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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  
  19      if ( ! is_array( $updates ) ) {
  20          return false;
  21      }
  22  
  23      if ( empty( $updates ) ) {
  24          return (object) array( 'response' => 'latest' );
  25      }
  26  
  27      return $updates[0];
  28  }
  29  
  30  /**
  31   * Gets available core updates.
  32   *
  33   * @since 2.7.0
  34   *
  35   * @param array $options Set $options['dismissed'] to true to show dismissed upgrades too,
  36   *                       set $options['available'] to false to skip not-dismissed updates.
  37   * @return array<object>|false Array of the update objects on success, false on failure.
  38   */
  39  function get_core_updates( $options = array() ) {
  40      $options = array_merge(
  41          array(
  42              'available' => true,
  43              'dismissed' => false,
  44          ),
  45          $options
  46      );
  47  
  48      $dismissed = get_site_option( 'dismissed_update_core' );
  49  
  50      if ( ! is_array( $dismissed ) ) {
  51          $dismissed = array();
  52      }
  53  
  54      $from_api = get_site_transient( 'update_core' );
  55  
  56      if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) ) {
  57          return false;
  58      }
  59  
  60      $updates = $from_api->updates;
  61      $result  = array();
  62  
  63      foreach ( $updates as $update ) {
  64          if ( 'autoupdate' === $update->response ) {
  65              continue;
  66          }
  67  
  68          if ( array_key_exists( $update->current . '|' . $update->locale, $dismissed ) ) {
  69              if ( $options['dismissed'] ) {
  70                  $update->dismissed = true;
  71                  $result[]          = $update;
  72              }
  73          } else {
  74              if ( $options['available'] ) {
  75                  $update->dismissed = false;
  76                  $result[]          = $update;
  77              }
  78          }
  79      }
  80  
  81      return $result;
  82  }
  83  
  84  /**
  85   * Gets the best available (and enabled) Auto-Update for WordPress core.
  86   *
  87   * 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.
  88   *
  89   * @since 3.7.0
  90   *
  91   * @return object|false The core update offering on success, false on failure.
  92   */
  93  function find_core_auto_update() {
  94      $updates = get_site_transient( 'update_core' );
  95  
  96      if ( ! $updates || empty( $updates->updates ) ) {
  97          return false;
  98      }
  99  
 100      require_once  ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
 101  
 102      $auto_update = false;
 103      $upgrader    = new WP_Automatic_Updater();
 104  
 105      foreach ( $updates->updates as $update ) {
 106          if ( 'autoupdate' !== $update->response ) {
 107              continue;
 108          }
 109  
 110          if ( ! $upgrader->should_update( 'core', $update, ABSPATH ) ) {
 111              continue;
 112          }
 113  
 114          if ( ! $auto_update || version_compare( $update->current, $auto_update->current, '>' ) ) {
 115              $auto_update = $update;
 116          }
 117      }
 118  
 119      return $auto_update;
 120  }
 121  
 122  /**
 123   * Gets and caches the checksums for the given version of WordPress.
 124   *
 125   * @since 3.7.0
 126   *
 127   * @param string $version Version string to query.
 128   * @param string $locale  Locale to query.
 129   * @return array<string, string>|false An array of checksums on success, false on failure.
 130   */
 131  function get_core_checksums( $version, $locale ) {
 132      $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), '', '&' );
 133      $url      = $http_url;
 134  
 135      $ssl = wp_http_supports( array( 'ssl' ) );
 136  
 137      if ( $ssl ) {
 138          $url = set_url_scheme( $url, 'https' );
 139      }
 140  
 141      $options = array(
 142          'timeout' => wp_doing_cron() ? 30 : 3,
 143      );
 144  
 145      $response = wp_remote_get( $url, $options );
 146  
 147      if ( $ssl && is_wp_error( $response ) ) {
 148          wp_trigger_error(
 149              __FUNCTION__,
 150              sprintf(
 151                  /* translators: %s: Support forums URL. */
 152                  __( '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>.' ),
 153                  __( 'https://wordpress.org/support/forums/' )
 154              ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
 155              headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
 156          );
 157  
 158          $response = wp_remote_get( $http_url, $options );
 159      }
 160  
 161      if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
 162          return false;
 163      }
 164  
 165      $body = trim( wp_remote_retrieve_body( $response ) );
 166      $body = json_decode( $body, true );
 167  
 168      if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) ) {
 169          return false;
 170      }
 171  
 172      return $body['checksums'];
 173  }
 174  
 175  /**
 176   * Dismisses core update.
 177   *
 178   * @since 2.7.0
 179   *
 180   * @param object $update
 181   * @return bool True if the option was updated, false otherwise.
 182   */
 183  function dismiss_core_update( $update ) {
 184      $dismissed = get_site_option( 'dismissed_update_core' );
 185      $dismissed[ $update->current . '|' . $update->locale ] = true;
 186  
 187      return update_site_option( 'dismissed_update_core', $dismissed );
 188  }
 189  
 190  /**
 191   * Undismisses core update.
 192   *
 193   * @since 2.7.0
 194   *
 195   * @param string $version
 196   * @param string $locale
 197   * @return bool True if the option was updated, false otherwise.
 198   */
 199  function undismiss_core_update( $version, $locale ) {
 200      $dismissed = get_site_option( 'dismissed_update_core' );
 201      $key       = $version . '|' . $locale;
 202  
 203      if ( ! isset( $dismissed[ $key ] ) ) {
 204          return false;
 205      }
 206  
 207      unset( $dismissed[ $key ] );
 208  
 209      return update_site_option( 'dismissed_update_core', $dismissed );
 210  }
 211  
 212  /**
 213   * Finds the available update for WordPress core.
 214   *
 215   * @since 2.7.0
 216   *
 217   * @param string $version Version string to find the update for.
 218   * @param string $locale  Locale to find the update for.
 219   * @return object|false The core update offering on success, false on failure.
 220   */
 221  function find_core_update( $version, $locale ) {
 222      $from_api = get_site_transient( 'update_core' );
 223  
 224      if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) ) {
 225          return false;
 226      }
 227  
 228      $updates = $from_api->updates;
 229  
 230      foreach ( $updates as $update ) {
 231          if ( $update->current === $version && $update->locale === $locale ) {
 232              return $update;
 233          }
 234      }
 235  
 236      return false;
 237  }
 238  
 239  /**
 240   * Returns core update footer message.
 241   *
 242   * @since 2.3.0
 243   *
 244   * @param string $msg
 245   * @return string The core update footer message.
 246   */
 247  function core_update_footer( $msg = '' ) {
 248      if ( ! current_user_can( 'update_core' ) ) {
 249          /* translators: %s: WordPress version. */
 250          return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
 251      }
 252  
 253      $cur = get_preferred_from_update_core();
 254  
 255      if ( ! is_object( $cur ) ) {
 256          $cur = new stdClass();
 257      }
 258  
 259      if ( ! isset( $cur->current ) ) {
 260          $cur->current = '';
 261      }
 262  
 263      if ( ! isset( $cur->response ) ) {
 264          $cur->response = '';
 265      }
 266  
 267      $is_development_version = preg_match( '/alpha|beta|RC/', wp_get_wp_version() );
 268  
 269      if ( $is_development_version ) {
 270          return sprintf(
 271              /* translators: 1: WordPress version number, 2: URL to WordPress Updates screen. */
 272              __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ),
 273              get_bloginfo( 'version', 'display' ),
 274              network_admin_url( 'update-core.php' )
 275          );
 276      }
 277  
 278      switch ( $cur->response ) {
 279          case 'upgrade':
 280              return sprintf(
 281                  '<strong><a href="%s">%s</a></strong>',
 282                  network_admin_url( 'update-core.php' ),
 283                  /* translators: %s: WordPress version. */
 284                  sprintf( __( 'Get Version %s' ), $cur->current )
 285              );
 286  
 287          case 'latest':
 288          default:
 289              /* translators: %s: WordPress version. */
 290              return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
 291      }
 292  }
 293  
 294  /**
 295   * Returns core update notification message.
 296   *
 297   * @since 2.3.0
 298   *
 299   * @global string $pagenow The filename of the current screen.
 300   * @return void|false Void on success, false if the update nag should not be displayed.
 301   */
 302  function update_nag() {
 303      global $pagenow;
 304  
 305      if ( is_multisite() && ! current_user_can( 'update_core' ) ) {
 306          return false;
 307      }
 308  
 309      if ( 'update-core.php' === $pagenow ) {
 310          return;
 311      }
 312  
 313      $cur = get_preferred_from_update_core();
 314  
 315      if ( ! isset( $cur->response ) || 'upgrade' !== $cur->response ) {
 316          return false;
 317      }
 318  
 319      $version_url = sprintf(
 320          /* translators: %s: WordPress version. */
 321          esc_url( __( 'https://wordpress.org/documentation/wordpress-version/version-%s/' ) ),
 322          sanitize_title( $cur->current )
 323      );
 324  
 325      if ( current_user_can( 'update_core' ) ) {
 326          $msg = sprintf(
 327              /* translators: 1: URL to WordPress release notes, 2: New WordPress version, 3: URL to network admin, 4: Accessibility text. */
 328              __( '<a href="%1$s">WordPress %2$s</a> is available! <a href="%3$s" aria-label="%4$s">Please update now</a>.' ),
 329              $version_url,
 330              $cur->current,
 331              network_admin_url( 'update-core.php' ),
 332              esc_attr__( 'Please update WordPress now' )
 333          );
 334      } else {
 335          $msg = sprintf(
 336              /* translators: 1: URL to WordPress release notes, 2: New WordPress version. */
 337              __( '<a href="%1$s">WordPress %2$s</a> is available! Please notify the site administrator.' ),
 338              $version_url,
 339              $cur->current
 340          );
 341      }
 342  
 343      wp_admin_notice(
 344          $msg,
 345          array(
 346              'type'               => 'warning',
 347              'additional_classes' => array( 'update-nag', 'inline' ),
 348              'paragraph_wrap'     => false,
 349          )
 350      );
 351  }
 352  
 353  /**
 354   * Displays WordPress version and active theme in the 'At a Glance' dashboard widget.
 355   *
 356   * @since 2.5.0
 357   */
 358  function update_right_now_message() {
 359      $theme_name = wp_get_theme();
 360  
 361      if ( current_user_can( 'switch_themes' ) ) {
 362          $theme_name = sprintf( '<a href="themes.php">%1$s</a>', $theme_name );
 363      }
 364  
 365      /* translators: 1: Version number, 2: Theme name. */
 366      $content = __( 'WordPress %1$s running %2$s theme.' );
 367  
 368      /**
 369       * Filters the text displayed in the 'At a Glance' dashboard widget.
 370       *
 371       * Prior to 3.8.0, the widget was named 'Right Now'.
 372       *
 373       * @since 4.4.0
 374       *
 375       * @param string $content Default text.
 376       */
 377      $content = apply_filters( 'update_right_now_text', $content );
 378  
 379      $msg = sprintf( '<span id="wp-version">' . $content . '</span>', get_bloginfo( 'version', 'display' ), $theme_name );
 380  
 381      if ( current_user_can( 'update_core' ) ) {
 382          $cur = get_preferred_from_update_core();
 383  
 384          if ( isset( $cur->response ) && 'upgrade' === $cur->response ) {
 385              $msg .= sprintf(
 386                  '<a href="%s" class="button" aria-describedby="wp-version">%s</a>',
 387                  network_admin_url( 'update-core.php' ),
 388                  /* translators: %s: WordPress version number, or 'Latest' string. */
 389                  sprintf( __( 'Update to %s' ), $cur->current ? $cur->current : __( 'Latest' ) )
 390              );
 391          }
 392      }
 393  
 394      echo "<p id='wp-version-message'>$msg</p>";
 395  }
 396  
 397  /**
 398   * Retrieves plugins with updates available.
 399   *
 400   * @since 2.9.0
 401   *
 402   * @return array<string, object> Array of plugin objects with available updates.
 403   */
 404  function get_plugin_updates() {
 405      $all_plugins     = get_plugins();
 406      $upgrade_plugins = array();
 407      $current         = get_site_transient( 'update_plugins' );
 408  
 409      foreach ( (array) $all_plugins as $plugin_file => $plugin_data ) {
 410          if ( isset( $current->response[ $plugin_file ] ) ) {
 411              $upgrade_plugins[ $plugin_file ]         = (object) $plugin_data;
 412              $upgrade_plugins[ $plugin_file ]->update = $current->response[ $plugin_file ];
 413          }
 414      }
 415  
 416      return $upgrade_plugins;
 417  }
 418  
 419  /**
 420   * Adds a callback to display update information for plugins with updates available.
 421   *
 422   * @since 2.9.0
 423   */
 424  function wp_plugin_update_rows() {
 425      if ( ! current_user_can( 'update_plugins' ) ) {
 426          return;
 427      }
 428  
 429      $plugins = get_site_transient( 'update_plugins' );
 430  
 431      if ( isset( $plugins->response ) && is_array( $plugins->response ) ) {
 432          $plugins = array_keys( $plugins->response );
 433  
 434          foreach ( $plugins as $plugin_file ) {
 435              add_action( "after_plugin_row_{$plugin_file}", 'wp_plugin_update_row', 10, 2 );
 436          }
 437      }
 438  }
 439  
 440  /**
 441   * Displays update information for a plugin.
 442   *
 443   * @since 2.3.0
 444   *
 445   * @param string $file        Plugin basename.
 446   * @param array  $plugin_data Plugin information.
 447   * @return void|false Void on success, false if the plugin update is not available.
 448   */
 449  function wp_plugin_update_row( $file, $plugin_data ) {
 450      $current = get_site_transient( 'update_plugins' );
 451  
 452      if ( ! isset( $current->response[ $file ] ) ) {
 453          return false;
 454      }
 455  
 456      $response = $current->response[ $file ];
 457  
 458      $plugins_allowedtags = array(
 459          'a'       => array(
 460              'href'  => array(),
 461              'title' => array(),
 462          ),
 463          'abbr'    => array( 'title' => array() ),
 464          'acronym' => array( 'title' => array() ),
 465          'code'    => array(),
 466          'em'      => array(),
 467          'strong'  => array(),
 468      );
 469  
 470      $plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags );
 471      $plugin_slug = $response->slug ?? $response->id;
 472  
 473      if ( isset( $response->slug ) ) {
 474          $details_url = self_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $plugin_slug . '&section=changelog' );
 475      } elseif ( isset( $response->url ) ) {
 476          $details_url = $response->url;
 477      } else {
 478          $details_url = $plugin_data['PluginURI'];
 479      }
 480  
 481      $details_url = add_query_arg(
 482          array(
 483              'TB_iframe' => 'true',
 484              'width'     => 600,
 485              'height'    => 800,
 486          ),
 487          $details_url
 488      );
 489  
 490      /** @var WP_Plugins_List_Table $wp_list_table */
 491      $wp_list_table = _get_list_table(
 492          'WP_Plugins_List_Table',
 493          array(
 494              'screen' => get_current_screen(),
 495          )
 496      );
 497  
 498      if ( is_network_admin() || ! is_multisite() ) {
 499          if ( is_network_admin() ) {
 500              $active_class = is_plugin_active_for_network( $file ) ? ' active' : '';
 501          } else {
 502              $active_class = is_plugin_active( $file ) ? ' active' : '';
 503          }
 504  
 505          $requires_php   = $response->requires_php ?? null;
 506          $compatible_php = is_php_version_compatible( $requires_php );
 507          $notice_type    = $compatible_php ? 'notice-warning' : 'notice-error';
 508  
 509          printf(
 510              '<tr class="plugin-update-tr%s" id="%s" data-slug="%s" data-plugin="%s">' .
 511              '<td colspan="%s" class="plugin-update colspanchange">' .
 512              '<div class="update-message notice inline %s notice-alt"><p>',
 513              $active_class,
 514              esc_attr( $plugin_slug . '-update' ),
 515              esc_attr( $plugin_slug ),
 516              esc_attr( $file ),
 517              esc_attr( $wp_list_table->get_column_count() ),
 518              $notice_type
 519          );
 520  
 521          if ( ! current_user_can( 'update_plugins' ) ) {
 522              printf(
 523                  /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 524                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ),
 525                  $plugin_name,
 526                  esc_url( $details_url ),
 527                  sprintf(
 528                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 529                      /* translators: 1: Plugin name, 2: Version number. */
 530                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 531                  ),
 532                  esc_attr( $response->new_version )
 533              );
 534          } elseif ( empty( $response->package ) ) {
 535              printf(
 536                  /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 537                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this plugin.</em>' ),
 538                  $plugin_name,
 539                  esc_url( $details_url ),
 540                  sprintf(
 541                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 542                      /* translators: 1: Plugin name, 2: Version number. */
 543                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 544                  ),
 545                  esc_attr( $response->new_version )
 546              );
 547          } else {
 548              if ( $compatible_php ) {
 549                  printf(
 550                      /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number, 5: Update URL, 6: Additional link attributes. */
 551                      __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ),
 552                      $plugin_name,
 553                      esc_url( $details_url ),
 554                      sprintf(
 555                          'class="thickbox open-plugin-details-modal" aria-label="%s"',
 556                          /* translators: 1: Plugin name, 2: Version number. */
 557                          esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 558                      ),
 559                      esc_attr( $response->new_version ),
 560                      wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $file, 'upgrade-plugin_' . $file ),
 561                      sprintf(
 562                          'class="update-link" aria-label="%s"',
 563                          /* translators: %s: Plugin name. */
 564                          esc_attr( sprintf( _x( 'Update %s now', 'plugin' ), $plugin_name ) )
 565                      )
 566                  );
 567              } else {
 568                  printf(
 569                      /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number 5: URL to Update PHP page. */
 570                      __( 'There is a new version of %1$s available, but it does not 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>.' ),
 571                      $plugin_name,
 572                      esc_url( $details_url ),
 573                      sprintf(
 574                          'class="thickbox open-plugin-details-modal" aria-label="%s"',
 575                          /* translators: 1: Plugin name, 2: Version number. */
 576                          esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 577                      ),
 578                      esc_attr( $response->new_version ),
 579                      esc_url( wp_get_update_php_url() )
 580                  );
 581                  wp_update_php_annotation( '<br><em>', '</em>' );
 582              }
 583          }
 584  
 585          /**
 586           * Fires at the end of the update message container in each
 587           * row of the plugins list table.
 588           *
 589           * The dynamic portion of the hook name, `$file`, refers to the path
 590           * of the plugin's primary file relative to the plugins directory.
 591           *
 592           * @since 2.8.0
 593           *
 594           * @param array  $plugin_data An array of plugin metadata. See get_plugin_data()
 595           *                            and the {@see 'plugin_row_meta'} filter for the list
 596           *                            of possible values.
 597           * @param object $response {
 598           *     An object of metadata about the available plugin update.
 599           *
 600           *     @type string   $id           Plugin ID, e.g. `w.org/plugins/[plugin-name]`.
 601           *     @type string   $slug         Plugin slug.
 602           *     @type string   $plugin       Plugin basename.
 603           *     @type string   $new_version  New plugin version.
 604           *     @type string   $url          Plugin URL.
 605           *     @type string   $package      Plugin update package URL.
 606           *     @type string[] $icons        An array of plugin icon URLs.
 607           *     @type string[] $banners      An array of plugin banner URLs.
 608           *     @type string[] $banners_rtl  An array of plugin RTL banner URLs.
 609           *     @type string   $requires     The version of WordPress which the plugin requires.
 610           *     @type string   $tested       The version of WordPress the plugin is tested against.
 611           *     @type string   $requires_php The version of PHP which the plugin requires.
 612           * }
 613           */
 614          do_action( "in_plugin_update_message-{$file}", $plugin_data, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 615  
 616          echo '</p></div></td></tr>';
 617      }
 618  }
 619  
 620  /**
 621   * Retrieves themes with updates available.
 622   *
 623   * @since 2.9.0
 624   *
 625   * @return array<string, WP_Theme> Array of theme objects with available updates.
 626   */
 627  function get_theme_updates() {
 628      $current = get_site_transient( 'update_themes' );
 629  
 630      if ( ! isset( $current->response ) ) {
 631          return array();
 632      }
 633  
 634      $update_themes = array();
 635  
 636      foreach ( $current->response as $stylesheet => $data ) {
 637          $update_themes[ $stylesheet ]         = wp_get_theme( $stylesheet );
 638          $update_themes[ $stylesheet ]->update = $data;
 639      }
 640  
 641      return $update_themes;
 642  }
 643  
 644  /**
 645   * Adds a callback to display update information for themes with updates available.
 646   *
 647   * @since 3.1.0
 648   */
 649  function wp_theme_update_rows() {
 650      if ( ! current_user_can( 'update_themes' ) ) {
 651          return;
 652      }
 653  
 654      $themes = get_site_transient( 'update_themes' );
 655  
 656      if ( isset( $themes->response ) && is_array( $themes->response ) ) {
 657          $themes = array_keys( $themes->response );
 658  
 659          foreach ( $themes as $theme ) {
 660              add_action( "after_theme_row_{$theme}", 'wp_theme_update_row', 10, 2 );
 661          }
 662      }
 663  }
 664  
 665  /**
 666   * Displays update information for a theme.
 667   *
 668   * @since 3.1.0
 669   *
 670   * @param string   $theme_key Theme stylesheet.
 671   * @param WP_Theme $theme     Theme object.
 672   * @return void|false Void on success, false if the theme update is not available.
 673   */
 674  function wp_theme_update_row( $theme_key, $theme ) {
 675      $current = get_site_transient( 'update_themes' );
 676  
 677      if ( ! isset( $current->response[ $theme_key ] ) ) {
 678          return false;
 679      }
 680  
 681      $response = $current->response[ $theme_key ];
 682  
 683      $details_url = add_query_arg(
 684          array(
 685              'TB_iframe' => 'true',
 686              'width'     => 1024,
 687              'height'    => 800,
 688          ),
 689          $current->response[ $theme_key ]['url']
 690      );
 691  
 692      /** @var WP_MS_Themes_List_Table $wp_list_table */
 693      $wp_list_table = _get_list_table( 'WP_MS_Themes_List_Table' );
 694  
 695      $active = $theme->is_allowed( 'network' ) ? ' active' : '';
 696  
 697      $requires_wp  = $response['requires'] ?? null;
 698      $requires_php = $response['requires_php'] ?? null;
 699  
 700      $compatible_wp  = is_wp_version_compatible( $requires_wp );
 701      $compatible_php = is_php_version_compatible( $requires_php );
 702  
 703      printf(
 704          '<tr class="plugin-update-tr%s" id="%s" data-slug="%s">' .
 705          '<td colspan="%s" class="plugin-update colspanchange">' .
 706          '<div class="update-message notice inline notice-warning notice-alt"><p>',
 707          $active,
 708          esc_attr( $theme->get_stylesheet() . '-update' ),
 709          esc_attr( $theme->get_stylesheet() ),
 710          $wp_list_table->get_column_count()
 711      );
 712  
 713      if ( $compatible_wp && $compatible_php ) {
 714          if ( ! current_user_can( 'update_themes' ) ) {
 715              printf(
 716                  /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 717                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ),
 718                  $theme['Name'],
 719                  esc_url( $details_url ),
 720                  sprintf(
 721                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 722                      /* translators: 1: Theme name, 2: Version number. */
 723                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 724                  ),
 725                  $response['new_version']
 726              );
 727          } elseif ( empty( $response['package'] ) ) {
 728              printf(
 729                  /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 730                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ),
 731                  $theme['Name'],
 732                  esc_url( $details_url ),
 733                  sprintf(
 734                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 735                      /* translators: 1: Theme name, 2: Version number. */
 736                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 737                  ),
 738                  $response['new_version']
 739              );
 740          } else {
 741              printf(
 742                  /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number, 5: Update URL, 6: Additional link attributes. */
 743                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ),
 744                  $theme['Name'],
 745                  esc_url( $details_url ),
 746                  sprintf(
 747                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 748                      /* translators: 1: Theme name, 2: Version number. */
 749                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 750                  ),
 751                  $response['new_version'],
 752                  wp_nonce_url( self_admin_url( 'update.php?action=upgrade-theme&theme=' ) . $theme_key, 'upgrade-theme_' . $theme_key ),
 753                  sprintf(
 754                      'class="update-link" aria-label="%s"',
 755                      /* translators: %s: Theme name. */
 756                      esc_attr( sprintf( _x( 'Update %s now', 'theme' ), $theme['Name'] ) )
 757                  )
 758              );
 759          }
 760      } else {
 761          if ( ! $compatible_wp && ! $compatible_php ) {
 762              printf(
 763                  /* translators: %s: Theme name. */
 764                  __( 'There is a new version of %s available, but it does not work with your versions of WordPress and PHP.' ),
 765                  $theme['Name']
 766              );
 767              if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) {
 768                  printf(
 769                      /* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */
 770                      ' ' . __( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ),
 771                      self_admin_url( 'update-core.php' ),
 772                      esc_url( wp_get_update_php_url() )
 773                  );
 774                  wp_update_php_annotation( '</p><p><em>', '</em>' );
 775              } elseif ( current_user_can( 'update_core' ) ) {
 776                  printf(
 777                      /* translators: %s: URL to WordPress Updates screen. */
 778                      ' ' . __( '<a href="%s">Please update WordPress</a>.' ),
 779                      self_admin_url( 'update-core.php' )
 780                  );
 781              } elseif ( current_user_can( 'update_php' ) ) {
 782                  printf(
 783                      /* translators: %s: URL to Update PHP page. */
 784                      ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ),
 785                      esc_url( wp_get_update_php_url() )
 786                  );
 787                  wp_update_php_annotation( '</p><p><em>', '</em>' );
 788              }
 789          } elseif ( ! $compatible_wp ) {
 790              printf(
 791                  /* translators: %s: Theme name. */
 792                  __( 'There is a new version of %s available, but it does not work with your version of WordPress.' ),
 793                  $theme['Name']
 794              );
 795              if ( current_user_can( 'update_core' ) ) {
 796                  printf(
 797                      /* translators: %s: URL to WordPress Updates screen. */
 798                      ' ' . __( '<a href="%s">Please update WordPress</a>.' ),
 799                      self_admin_url( 'update-core.php' )
 800                  );
 801              }
 802          } elseif ( ! $compatible_php ) {
 803              printf(
 804                  /* translators: %s: Theme name. */
 805                  __( 'There is a new version of %s available, but it does not work with your version of PHP.' ),
 806                  $theme['Name']
 807              );
 808              if ( current_user_can( 'update_php' ) ) {
 809                  printf(
 810                      /* translators: %s: URL to Update PHP page. */
 811                      ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ),
 812                      esc_url( wp_get_update_php_url() )
 813                  );
 814                  wp_update_php_annotation( '</p><p><em>', '</em>' );
 815              }
 816          }
 817      }
 818  
 819      /**
 820       * Fires at the end of the update message container in each
 821       * row of the themes list table.
 822       *
 823       * The dynamic portion of the hook name, `$theme_key`, refers to
 824       * the theme slug as found in the WordPress.org themes repository.
 825       *
 826       * @since 3.1.0
 827       *
 828       * @param WP_Theme $theme    The WP_Theme object.
 829       * @param array    $response {
 830       *     An array of metadata about the available theme update.
 831       *
 832       *     @type string $new_version New theme version.
 833       *     @type string $url         Theme URL.
 834       *     @type string $package     Theme update package URL.
 835       * }
 836       */
 837      do_action( "in_theme_update_message-{$theme_key}", $theme, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 838  
 839      echo '</p></div></td></tr>';
 840  }
 841  
 842  /**
 843   * Displays maintenance nag HTML message.
 844   *
 845   * @since 2.7.0
 846   *
 847   * @global int $upgrading
 848   *
 849   * @return void|false Void on success, false if the maintenance nag should not be displayed.
 850   */
 851  function maintenance_nag() {
 852      global $upgrading;
 853  
 854      $nag = isset( $upgrading );
 855  
 856      if ( ! $nag ) {
 857          $failed = get_site_option( 'auto_core_update_failed' );
 858          /*
 859           * If an update failed critically, we may have copied over version.php but not other files.
 860           * In that case, if the installation claims we're running the version we attempted, nag.
 861           * This is serious enough to err on the side of nagging.
 862           *
 863           * If we simply failed to update before we tried to copy any files, then assume things are
 864           * OK if they are now running the latest.
 865           *
 866           * This flag is cleared whenever a successful update occurs using Core_Upgrader.
 867           */
 868          $comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
 869          if ( isset( $failed['attempted'] ) && version_compare( $failed['attempted'], wp_get_wp_version(), $comparison ) ) {
 870              $nag = true;
 871          }
 872      }
 873  
 874      if ( ! $nag ) {
 875          return false;
 876      }
 877  
 878      if ( current_user_can( 'update_core' ) ) {
 879          $msg = sprintf(
 880              /* translators: %s: URL to WordPress Updates screen. */
 881              __( 'An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.' ),
 882              'update-core.php'
 883          );
 884      } else {
 885          $msg = __( 'An automated WordPress update has failed to complete! Please notify the site administrator.' );
 886      }
 887  
 888      wp_admin_notice(
 889          $msg,
 890          array(
 891              'type'               => 'warning',
 892              'additional_classes' => array( 'update-nag', 'inline' ),
 893              'paragraph_wrap'     => false,
 894          )
 895      );
 896  }
 897  
 898  /**
 899   * Prints the JavaScript templates for update admin notices.
 900   *
 901   * @since 4.6.0
 902   *
 903   * Template takes one argument with four values:
 904   *
 905   *     param {object} data {
 906   *         Arguments for admin notice.
 907   *
 908   *         @type string id        ID of the notice.
 909   *         @type string className Class names for the notice.
 910   *         @type string message   The notice's message.
 911   *         @type string type      The type of update the notice is for. Either 'plugin' or 'theme'.
 912   *     }
 913   */
 914  function wp_print_admin_notice_templates() {
 915      ?>
 916      <script id="tmpl-wp-updates-admin-notice" type="text/html">
 917          <div <# if ( data.id ) { #>id="{{ data.id }}"<# } #> class="notice {{ data.className }}"><p>{{{ data.message }}}</p></div>
 918      </script>
 919      <script id="tmpl-wp-bulk-updates-admin-notice" type="text/html">
 920          <div id="{{ data.id }}" class="{{ data.className }} notice <# if ( data.errorMessage ) { #>notice-error<# } else { #>notice-success<# } #>">
 921              <p>
 922                  <# if ( data.successMessage ) { #>
 923                      {{{ data.successMessage }}}
 924                  <# } #>
 925                  <# if ( data.errorMessage ) { #>
 926                      <button class="button-link bulk-action-errors-collapsed" aria-expanded="false">
 927                          {{{ data.errorMessage }}}
 928                          <span class="screen-reader-text">
 929                              <?php
 930                              /* translators: Hidden accessibility text. */
 931                              _e( 'Show more details' );
 932                              ?>
 933                          </span>
 934                          <span class="toggle-indicator" aria-hidden="true"></span>
 935                      </button>
 936                  <# } #>
 937              </p>
 938              <# if ( data.errorMessages ) { #>
 939                  <ul class="bulk-action-errors hidden">
 940                      <# _.each( data.errorMessages, function( errorMessage ) { #>
 941                          <li>{{ errorMessage }}</li>
 942                      <# } ); #>
 943                  </ul>
 944              <# } #>
 945          </div>
 946      </script>
 947      <?php
 948  }
 949  
 950  /**
 951   * Prints the JavaScript templates for update and deletion rows in list tables.
 952   *
 953   * @since 4.6.0
 954   *
 955   * The update template takes one argument with four values:
 956   *
 957   *     param {object} data {
 958   *         Arguments for the update row
 959   *
 960   *         @type string slug    Plugin slug.
 961   *         @type string plugin  Plugin base name.
 962   *         @type string colspan The number of table columns this row spans.
 963   *         @type string content The row content.
 964   *     }
 965   *
 966   * The delete template takes one argument with four values:
 967   *
 968   *     param {object} data {
 969   *         Arguments for the update row
 970   *
 971   *         @type string slug    Plugin slug.
 972   *         @type string plugin  Plugin base name.
 973   *         @type string name    Plugin name.
 974   *         @type string colspan The number of table columns this row spans.
 975   *     }
 976   */
 977  function wp_print_update_row_templates() {
 978      ?>
 979      <script id="tmpl-item-update-row" type="text/template">
 980          <tr class="plugin-update-tr update" id="{{ data.slug }}-update" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
 981              <td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
 982                  {{{ data.content }}}
 983              </td>
 984          </tr>
 985      </script>
 986      <script id="tmpl-item-deleted-row" type="text/template">
 987          <tr class="plugin-deleted-tr inactive deleted" id="{{ data.slug }}-deleted" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
 988              <td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
 989                  <# if ( data.plugin ) { #>
 990                      <?php
 991                      printf(
 992                          /* translators: %s: Plugin name. */
 993                          _x( '%s was successfully deleted.', 'plugin' ),
 994                          '<strong>{{{ data.name }}}</strong>'
 995                      );
 996                      ?>
 997                  <# } else { #>
 998                      <?php
 999                      printf(
1000                          /* translators: %s: Theme name. */
1001                          _x( '%s was successfully deleted.', 'theme' ),
1002                          '<strong>{{{ data.name }}}</strong>'
1003                      );
1004                      ?>
1005                  <# } #>
1006              </td>
1007          </tr>
1008      </script>
1009      <?php
1010  }
1011  
1012  /**
1013   * Displays a notice when the user is in recovery mode.
1014   *
1015   * @since 5.2.0
1016   */
1017  function wp_recovery_mode_nag() {
1018      if ( ! wp_is_recovery_mode() ) {
1019          return;
1020      }
1021  
1022      $url = wp_login_url();
1023      $url = add_query_arg( 'action', WP_Recovery_Mode::EXIT_ACTION, $url );
1024      $url = wp_nonce_url( $url, WP_Recovery_Mode::EXIT_ACTION );
1025  
1026      $message = sprintf(
1027          /* translators: %s: Recovery Mode exit link. */
1028          __( '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>' ),
1029          esc_url( $url )
1030      );
1031      wp_admin_notice( $message, array( 'type' => 'info' ) );
1032  }
1033  
1034  /**
1035   * Checks whether auto-updates are enabled.
1036   *
1037   * @since 5.5.0
1038   *
1039   * @param string $type The type of update being checked: Either 'theme' or 'plugin'.
1040   * @return bool True if auto-updates are enabled for `$type`, false otherwise.
1041   */
1042  function wp_is_auto_update_enabled_for_type( $type ) {
1043      if ( ! class_exists( 'WP_Automatic_Updater' ) ) {
1044          require_once  ABSPATH . 'wp-admin/includes/class-wp-automatic-updater.php';
1045      }
1046  
1047      $updater = new WP_Automatic_Updater();
1048      $enabled = ! $updater->is_disabled();
1049  
1050      switch ( $type ) {
1051          case 'plugin':
1052              /**
1053               * Filters whether plugins auto-update is enabled.
1054               *
1055               * @since 5.5.0
1056               *
1057               * @param bool $enabled True if plugins auto-update is enabled, false otherwise.
1058               */
1059              return apply_filters( 'plugins_auto_update_enabled', $enabled );
1060          case 'theme':
1061              /**
1062               * Filters whether themes auto-update is enabled.
1063               *
1064               * @since 5.5.0
1065               *
1066               * @param bool $enabled True if themes auto-update is enabled, false otherwise.
1067               */
1068              return apply_filters( 'themes_auto_update_enabled', $enabled );
1069      }
1070  
1071      return false;
1072  }
1073  
1074  /**
1075   * Checks whether auto-updates are forced for an item.
1076   *
1077   * @since 5.6.0
1078   *
1079   * @param string    $type   The type of update being checked: Either 'theme' or 'plugin'.
1080   * @param bool|null $update Whether to update. The value of null is internally used
1081   *                          to detect whether nothing has hooked into this filter.
1082   * @param object    $item   The update offer.
1083   * @return bool True if auto-updates are forced for `$item`, false otherwise.
1084   */
1085  function wp_is_auto_update_forced_for_item( $type, $update, $item ) {
1086      /** This filter is documented in wp-admin/includes/class-wp-automatic-updater.php */
1087      return apply_filters( "auto_update_{$type}", $update, $item );
1088  }
1089  
1090  /**
1091   * Determines the appropriate auto-update message to be displayed.
1092   *
1093   * @since 5.5.0
1094   *
1095   * @return string The update message to be shown.
1096   */
1097  function wp_get_auto_update_message() {
1098      $next_update_time = wp_next_scheduled( 'wp_version_check' );
1099  
1100      // Check if the event exists.
1101      if ( false === $next_update_time ) {
1102          $message = __( 'Automatic update not scheduled. There may be a problem with WP-Cron.' );
1103      } else {
1104          $time_to_next_update = human_time_diff( (int) $next_update_time );
1105  
1106          // See if cron is overdue.
1107          $overdue = ( time() - $next_update_time ) > 0;
1108  
1109          if ( $overdue ) {
1110              $message = sprintf(
1111                  /* translators: %s: Duration that WP-Cron has been overdue. */
1112                  __( 'Automatic update overdue by %s. There may be a problem with WP-Cron.' ),
1113                  $time_to_next_update
1114              );
1115          } else {
1116              $message = sprintf(
1117                  /* translators: %s: Time until the next update. */
1118                  __( 'Automatic update scheduled in %s.' ),
1119                  $time_to_next_update
1120              );
1121          }
1122      }
1123  
1124      return $message;
1125  }


Generated : Fri Jul 31 08:20:18 2026 Cross-referenced by PHPXref