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

   1  <?php
   2  /**
   3   * WordPress Administration Update API
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /**
  10   * Selects the first update version from the update_core option.
  11   *
  12   * @since 2.7.0
  13   *
  14   * @return object|array|false The response from the API on success, false on failure.
  15   */
  16  function get_preferred_from_update_core() {
  17      $updates = get_core_updates();
  18      if ( ! is_array( $updates ) ) {
  19          return false;
  20      }
  21      if ( empty( $updates ) ) {
  22          return (object) array( 'response' => 'latest' );
  23      }
  24      return $updates[0];
  25  }
  26  
  27  /**
  28   * Gets available core updates.
  29   *
  30   * @since 2.7.0
  31   *
  32   * @param array $options Set $options['dismissed'] to true to show dismissed upgrades too,
  33   *                       set $options['available'] to false to skip not-dismissed updates.
  34   * @return array|false Array of the update objects on success, false on failure.
  35   */
  36  function get_core_updates( $options = array() ) {
  37      $options   = array_merge(
  38          array(
  39              'available' => true,
  40              'dismissed' => false,
  41          ),
  42          $options
  43      );
  44      $dismissed = get_site_option( 'dismissed_update_core' );
  45  
  46      if ( ! is_array( $dismissed ) ) {
  47          $dismissed = array();
  48      }
  49  
  50      $from_api = get_site_transient( 'update_core' );
  51  
  52      if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) ) {
  53          return false;
  54      }
  55  
  56      $updates = $from_api->updates;
  57      $result  = array();
  58      foreach ( $updates as $update ) {
  59          if ( 'autoupdate' === $update->response ) {
  60              continue;
  61          }
  62  
  63          if ( array_key_exists( $update->current . '|' . $update->locale, $dismissed ) ) {
  64              if ( $options['dismissed'] ) {
  65                  $update->dismissed = true;
  66                  $result[]          = $update;
  67              }
  68          } else {
  69              if ( $options['available'] ) {
  70                  $update->dismissed = false;
  71                  $result[]          = $update;
  72              }
  73          }
  74      }
  75      return $result;
  76  }
  77  
  78  /**
  79   * Gets the best available (and enabled) Auto-Update for WordPress core.
  80   *
  81   * If there's 1.2.3 and 1.3 on offer, it'll choose 1.3 if the installation allows it, else, 1.2.3.
  82   *
  83   * @since 3.7.0
  84   *
  85   * @return object|false The core update offering on success, false on failure.
  86   */
  87  function find_core_auto_update() {
  88      $updates = get_site_transient( 'update_core' );
  89      if ( ! $updates || empty( $updates->updates ) ) {
  90          return false;
  91      }
  92  
  93      require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
  94  
  95      $auto_update = false;
  96      $upgrader    = new WP_Automatic_Updater;
  97      foreach ( $updates->updates as $update ) {
  98          if ( 'autoupdate' !== $update->response ) {
  99              continue;
 100          }
 101  
 102          if ( ! $upgrader->should_update( 'core', $update, ABSPATH ) ) {
 103              continue;
 104          }
 105  
 106          if ( ! $auto_update || version_compare( $update->current, $auto_update->current, '>' ) ) {
 107              $auto_update = $update;
 108          }
 109      }
 110      return $auto_update;
 111  }
 112  
 113  /**
 114   * Gets and caches the checksums for the given version of WordPress.
 115   *
 116   * @since 3.7.0
 117   *
 118   * @param string $version Version string to query.
 119   * @param string $locale  Locale to query.
 120   * @return array|false An array of checksums on success, false on failure.
 121   */
 122  function get_core_checksums( $version, $locale ) {
 123      $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), null, '&' );
 124      $url      = $http_url;
 125  
 126      $ssl = wp_http_supports( array( 'ssl' ) );
 127      if ( $ssl ) {
 128          $url = set_url_scheme( $url, 'https' );
 129      }
 130  
 131      $options = array(
 132          'timeout' => wp_doing_cron() ? 30 : 3,
 133      );
 134  
 135      $response = wp_remote_get( $url, $options );
 136      if ( $ssl && is_wp_error( $response ) ) {
 137          trigger_error(
 138              sprintf(
 139                  /* translators: %s: Support forums URL. */
 140                  __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
 141                  __( 'https://wordpress.org/support/forums/' )
 142              ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
 143              headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
 144          );
 145          $response = wp_remote_get( $http_url, $options );
 146      }
 147  
 148      if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) ) {
 149          return false;
 150      }
 151  
 152      $body = trim( wp_remote_retrieve_body( $response ) );
 153      $body = json_decode( $body, true );
 154  
 155      if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) ) {
 156          return false;
 157      }
 158  
 159      return $body['checksums'];
 160  }
 161  
 162  /**
 163   * Dismisses core update.
 164   *
 165   * @since 2.7.0
 166   *
 167   * @param object $update
 168   * @return bool
 169   */
 170  function dismiss_core_update( $update ) {
 171      $dismissed = get_site_option( 'dismissed_update_core' );
 172      $dismissed[ $update->current . '|' . $update->locale ] = true;
 173      return update_site_option( 'dismissed_update_core', $dismissed );
 174  }
 175  
 176  /**
 177   * Undismisses core update.
 178   *
 179   * @since 2.7.0
 180   *
 181   * @param string $version
 182   * @param string $locale
 183   * @return bool
 184   */
 185  function undismiss_core_update( $version, $locale ) {
 186      $dismissed = get_site_option( 'dismissed_update_core' );
 187      $key       = $version . '|' . $locale;
 188  
 189      if ( ! isset( $dismissed[ $key ] ) ) {
 190          return false;
 191      }
 192  
 193      unset( $dismissed[ $key ] );
 194      return update_site_option( 'dismissed_update_core', $dismissed );
 195  }
 196  
 197  /**
 198   * Finds the available update for WordPress core.
 199   *
 200   * @since 2.7.0
 201   *
 202   * @param string $version Version string to find the update for.
 203   * @param string $locale  Locale to find the update for.
 204   * @return object|false The core update offering on success, false on failure.
 205   */
 206  function find_core_update( $version, $locale ) {
 207      $from_api = get_site_transient( 'update_core' );
 208  
 209      if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) ) {
 210          return false;
 211      }
 212  
 213      $updates = $from_api->updates;
 214      foreach ( $updates as $update ) {
 215          if ( $update->current == $version && $update->locale == $locale ) {
 216              return $update;
 217          }
 218      }
 219      return false;
 220  }
 221  
 222  /**
 223   * @since 2.3.0
 224   *
 225   * @param string $msg
 226   * @return string
 227   */
 228  function core_update_footer( $msg = '' ) {
 229      if ( ! current_user_can( 'update_core' ) ) {
 230          /* translators: %s: WordPress version. */
 231          return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
 232      }
 233  
 234      $cur = get_preferred_from_update_core();
 235      if ( ! is_object( $cur ) ) {
 236          $cur = new stdClass;
 237      }
 238  
 239      if ( ! isset( $cur->current ) ) {
 240          $cur->current = '';
 241      }
 242  
 243      if ( ! isset( $cur->url ) ) {
 244          $cur->url = '';
 245      }
 246  
 247      if ( ! isset( $cur->response ) ) {
 248          $cur->response = '';
 249      }
 250  
 251      switch ( $cur->response ) {
 252          case 'development':
 253              return sprintf(
 254                  /* translators: 1: WordPress version number, 2: URL to WordPress Updates screen. */
 255                  __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ),
 256                  get_bloginfo( 'version', 'display' ),
 257                  network_admin_url( 'update-core.php' )
 258              );
 259  
 260          case 'upgrade':
 261              return sprintf(
 262                  '<strong><a href="%s">%s</a></strong>',
 263                  network_admin_url( 'update-core.php' ),
 264                  /* translators: %s: WordPress version. */
 265                  sprintf( __( 'Get Version %s' ), $cur->current )
 266              );
 267  
 268          case 'latest':
 269          default:
 270              /* translators: %s: WordPress version. */
 271              return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
 272      }
 273  }
 274  
 275  /**
 276   * @since 2.3.0
 277   *
 278   * @global string $pagenow
 279   * @return void|false
 280   */
 281  function update_nag() {
 282      if ( is_multisite() && ! current_user_can( 'update_core' ) ) {
 283          return false;
 284      }
 285  
 286      global $pagenow;
 287  
 288      if ( 'update-core.php' === $pagenow ) {
 289          return;
 290      }
 291  
 292      $cur = get_preferred_from_update_core();
 293  
 294      if ( ! isset( $cur->response ) || 'upgrade' !== $cur->response ) {
 295          return false;
 296      }
 297  
 298      $version_url = sprintf(
 299          /* translators: %s: WordPress version. */
 300          esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
 301          sanitize_title( $cur->current )
 302      );
 303  
 304      if ( current_user_can( 'update_core' ) ) {
 305          $msg = sprintf(
 306              /* translators: 1: URL to WordPress release notes, 2: New WordPress version, 3: URL to network admin, 4: Accessibility text. */
 307              __( '<a href="%1$s">WordPress %2$s</a> is available! <a href="%3$s" aria-label="%4$s">Please update now</a>.' ),
 308              $version_url,
 309              $cur->current,
 310              network_admin_url( 'update-core.php' ),
 311              esc_attr__( 'Please update WordPress now' )
 312          );
 313      } else {
 314          $msg = sprintf(
 315              /* translators: 1: URL to WordPress release notes, 2: New WordPress version. */
 316              __( '<a href="%1$s">WordPress %2$s</a> is available! Please notify the site administrator.' ),
 317              $version_url,
 318              $cur->current
 319          );
 320      }
 321  
 322      echo "<div class='update-nag notice notice-warning inline'>$msg</div>";
 323  }
 324  
 325  /**
 326   * Displays WordPress version and active theme in the 'At a Glance' dashboard widget.
 327   *
 328   * @since 2.5.0
 329   */
 330  function update_right_now_message() {
 331      $theme_name = wp_get_theme();
 332      if ( current_user_can( 'switch_themes' ) ) {
 333          $theme_name = sprintf( '<a href="themes.php">%1$s</a>', $theme_name );
 334      }
 335  
 336      $msg = '';
 337  
 338      if ( current_user_can( 'update_core' ) ) {
 339          $cur = get_preferred_from_update_core();
 340  
 341          if ( isset( $cur->response ) && 'upgrade' === $cur->response ) {
 342              $msg .= sprintf(
 343                  '<a href="%s" class="button" aria-describedby="wp-version">%s</a> ',
 344                  network_admin_url( 'update-core.php' ),
 345                  /* translators: %s: WordPress version number, or 'Latest' string. */
 346                  sprintf( __( 'Update to %s' ), $cur->current ? $cur->current : __( 'Latest' ) )
 347              );
 348          }
 349      }
 350  
 351      /* translators: 1: Version number, 2: Theme name. */
 352      $content = __( 'WordPress %1$s running %2$s theme.' );
 353  
 354      /**
 355       * Filters the text displayed in the 'At a Glance' dashboard widget.
 356       *
 357       * Prior to 3.8.0, the widget was named 'Right Now'.
 358       *
 359       * @since 4.4.0
 360       *
 361       * @param string $content Default text.
 362       */
 363      $content = apply_filters( 'update_right_now_text', $content );
 364  
 365      $msg .= sprintf( '<span id="wp-version">' . $content . '</span>', get_bloginfo( 'version', 'display' ), $theme_name );
 366  
 367      echo "<p id='wp-version-message'>$msg</p>";
 368  }
 369  
 370  /**
 371   * @since 2.9.0
 372   *
 373   * @return array
 374   */
 375  function get_plugin_updates() {
 376      $all_plugins     = get_plugins();
 377      $upgrade_plugins = array();
 378      $current         = get_site_transient( 'update_plugins' );
 379      foreach ( (array) $all_plugins as $plugin_file => $plugin_data ) {
 380          if ( isset( $current->response[ $plugin_file ] ) ) {
 381              $upgrade_plugins[ $plugin_file ]         = (object) $plugin_data;
 382              $upgrade_plugins[ $plugin_file ]->update = $current->response[ $plugin_file ];
 383          }
 384      }
 385  
 386      return $upgrade_plugins;
 387  }
 388  
 389  /**
 390   * @since 2.9.0
 391   */
 392  function wp_plugin_update_rows() {
 393      if ( ! current_user_can( 'update_plugins' ) ) {
 394          return;
 395      }
 396  
 397      $plugins = get_site_transient( 'update_plugins' );
 398      if ( isset( $plugins->response ) && is_array( $plugins->response ) ) {
 399          $plugins = array_keys( $plugins->response );
 400          foreach ( $plugins as $plugin_file ) {
 401              add_action( "after_plugin_row_{$plugin_file}", 'wp_plugin_update_row', 10, 2 );
 402          }
 403      }
 404  }
 405  
 406  /**
 407   * Displays update information for a plugin.
 408   *
 409   * @since 2.3.0
 410   *
 411   * @param string $file        Plugin basename.
 412   * @param array  $plugin_data Plugin information.
 413   * @return void|false
 414   */
 415  function wp_plugin_update_row( $file, $plugin_data ) {
 416      $current = get_site_transient( 'update_plugins' );
 417      if ( ! isset( $current->response[ $file ] ) ) {
 418          return false;
 419      }
 420  
 421      $response = $current->response[ $file ];
 422  
 423      $plugins_allowedtags = array(
 424          'a'       => array(
 425              'href'  => array(),
 426              'title' => array(),
 427          ),
 428          'abbr'    => array( 'title' => array() ),
 429          'acronym' => array( 'title' => array() ),
 430          'code'    => array(),
 431          'em'      => array(),
 432          'strong'  => array(),
 433      );
 434  
 435      $plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags );
 436      $details_url = self_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $response->slug . '&section=changelog&TB_iframe=true&width=600&height=800' );
 437  
 438      /** @var WP_Plugins_List_Table $wp_list_table */
 439      $wp_list_table = _get_list_table(
 440          'WP_Plugins_List_Table',
 441          array(
 442              'screen' => get_current_screen(),
 443          )
 444      );
 445  
 446      if ( is_network_admin() || ! is_multisite() ) {
 447          if ( is_network_admin() ) {
 448              $active_class = is_plugin_active_for_network( $file ) ? ' active' : '';
 449          } else {
 450              $active_class = is_plugin_active( $file ) ? ' active' : '';
 451          }
 452  
 453          $requires_php   = isset( $response->requires_php ) ? $response->requires_php : null;
 454          $compatible_php = is_php_version_compatible( $requires_php );
 455          $notice_type    = $compatible_php ? 'notice-warning' : 'notice-error';
 456  
 457          printf(
 458              '<tr class="plugin-update-tr%s" id="%s" data-slug="%s" data-plugin="%s">' .
 459              '<td colspan="%s" class="plugin-update colspanchange">' .
 460              '<div class="update-message notice inline %s notice-alt"><p>',
 461              $active_class,
 462              esc_attr( $response->slug . '-update' ),
 463              esc_attr( $response->slug ),
 464              esc_attr( $file ),
 465              esc_attr( $wp_list_table->get_column_count() ),
 466              $notice_type
 467          );
 468  
 469          if ( ! current_user_can( 'update_plugins' ) ) {
 470              printf(
 471                  /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 472                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ),
 473                  $plugin_name,
 474                  esc_url( $details_url ),
 475                  sprintf(
 476                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 477                      /* translators: 1: Plugin name, 2: Version number. */
 478                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 479                  ),
 480                  esc_attr( $response->new_version )
 481              );
 482          } elseif ( empty( $response->package ) ) {
 483              printf(
 484                  /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 485                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this plugin.</em>' ),
 486                  $plugin_name,
 487                  esc_url( $details_url ),
 488                  sprintf(
 489                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 490                      /* translators: 1: Plugin name, 2: Version number. */
 491                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 492                  ),
 493                  esc_attr( $response->new_version )
 494              );
 495          } else {
 496              if ( $compatible_php ) {
 497                  printf(
 498                      /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number, 5: Update URL, 6: Additional link attributes. */
 499                      __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ),
 500                      $plugin_name,
 501                      esc_url( $details_url ),
 502                      sprintf(
 503                          'class="thickbox open-plugin-details-modal" aria-label="%s"',
 504                          /* translators: 1: Plugin name, 2: Version number. */
 505                          esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 506                      ),
 507                      esc_attr( $response->new_version ),
 508                      wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $file, 'upgrade-plugin_' . $file ),
 509                      sprintf(
 510                          'class="update-link" aria-label="%s"',
 511                          /* translators: %s: Plugin name. */
 512                          esc_attr( sprintf( __( 'Update %s now' ), $plugin_name ) )
 513                      )
 514                  );
 515              } else {
 516                  printf(
 517                      /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number 5: URL to Update PHP page. */
 518                      __( 'There is a new version of %1$s available, but it doesn&#8217;t work with your version of PHP. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s">learn more about updating PHP</a>.' ),
 519                      $plugin_name,
 520                      esc_url( $details_url ),
 521                      sprintf(
 522                          'class="thickbox open-plugin-details-modal" aria-label="%s"',
 523                          /* translators: 1: Plugin name, 2: Version number. */
 524                          esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 525                      ),
 526                      esc_attr( $response->new_version ),
 527                      esc_url( wp_get_update_php_url() )
 528                  );
 529                  wp_update_php_annotation( '<br><em>', '</em>' );
 530              }
 531          }
 532  
 533          /**
 534           * Fires at the end of the update message container in each
 535           * row of the plugins list table.
 536           *
 537           * The dynamic portion of the hook name, `$file`, refers to the path
 538           * of the plugin's primary file relative to the plugins directory.
 539           *
 540           * @since 2.8.0
 541           *
 542           * @param array $plugin_data {
 543           *     An array of plugin metadata.
 544           *
 545           *     @type string $name        The human-readable name of the plugin.
 546           *     @type string $plugin_uri  Plugin URI.
 547           *     @type string $version     Plugin version.
 548           *     @type string $description Plugin description.
 549           *     @type string $author      Plugin author.
 550           *     @type string $author_uri  Plugin author URI.
 551           *     @type string $text_domain Plugin text domain.
 552           *     @type string $domain_path Relative path to the plugin's .mo file(s).
 553           *     @type bool   $network     Whether the plugin can only be activated network wide.
 554           *     @type string $title       The human-readable title of the plugin.
 555           *     @type string $author_name Plugin author's name.
 556           *     @type bool   $update      Whether there's an available update. Default null.
 557           * }
 558           * @param array $response {
 559           *     An array of metadata about the available plugin update.
 560           *
 561           *     @type int    $id          Plugin ID.
 562           *     @type string $slug        Plugin slug.
 563           *     @type string $new_version New plugin version.
 564           *     @type string $url         Plugin URL.
 565           *     @type string $package     Plugin update package URL.
 566           * }
 567           */
 568          do_action( "in_plugin_update_message-{$file}", $plugin_data, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 569  
 570          echo '</p></div></td></tr>';
 571      }
 572  }
 573  
 574  /**
 575   * @since 2.9.0
 576   *
 577   * @return array
 578   */
 579  function get_theme_updates() {
 580      $current = get_site_transient( 'update_themes' );
 581  
 582      if ( ! isset( $current->response ) ) {
 583          return array();
 584      }
 585  
 586      $update_themes = array();
 587      foreach ( $current->response as $stylesheet => $data ) {
 588          $update_themes[ $stylesheet ]         = wp_get_theme( $stylesheet );
 589          $update_themes[ $stylesheet ]->update = $data;
 590      }
 591  
 592      return $update_themes;
 593  }
 594  
 595  /**
 596   * @since 3.1.0
 597   */
 598  function wp_theme_update_rows() {
 599      if ( ! current_user_can( 'update_themes' ) ) {
 600          return;
 601      }
 602  
 603      $themes = get_site_transient( 'update_themes' );
 604      if ( isset( $themes->response ) && is_array( $themes->response ) ) {
 605          $themes = array_keys( $themes->response );
 606  
 607          foreach ( $themes as $theme ) {
 608              add_action( "after_theme_row_{$theme}", 'wp_theme_update_row', 10, 2 );
 609          }
 610      }
 611  }
 612  
 613  /**
 614   * Displays update information for a theme.
 615   *
 616   * @since 3.1.0
 617   *
 618   * @param string   $theme_key Theme stylesheet.
 619   * @param WP_Theme $theme     Theme object.
 620   * @return void|false
 621   */
 622  function wp_theme_update_row( $theme_key, $theme ) {
 623      $current = get_site_transient( 'update_themes' );
 624  
 625      if ( ! isset( $current->response[ $theme_key ] ) ) {
 626          return false;
 627      }
 628  
 629      $response = $current->response[ $theme_key ];
 630  
 631      $details_url = add_query_arg(
 632          array(
 633              'TB_iframe' => 'true',
 634              'width'     => 1024,
 635              'height'    => 800,
 636          ),
 637          $current->response[ $theme_key ]['url']
 638      );
 639  
 640      /** @var WP_MS_Themes_List_Table $wp_list_table */
 641      $wp_list_table = _get_list_table( 'WP_MS_Themes_List_Table' );
 642  
 643      $active = $theme->is_allowed( 'network' ) ? ' active' : '';
 644  
 645      printf(
 646          '<tr class="plugin-update-tr%s" id="%s" data-slug="%s">' .
 647          '<td colspan="%s" class="plugin-update colspanchange">' .
 648          '<div class="update-message notice inline notice-warning notice-alt"><p>',
 649          $active,
 650          esc_attr( $theme->get_stylesheet() . '-update' ),
 651          esc_attr( $theme->get_stylesheet() ),
 652          $wp_list_table->get_column_count()
 653      );
 654  
 655      if ( ! current_user_can( 'update_themes' ) ) {
 656          printf(
 657              /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 658              __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ),
 659              $theme['Name'],
 660              esc_url( $details_url ),
 661              sprintf(
 662                  'class="thickbox open-plugin-details-modal" aria-label="%s"',
 663                  /* translators: 1: Theme name, 2: Version number. */
 664                  esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 665              ),
 666              $response['new_version']
 667          );
 668      } elseif ( empty( $response['package'] ) ) {
 669          printf(
 670              /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 671              __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ),
 672              $theme['Name'],
 673              esc_url( $details_url ),
 674              sprintf(
 675                  'class="thickbox open-plugin-details-modal" aria-label="%s"',
 676                  /* translators: 1: Theme name, 2: Version number. */
 677                  esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 678              ),
 679              $response['new_version']
 680          );
 681      } else {
 682          printf(
 683              /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number, 5: Update URL, 6: Additional link attributes. */
 684              __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ),
 685              $theme['Name'],
 686              esc_url( $details_url ),
 687              sprintf(
 688                  'class="thickbox open-plugin-details-modal" aria-label="%s"',
 689                  /* translators: 1: Theme name, 2: Version number. */
 690                  esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 691              ),
 692              $response['new_version'],
 693              wp_nonce_url( self_admin_url( 'update.php?action=upgrade-theme&theme=' ) . $theme_key, 'upgrade-theme_' . $theme_key ),
 694              sprintf(
 695                  'class="update-link" aria-label="%s"',
 696                  /* translators: %s: Theme name. */
 697                  esc_attr( sprintf( __( 'Update %s now' ), $theme['Name'] ) )
 698              )
 699          );
 700      }
 701  
 702      /**
 703       * Fires at the end of the update message container in each
 704       * row of the themes list table.
 705       *
 706       * The dynamic portion of the hook name, `$theme_key`, refers to
 707       * the theme slug as found in the WordPress.org themes repository.
 708       *
 709       * @since 3.1.0
 710       *
 711       * @param WP_Theme $theme    The WP_Theme object.
 712       * @param array    $response {
 713       *     An array of metadata about the available theme update.
 714       *
 715       *     @type string $new_version New theme version.
 716       *     @type string $url         Theme URL.
 717       *     @type string $package     Theme update package URL.
 718       * }
 719       */
 720      do_action( "in_theme_update_message-{$theme_key}", $theme, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 721  
 722      echo '</p></div></td></tr>';
 723  }
 724  
 725  /**
 726   * @since 2.7.0
 727   *
 728   * @global int $upgrading
 729   * @return void|false
 730   */
 731  function maintenance_nag() {
 732      // Include an unmodified $wp_version.
 733      require  ABSPATH . WPINC . '/version.php';
 734      global $upgrading;
 735      $nag = isset( $upgrading );
 736      if ( ! $nag ) {
 737          $failed = get_site_option( 'auto_core_update_failed' );
 738          /*
 739           * If an update failed critically, we may have copied over version.php but not other files.
 740           * In that case, if the installation claims we're running the version we attempted, nag.
 741           * This is serious enough to err on the side of nagging.
 742           *
 743           * If we simply failed to update before we tried to copy any files, then assume things are
 744           * OK if they are now running the latest.
 745           *
 746           * This flag is cleared whenever a successful update occurs using Core_Upgrader.
 747           */
 748          $comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
 749          if ( isset( $failed['attempted'] ) && version_compare( $failed['attempted'], $wp_version, $comparison ) ) {
 750              $nag = true;
 751          }
 752      }
 753  
 754      if ( ! $nag ) {
 755          return false;
 756      }
 757  
 758      if ( current_user_can( 'update_core' ) ) {
 759          $msg = sprintf(
 760              /* translators: %s: URL to WordPress Updates screen. */
 761              __( 'An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.' ),
 762              'update-core.php'
 763          );
 764      } else {
 765          $msg = __( 'An automated WordPress update has failed to complete! Please notify the site administrator.' );
 766      }
 767  
 768      echo "<div class='update-nag notice notice-warning inline'>$msg</div>";
 769  }
 770  
 771  /**
 772   * Prints the JavaScript templates for update admin notices.
 773   *
 774   * Template takes one argument with four values:
 775   *
 776   *     param {object} data {
 777   *         Arguments for admin notice.
 778   *
 779   *         @type string id        ID of the notice.
 780   *         @type string className Class names for the notice.
 781   *         @type string message   The notice's message.
 782   *         @type string type      The type of update the notice is for. Either 'plugin' or 'theme'.
 783   *     }
 784   *
 785   * @since 4.6.0
 786   */
 787  function wp_print_admin_notice_templates() {
 788      ?>
 789      <script id="tmpl-wp-updates-admin-notice" type="text/html">
 790          <div <# if ( data.id ) { #>id="{{ data.id }}"<# } #> class="notice {{ data.className }}"><p>{{{ data.message }}}</p></div>
 791      </script>
 792      <script id="tmpl-wp-bulk-updates-admin-notice" type="text/html">
 793          <div id="{{ data.id }}" class="{{ data.className }} notice <# if ( data.errors ) { #>notice-error<# } else { #>notice-success<# } #>">
 794              <p>
 795                  <# if ( data.successes ) { #>
 796                      <# if ( 1 === data.successes ) { #>
 797                          <# if ( 'plugin' === data.type ) { #>
 798                              <?php
 799                              /* translators: %s: Number of plugins. */
 800                              printf( __( '%s plugin successfully updated.' ), '{{ data.successes }}' );
 801                              ?>
 802                          <# } else { #>
 803                              <?php
 804                              /* translators: %s: Number of themes. */
 805                              printf( __( '%s theme successfully updated.' ), '{{ data.successes }}' );
 806                              ?>
 807                          <# } #>
 808                      <# } else { #>
 809                          <# if ( 'plugin' === data.type ) { #>
 810                              <?php
 811                              /* translators: %s: Number of plugins. */
 812                              printf( __( '%s plugins successfully updated.' ), '{{ data.successes }}' );
 813                              ?>
 814                          <# } else { #>
 815                              <?php
 816                              /* translators: %s: Number of themes. */
 817                              printf( __( '%s themes successfully updated.' ), '{{ data.successes }}' );
 818                              ?>
 819                          <# } #>
 820                      <# } #>
 821                  <# } #>
 822                  <# if ( data.errors ) { #>
 823                      <button class="button-link bulk-action-errors-collapsed" aria-expanded="false">
 824                          <# if ( 1 === data.errors ) { #>
 825                              <?php
 826                              /* translators: %s: Number of failed updates. */
 827                              printf( __( '%s update failed.' ), '{{ data.errors }}' );
 828                              ?>
 829                          <# } else { #>
 830                              <?php
 831                              /* translators: %s: Number of failed updates. */
 832                              printf( __( '%s updates failed.' ), '{{ data.errors }}' );
 833                              ?>
 834                          <# } #>
 835                          <span class="screen-reader-text"><?php _e( 'Show more details' ); ?></span>
 836                          <span class="toggle-indicator" aria-hidden="true"></span>
 837                      </button>
 838                  <# } #>
 839              </p>
 840              <# if ( data.errors ) { #>
 841                  <ul class="bulk-action-errors hidden">
 842                      <# _.each( data.errorMessages, function( errorMessage ) { #>
 843                          <li>{{ errorMessage }}</li>
 844                      <# } ); #>
 845                  </ul>
 846              <# } #>
 847          </div>
 848      </script>
 849      <?php
 850  }
 851  
 852  /**
 853   * Prints the JavaScript templates for update and deletion rows in list tables.
 854   *
 855   * The update template takes one argument with four values:
 856   *
 857   *     param {object} data {
 858   *         Arguments for the update row
 859   *
 860   *         @type string slug    Plugin slug.
 861   *         @type string plugin  Plugin base name.
 862   *         @type string colspan The number of table columns this row spans.
 863   *         @type string content The row content.
 864   *     }
 865   *
 866   * The delete template takes one argument with four values:
 867   *
 868   *     param {object} data {
 869   *         Arguments for the update row
 870   *
 871   *         @type string slug    Plugin slug.
 872   *         @type string plugin  Plugin base name.
 873   *         @type string name    Plugin name.
 874   *         @type string colspan The number of table columns this row spans.
 875   *     }
 876   *
 877   * @since 4.6.0
 878   */
 879  function wp_print_update_row_templates() {
 880      ?>
 881      <script id="tmpl-item-update-row" type="text/template">
 882          <tr class="plugin-update-tr update" id="{{ data.slug }}-update" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
 883              <td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
 884                  {{{ data.content }}}
 885              </td>
 886          </tr>
 887      </script>
 888      <script id="tmpl-item-deleted-row" type="text/template">
 889          <tr class="plugin-deleted-tr inactive deleted" id="{{ data.slug }}-deleted" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
 890              <td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
 891                  <# if ( data.plugin ) { #>
 892                      <?php
 893                      printf(
 894                          /* translators: %s: Plugin name. */
 895                          _x( '%s was successfully deleted.', 'plugin' ),
 896                          '<strong>{{{ data.name }}}</strong>'
 897                      );
 898                      ?>
 899                  <# } else { #>
 900                      <?php
 901                      printf(
 902                          /* translators: %s: Theme name. */
 903                          _x( '%s was successfully deleted.', 'theme' ),
 904                          '<strong>{{{ data.name }}}</strong>'
 905                      );
 906                      ?>
 907                  <# } #>
 908              </td>
 909          </tr>
 910      </script>
 911      <?php
 912  }
 913  
 914  /**
 915   * Displays a notice when the user is in recovery mode.
 916   *
 917   * @since 5.2.0
 918   */
 919  function wp_recovery_mode_nag() {
 920      if ( ! wp_is_recovery_mode() ) {
 921          return;
 922      }
 923  
 924      $url = wp_login_url();
 925      $url = add_query_arg( 'action', WP_Recovery_Mode::EXIT_ACTION, $url );
 926      $url = wp_nonce_url( $url, WP_Recovery_Mode::EXIT_ACTION );
 927  
 928      ?>
 929      <div class="notice notice-info">
 930          <p>
 931              <?php
 932              printf(
 933                  /* translators: %s: Recovery Mode exit link. */
 934                  __( 'You are in recovery mode. This means there may be an error with a theme or plugin. To exit recovery mode, log out or use the Exit button. <a href="%s">Exit Recovery Mode</a>' ),
 935                  esc_url( $url )
 936              );
 937              ?>
 938          </p>
 939      </div>
 940      <?php
 941  }
 942  
 943  /**
 944   * Checks whether auto-updates are enabled.
 945   *
 946   * @since 5.5.0
 947   *
 948   * @param string $type The type of update being checked: 'theme' or 'plugin'.
 949   * @return bool True if auto-updates are enabled for `$type`, false otherwise.
 950   */
 951  function wp_is_auto_update_enabled_for_type( $type ) {
 952      switch ( $type ) {
 953          case 'plugin':
 954              /**
 955               * Filters whether plugins auto-update is enabled.
 956               *
 957               * @since 5.5.0
 958               *
 959               * @param bool $enabled True if plugins auto-update is enabled, false otherwise.
 960               */
 961              return apply_filters( 'plugins_auto_update_enabled', true );
 962          case 'theme':
 963              /**
 964               * Filters whether themes auto-update is enabled.
 965               *
 966               * @since 5.5.0
 967               *
 968               * @param bool $enabled True if themes auto-update is enabled, false otherwise.
 969               */
 970              return apply_filters( 'themes_auto_update_enabled', true );
 971      }
 972  
 973      return false;
 974  }
 975  
 976  /**
 977   * Determines the appropriate auto-update message to be displayed.
 978   *
 979   * @since 5.5.0
 980   *
 981   * @return string The update message to be shown.
 982   */
 983  function wp_get_auto_update_message() {
 984      $next_update_time = wp_next_scheduled( 'wp_version_check' );
 985  
 986      // Check if the event exists.
 987      if ( false === $next_update_time ) {
 988          $message = __( 'Automatic update not scheduled. There may be a problem with WP-Cron.' );
 989      } else {
 990          $time_to_next_update = human_time_diff( intval( $next_update_time ) );
 991  
 992          // See if cron is overdue.
 993          $overdue = ( time() - $next_update_time ) > 0;
 994  
 995          if ( $overdue ) {
 996              $message = sprintf(
 997                  /* translators: %s: Duration that WP-Cron has been overdue. */
 998                  __( 'Automatic update overdue by %s. There may be a problem with WP-Cron.' ),
 999                  $time_to_next_update
1000              );
1001          } else {
1002              $message = sprintf(
1003                  /* translators: %s: Time until the next update. */
1004                  __( 'Automatic update scheduled in %s.' ),
1005                  $time_to_next_update
1006              );
1007          }
1008      }
1009  
1010      return $message;
1011  }


Generated: Sun Jul 12 01:00:03 2020 Cross-referenced by PHPXref 0.7.1