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


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