1640  
1641              foreach ( $terms as $term )
1642                  $values[] = $term->slug;
1643              $t['value'] = join(', ', $values);
1644              $t['taxonomy'] = true;
1645  
1646              $form_fields[$taxonomy] = $t;
1647          }
1648      }
1649  
1650      // Merge default fields with their errors, so any key passed with the error (e.g. 'error', 'helps', 'value') will replace the default
1651      // The recursive merge is easily traversed with array casting: foreach ( (array) $things as $thing )
1652      $form_fields = array_merge_recursive($form_fields, (array) $args['errors'] );
1653  
1654      /** This filter is documented in wp-admin/includes/media.php */
1655      $form_fields = apply_filters( 'attachment_fields_to_edit', $form_fields, $post );
1656  
1657      unset( $form_fields['image-size'], $form_fields['align'], $form_fields['image_alt'],
1658          $form_fields['post_title'], $form_fields['post_excerpt'], $form_fields['post_content'],
1659          $form_fields['url'], $form_fields['menu_order'], $form_fields['image_url'] );
1660  
1661      /** This filter is documented in wp-admin/includes/media.php */
1662      $media_meta = apply_filters( 'media_meta', '', $post );
1663  
1664      $defaults = array(
1665          'input'         => 'text',
1666          'required'      => false,
1667          'value'         => '',
1668          'extra_rows'    => array(),
1669          'show_in_edit'  => true,
1670          'show_in_modal' => true,
1671      );
1672  
1673      $hidden_fields = array();
1674  
1675      $item = '';
1676      foreach ( $form_fields as $id => $field ) {
1677          if ( $id[0] == '_' )
1678              continue;
1679  
1680          $name = "attachments[$attachment_id][$id]";
1681          $id_attr = "attachments-$attachment_id-$id";
1682  
1683          if ( !empty( $field['tr'] ) ) {
1684              $item .= $field['tr'];
1685              continue;
1686          }
1687  
1688          $field = array_merge( $defaults, $field );
1689  
1690          if ( ( ! $field['show_in_edit'] && ! $args['in_modal'] ) || ( ! $field['show_in_modal'] && $args['in_modal'] ) )
1691              continue;
1692  
1693          if ( $field['input'] == 'hidden' ) {
1694              $hidden_fields[$name] = $field['value'];
1695              continue;
1696          }
1697  
1698          $readonly      = ! $user_can_edit && ! empty( $field['taxonomy'] ) ? " readonly='readonly' " : '';
1699          $required      = $field['required'] ? '<span class="required">*</span>' : '';
1700          $required_attr = $field['required'] ? ' required' : '';
1701          $aria_required = $field['required'] ? " aria-required='true'" : '';
1702          $class  = 'compat-field-' . $id;
1703          $class .= $field['required'] ? ' form-required' : '';
1704  
1705          $item .= "\t\t<tr class='$class'>";
1706          $item .= "\t\t\t<th scope='row' class='label'><label for='$id_attr'><span class='alignleft'>{$field['label']}</span>$required<br class='clear' /></label>";
1707          $item .= "</th>\n\t\t\t<td class='field'>";
1708  
1709          if ( !empty( $field[ $field['input'] ] ) )
1710              $item .= $field[ $field['input'] ];
1711          elseif ( $field['input'] == 'textarea' ) {
1712              if ( 'post_content' == $id && user_can_richedit() ) {
1713                  // sanitize_post() skips the post_content when user_can_richedit.
1714                  $field['value'] = htmlspecialchars( $field['value'], ENT_QUOTES );
1715              }
1716              $item .= "<textarea id='$id_attr' name='$name'{$required_attr}{$aria_required}>" . $field['value'] . '</textarea>';
1717          } else {
1718              $item .= "<input type='text' class='text' id='$id_attr' name='$name' value='" . esc_attr( $field['value'] ) . "' $readonly{$required_attr}{$aria_required} />";
1719          }
1720          if ( !empty( $field['helps'] ) )
1721              $item .= "<p class='help'>" . join( "</p>\n<p class='help'>", array_unique( (array) $field['helps'] ) ) . '</p>';
1722          $item .= "</td>\n\t\t</tr>\n";
1723  
1724          $extra_rows = array();
1725  
1726          if ( !empty( $field['errors'] ) )
1727              foreach ( array_unique( (array) $field['errors'] ) as $error )
1728                  $extra_rows['error'][] = $error;
1729  
1730          if ( !empty( $field['extra_rows'] ) )
1731              foreach ( $field['extra_rows'] as $class => $rows )
1732                  foreach ( (array) $rows as $html )
1733                      $extra_rows[$class][] = $html;
1734  
1735          foreach ( $extra_rows as $class => $rows )
1736              foreach ( $rows as $html )
1737                  $item .= "\t\t<tr><td></td><td class='$class'>$html</td></tr>\n";
1738      }
1739  
1740      if ( !empty( $form_fields['_final'] ) )
1741          $item .= "\t\t<tr class='final'><td colspan='2'>{$form_fields['_final']}</td></tr>\n";
1742  
1743      if ( $item ) {
1744          $item = '<p class="media-types media-types-required-info">' .
1745              sprintf( __( 'Required fields are marked %s' ), '<span class="required">*</span>' ) . '</p>
1746              <table class="compat-attachment-fields">' . $item . '</table>';
1747      }
1748  
1749      foreach ( $hidden_fields as $hidden_field => $value ) {
1750          $item .= '<input type="hidden" name="' . esc_attr( $hidden_field ) . '" value="' . esc_attr( $value ) . '" />' . "\n";
1751      }
1752  
1753      if ( $item )
1754          $item = '<input type="hidden" name="attachments[' . $attachment_id . '][menu_order]" value="' . esc_attr( $post->menu_order ) . '" />' . $item;
1755  
1756      return array(
1757          'item'   => $item,
1758          'meta'   => $media_meta,
1759      );
1760  }
1761  
1762  /**
1763   * Outputs the legacy media upload header.
1764   *
1765   * @since 2.5.0
1766   */
1767  function media_upload_header() {
1768      $post_id = isset( $_REQUEST['post_id'] ) ? intval( $_REQUEST['post_id'] ) : 0;
1769  
1770      echo '<script type="text/javascript">post_id = ' . $post_id . ';</script>';
1771      if ( empty( $_GET['chromeless'] ) ) {
1772          echo '<div id="media-upload-header">';
1773          the_media_upload_tabs();
1774          echo '</div>';
1775      }
1776  }
1777  
1778  /**
1779   * Outputs the legacy media upload form.
1780   *
1781   * @since 2.5.0
1782   *
1783   * @global string $type
1784   * @global string $tab
1785   * @global bool   $is_IE
1786   * @global bool   $is_opera
1787   *
1788   * @param array $errors
1789   */
1790  function media_upload_form( $errors = null ) {
1791      global $type, $tab, $is_IE, $is_opera;
1792  
1793      if ( ! _device_can_upload() ) {
1794          echo '<p>' . sprintf( __('The web browser on your device cannot be used to upload files. You may be able to use the <a href="%s">native app for your device</a> instead.'), 'https://apps.wordpress.org/' ) . '</p>';
1795          return;
1796      }
1797  
1798      $upload_action_url = admin_url('async-upload.php');
1799      $post_id = isset($_REQUEST['post_id']) ? intval($_REQUEST['post_id']) : 0;
1800      $_type = isset($type) ? $type : '';
1801      $_tab = isset($tab) ? $tab : '';
1802  
1803      $max_upload_size = wp_max_upload_size();
1804      if ( ! $max_upload_size ) {
1805          $max_upload_size = 0;
1806      }
1807  ?>
1808  
1809  <div id="media-upload-notice"><?php
1810  
1811      if (isset($errors['upload_notice']) )
1812          echo $errors['upload_notice'];
1813  
1814  ?></div>
1815  <div id="media-upload-error"><?php
1816  
1817      if (isset($errors['upload_error']) && is_wp_error($errors['upload_error']))
1818          echo $errors['upload_error']->get_error_message();
1819  
1820  ?></div>
1821  <?php
1822  if ( is_multisite() && !is_upload_space_available() ) {
1823      /**
1824       * Fires when an upload will exceed the defined upload space quota for a network site.
1825       *
1826       * @since 3.5.0
1827       */
1828      do_action( 'upload_ui_over_quota' );
1829      return;
1830  }
1831  
1832  /**
1833   * Fires just before the legacy (pre-3.5.0) upload interface is loaded.
1834   *
1835   * @since 2.6.0
1836   */
1837  do_action( 'pre-upload-ui' );
1838  
1839  $post_params = array(
1840      "post_id" => $post_id,
1841      "_wpnonce" => wp_create_nonce('media-form'),
1842      "type" => $_type,
1843      "tab" => $_tab,
1844      "short" => "1",
1845  );
1846  
1847  /**
1848   * Filter the media upload post parameters.
1849   *
1850   * @since 3.1.0 As 'swfupload_post_params'
1851   * @since 3.3.0
1852   *
1853   * @param array $post_params An array of media upload parameters used by Plupload.
1854   */
1855  $post_params = apply_filters( 'upload_post_params', $post_params );
1856  
1857  $plupload_init = array(
1858      'runtimes'            => 'html5,flash,silverlight,html4',
1859      'browse_button'       => 'plupload-browse-button',
1860      'container'           => 'plupload-upload-ui',
1861      'drop_element'        => 'drag-drop-area',
1862      'file_data_name'      => 'async-upload',
1863      'url'                 => $upload_action_url,
1864      'flash_swf_url'       => includes_url( 'js/plupload/plupload.flash.swf' ),
1865      'silverlight_xap_url' => includes_url( 'js/plupload/plupload.silverlight.xap' ),
1866      'filters' => array(
1867          'max_file_size'   => $max_upload_size . 'b',
1868      ),
1869      'multipart_params'    => $post_params,
1870  );
1871  
1872  // Currently only iOS Safari supports multiple files uploading but iOS 7.x has a bug that prevents uploading of videos
1873  // when enabled. See #29602.
1874  if ( wp_is_mobile() && strpos( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) !== false &&
1875      strpos( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) !== false ) {
1876  
1877      $plupload_init['multi_selection'] = false;
1878  }
1879  
1880  /**
1881   * Filter the default Plupload settings.
1882   *
1883   * @since 3.3.0
1884   *
1885   * @param array $plupload_init An array of default settings used by Plupload.
1886   */
1887  $plupload_init = apply_filters( 'plupload_init', $plupload_init );
1888  
1889  ?>
1890  
1891  <script type="text/javascript">
1892  <?php
1893  // Verify size is an int. If not return default value.
1894  $large_size_h = absint( get_option('large_size_h') );
1895  if( !$large_size_h )
1896      $large_size_h = 1024;
1897  $large_size_w = absint( get_option('large_size_w') );
1898  if( !$large_size_w )
1899      $large_size_w = 1024;
1900  ?>
1901  var resize_height = <?php echo $large_size_h; ?>, resize_width = <?php echo $large_size_w; ?>,
1902  wpUploaderInit = <?php echo wp_json_encode( $plupload_init ); ?>;
1903  </script>
1904  
1905  <div id="plupload-upload-ui" class="hide-if-no-js">
1906  <?php
1907  /**
1908   * Fires before the upload interface loads.
1909   *
1910   * @since 2.6.0 As 'pre-flash-upload-ui'
1911   * @since 3.3.0
1912   */
1913  do_action( 'pre-plupload-upload-ui' ); ?>
1914  <div id="drag-drop-area">
1915      <div class="drag-drop-inside">
1916      <p class="drag-drop-info"><?php _e('Drop files here'); ?></p>
1917      <p><?php _ex('or', 'Uploader: Drop files here - or - Select Files'); ?></p>
1918      <p class="drag-drop-buttons"><input id="plupload-browse-button" type="button" value="<?php esc_attr_e('Select Files'); ?>" class="button" /></p>
1919      </div>
1920  </div>
1921  <?php
1922  /**
1923   * Fires after the upload interface loads.
1924   *
1925   * @since 2.6.0 As 'post-flash-upload-ui'
1926   * @since 3.3.0
1927   */
1928  do_action( 'post-plupload-upload-ui' ); ?>
1929  </div>
1930  
1931  <div id="html-upload-ui" class="hide-if-js">
1932      <?php
1933      /**
1934       * Fires before the upload button in the media upload interface.
1935       *
1936       * @since 2.6.0
1937       */
1938      do_action( 'pre-html-upload-ui' );
1939      ?>
1940      <p id="async-upload-wrap">
1941          <label class="screen-reader-text" for="async-upload"><?php _e('Upload'); ?></label>
1942          <input type="file" name="async-upload" id="async-upload" />
1943          <?php submit_button( __( 'Upload' ), 'primary', 'html-upload', false ); ?>
1944          <a href="#" onclick="try{top.tb_remove();}catch(e){}; return false;"><?php _e('Cancel'); ?></a>
1945      </p>
1946      <div class="clear"></div>
1947  <?php
1948  /**
1949   * Fires after the upload button in the media upload interface.
1950   *
1951   * @since 2.6.0
1952   */
1953  do_action( 'post-html-upload-ui' );
1954  ?>
1955  </div>
1956  
1957  <p class="max-upload-size"><?php printf( __( 'Maximum upload file size: %s.' ), esc_html( size_format( $max_upload_size ) ) ); ?></p>
1958  <?php
1959  
1960      /**
1961       * Fires on the post upload UI screen.
1962       *
1963       * Legacy (pre-3.5.0) media workflow hook.
1964       *
1965       * @since 2.6.0
1966       */
1967      do_action( 'post-upload-ui' );
1968  }
1969  
1970  /**
1971   * Outputs the legacy media upload form for a given media type.
1972   *
1973   * @since 2.5.0
1974   *
1975   * @param string $type
1976   * @param object $errors
1977   * @param integer $id
1978   */
1979  function media_upload_type_form($type = 'file', $errors = null, $id = null) {
1980  
1981      media_upload_header();
1982  
1983      $post_id = isset( $_REQUEST['post_id'] )? intval( $_REQUEST['post_id'] ) : 0;
1984  
1985      $form_action_url = admin_url("media-upload.php?type=$type&tab=type&post_id=$post_id");
1986  
1987      /**
1988       * Filter the media upload form action URL.
1989       *
1990       * @since 2.6.0
1991       *
1992       * @param string $form_action_url The media upload form action URL.
1993       * @param string $type            The type of media. Default 'file'.
1994       */
1995      $form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
1996      $form_class = 'media-upload-form type-form validate';
1997  
1998      if ( get_user_setting('uploader') )
1999          $form_class .= ' html-uploader';
2000  ?>
2001  
2002  <form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form">
2003  <?php submit_button( '', 'hidden', 'save', false ); ?>
2004  <input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
2005  <?php wp_nonce_field('media-form'); ?>
2006  
2007  <h3 class="media-title"><?php _e('Add media files from your computer'); ?></h3>
2008  
2009  <?php media_upload_form( $errors ); ?>
2010  
2011  <script type="text/javascript">
2012  jQuery(function($){
2013      var preloaded = $(".media-item.preloaded");
2014      if ( preloaded.length > 0 ) {
2015          preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
2016      }
2017      updateMediaForm();
2018  });
2019  </script>
2020  <div id="media-items"><?php
2021  
2022  if ( $id ) {
2023      if ( !is_wp_error($id) ) {
2024          add_filter('attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2);
2025          echo get_media_items( $id, $errors );
2026      } else {
2027          echo '<div id="media-upload-error">'.esc_html($id->get_error_message()).'</div></div>';
2028          exit;
2029      }
2030  }
2031  ?></div>
2032  
2033  <p class="savebutton ml-submit">
2034  <?php submit_button( __( 'Save all changes' ), 'button', 'save', false ); ?>
2035  </p>
2036  </form>
2037  <?php
2038  }
2039  
2040  /**
2041   * Outputs the legacy media upload form for external media.
2042   *
2043   * @since 2.7.0
2044   *
2045   * @param string $type
2046   * @param object $errors
2047   * @param integer $id
2048   */
2049  function media_upload_type_url_form($type = null, $errors = null, $id = null) {
2050      if ( null === $type )
2051          $type = 'image';
2052  
2053      media_upload_header();
2054  
2055      $post_id = isset( $_REQUEST['post_id'] ) ? intval( $_REQUEST['post_id'] ) : 0;
2056  
2057      $form_action_url = admin_url("media-upload.php?type=$type&tab=type&post_id=$post_id");
2058      /** This filter is documented in wp-admin/includes/media.php */
2059      $form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
2060      $form_class = 'media-upload-form type-form validate';
2061  
2062      if ( get_user_setting('uploader') )
2063          $form_class .= ' html-uploader';
2064  ?>
2065  
2066  <form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form">
2067  <input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
2068  <?php wp_nonce_field('media-form'); ?>
2069  
2070  <h3 class="media-title"><?php _e('Insert media from another website'); ?></h3>
2071  
2072  <script type="text/javascript">
2073  var addExtImage = {
2074  
2075      width : '',
2076      height : '',
2077      align : 'alignnone',
2078  
2079      insert : function() {
2080          var t = this, html, f = document.forms[0], cls, title = '', alt = '', caption = '';
2081  
2082          if ( '' == f.src.value || '' == t.width )
2083              return false;
2084  
2085          if ( f.alt.value )
2086              alt = f.alt.value.replace(/'/g, '&#039;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
2087  
2088  <?php
2089      /** This filter is documented in wp-admin/includes/media.php */
2090      if ( ! apply_filters( 'disable_captions', '' ) ) {
2091          ?>
2092          if ( f.caption.value ) {
2093              caption = f.caption.value.replace(/\r\n|\r/g, '\n');
2094              caption = caption.replace(/<[a-zA-Z0-9]+( [^<>]+)?>/g, function(a){
2095                  return a.replace(/[\r\n\t]+/, ' ');
2096              });
2097  
2098              caption = caption.replace(/\s*\n\s*/g, '<br />');
2099          }
2100  <?php } ?>
2101  
2102          cls = caption ? '' : ' class="'+t.align+'"';
2103  
2104          html = '<img alt="'+alt+'" src="'+f.src.value+'"'+cls+' width="'+t.width+'" height="'+t.height+'" />';
2105  
2106          if ( f.url.value ) {
2107              url = f.url.value.replace(/'/g, '&#039;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
2108              html = '<a href="'+url+'">'+html+'</a>';
2109          }
2110  
2111          if ( caption )
2112              html = '[caption id="" align="'+t.align+'" width="'+t.width+'"]'+html+caption+'[/caption]';
2113  
2114          var win = window.dialogArguments || opener || parent || top;
2115          win.send_to_editor(html);
2116          return false;
2117      },
2118  
2119      resetImageData : function() {
2120          var t = addExtImage;
2121  
2122          t.width = t.height = '';
2123          document.getElementById('go_button').style.color = '#bbb';
2124          if ( ! document.forms[0].src.value )
2125              document.getElementById('status_img').innerHTML = '';
2126          else document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/no.png' ) ); ?>" alt="" />';
2127      },
2128  
2129      updateImageData : function() {
2130          var t = addExtImage;
2131  
2132          t.width = t.preloadImg.width;
2133          t.height = t.preloadImg.height;
2134          document.getElementById('go_button').style.color = '#333';
2135          document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/yes.png' ) ); ?>" alt="" />';
2136      },
2137  
2138      getImageData : function() {
2139          if ( jQuery('table.describe').hasClass('not-image') )
2140              return;
2141  
2142          var t = addExtImage, src = document.forms[0].src.value;
2143  
2144          if ( ! src ) {
2145              t.resetImageData();
2146              return false;
2147          }
2148  
2149          document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" alt="" width="16" height="16" />';
2150          t.preloadImg = new Image();
2151          t.preloadImg.onload = t.updateImageData;
2152          t.preloadImg.onerror = t.resetImageData;
2153          t.preloadImg.src = src;
2154      }
2155  };
2156  
2157  jQuery(document).ready( function($) {
2158      $('.media-types input').click( function() {
2159          $('table.describe').toggleClass('not-image', $('#not-image').prop('checked') );
2160      });
2161  });
2162  </script>
2163  
2164  <div id="media-items">
2165  <div class="media-item media-blank">
2166  <?php
2167  /**
2168   * Filter the insert media from URL form HTML.
2169   *
2170   * @since 3.3.0
2171   *
2172   * @param string $form_html The insert from URL form HTML.
2173   */
2174  echo apply_filters( 'type_url_form_media', wp_media_insert_url_form( $type ) );
2175  ?>
2176  </div>
2177  </div>
2178  </form>
2179  <?php
2180  }
2181  
2182  /**
2183   * Adds gallery form to upload iframe
2184   *
2185   * @since 2.5.0
2186   *
2187   * @global string $redir_tab
2188   * @global string $type
2189   * @global string $tab
2190   *
2191   * @param array $errors
2192   */
2193  function media_upload_gallery_form($errors) {
2194      global $redir_tab, $type;
2195  
2196      $redir_tab = 'gallery';
2197      media_upload_header();
2198  
2199      $post_id = intval($_REQUEST['post_id']);
2200      $form_action_url = admin_url("media-upload.php?type=$type&tab=gallery&post_id=$post_id");
2201      /** This filter is documented in wp-admin/includes/media.php */
2202      $form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
2203      $form_class = 'media-upload-form validate';
2204  
2205      if ( get_user_setting('uploader') )
2206          $form_class .= ' html-uploader';
2207  ?>
2208  
2209  <script type="text/javascript">
2210  jQuery(function($){
2211      var preloaded = $(".media-item.preloaded");
2212      if ( preloaded.length > 0 ) {
2213          preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
2214          updateMediaForm();
2215      }
2216  });
2217  </script>
2218  <div id="sort-buttons" class="hide-if-no-js">
2219  <span>
2220  <?php _e('All Tabs:'); ?>
2221  <a href="#" id="showall"><?php _e('Show'); ?></a>
2222  <a href="#" id="hideall" style="display:none;"><?php _e('Hide'); ?></a>
2223  </span>
2224  <?php _e('Sort Order:'); ?>
2225  <a href="#" id="asc"><?php _e('Ascending'); ?></a> |
2226  <a href="#" id="desc"><?php _e('Descending'); ?></a> |
2227  <a href="#" id="clear"><?php _ex('Clear', 'verb'); ?></a>
2228  </div>
2229  <form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="gallery-form">
2230  <?php wp_nonce_field('media-form'); ?>
2231  <?php //media_upload_form( $errors ); ?>
2232  <table class="widefat">
2233  <thead><tr>
2234  <th><?php _e('Media'); ?></th>
2235  <th class="order-head"><?php _e('Order'); ?></th>
2236  <th class="actions-head"><?php _e('Actions'); ?></th>
2237  </tr></thead>
2238  </table>
2239  <div id="media-items">
2240  <?php add_filter('attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2); ?>
2241  <?php echo get_media_items($post_id, $errors); ?>
2242  </div>
2243  
2244  <p class="ml-submit">
2245  <?php submit_button( __( 'Save all changes' ), 'button savebutton', 'save', false, array( 'id' => 'save-all', 'style' => 'display: none;' ) ); ?>
2246  <input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
2247  <input type="hidden" name="type" value="<?php echo esc_attr( $GLOBALS['type'] ); ?>" />
2248  <input type="hidden" name="tab" value="<?php echo esc_attr( $GLOBALS['tab'] ); ?>" />
2249  </p>
2250  
2251  <div id="gallery-settings" style="display:none;">
2252  <div class="title"><?php _e('Gallery Settings'); ?></div>
2253  <table id="basic" class="describe"><tbody>
2254      <tr>
2255      <th scope="row" class="label">
2256          <label>
2257          <span class="alignleft"><?php _e('Link thumbnails to:'); ?></span>
2258          </label>
2259      </th>
2260      <td class="field">
2261          <input type="radio" name="linkto" id="linkto-file" value="file" />
2262          <label for="linkto-file" class="radio"><?php _e('Image File'); ?></label>
2263  
2264          <input type="radio" checked="checked" name="linkto" id="linkto-post" value="post" />
2265          <label for="linkto-post" class="radio"><?php _e('Attachment Page'); ?></label>
2266      </td>
2267      </tr>
2268  
2269      <tr>
2270      <th scope="row" class="label">
2271          <label>
2272          <span class="alignleft"><?php _e('Order images by:'); ?></span>
2273          </label>
2274      </th>
2275      <td class="field">
2276          <select id="orderby" name="orderby">
2277              <option value="menu_order" selected="selected"><?php _e('Menu order'); ?></option>
2278              <option value="title"><?php _e('Title'); ?></option>
2279              <option value="post_date"><?php _e('Date/Time'); ?></option>
2280              <option value="rand"><?php _e('Random'); ?></option>
2281          </select>
2282      </td>
2283      </tr>
2284  
2285      <tr>
2286      <th scope="row" class="label">
2287          <label>
2288          <span class="alignleft"><?php _e('Order:'); ?></span>
2289          </label>
2290      </th>
2291      <td class="field">
2292          <input type="radio" checked="checked" name="order" id="order-asc" value="asc" />
2293          <label for="order-asc" class="radio"><?php _e('Ascending'); ?></label>
2294  
2295          <input type="radio" name="order" id="order-desc" value="desc" />
2296          <label for="order-desc" class="radio"><?php _e('Descending'); ?></label>
2297      </td>
2298      </tr>
2299  
2300      <tr>
2301      <th scope="row" class="label">
2302          <label>
2303          <span class="alignleft"><?php _e('Gallery columns:'); ?></span>
2304          </label>
2305      </th>
2306      <td class="field">
2307          <select id="columns" name="columns">
2308              <option value="1">1</option>
2309              <option value="2">2</option>
2310              <option value="3" selected="selected">3</option>
2311              <option value="4">4</option>
2312              <option value="5">5</option>
2313              <option value="6">6</option>
2314              <option value="7">7</option>
2315              <option value="8">8</option>
2316              <option value="9">9</option>
2317          </select>
2318      </td>
2319      </tr>
2320  </tbody></table>
2321  
2322  <p class="ml-submit">
2323  <input type="button" class="button" style="display:none;" onMouseDown="wpgallery.update();" name="insert-gallery" id="insert-gallery" value="<?php esc_attr_e( 'Insert gallery' ); ?>" />
2324  <input type="button" class="button" style="display:none;" onMouseDown="wpgallery.update();" name="update-gallery" id="update-gallery" value="<?php esc_attr_e( 'Update gallery settings' ); ?>" />
2325  </p>
2326  </div>
2327  </form>
2328  <?php
2329  }
2330  
2331  /**
2332   * Outputs the legacy media upload form for the media library.
2333   *
2334   * @since 2.5.0
2335   *
2336   * @global wpdb      $wpdb
2337   * @global WP_Query  $wp_query
2338   * @global WP_Locale $wp_locale
2339   * @global string    $type
2340   * @global string    $tab
2341   * @global array     $post_mime_types
2342   *
2343   * @param array $errors
2344   */
2345  function media_upload_library_form($errors) {
2346      global $wpdb, $wp_query, $wp_locale, $type, $tab, $post_mime_types;
2347  
2348      media_upload_header();
2349  
2350      $post_id = isset( $_REQUEST['post_id'] ) ? intval( $_REQUEST['post_id'] ) : 0;
2351  
2352      $form_action_url = admin_url("media-upload.php?type=$type&tab=library&post_id=$post_id");
2353      /** This filter is documented in wp-admin/includes/media.php */
2354      $form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
2355      $form_class = 'media-upload-form validate';
2356  
2357      if ( get_user_setting('uploader') )
2358          $form_class .= ' html-uploader';
2359  
2360      $q = $_GET;
2361      $q['posts_per_page'] = 10;
2362      $q['paged'] = isset( $q['paged'] ) ? intval( $q['paged'] ) : 0;
2363      if ( $q['paged'] < 1 ) {
2364          $q['paged'] = 1;
2365      }
2366      $q['offset'] = ( $q['paged'] - 1 ) * 10;
2367      if ( $q['offset'] < 1 ) {
2368          $q['offset'] = 0;
2369      }
2370  
2371      list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query( $q );
2372  
2373  ?>
2374  
2375  <form id="filter" method="get">
2376  <input type="hidden" name="type" value="<?php echo esc_attr( $type ); ?>" />
2377  <input type="hidden" name="tab" value="<?php echo esc_attr( $tab ); ?>" />
2378  <input type="hidden" name="post_id" value="<?php echo (int) $post_id; ?>" />
2379  <input type="hidden" name="post_mime_type" value="<?php echo isset( $_GET['post_mime_type'] ) ? esc_attr( $_GET['post_mime_type'] ) : ''; ?>" />
2380  <input type="hidden" name="context" value="<?php echo isset( $_GET['context'] ) ? esc_attr( $_GET['context'] ) : ''; ?>" />
2381  
2382  <p id="media-search" class="search-box">
2383      <label class="screen-reader-text" for="media-search-input"><?php _e('Search Media');?>:</label>
2384      <input type="search" id="media-search-input" name="s" value="<?php the_search_query(); ?>" />
2385      <?php submit_button( __( 'Search Media' ), 'button', '', false ); ?>
2386  </p>
2387  
2388  <ul class="subsubsub">
2389  <?php
2390  $type_links = array();
2391  $_num_posts = (array) wp_count_attachments();
2392  $matches = wp_match_mime_types(array_keys($post_mime_types), array_keys($_num_posts));
2393  foreach ( $matches as $_type => $reals )
2394      foreach ( $reals as $real )
2395          if ( isset($num_posts[$_type]) )
2396              $num_posts[$_type] += $_num_posts[$real];
2397          else
2398              $num_posts[$_type] = $_num_posts[$real];
2399  // If available type specified by media button clicked, filter by that type
2400  if ( empty($_GET['post_mime_type']) && !empty($num_posts[$type]) ) {
2401      $_GET['post_mime_type'] = $type;
2402      list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query();
2403  }
2404  if ( empty($_GET['post_mime_type']) || $_GET['post_mime_type'] == 'all' )
2405      $class = ' class="current"';
2406  else
2407      $class = '';
2408  $type_links[] = '<li><a href="' . esc_url(add_query_arg(array('post_mime_type'=>'all', 'paged'=>false, 'm'=>false))) . '"' . $class . '>' . __('All Types') . '</a>';
2409  foreach ( $post_mime_types as $mime_type => $label ) {
2410      $class = '';
2411  
2412      if ( !wp_match_mime_types($mime_type, $avail_post_mime_types) )
2413          continue;
2414  
2415      if ( isset($_GET['post_mime_type']) && wp_match_mime_types($mime_type, $_GET['post_mime_type']) )
2416          $class = ' class="current"';
2417  
2418      $type_links[] = '<li><a href="' . esc_url(add_query_arg(array('post_mime_type'=>$mime_type, 'paged'=>false))) . '"' . $class . '>' . sprintf( translate_nooped_plural( $label[2], $num_posts[$mime_type] ), '<span id="' . $mime_type . '-counter">' . number_format_i18n( $num_posts[$mime_type] ) . '</span>') . '</a>';
2419  }
2420  /**
2421   * Filter the media upload mime type list items.
2422   *
2423   * Returned values should begin with an `<li>` tag.
2424   *
2425   * @since 3.1.0
2426   *
2427   * @param array $type_links An array of list items containing mime type link HTML.
2428   */
2429  echo implode(' | </li>', apply_filters( 'media_upload_mime_type_links', $type_links ) ) . '</li>';
2430  unset($type_links);
2431  ?>
2432  </ul>
2433  
2434  <div class="tablenav">
2435  
2436  <?php
2437  $page_links = paginate_links( array(
2438      'base' => add_query_arg( 'paged', '%#%' ),
2439      'format' => '',
2440      'prev_text' => __('&laquo;'),
2441      'next_text' => __('&raquo;'),
2442      'total' => ceil($wp_query->found_posts / 10),
2443      'current' => $q['paged'],
2444  ));
2445  
2446  if ( $page_links )
2447      echo "<div class='tablenav-pages'>$page_links</div>";
2448  ?>
2449  
2450  <div class="alignleft actions">
2451  <?php
2452  
2453  $arc_query = "SELECT DISTINCT YEAR(post_date) AS yyear, MONTH(post_date) AS mmonth FROM $wpdb->posts WHERE post_type = 'attachment' ORDER BY post_date DESC";
2454  
2455  $arc_result = $wpdb->get_results( $arc_query );
2456  
2457  $month_count = count($arc_result);
2458  $selected_month = isset( $_GET['m'] ) ? $_GET['m'] : 0;
2459  
2460  if ( $month_count && !( 1 == $month_count && 0 == $arc_result[0]->mmonth ) ) { ?>
2461  <select name='m'>
2462  <option<?php selected( $selected_month, 0 ); ?> value='0'><?php _e( 'All dates' ); ?></option>
2463  <?php
2464  foreach ($arc_result as $arc_row) {
2465      if ( $arc_row->yyear == 0 )
2466          continue;
2467      $arc_row->mmonth = zeroise( $arc_row->mmonth, 2 );
2468  
2469      if ( $arc_row->yyear . $arc_row->mmonth == $selected_month )
2470          $default = ' selected="selected"';
2471      else
2472          $default = '';
2473  
2474      echo "<option$default value='" . esc_attr( $arc_row->yyear . $arc_row->mmonth ) . "'>";
2475      echo esc_html( $wp_locale->get_month($arc_row->mmonth) . " $arc_row->yyear" );
2476      echo "</option>\n";
2477  }
2478  ?>
2479  </select>
2480  <?php } ?>
2481  
2482  <?php submit_button( __( 'Filter &#187;' ), 'button', 'post-query-submit', false ); ?>
2483  
2484  </div>
2485  
2486  <br class="clear" />
2487  </div>
2488  </form>
2489  
2490  <form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="library-form">
2491  
2492  <?php wp_nonce_field('media-form'); ?>
2493  <?php //media_upload_form( $errors ); ?>
2494  
2495  <script type="text/javascript">
2496  <!--
2497  jQuery(function($){
2498      var preloaded = $(".media-item.preloaded");
2499      if ( preloaded.length > 0 ) {
2500          preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
2501          updateMediaForm();
2502      }
2503  });
2504  -->
2505  </script>
2506  
2507  <div id="media-items">
2508  <?php add_filter('attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2); ?>
2509  <?php echo get_media_items(null, $errors); ?>
2510  </div>
2511  <p class="ml-submit">
2512  <?php submit_button( __( 'Save all changes' ), 'button savebutton', 'save', false ); ?>
2513  <input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
2514  </p>
2515  </form>
2516  <?php
2517  }
2518  
2519  /**
2520   * Creates the form for external url
2521   *
2522   * @since 2.7.0
2523   *
2524   * @param string $default_view
2525   * @return string the form html
2526   */
2527  function wp_media_insert_url_form( $default_view = 'image' ) {
2528      /** This filter is documented in wp-admin/includes/media.php */
2529      if ( ! apply_filters( 'disable_captions', '' ) ) {
2530          $caption = '
2531          <tr class="image-only">
2532              <th scope="row" class="label">
2533                  <label for="caption"><span class="alignleft">' . __('Image Caption') . '</span></label>
2534              </th>
2535              <td class="field"><textarea id="caption" name="caption"></textarea></td>
2536          </tr>
2537  ';
2538      } else {
2539          $caption = '';
2540      }
2541  
2542      $default_align = get_option('image_default_align');
2543      if ( empty($default_align) )
2544          $default_align = 'none';
2545  
2546      if ( 'image' == $default_view ) {
2547          $view = 'image-only';
2548          $table_class = '';
2549      } else {
2550          $view = $table_class = 'not-image';
2551      }
2552  
2553      return '
2554      <p class="media-types"><label><input type="radio" name="media_type" value="image" id="image-only"' . checked( 'image-only', $view, false ) . ' /> ' . __( 'Image' ) . '</label> &nbsp; &nbsp; <label><input type="radio" name="media_type" value="generic" id="not-image"' . checked( 'not-image', $view, false ) . ' /> ' . __( 'Audio, Video, or Other File' ) . '</label></p>
2555      <p class="media-types media-types-required-info">' . sprintf( __( 'Required fields are marked %s' ), '<span class="required">*</span>' ) . '</p>
2556      <table class="describe ' . $table_class . '"><tbody>
2557          <tr>
2558              <th scope="row" class="label" style="width:130px;">
2559                  <label for="src"><span class="alignleft">' . __( 'URL' ) . '</span> <span class="required">*</span></label>
2560                  <span class="alignright" id="status_img"></span>
2561              </th>
2562              <td class="field"><input id="src" name="src" value="" type="text" required aria-required="true" onblur="addExtImage.getImageData()" /></td>
2563          </tr>
2564  
2565          <tr>
2566              <th scope="row" class="label">
2567                  <label for="title"><span class="alignleft">' . __( 'Title' ) . '</span> <span class="required">*</span></label>
2568              </th>
2569              <td class="field"><input id="title" name="title" value="" type="text" required aria-required="true" /></td>
2570          </tr>
2571  
2572          <tr class="not-image"><td></td><td><p class="help">' . __('Link text, e.g. &#8220;Ransom Demands (PDF)&#8221;') . '</p></td></tr>
2573  
2574          <tr class="image-only">
2575              <th scope="row" class="label">
2576                  <label for="alt"><span class="alignleft">' . __('Alternative Text') . '</span></label>
2577              </th>
2578              <td class="field"><input id="alt" name="alt" value="" type="text" aria-required="true" />
2579              <p class="help">' . __('Alt text for the image, e.g. &#8220;The Mona Lisa&#8221;') . '</p></td>
2580          </tr>
2581          ' . $caption . '
2582          <tr class="align image-only">
2583              <th scope="row" class="label"><p><label for="align">' . __('Alignment') . '</label></p></th>
2584              <td class="field">
2585                  <input name="align" id="align-none" value="none" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ($default_align == 'none' ? ' checked="checked"' : '').' />
2586                  <label for="align-none" class="align image-align-none-label">' . __('None') . '</label>
2587                  <input name="align" id="align-left" value="left" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ($default_align == 'left' ? ' checked="checked"' : '').' />
2588                  <label for="align-left" class="align image-align-left-label">' . __('Left') . '</label>
2589                  <input name="align" id="align-center" value="center" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ($default_align == 'center' ? ' checked="checked"' : '').' />
2590                  <label for="align-center" class="align image-align-center-label">' . __('Center') . '</label>
2591                  <input name="align" id="align-right" value="right" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ($default_align == 'right' ? ' checked="checked"' : '').' />
2592                  <label for="align-right" class="align image-align-right-label">' . __('Right') . '</label>
2593              </td>
2594          </tr>
2595  
2596          <tr class="image-only">
2597              <th scope="row" class="label">
2598                  <label for="url"><span class="alignleft">' . __('Link Image To:') . '</span></label>
2599              </th>
2600              <td class="field"><input id="url" name="url" value="" type="text" /><br />
2601  
2602              <button type="button" class="button" value="" onclick="document.forms[0].url.value=null">' . __('None') . '</button>
2603              <button type="button" class="button" value="" onclick="document.forms[0].url.value=document.forms[0].src.value">' . __('Link to image') . '</button>
2604              <p class="help">' . __('Enter a link URL or click above for presets.') . '</p></td>
2605          </tr>
2606          <tr class="image-only">
2607              <td></td>
2608              <td>
2609                  <input type="button" class="button" id="go_button" style="color:#bbb;" onclick="addExtImage.insert()" value="' . esc_attr__('Insert into Post') . '" />
2610              </td>
2611          </tr>
2612          <tr class="not-image">
2613              <td></td>
2614              <td>
2615                  ' . get_submit_button( __( 'Insert into Post' ), 'button', 'insertonlybutton', false ) . '
2616              </td>
2617          </tr>
2618      </tbody></table>
2619  ';
2620  
2621  }
2622  
2623  /**
2624   * Displays the multi-file uploader message.
2625   *
2626   * @since 2.6.0
2627   *
2628   * @global int $post_ID
2629   */
2630  function media_upload_flash_bypass() {
2631      $browser_uploader = admin_url( 'media-new.php?browser-uploader' );
2632  
2633      if ( $post = get_post() )
2634          $browser_uploader .= '&amp;post_id=' . intval( $post->ID );
2635      elseif ( ! empty( $GLOBALS['post_ID'] ) )
2636          $browser_uploader .= '&amp;post_id=' . intval( $GLOBALS['post_ID'] );
2637  
2638      ?>
2639      <p class="upload-flash-bypass">
2640      <?php printf( __( 'You are using the multi-file uploader. Problems? Try the <a href="%1$s" target="%2$s">browser uploader</a> instead.' ), $browser_uploader, '_blank' ); ?>
2641      </p>
2642      <?php
2643  }
2644  
2645  /**
2646   * Displays the browser's built-in uploader message.
2647   *
2648   * @since 2.6.0
2649   */
2650  function media_upload_html_bypass() {
2651      ?>
2652      <p class="upload-html-bypass hide-if-no-js">
2653         <?php _e('You are using the browser&#8217;s built-in file uploader. The WordPress uploader includes multiple file selection and drag and drop capability. <a href="#">Switch to the multi-file uploader</a>.'); ?>
2654      </p>
2655      <?php
2656  }
2657  
2658  /**
2659   * Used to display a "After a file has been uploaded..." help message.
2660   *
2661   * @since 3.3.0
2662   */
2663  function media_upload_text_after() {}
2664  
2665  /**
2666   * Displays the checkbox to scale images.
2667   *
2668   * @since 3.3.0
2669   */
2670  function media_upload_max_image_resize() {
2671      $checked = get_user_setting('upload_resize') ? ' checked="true"' : '';
2672      $a = $end = '';
2673  
2674      if ( current_user_can( 'manage_options' ) ) {
2675          $a = '<a href="' . esc_url( admin_url( 'options-media.php' ) ) . '" target="_blank">';
2676          $end = '</a>';
2677      }
2678  ?>
2679  <p class="hide-if-no-js"><label>
2680  <input name="image_resize" type="checkbox" id="image_resize" value="true"<?php echo $checked; ?> />
2681  <?php
2682      /* translators: %1$s is link start tag, %2$s is link end tag, %3$d is width, %4$d is height*/
2683      printf( __( 'Scale images to match the large size selected in %1$simage options%2$s (%3$d &times; %4$d).' ), $a, $end, (int) get_option( 'large_size_w', '1024' ), (int) get_option( 'large_size_h', '1024' ) );
2684  ?>
2685  </label></p>
2686  <?php
2687  }
2688  
2689  /**
2690   * Displays the out of storage quota message in Multisite.
2691   *
2692   * @since 3.5.0
2693   */
2694  function multisite_over_quota_message() {
2695      echo '<p>' . sprintf( __( 'Sorry, you have used all of your storage quota of %s MB.' ), get_space_allowed() ) . '</p>';
2696  }
2697  
2698  /**
2699   * Displays the image and editor in the post editor
2700   *
2701   * @since 3.5.0
2702   *
2703   * @param WP_Post $post A post object.
2704   */
2705  function edit_form_image_editor( $post ) {
2706      $open = isset( $_GET['image-editor'] );
2707      if ( $open )
2708          require_once  ABSPATH . 'wp-admin/includes/image-edit.php';
2709  
2710      $thumb_url = false;
2711      if ( $attachment_id = intval( $post->ID ) )
2712          $thumb_url = wp_get_attachment_image_src( $attachment_id, array( 900, 450 ), true );
2713  
2714      $alt_text = get_post_meta( $post->ID, '_wp_attachment_image_alt', true );
2715  
2716      $att_url = wp_get_attachment_url( $post->ID ); ?>
2717      <div class="wp_attachment_holder wp-clearfix">
2718      <?php
2719      if ( wp_attachment_is_image( $post->ID ) ) :
2720          $image_edit_button = '';
2721          if ( wp_image_editor_supports( array( 'mime_type' => $post->post_mime_type ) ) ) {
2722              $nonce = wp_create_nonce( "image_editor-$post->ID" );
2723              $image_edit_button = "<input type='button' id='imgedit-open-btn-$post->ID' onclick='imageEdit.open( $post->ID, \"$nonce\" )' class='button' value='" . esc_attr__( 'Edit Image' ) . "' /> <span class='spinner'></span>";
2724          }
2725      ?>
2726  
2727          <div class="imgedit-response" id="imgedit-response-<?php echo $attachment_id; ?>"></div>
2728  
2729          <div<?php if ( $open ) echo ' style="display:none"'; ?> class="wp_attachment_image wp-clearfix" id="media-head-<?php echo $attachment_id; ?>">
2730              <p id="thumbnail-head-<?php echo $attachment_id; ?>"><img class="thumbnail" src="<?php echo set_url_scheme( $thumb_url[0] ); ?>" style="max-width:100%" alt="" /></p>
2731              <p><?php echo $image_edit_button; ?></p>
2732          </div>
2733          <div<?php if ( ! $open ) echo ' style="display:none"'; ?> class="image-editor" id="image-editor-<?php echo $attachment_id; ?>">
2734              <?php if ( $open ) wp_image_editor( $attachment_id ); ?>
2735          </div>
2736      <?php
2737      elseif ( $attachment_id && wp_attachment_is( 'audio', $post ) ):
2738  
2739          wp_maybe_generate_attachment_metadata( $post );
2740  
2741          echo wp_audio_shortcode( array( 'src' => $att_url ) );
2742  
2743      elseif ( $attachment_id && wp_attachment_is( 'video', $post ) ):
2744  
2745          wp_maybe_generate_attachment_metadata( $post );
2746  
2747          $meta = wp_get_attachment_metadata( $attachment_id );
2748          $w = ! empty( $meta['width'] ) ? min( $meta['width'], 640 ) : 0;
2749          $h = ! empty( $meta['height'] ) ? $meta['height'] : 0;
2750          if ( $h && $w < $meta['width'] ) {
2751              $h = round( ( $meta['height'] * $w ) / $meta['width'] );
2752          }
2753  
2754          $attr = array( 'src' => $att_url );
2755          if ( ! empty( $w ) && ! empty( $h ) ) {
2756              $attr['width'] = $w;
2757              $attr['height'] = $h;
2758          }
2759  
2760          $thumb_id = get_post_thumbnail_id( $attachment_id );
2761          if ( ! empty( $thumb_id ) ) {
2762              $attr['poster'] = wp_get_attachment_url( $thumb_id );
2763          }
2764  
2765          echo wp_video_shortcode( $attr );
2766  
2767      endif; ?>
2768      </div>
2769      <div class="wp_attachment_details edit-form-section">
2770          <p>
2771              <label for="attachment_caption"><strong><?php _e( 'Caption' ); ?></strong></label><br />
2772              <textarea class="widefat" name="excerpt" id="attachment_caption"><?php echo $post->post_excerpt; ?></textarea>
2773          </p>
2774  
2775  
2776      <?php if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) : ?>
2777          <p>
2778              <label for="attachment_alt"><strong><?php _e( 'Alternative Text' ); ?></strong></label><br />
2779              <input type="text" class="widefat" name="_wp_attachment_image_alt" id="attachment_alt" value="<?php echo esc_attr( $alt_text ); ?>" />
2780          </p>
2781      <?php endif; ?>
2782  
2783      <?php
2784          $quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
2785          $editor_args = array(
2786              'textarea_name' => 'content',
2787              'textarea_rows' => 5,
2788              'media_buttons' => false,
2789              'tinymce' => false,
2790              'quicktags' => $quicktags_settings,
2791          );
2792      ?>
2793  
2794      <label for="attachment_content"><strong><?php _e( 'Description' ); ?></strong><?php
2795      if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
2796          echo ': ' . __( 'Displayed on attachment pages.' );
2797      } ?></label>
2798      <?php wp_editor( $post->post_content, 'attachment_content', $editor_args ); ?>
2799  
2800      </div>
2801      <?php
2802      $extras = get_compat_media_markup( $post->ID );
2803      echo $extras['item'];
2804      echo '<input type="hidden" id="image-edit-context" value="edit-attachment" />' . "\n";
2805  }
2806  
2807  /**
2808   * Displays non-editable attachment metadata in the publish metabox
2809   *
2810   * @since 3.5.0
2811   */
2812  function attachment_submitbox_metadata() {
2813      $post = get_post();
2814  
2815      $file = get_attached_file( $post->ID );
2816      $filename = esc_html( wp_basename( $file ) );
2817  
2818      $media_dims = '';
2819      $meta = wp_get_attachment_metadata( $post->ID );
2820      if ( isset( $meta['width'], $meta['height'] ) )
2821          $media_dims .= "<span id='media-dims-$post->ID'>{$meta['width']}&nbsp;&times;&nbsp;{$meta['height']}</span> ";
2822      /** This filter is documented in wp-admin/includes/media.php */
2823      $media_dims = apply_filters( 'media_meta', $media_dims, $post );
2824  
2825      $att_url = wp_get_attachment_url( $post->ID );
2826  ?>
2827      <div class="misc-pub-section misc-pub-attachment">
2828          <label for="attachment_url"><?php _e( 'File URL:' ); ?></label>
2829          <input type="text" class="widefat urlfield" readonly="readonly" name="attachment_url" id="attachment_url" value="<?php echo esc_attr( $att_url ); ?>" />
2830      </div>
2831      <div class="misc-pub-section misc-pub-filename">
2832          <?php _e( 'File name:' ); ?> <strong><?php echo $filename; ?></strong>
2833      </div>
2834      <div class="misc-pub-section misc-pub-filetype">
2835          <?php _e( 'File type:' ); ?> <strong><?php
2836              if ( preg_match( '/^.*?\.(\w+)$/', get_attached_file( $post->ID ), $matches ) ) {
2837                  echo esc_html( strtoupper( $matches[1] ) );
2838                  list( $mime_type ) = explode( '/', $post->post_mime_type );
2839                  if ( $mime_type !== 'image' && ! empty( $meta['mime_type'] ) ) {
2840                      if ( $meta['mime_type'] !== "$mime_type/" . strtolower( $matches[1] ) ) {
2841                          echo ' (' . $meta['mime_type'] . ')';
2842                      }
2843                  }
2844              } else {
2845                  echo strtoupper( str_replace( 'image/', '', $post->post_mime_type ) );
2846              }
2847          ?></strong>
2848      </div>
2849  
2850      <?php
2851          $file_size = false;
2852  
2853          if ( isset( $meta['filesize'] ) )
2854              $file_size = $meta['filesize'];
2855          elseif ( file_exists( $file ) )
2856              $file_size = filesize( $file );
2857  
2858          if ( ! empty( $file_size ) ) : ?>
2859              <div class="misc-pub-section misc-pub-filesize">
2860                  <?php _e( 'File size:' ); ?> <strong><?php echo size_format( $file_size ); ?></strong>
2861              </div>
2862              <?php
2863          endif;
2864  
2865      if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
2866  
2867          /**
2868           * Filter the audio and video metadata fields to be shown in the publish meta box.
2869           *
2870           * The key for each item in the array should correspond to an attachment
2871           * metadata key, and the value should be the desired label.
2872           *
2873           * @since 3.7.0
2874           *
2875           * @param array $fields An array of the attachment metadata keys and labels.
2876           */
2877          $fields = apply_filters( 'media_submitbox_misc_sections', array(
2878              'length_formatted' => __( 'Length:' ),
2879              'bitrate'          => __( 'Bitrate:' ),
2880          ) );
2881  
2882          foreach ( $fields as $key => $label ) {
2883              if ( empty( $meta[ $key ] ) ) {
2884                  continue;
2885              }
2886      ?>
2887          <div class="misc-pub-section misc-pub-mime-meta misc-pub-<?php echo sanitize_html_class( $key ); ?>">
2888              <?php echo $label ?> <strong><?php
2889                  switch ( $key ) {
2890                      case 'bitrate' :
2891                          echo round( $meta['bitrate'] / 1000 ) . 'kb/s';
2892                          if ( ! empty( $meta['bitrate_mode'] ) ) {
2893                              echo ' ' . strtoupper( esc_html( $meta['bitrate_mode'] ) );
2894                          }
2895                          break;
2896                      default:
2897                          echo esc_html( $meta[ $key ] );
2898                          break;
2899                  }
2900              ?></strong>
2901          </div>
2902      <?php
2903          }
2904  
2905          /**
2906           * Filter the audio attachment metadata fields to be shown in the publish meta box.
2907           *
2908           * The key for each item in the array should correspond to an attachment
2909           * metadata key, and the value should be the desired label.
2910           *
2911           * @since 3.7.0
2912           *
2913           * @param array $fields An array of the attachment metadata keys and labels.
2914           */
2915          $audio_fields = apply_filters( 'audio_submitbox_misc_sections', array(
2916              'dataformat' => __( 'Audio Format:' ),
2917              'codec'      => __( 'Audio Codec:' )
2918          ) );
2919  
2920          foreach ( $audio_fields as $key => $label ) {
2921              if ( empty( $meta['audio'][ $key ] ) ) {
2922                  continue;
2923              }
2924      ?>
2925          <div class="misc-pub-section misc-pub-audio misc-pub-<?php echo sanitize_html_class( $key ); ?>">
2926              <?php echo $label; ?> <strong><?php echo esc_html( $meta['audio'][$key] ); ?></strong>
2927          </div>
2928      <?php
2929          }
2930  
2931      }
2932  
2933      if ( $media_dims ) : ?>
2934      <div class="misc-pub-section misc-pub-dimensions">
2935          <?php _e( 'Dimensions:' ); ?> <strong><?php echo $media_dims; ?></strong>
2936      </div>
2937  <?php
2938      endif;
2939  }
2940  
2941  /**
2942   * Parse ID3v2, ID3v1, and getID3 comments to extract usable data
2943   *
2944   * @since 3.6.0
2945   *
2946   * @param array $metadata An existing array with data
2947   * @param array $data Data supplied by ID3 tags
2948   */
2949  function wp_add_id3_tag_data( &$metadata, $data ) {
2950      foreach ( array( 'id3v2', 'id3v1' ) as $version ) {
2951          if ( ! empty( $data[$version]['comments'] ) ) {
2952              foreach ( $data[$version]['comments'] as $key => $list ) {
2953                  if ( 'length' !== $key && ! empty( $list ) ) {
2954                      $metadata[$key] = reset( $list );
2955                      // Fix bug in byte stream analysis.
2956                      if ( 'terms_of_use' === $key && 0 === strpos( $metadata[$key], 'yright notice.' ) )
2957                          $metadata[$key] = 'Cop' . $metadata[$key];
2958                  }
2959              }
2960              break;
2961          }
2962      }
2963  
2964      if ( ! empty( $data['id3v2']['APIC'] ) ) {
2965          $image = reset( $data['id3v2']['APIC']);
2966          if ( ! empty( $image['data'] ) ) {
2967              $metadata['image'] = array(
2968                  'data' => $image['data'],
2969                  'mime' => $image['image_mime'],
2970                  'width' => $image['image_width'],
2971                  'height' => $image['image_height']
2972              );
2973          }
2974      } elseif ( ! empty( $data['comments']['picture'] ) ) {
2975          $image = reset( $data['comments']['picture'] );
2976          if ( ! empty( $image['data'] ) ) {
2977              $metadata['image'] = array(
2978                  'data' => $image['data'],
2979                  'mime' => $image['image_mime']
2980              );
2981          }
2982      }
2983  }
2984  
2985  /**
2986   * Retrieve metadata from a video file's ID3 tags
2987   *
2988   * @since 3.6.0
2989   *
2990   * @param string $file Path to file.
2991   * @return array|bool Returns array of metadata, if found.
2992   */
2993  function wp_read_video_metadata( $file ) {
2994      if ( ! file_exists( $file ) ) {
2995          return false;
2996      }
2997  
2998      $metadata = array();
2999  
3000      if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
3001          define( 'GETID3_TEMP_DIR', get_temp_dir() );
3002      }
3003  
3004      if ( ! class_exists( 'getID3', false ) ) {
3005          require( ABSPATH . WPINC . '/ID3/getid3.php' );
3006      }
3007      $id3 = new getID3();
3008      $data = $id3->analyze( $file );
3009  
3010      if ( isset( $data['video']['lossless'] ) )
3011          $metadata['lossless'] = $data['video']['lossless'];
3012      if ( ! empty( $data['video']['bitrate'] ) )
3013          $metadata['bitrate'] = (int) $data['video']['bitrate'];
3014      if ( ! empty( $data['video']['bitrate_mode'] ) )
3015          $metadata['bitrate_mode'] = $data['video']['bitrate_mode'];
3016      if ( ! empty( $data['filesize'] ) )
3017          $metadata['filesize'] = (int) $data['filesize'];
3018      if ( ! empty( $data['mime_type'] ) )
3019          $metadata['mime_type'] = $data['mime_type'];
3020      if ( ! empty( $data['playtime_seconds'] ) )
3021          $metadata['length'] = (int) round( $data['playtime_seconds'] );
3022      if ( ! empty( $data['playtime_string'] ) )
3023          $metadata['length_formatted'] = $data['playtime_string'];
3024      if ( ! empty( $data['video']['resolution_x'] ) )
3025          $metadata['width'] = (int) $data['video']['resolution_x'];
3026      if ( ! empty( $data['video']['resolution_y'] ) )
3027          $metadata['height'] = (int) $data['video']['resolution_y'];
3028      if ( ! empty( $data['fileformat'] ) )
3029          $metadata['fileformat'] = $data['fileformat'];
3030      if ( ! empty( $data['video']['dataformat'] ) )
3031          $metadata['dataformat'] = $data['video']['dataformat'];
3032      if ( ! empty( $data['video']['encoder'] ) )
3033          $metadata['encoder'] = $data['video']['encoder'];
3034      if ( ! empty( $data['video']['codec'] ) )
3035          $metadata['codec'] = $data['video']['codec'];
3036  
3037      if ( ! empty( $data['audio'] ) ) {
3038          unset( $data['audio']['streams'] );
3039          $metadata['audio'] = $data['audio'];
3040      }
3041  
3042      wp_add_id3_tag_data( $metadata, $data );
3043  
3044      return $metadata;
3045  }
3046  
3047  /**
3048   * Retrieve metadata from a audio file's ID3 tags
3049   *
3050   * @since 3.6.0
3051   *
3052   * @param string $file Path to file.
3053   * @return array|bool Returns array of metadata, if found.
3054   */
3055  function wp_read_audio_metadata( $file ) {
3056      if ( ! file_exists( $file ) ) {
3057          return false;
3058      }
3059      $metadata = array();
3060  
3061      if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
3062          define( 'GETID3_TEMP_DIR', get_temp_dir() );
3063      }
3064  
3065      if ( ! class_exists( 'getID3', false ) ) {
3066          require( ABSPATH . WPINC . '/ID3/getid3.php' );
3067      }
3068      $id3 = new getID3();
3069      $data = $id3->analyze( $file );
3070  
3071      if ( ! empty( $data['audio'] ) ) {
3072          unset( $data['audio']['streams'] );
3073          $metadata = $data['audio'];
3074      }
3075  
3076      if ( ! empty( $data['fileformat'] ) )
3077          $metadata['fileformat'] = $data['fileformat'];
3078      if ( ! empty( $data['filesize'] ) )
3079          $metadata['filesize'] = (int) $data['filesize'];
3080      if ( ! empty( $data['mime_type'] ) )
3081          $metadata['mime_type'] = $data['mime_type'];
3082      if ( ! empty( $data['playtime_seconds'] ) )
3083          $metadata['length'] = (int) round( $data['playtime_seconds'] );
3084      if ( ! empty( $data['playtime_string'] ) )
3085          $metadata['length_formatted'] = $data['playtime_string'];
3086  
3087      wp_add_id3_tag_data( $metadata, $data );
3088  
3089      return $metadata;
3090  }
3091  
3092  /**
3093   * Encapsulate logic for Attach/Detach actions
3094   *
3095   * @since 4.2.0
3096   *
3097   * @global wpdb $wpdb WordPress database abstraction object.
3098   *
3099   * @param int    $parent_id Attachment parent ID.
3100   * @param string $action    Optional. Attach/detach action. Accepts 'attach' or 'detach'.
3101   *                          Default 'attach'.
3102   */
3103  function wp_media_attach_action( $parent_id, $action = 'attach' ) {
3104      global $wpdb;
3105  
3106      if ( ! $parent_id ) {
3107          return;
3108      }
3109  
3110      if ( ! current_user_can( 'edit_post', $parent_id ) ) {
3111          wp_die( __( 'You are not allowed to edit this post.' ) );
3112      }
3113      $ids = array();
3114      foreach ( (array) $_REQUEST['media'] as $att_id ) {
3115          $att_id = (int) $att_id;
3116  
3117          if ( ! current_user_can( 'edit_post', $att_id ) ) {
3118              continue;
3119          }
3120  
3121          $ids[] = $att_id;
3122      }
3123  
3124      if ( ! empty( $ids ) ) {
3125          $ids_string = implode( ',', $ids );
3126          if ( 'attach' === $action ) {
3127              $result = $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET post_parent = %d WHERE post_type = 'attachment' AND ID IN ( $ids_string )", $parent_id ) );
3128          } else {
3129              $result = $wpdb->query( "UPDATE $wpdb->posts SET post_parent = 0 WHERE post_type = 'attachment' AND ID IN ( $ids_string )" );
3130          }
3131  
3132          foreach ( $ids as $att_id ) {
3133              clean_attachment_cache( $att_id );
3134          }
3135      }
3136  
3137      if ( isset( $result ) ) {
3138          $location = 'upload.php';
3139          if ( $referer = wp_get_referer() ) {
3140              if ( false !== strpos( $referer, 'upload.php' ) ) {
3141                  $location = remove_query_arg( array( 'attached', 'detach' ), $referer );
3142              }
3143          }
3144  
3145          $key = 'attach' === $action ? 'attached' : 'detach';
3146          $location = add_query_arg( array( $key => $result ), $location );
3147          wp_redirect( $location );
3148          exit;
3149      }
3150  }


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