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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   * Gets plugin names for translation updates.
 646   *
 647   * @since 7.2.0
 648   *
 649   * @return string[] Plugin names keyed by plugin file, directory, basename, and slug.
 650   */
 651  function wp_get_translation_update_plugin_names() {
 652      require_once  ABSPATH . 'wp-admin/includes/plugin.php';
 653  
 654      $plugin_names  = array();
 655      $all_plugins   = get_plugins();
 656      $plugin_update = get_site_transient( 'update_plugins' );
 657  
 658      if ( is_object( $plugin_update ) ) {
 659          $plugin_updates = array();
 660  
 661          if ( ! empty( $plugin_update->response ) && is_array( $plugin_update->response ) ) {
 662              $plugin_updates = array_merge( $plugin_updates, $plugin_update->response );
 663          }
 664  
 665          if ( ! empty( $plugin_update->no_update ) && is_array( $plugin_update->no_update ) ) {
 666              $plugin_updates = array_merge( $plugin_updates, $plugin_update->no_update );
 667          }
 668  
 669          foreach ( $plugin_updates as $plugin_file => $plugin_data ) {
 670              $plugin_data = (object) $plugin_data;
 671  
 672              if ( ! empty( $plugin_data->slug ) && ! empty( $all_plugins[ $plugin_file ]['Name'] ) ) {
 673                  $plugin_names[ $plugin_data->slug ] = $all_plugins[ $plugin_file ]['Name'];
 674              }
 675          }
 676      }
 677  
 678      foreach ( $all_plugins as $plugin_file => $plugin_data ) {
 679          $plugin_basename = dirname( $plugin_file );
 680  
 681          if ( isset( $plugin_data['Name'] ) ) {
 682              $plugin_names[ $plugin_file ]                     = $plugin_data['Name'];
 683              $plugin_names[ basename( $plugin_file, '.php' ) ] = $plugin_data['Name'];
 684  
 685              if ( '.' !== $plugin_basename ) {
 686                  $plugin_names[ $plugin_basename ] = $plugin_data['Name'];
 687              }
 688          }
 689      }
 690  
 691      return $plugin_names;
 692  }
 693  
 694  /**
 695   * Gets the display name for a translation update.
 696   *
 697   * @since 7.2.0
 698   *
 699   * @param object        $update       Translation update object.
 700   * @param string[]|null $plugin_names Optional. Plugin names keyed by plugin file, directory,
 701   *                                    basename, and slug. Default null.
 702   * @return string The translation update name.
 703   */
 704  function wp_get_translation_update_name( $update, $plugin_names = null ) {
 705      $type = isset( $update->type ) ? $update->type : '';
 706      $slug = isset( $update->slug ) ? $update->slug : '';
 707  
 708      switch ( $type ) {
 709          case 'core':
 710              return 'WordPress'; // Not translated.
 711  
 712          case 'theme':
 713              $theme = wp_get_theme( $slug );
 714              if ( $theme->exists() ) {
 715                  return $theme->get( 'Name' );
 716              }
 717              break;
 718  
 719          case 'plugin':
 720              if ( null === $plugin_names ) {
 721                  $plugin_names = wp_get_translation_update_plugin_names();
 722              }
 723  
 724              if ( ! empty( $plugin_names[ $slug ] ) ) {
 725                  return $plugin_names[ $slug ];
 726              }
 727              break;
 728      }
 729  
 730      return $slug;
 731  }
 732  
 733  /**
 734   * Gets the display language for a translation update.
 735   *
 736   * @since 7.2.0
 737   *
 738   * @param string $locale Translation update locale.
 739   * @return string The translation update language.
 740   */
 741  function wp_get_translation_update_language( $locale ) {
 742      $translations = get_site_transient( 'available_translations' );
 743  
 744      if ( is_array( $translations ) && ! empty( $translations[ $locale ]['native_name'] ) ) {
 745          return sprintf(
 746              /* translators: 1: Native language name, 2: Locale. */
 747              __( '%1$s (%2$s)' ),
 748              $translations[ $locale ]['native_name'],
 749              $locale
 750          );
 751      }
 752  
 753      return $locale;
 754  }
 755  
 756  /**
 757   * Gets display data for available translation updates.
 758   *
 759   * @since 7.2.0
 760   *
 761   * @return array[] {
 762   *     An array of translation update display data.
 763   *
 764   *     @type bool   $checked       Whether the translation update is selected for installation.
 765   *     @type bool   $deferred      Whether the translation update has been deferred.
 766   *     @type string $id            Translation update identifier.
 767   *     @type string $language      Translation update language.
 768   *     @type string $language_code Translation update locale.
 769   *     @type string $name          Translation update name.
 770   *     @type string $slug          Translation update slug.
 771   *     @type string $type          Translation update type.
 772   *     @type string $version       Translation update version.
 773   * }
 774   */
 775  function wp_get_translation_update_data() {
 776      $available_updates            = wp_get_translation_updates();
 777      $deferred_translation_updates = wp_get_deferred_translation_updates( $available_updates );
 778      $plugin_names                 = null;
 779      $translation_updates          = array();
 780  
 781      foreach ( $available_updates as $update ) {
 782          $translation_update_id = wp_get_translation_update_id( $update );
 783          $language              = isset( $update->language ) ? $update->language : '';
 784          $type                  = isset( $update->type ) ? $update->type : '';
 785          $deferred              = isset( $deferred_translation_updates[ $translation_update_id ] );
 786  
 787          if ( 'plugin' === $type && null === $plugin_names ) {
 788              $plugin_names = wp_get_translation_update_plugin_names();
 789          }
 790  
 791          $translation_updates[] = array(
 792              'checked'       => ! $deferred,
 793              'deferred'      => $deferred,
 794              'id'            => $translation_update_id,
 795              'language'      => wp_get_translation_update_language( $language ),
 796              'language_code' => $language,
 797              'name'          => wp_get_translation_update_name( $update, $plugin_names ),
 798              'slug'          => isset( $update->slug ) ? $update->slug : '',
 799              'type'          => $type,
 800              'version'       => isset( $update->version ) ? $update->version : '',
 801          );
 802      }
 803  
 804      return $translation_updates;
 805  }
 806  
 807  /**
 808   * Processes a translation update selection and stores the deferred updates.
 809   *
 810   * Only currently available updates included in the submitted form can be selected
 811   * or deferred. Previously deferred updates outside the form remain deferred, while
 812   * newly available updates outside the form are left unchanged.
 813   *
 814   * The caller must check capabilities and the nonce before calling this function.
 815   *
 816   * @since 7.2.0
 817   *
 818   * @param string[] $translation_update_ids          Sanitized identifiers of updates included in the form.
 819   * @param string[] $selected_translation_update_ids Sanitized identifiers of selected updates.
 820   * @return object[]|false Selected current translation updates keyed by identifier, an empty array
 821   *                        if all updates in the form were deferred, or false if the form contains
 822   *                        no currently available updates. On false, stored deferrals are unchanged.
 823   */
 824  function wp_process_translation_update_selection( $translation_update_ids, $selected_translation_update_ids ) {
 825      if ( empty( $translation_update_ids ) ) {
 826          return false;
 827      }
 828  
 829      $current_translation_updates = wp_get_translation_updates_by_id();
 830      $translation_updates         = array_intersect_key( $current_translation_updates, array_flip( $translation_update_ids ) );
 831  
 832      if ( empty( $translation_updates ) ) {
 833          return false;
 834      }
 835  
 836      $selected_translation_updates  = array_intersect_key( $translation_updates, array_flip( $selected_translation_update_ids ) );
 837      $deferred_translation_updates  = array_intersect_key(
 838          $current_translation_updates,
 839          wp_get_deferred_translation_updates()
 840      );
 841      $deferred_translation_updates  = array_diff_key( $deferred_translation_updates, $translation_updates );
 842      $deferred_translation_updates += array_diff_key( $translation_updates, $selected_translation_updates );
 843  
 844      wp_set_deferred_translation_updates( $deferred_translation_updates );
 845  
 846      return $selected_translation_updates;
 847  }
 848  
 849  /**
 850   * Adds a callback to display update information for themes with updates available.
 851   *
 852   * @since 3.1.0
 853   */
 854  function wp_theme_update_rows() {
 855      if ( ! current_user_can( 'update_themes' ) ) {
 856          return;
 857      }
 858  
 859      $themes = get_site_transient( 'update_themes' );
 860  
 861      if ( isset( $themes->response ) && is_array( $themes->response ) ) {
 862          $themes = array_keys( $themes->response );
 863  
 864          foreach ( $themes as $theme ) {
 865              add_action( "after_theme_row_{$theme}", 'wp_theme_update_row', 10, 2 );
 866          }
 867      }
 868  }
 869  
 870  /**
 871   * Displays update information for a theme.
 872   *
 873   * @since 3.1.0
 874   *
 875   * @param string   $theme_key Theme stylesheet.
 876   * @param WP_Theme $theme     Theme object.
 877   * @return void|false Void on success, false if the theme update is not available.
 878   */
 879  function wp_theme_update_row( $theme_key, $theme ) {
 880      $current = get_site_transient( 'update_themes' );
 881  
 882      if ( ! isset( $current->response[ $theme_key ] ) ) {
 883          return false;
 884      }
 885  
 886      $response = $current->response[ $theme_key ];
 887  
 888      $details_url = add_query_arg(
 889          array(
 890              'TB_iframe' => 'true',
 891              'width'     => 1024,
 892              'height'    => 800,
 893          ),
 894          $current->response[ $theme_key ]['url']
 895      );
 896  
 897      /** @var WP_MS_Themes_List_Table $wp_list_table */
 898      $wp_list_table = _get_list_table( 'WP_MS_Themes_List_Table' );
 899  
 900      $active = $theme->is_allowed( 'network' ) ? ' active' : '';
 901  
 902      $requires_wp  = $response['requires'] ?? null;
 903      $requires_php = $response['requires_php'] ?? null;
 904  
 905      $compatible_wp  = is_wp_version_compatible( $requires_wp );
 906      $compatible_php = is_php_version_compatible( $requires_php );
 907  
 908      printf(
 909          '<tr class="plugin-update-tr%s" id="%s" data-slug="%s">' .
 910          '<td colspan="%s" class="plugin-update colspanchange">' .
 911          '<div class="update-message notice inline notice-warning notice-alt"><p>',
 912          $active,
 913          esc_attr( $theme->get_stylesheet() . '-update' ),
 914          esc_attr( $theme->get_stylesheet() ),
 915          $wp_list_table->get_column_count()
 916      );
 917  
 918      if ( $compatible_wp && $compatible_php ) {
 919          if ( ! current_user_can( 'update_themes' ) ) {
 920              printf(
 921                  /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 922                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ),
 923                  $theme['Name'],
 924                  esc_url( $details_url ),
 925                  sprintf(
 926                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 927                      /* translators: 1: Theme name, 2: Version number. */
 928                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 929                  ),
 930                  $response['new_version']
 931              );
 932          } elseif ( empty( $response['package'] ) ) {
 933              printf(
 934                  /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 935                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ),
 936                  $theme['Name'],
 937                  esc_url( $details_url ),
 938                  sprintf(
 939                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 940                      /* translators: 1: Theme name, 2: Version number. */
 941                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 942                  ),
 943                  $response['new_version']
 944              );
 945          } else {
 946              printf(
 947                  /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number, 5: Update URL, 6: Additional link attributes. */
 948                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ),
 949                  $theme['Name'],
 950                  esc_url( $details_url ),
 951                  sprintf(
 952                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 953                      /* translators: 1: Theme name, 2: Version number. */
 954                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 955                  ),
 956                  $response['new_version'],
 957                  wp_nonce_url( self_admin_url( 'update.php?action=upgrade-theme&theme=' ) . $theme_key, 'upgrade-theme_' . $theme_key ),
 958                  sprintf(
 959                      'class="update-link" aria-label="%s"',
 960                      /* translators: %s: Theme name. */
 961                      esc_attr( sprintf( _x( 'Update %s now', 'theme' ), $theme['Name'] ) )
 962                  )
 963              );
 964          }
 965      } else {
 966          if ( ! $compatible_wp && ! $compatible_php ) {
 967              printf(
 968                  /* translators: %s: Theme name. */
 969                  __( 'There is a new version of %s available, but it does not work with your versions of WordPress and PHP.' ),
 970                  $theme['Name']
 971              );
 972              if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) {
 973                  printf(
 974                      /* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */
 975                      ' ' . __( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ),
 976                      self_admin_url( 'update-core.php' ),
 977                      esc_url( wp_get_update_php_url() )
 978                  );
 979                  wp_update_php_annotation( '</p><p><em>', '</em>' );
 980              } elseif ( current_user_can( 'update_core' ) ) {
 981                  printf(
 982                      /* translators: %s: URL to WordPress Updates screen. */
 983                      ' ' . __( '<a href="%s">Please update WordPress</a>.' ),
 984                      self_admin_url( 'update-core.php' )
 985                  );
 986              } elseif ( current_user_can( 'update_php' ) ) {
 987                  printf(
 988                      /* translators: %s: URL to Update PHP page. */
 989                      ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ),
 990                      esc_url( wp_get_update_php_url() )
 991                  );
 992                  wp_update_php_annotation( '</p><p><em>', '</em>' );
 993              }
 994          } elseif ( ! $compatible_wp ) {
 995              printf(
 996                  /* translators: %s: Theme name. */
 997                  __( 'There is a new version of %s available, but it does not work with your version of WordPress.' ),
 998                  $theme['Name']
 999              );
1000              if ( current_user_can( 'update_core' ) ) {
1001                  printf(
1002                      /* translators: %s: URL to WordPress Updates screen. */
1003                      ' ' . __( '<a href="%s">Please update WordPress</a>.' ),
1004                      self_admin_url( 'update-core.php' )
1005                  );
1006              }
1007          } elseif ( ! $compatible_php ) {
1008              printf(
1009                  /* translators: %s: Theme name. */
1010                  __( 'There is a new version of %s available, but it does not work with your version of PHP.' ),
1011                  $theme['Name']
1012              );
1013              if ( current_user_can( 'update_php' ) ) {
1014                  printf(
1015                      /* translators: %s: URL to Update PHP page. */
1016                      ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ),
1017                      esc_url( wp_get_update_php_url() )
1018                  );
1019                  wp_update_php_annotation( '</p><p><em>', '</em>' );
1020              }
1021          }
1022      }
1023  
1024      /**
1025       * Fires at the end of the update message container in each
1026       * row of the themes list table.
1027       *
1028       * The dynamic portion of the hook name, `$theme_key`, refers to
1029       * the theme slug as found in the WordPress.org themes repository.
1030       *
1031       * @since 3.1.0
1032       *
1033       * @param WP_Theme $theme    The WP_Theme object.
1034       * @param array    $response {
1035       *     An array of metadata about the available theme update.
1036       *
1037       *     @type string $new_version New theme version.
1038       *     @type string $url         Theme URL.
1039       *     @type string $package     Theme update package URL.
1040       * }
1041       */
1042      do_action( "in_theme_update_message-{$theme_key}", $theme, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
1043  
1044      echo '</p></div></td></tr>';
1045  }
1046  
1047  /**
1048   * Displays maintenance nag HTML message.
1049   *
1050   * @since 2.7.0
1051   *
1052   * @global int $upgrading
1053   *
1054   * @return void|false Void on success, false if the maintenance nag should not be displayed.
1055   */
1056  function maintenance_nag() {
1057      global $upgrading;
1058  
1059      $nag = isset( $upgrading );
1060  
1061      if ( ! $nag ) {
1062          $failed = get_site_option( 'auto_core_update_failed' );
1063          /*
1064           * If an update failed critically, we may have copied over version.php but not other files.
1065           * In that case, if the installation claims we're running the version we attempted, nag.
1066           * This is serious enough to err on the side of nagging.
1067           *
1068           * If we simply failed to update before we tried to copy any files, then assume things are
1069           * OK if they are now running the latest.
1070           *
1071           * This flag is cleared whenever a successful update occurs using Core_Upgrader.
1072           */
1073          $comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
1074          if ( isset( $failed['attempted'] ) && version_compare( $failed['attempted'], wp_get_wp_version(), $comparison ) ) {
1075              $nag = true;
1076          }
1077      }
1078  
1079      if ( ! $nag ) {
1080          return false;
1081      }
1082  
1083      if ( current_user_can( 'update_core' ) ) {
1084          $msg = sprintf(
1085              /* translators: %s: URL to WordPress Updates screen. */
1086              __( 'An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.' ),
1087              'update-core.php'
1088          );
1089      } else {
1090          $msg = __( 'An automated WordPress update has failed to complete! Please notify the site administrator.' );
1091      }
1092  
1093      wp_admin_notice(
1094          $msg,
1095          array(
1096              'type'               => 'warning',
1097              'additional_classes' => array( 'update-nag', 'inline' ),
1098              'paragraph_wrap'     => false,
1099          )
1100      );
1101  }
1102  
1103  /**
1104   * Prints the JavaScript templates for update admin notices.
1105   *
1106   * @since 4.6.0
1107   *
1108   * Template takes one argument with four values:
1109   *
1110   *     param {object} data {
1111   *         Arguments for admin notice.
1112   *
1113   *         @type string id        ID of the notice.
1114   *         @type string className Class names for the notice.
1115   *         @type string message   The notice's message.
1116   *         @type string type      The type of update the notice is for. Either 'plugin' or 'theme'.
1117   *     }
1118   */
1119  function wp_print_admin_notice_templates() {
1120      ?>
1121      <script id="tmpl-wp-updates-admin-notice" type="text/html">
1122          <div <# if ( data.id ) { #>id="{{ data.id }}"<# } #> class="notice {{ data.className }}"><p>{{{ data.message }}}</p></div>
1123      </script>
1124      <script id="tmpl-wp-bulk-updates-admin-notice" type="text/html">
1125          <div id="{{ data.id }}" class="{{ data.className }} notice <# if ( data.errorMessage ) { #>notice-error<# } else { #>notice-success<# } #>">
1126              <p>
1127                  <# if ( data.successMessage ) { #>
1128                      {{{ data.successMessage }}}
1129                  <# } #>
1130                  <# if ( data.errorMessage ) { #>
1131                      <button class="button-link bulk-action-errors-collapsed" aria-expanded="false">
1132                          {{{ data.errorMessage }}}
1133                          <span class="screen-reader-text">
1134                              <?php
1135                              /* translators: Hidden accessibility text. */
1136                              _e( 'Show more details' );
1137                              ?>
1138                          </span>
1139                          <span class="toggle-indicator" aria-hidden="true"></span>
1140                      </button>
1141                  <# } #>
1142              </p>
1143              <# if ( data.errorMessages ) { #>
1144                  <ul class="bulk-action-errors hidden">
1145                      <# _.each( data.errorMessages, function( errorMessage ) { #>
1146                          <li>{{ errorMessage }}</li>
1147                      <# } ); #>
1148                  </ul>
1149              <# } #>
1150          </div>
1151      </script>
1152      <?php
1153  }
1154  
1155  /**
1156   * Prints the JavaScript templates for update and deletion rows in list tables.
1157   *
1158   * @since 4.6.0
1159   *
1160   * The update template takes one argument with four values:
1161   *
1162   *     param {object} data {
1163   *         Arguments for the update row
1164   *
1165   *         @type string slug    Plugin slug.
1166   *         @type string plugin  Plugin base name.
1167   *         @type string colspan The number of table columns this row spans.
1168   *         @type string content The row content.
1169   *     }
1170   *
1171   * The delete template takes one argument with four values:
1172   *
1173   *     param {object} data {
1174   *         Arguments for the update row
1175   *
1176   *         @type string slug    Plugin slug.
1177   *         @type string plugin  Plugin base name.
1178   *         @type string name    Plugin name.
1179   *         @type string colspan The number of table columns this row spans.
1180   *     }
1181   */
1182  function wp_print_update_row_templates() {
1183      ?>
1184      <script id="tmpl-item-update-row" type="text/template">
1185          <tr class="plugin-update-tr update" id="{{ data.slug }}-update" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
1186              <td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
1187                  {{{ data.content }}}
1188              </td>
1189          </tr>
1190      </script>
1191      <script id="tmpl-item-deleted-row" type="text/template">
1192          <tr class="plugin-deleted-tr inactive deleted" id="{{ data.slug }}-deleted" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
1193              <td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
1194                  <# if ( data.plugin ) { #>
1195                      <?php
1196                      printf(
1197                          /* translators: %s: Plugin name. */
1198                          _x( '%s was successfully deleted.', 'plugin' ),
1199                          '<strong>{{{ data.name }}}</strong>'
1200                      );
1201                      ?>
1202                  <# } else { #>
1203                      <?php
1204                      printf(
1205                          /* translators: %s: Theme name. */
1206                          _x( '%s was successfully deleted.', 'theme' ),
1207                          '<strong>{{{ data.name }}}</strong>'
1208                      );
1209                      ?>
1210                  <# } #>
1211              </td>
1212          </tr>
1213      </script>
1214      <?php
1215  }
1216  
1217  /**
1218   * Displays a notice when the user is in recovery mode.
1219   *
1220   * @since 5.2.0
1221   */
1222  function wp_recovery_mode_nag() {
1223      if ( ! wp_is_recovery_mode() ) {
1224          return;
1225      }
1226  
1227      $url = wp_login_url();
1228      $url = add_query_arg( 'action', WP_Recovery_Mode::EXIT_ACTION, $url );
1229      $url = wp_nonce_url( $url, WP_Recovery_Mode::EXIT_ACTION );
1230  
1231      $message = sprintf(
1232          /* translators: %s: Recovery Mode exit link. */
1233          __( '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>' ),
1234          esc_url( $url )
1235      );
1236      wp_admin_notice( $message, array( 'type' => 'info' ) );
1237  }
1238  
1239  /**
1240   * Checks whether auto-updates are enabled.
1241   *
1242   * @since 5.5.0
1243   *
1244   * @param string $type The type of update being checked: Either 'theme' or 'plugin'.
1245   * @return bool True if auto-updates are enabled for `$type`, false otherwise.
1246   */
1247  function wp_is_auto_update_enabled_for_type( $type ) {
1248      if ( ! class_exists( 'WP_Automatic_Updater' ) ) {
1249          require_once  ABSPATH . 'wp-admin/includes/class-wp-automatic-updater.php';
1250      }
1251  
1252      $updater = new WP_Automatic_Updater();
1253      $enabled = ! $updater->is_disabled();
1254  
1255      switch ( $type ) {
1256          case 'plugin':
1257              /**
1258               * Filters whether plugins auto-update is enabled.
1259               *
1260               * @since 5.5.0
1261               *
1262               * @param bool $enabled True if plugins auto-update is enabled, false otherwise.
1263               */
1264              return apply_filters( 'plugins_auto_update_enabled', $enabled );
1265          case 'theme':
1266              /**
1267               * Filters whether themes auto-update is enabled.
1268               *
1269               * @since 5.5.0
1270               *
1271               * @param bool $enabled True if themes auto-update is enabled, false otherwise.
1272               */
1273              return apply_filters( 'themes_auto_update_enabled', $enabled );
1274      }
1275  
1276      return false;
1277  }
1278  
1279  /**
1280   * Checks whether auto-updates are forced for an item.
1281   *
1282   * @since 5.6.0
1283   *
1284   * @param string    $type   The type of update being checked: Either 'theme' or 'plugin'.
1285   * @param bool|null $update Whether to update. The value of null is internally used
1286   *                          to detect whether nothing has hooked into this filter.
1287   * @param object    $item   The update offer.
1288   * @return bool True if auto-updates are forced for `$item`, false otherwise.
1289   */
1290  function wp_is_auto_update_forced_for_item( $type, $update, $item ) {
1291      /** This filter is documented in wp-admin/includes/class-wp-automatic-updater.php */
1292      return apply_filters( "auto_update_{$type}", $update, $item );
1293  }
1294  
1295  /**
1296   * Determines the appropriate auto-update message to be displayed.
1297   *
1298   * @since 5.5.0
1299   * @since 7.2.0 Added the `$type` parameter. A message is now returned when
1300   *              automatic updates cannot run because the filesystem requires
1301   *              credentials or the site appears to be under version control.
1302   *
1303   * @param string $type Optional. The type of update the message is for: 'plugin' or 'theme'.
1304   *                     Determines which directory is checked. Default empty, which checks ABSPATH.
1305   * @return string The update message to be shown.
1306   */
1307  function wp_get_auto_update_message( $type = '' ) {
1308      // Loads Automatic_Upgrader_Skin and WP_Automatic_Updater.
1309      require_once  ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
1310  
1311      if ( ! function_exists( 'request_filesystem_credentials' ) ) {
1312          require_once  ABSPATH . 'wp-admin/includes/file.php';
1313      }
1314  
1315      switch ( $type ) {
1316          case 'plugin':
1317              $context = WP_PLUGIN_DIR;
1318              break;
1319          case 'theme':
1320              $context = get_theme_root();
1321              break;
1322          default:
1323              $context = ABSPATH;
1324      }
1325  
1326      /*
1327       * These mirror the checks in WP_Automatic_Updater::should_update(), which skips
1328       * the update regardless of the schedule if either one fails.
1329       */
1330      $skin    = new Automatic_Upgrader_Skin();
1331      $updater = new WP_Automatic_Updater();
1332  
1333      $message = '';
1334      if ( ! $skin->request_filesystem_credentials( false, $context ) ) {
1335          $message = __( 'Automatic update will not run because WordPress needs FTP credentials to update files.' );
1336      } elseif ( $updater->is_vcs_checkout( $context ) ) {
1337          $message = __( 'Automatic update will not run because this site appears to be under version control.' );
1338      }
1339  
1340      if ( $message ) {
1341          if ( current_user_can( 'view_site_health_checks' ) ) {
1342              $message .= ' ' . sprintf(
1343                  /* translators: %s: URL to the Site Health screen. */
1344                  __( '<a href="%s">Learn more in Site Health</a>.' ),
1345                  esc_url( admin_url( 'site-health.php' ) )
1346              );
1347          }
1348  
1349          return $message;
1350      }
1351  
1352      $next_update_time = wp_next_scheduled( 'wp_version_check' );
1353  
1354      // Check if the event exists.
1355      if ( false === $next_update_time ) {
1356          $message = __( 'Automatic update not scheduled. There may be a problem with WP-Cron.' );
1357      } else {
1358          $time_to_next_update = human_time_diff( (int) $next_update_time );
1359  
1360          // See if cron is overdue.
1361          $overdue = ( time() - $next_update_time ) > 0;
1362  
1363          if ( $overdue ) {
1364              $message = sprintf(
1365                  /* translators: %s: Duration that WP-Cron has been overdue. */
1366                  __( 'Automatic update overdue by %s. There may be a problem with WP-Cron.' ),
1367                  $time_to_next_update
1368              );
1369          } else {
1370              $message = sprintf(
1371                  /* translators: %s: Time until the next update. */
1372                  __( 'Automatic update scheduled in %s.' ),
1373                  $time_to_next_update
1374              );
1375          }
1376      }
1377  
1378      return $message;
1379  }


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