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

   1  <?php
   2  /**
   3   * Update Core administration panel.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /** WordPress Administration Bootstrap */
  10  require_once  __DIR__ . '/admin.php';
  11  
  12  wp_enqueue_style( 'plugin-install' );
  13  wp_enqueue_script( 'plugin-install' );
  14  wp_enqueue_script( 'updates' );
  15  add_thickbox();
  16  
  17  if ( is_multisite() && ! is_network_admin() ) {
  18      wp_redirect( network_admin_url( 'update-core.php' ) );
  19      exit;
  20  }
  21  
  22  if ( ! current_user_can( 'update_core' ) && ! current_user_can( 'update_themes' ) && ! current_user_can( 'update_plugins' ) && ! current_user_can( 'update_languages' ) ) {
  23      wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
  24  }
  25  
  26  /**
  27   * Lists available core updates.
  28   *
  29   * @since 2.7.0
  30   *
  31   * @global string $wp_local_package Locale code of the package.
  32   * @global wpdb   $wpdb             WordPress database abstraction object.
  33   *
  34   * @param object $update
  35   */
  36  function list_core_update( $update ) {
  37      global $wp_local_package, $wpdb;
  38      static $first_pass = true;
  39  
  40      $wp_version     = get_bloginfo( 'version' );
  41      $version_string = sprintf( '%s&ndash;%s', $update->current, get_locale() );
  42  
  43      if ( 'en_US' === $update->locale && 'en_US' === get_locale() ) {
  44          $version_string = $update->current;
  45      } elseif ( 'en_US' === $update->locale && $update->packages->partial && $wp_version == $update->partial_version ) {
  46          $updates = get_core_updates();
  47          if ( $updates && 1 === count( $updates ) ) {
  48              // If the only available update is a partial builds, it doesn't need a language-specific version string.
  49              $version_string = $update->current;
  50          }
  51      } elseif ( 'en_US' === $update->locale && 'en_US' !== get_locale() ) {
  52          $version_string = sprintf( '%s&ndash;%s', $update->current, $update->locale );
  53      }
  54  
  55      $current = false;
  56      if ( ! isset( $update->response ) || 'latest' === $update->response ) {
  57          $current = true;
  58      }
  59  
  60      $message       = '';
  61      $form_action   = 'update-core.php?action=do-core-upgrade';
  62      $php_version   = PHP_VERSION;
  63      $mysql_version = $wpdb->db_version();
  64      $show_buttons  = true;
  65  
  66      // Nightly build versions have two hyphens and a commit number.
  67      if ( preg_match( '/-\w+-\d+/', $update->current ) ) {
  68          // Retrieve the major version number.
  69          preg_match( '/^\d+.\d+/', $update->current, $update_major );
  70          /* translators: %s: WordPress version. */
  71          $submit = sprintf( __( 'Update to latest %s nightly' ), $update_major[0] );
  72      } else {
  73          /* translators: %s: WordPress version. */
  74          $submit = sprintf( __( 'Update to version %s' ), $version_string );
  75      }
  76  
  77      if ( 'development' === $update->response ) {
  78          $message = __( 'You can update to the latest nightly build manually:' );
  79      } else {
  80          if ( $current ) {
  81              /* translators: %s: WordPress version. */
  82              $submit      = sprintf( __( 'Re-install version %s' ), $version_string );
  83              $form_action = 'update-core.php?action=do-core-reinstall';
  84          } else {
  85              $php_compat = version_compare( $php_version, $update->php_version, '>=' );
  86              if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) {
  87                  $mysql_compat = true;
  88              } else {
  89                  $mysql_compat = version_compare( $mysql_version, $update->mysql_version, '>=' );
  90              }
  91  
  92              $version_url = sprintf(
  93                  /* translators: %s: WordPress version. */
  94                  esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
  95                  sanitize_title( $update->current )
  96              );
  97  
  98              $php_update_message = '</p><p>' . sprintf(
  99                  /* translators: %s: URL to Update PHP page. */
 100                  __( '<a href="%s">Learn more about updating PHP</a>.' ),
 101                  esc_url( wp_get_update_php_url() )
 102              );
 103  
 104              $annotation = wp_get_update_php_annotation();
 105  
 106              if ( $annotation ) {
 107                  $php_update_message .= '</p><p><em>' . $annotation . '</em>';
 108              }
 109  
 110              if ( ! $mysql_compat && ! $php_compat ) {
 111                  $message = sprintf(
 112                      /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Minimum required MySQL version number, 5: Current PHP version number, 6: Current MySQL version number. */
 113                      __( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher and MySQL version %4$s or higher. You are running PHP version %5$s and MySQL version %6$s.' ),
 114                      $version_url,
 115                      $update->current,
 116                      $update->php_version,
 117                      $update->mysql_version,
 118                      $php_version,
 119                      $mysql_version
 120                  ) . $php_update_message;
 121              } elseif ( ! $php_compat ) {
 122                  $message = sprintf(
 123                      /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number. */
 124                      __( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher. You are running version %4$s.' ),
 125                      $version_url,
 126                      $update->current,
 127                      $update->php_version,
 128                      $php_version
 129                  ) . $php_update_message;
 130              } elseif ( ! $mysql_compat ) {
 131                  $message = sprintf(
 132                      /* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number. */
 133                      __( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires MySQL version %3$s or higher. You are running version %4$s.' ),
 134                      $version_url,
 135                      $update->current,
 136                      $update->mysql_version,
 137                      $mysql_version
 138                  );
 139              } else {
 140                  $message = sprintf(
 141                      /* translators: 1: Installed WordPress version number, 2: URL to WordPress release notes, 3: New WordPress version number, including locale if necessary. */
 142                      __( 'You can update from WordPress %1$s to <a href="%2$s">WordPress %3$s</a> manually:' ),
 143                      $wp_version,
 144                      $version_url,
 145                      $version_string
 146                  );
 147              }
 148  
 149              if ( ! $mysql_compat || ! $php_compat ) {
 150                  $show_buttons = false;
 151              }
 152          }
 153      }
 154  
 155      echo '<p>';
 156      echo $message;
 157      echo '</p>';
 158  
 159      echo '<form method="post" action="' . esc_url( $form_action ) . '" name="upgrade" class="upgrade">';
 160      wp_nonce_field( 'upgrade-core' );
 161  
 162      echo '<p>';
 163      echo '<input name="version" value="' . esc_attr( $update->current ) . '" type="hidden" />';
 164      echo '<input name="locale" value="' . esc_attr( $update->locale ) . '" type="hidden" />';
 165      if ( $show_buttons ) {
 166          if ( $first_pass ) {
 167              submit_button( $submit, $current ? '' : 'primary regular', 'upgrade', false );
 168              $first_pass = false;
 169          } else {
 170              submit_button( $submit, '', 'upgrade', false );
 171          }
 172      }
 173      if ( 'en_US' !== $update->locale ) {
 174          if ( ! isset( $update->dismissed ) || ! $update->dismissed ) {
 175              submit_button( __( 'Hide this update' ), '', 'dismiss', false );
 176          } else {
 177              submit_button( __( 'Bring back this update' ), '', 'undismiss', false );
 178          }
 179      }
 180      echo '</p>';
 181  
 182      if ( 'en_US' !== $update->locale && ( ! isset( $wp_local_package ) || $wp_local_package != $update->locale ) ) {
 183          echo '<p class="hint">' . __( 'This localized version contains both the translation and various other localization fixes.' ) . '</p>';
 184      } elseif ( 'en_US' === $update->locale && 'en_US' !== get_locale() && ( ! $update->packages->partial && $wp_version == $update->partial_version ) ) {
 185          // Partial builds don't need language-specific warnings.
 186          echo '<p class="hint">' . sprintf(
 187              /* translators: %s: WordPress version. */
 188              __( 'You are about to install WordPress %s <strong>in English (US)</strong>. There is a chance this update will break your translation. You may prefer to wait for the localized version to be released.' ),
 189              'development' !== $update->response ? $update->current : ''
 190          ) . '</p>';
 191      }
 192  
 193      echo '</form>';
 194  
 195  }
 196  
 197  /**
 198   * Display dismissed updates.
 199   *
 200   * @since 2.7.0
 201   */
 202  function dismissed_updates() {
 203      $dismissed = get_core_updates(
 204          array(
 205              'dismissed' => true,
 206              'available' => false,
 207          )
 208      );
 209  
 210      if ( $dismissed ) {
 211          $show_text = esc_js( __( 'Show hidden updates' ) );
 212          $hide_text = esc_js( __( 'Hide hidden updates' ) );
 213          ?>
 214          <script type="text/javascript">
 215              jQuery( function( $ ) {
 216                  $( '#show-dismissed' ).on( 'click', function() {
 217                      var isExpanded = ( 'true' === $( this ).attr( 'aria-expanded' ) );
 218  
 219                      if ( isExpanded ) {
 220                          $( this ).text( '<?php echo $show_text; ?>' ).attr( 'aria-expanded', 'false' );
 221                      } else {
 222                          $( this ).text( '<?php echo $hide_text; ?>' ).attr( 'aria-expanded', 'true' );
 223                      }
 224  
 225                      $( '#dismissed-updates' ).toggle( 'fast' );
 226                  });
 227              });
 228          </script>
 229          <?php
 230          echo '<p class="hide-if-no-js"><button type="button" class="button" id="show-dismissed" aria-expanded="false">' . __( 'Show hidden updates' ) . '</button></p>';
 231          echo '<ul id="dismissed-updates" class="core-updates dismissed">';
 232          foreach ( (array) $dismissed as $update ) {
 233              echo '<li>';
 234              list_core_update( $update );
 235              echo '</li>';
 236          }
 237          echo '</ul>';
 238      }
 239  }
 240  
 241  /**
 242   * Display upgrade WordPress for downloading latest or upgrading automatically form.
 243   *
 244   * @since 2.7.0
 245   *
 246   * @global string $required_php_version   The required PHP version string.
 247   * @global string $required_mysql_version The required MySQL version string.
 248   */
 249  function core_upgrade_preamble() {
 250      global $required_php_version, $required_mysql_version;
 251  
 252      $updates = get_core_updates();
 253  
 254      // Include an unmodified $wp_version.
 255      require  ABSPATH . WPINC . '/version.php';
 256  
 257      $is_development_version = preg_match( '/alpha|beta|RC/', $wp_version );
 258  
 259      if ( isset( $updates[0]->version ) && version_compare( $updates[0]->version, $wp_version, '>' ) ) {
 260          echo '<h2 class="response">';
 261          _e( 'An updated version of WordPress is available.' );
 262          echo '</h2>';
 263  
 264          echo '<div class="notice notice-warning inline"><p>';
 265          printf(
 266              /* translators: 1: Documentation on WordPress backups, 2: Documentation on updating WordPress. */
 267              __( '<strong>Important:</strong> Before updating, please <a href="%1$s">back up your database and files</a>. For help with updates, visit the <a href="%2$s">Updating WordPress</a> documentation page.' ),
 268              __( 'https://wordpress.org/support/article/wordpress-backups/' ),
 269              __( 'https://wordpress.org/support/article/updating-wordpress/' )
 270          );
 271          echo '</p></div>';
 272      } elseif ( $is_development_version ) {
 273          echo '<h2 class="response">' . __( 'You are using a development version of WordPress.' ) . '</h2>';
 274      } else {
 275          echo '<h2 class="response">' . __( 'You have the latest version of WordPress.' ) . '</h2>';
 276      }
 277  
 278      echo '<ul class="core-updates">';
 279      foreach ( (array) $updates as $update ) {
 280          echo '<li>';
 281          list_core_update( $update );
 282          echo '</li>';
 283      }
 284      echo '</ul>';
 285  
 286      // Don't show the maintenance mode notice when we are only showing a single re-install option.
 287      if ( $updates && ( count( $updates ) > 1 || 'latest' !== $updates[0]->response ) ) {
 288          echo '<p>' . __( 'While your site is being updated, it will be in maintenance mode. As soon as your updates are complete, this mode will be deactivated.' ) . '</p>';
 289      } elseif ( ! $updates ) {
 290          list( $normalized_version ) = explode( '-', $wp_version );
 291          echo '<p>' . sprintf(
 292              /* translators: 1: URL to About screen, 2: WordPress version. */
 293              __( '<a href="%1$s">Learn more about WordPress %2$s</a>.' ),
 294              esc_url( self_admin_url( 'about.php' ) ),
 295              $normalized_version
 296          ) . '</p>';
 297      }
 298  
 299      dismissed_updates();
 300  }
 301  
 302  /**
 303   * Display WordPress auto-updates settings.
 304   *
 305   * @since 5.6.0
 306   */
 307  function core_auto_updates_settings() {
 308      if ( isset( $_GET['core-major-auto-updates-saved'] ) ) {
 309          if ( 'enabled' === $_GET['core-major-auto-updates-saved'] ) {
 310              $notice_text = __( 'Automatic updates for all WordPress versions have been enabled. Thank you!' );
 311              echo '<div class="notice notice-success is-dismissible"><p>' . $notice_text . '</p></div>';
 312          } elseif ( 'disabled' === $_GET['core-major-auto-updates-saved'] ) {
 313              $notice_text = __( 'WordPress will only receive automatic security and maintenance releases from now on.' );
 314              echo '<div class="notice notice-success is-dismissible"><p>' . $notice_text . '</p></div>';
 315          }
 316      }
 317  
 318      require_once  ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
 319      $updater = new WP_Automatic_Updater();
 320  
 321      // Defaults:
 322      $upgrade_dev   = get_site_option( 'auto_update_core_dev', 'enabled' ) === 'enabled';
 323      $upgrade_minor = get_site_option( 'auto_update_core_minor', 'enabled' ) === 'enabled';
 324      $upgrade_major = get_site_option( 'auto_update_core_major', 'unset' ) === 'enabled';
 325  
 326      $can_set_update_option = true;
 327      // WP_AUTO_UPDATE_CORE = true (all), 'beta', 'rc', 'development', 'branch-development', 'minor', false.
 328      if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) {
 329          if ( false === WP_AUTO_UPDATE_CORE ) {
 330              // Defaults to turned off, unless a filter allows it.
 331              $upgrade_dev   = false;
 332              $upgrade_minor = false;
 333              $upgrade_major = false;
 334          } elseif ( true === WP_AUTO_UPDATE_CORE
 335              || in_array( WP_AUTO_UPDATE_CORE, array( 'beta', 'rc', 'development', 'branch-development' ), true )
 336          ) {
 337              // ALL updates for core.
 338              $upgrade_dev   = true;
 339              $upgrade_minor = true;
 340              $upgrade_major = true;
 341          } elseif ( 'minor' === WP_AUTO_UPDATE_CORE ) {
 342              // Only minor updates for core.
 343              $upgrade_dev   = false;
 344              $upgrade_minor = true;
 345              $upgrade_major = false;
 346          }
 347  
 348          // The UI is overridden by the `WP_AUTO_UPDATE_CORE` constant.
 349          $can_set_update_option = false;
 350      }
 351  
 352      if ( $updater->is_disabled() ) {
 353          $upgrade_dev   = false;
 354          $upgrade_minor = false;
 355          $upgrade_major = false;
 356  
 357          /*
 358           * The UI is overridden by the `AUTOMATIC_UPDATER_DISABLED` constant
 359           * or the `automatic_updater_disabled` filter,
 360           * or by `wp_is_file_mod_allowed( 'automatic_updater' )`.
 361           * See `WP_Automatic_Updater::is_disabled()`.
 362           */
 363          $can_set_update_option = false;
 364      }
 365  
 366      // Is the UI overridden by a plugin using the `allow_major_auto_core_updates` filter?
 367      if ( has_filter( 'allow_major_auto_core_updates' ) ) {
 368          $can_set_update_option = false;
 369      }
 370  
 371      /** This filter is documented in wp-admin/includes/class-core-upgrader.php */
 372      $upgrade_dev = apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev );
 373      /** This filter is documented in wp-admin/includes/class-core-upgrader.php */
 374      $upgrade_minor = apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor );
 375      /** This filter is documented in wp-admin/includes/class-core-upgrader.php */
 376      $upgrade_major = apply_filters( 'allow_major_auto_core_updates', $upgrade_major );
 377  
 378      $auto_update_settings = array(
 379          'dev'   => $upgrade_dev,
 380          'minor' => $upgrade_minor,
 381          'major' => $upgrade_major,
 382      );
 383  
 384      if ( $upgrade_major ) {
 385          $wp_version = get_bloginfo( 'version' );
 386          $updates    = get_core_updates();
 387  
 388          if ( isset( $updates[0]->version ) && version_compare( $updates[0]->version, $wp_version, '>' ) ) {
 389              echo '<p>' . wp_get_auto_update_message() . '</p>';
 390          }
 391      }
 392  
 393      $action_url = self_admin_url( 'update-core.php?action=core-major-auto-updates-settings' );
 394      ?>
 395  
 396      <p class="auto-update-status">
 397          <?php
 398  
 399          if ( $updater->is_vcs_checkout( ABSPATH ) ) {
 400              _e( 'This site appears to be under version control. Automatic updates are disabled.' );
 401          } elseif ( $upgrade_major ) {
 402              _e( 'This site is automatically kept up to date with each new version of WordPress.' );
 403  
 404              if ( $can_set_update_option ) {
 405                  echo '<br>';
 406                  printf(
 407                      '<a href="%s" class="core-auto-update-settings-link core-auto-update-settings-link-disable">%s</a>',
 408                      wp_nonce_url( add_query_arg( 'value', 'disable', $action_url ), 'core-major-auto-updates-nonce' ),
 409                      __( 'Switch to automatic updates for maintenance and security releases only.' )
 410                  );
 411              }
 412          } elseif ( $upgrade_minor ) {
 413              _e( 'This site is automatically kept up to date with maintenance and security releases of WordPress only.' );
 414  
 415              if ( $can_set_update_option ) {
 416                  echo '<br>';
 417                  printf(
 418                      '<a href="%s" class="core-auto-update-settings-link core-auto-update-settings-link-enable">%s</a>',
 419                      wp_nonce_url( add_query_arg( 'value', 'enable', $action_url ), 'core-major-auto-updates-nonce' ),
 420                      __( 'Enable automatic updates for all new versions of WordPress.' )
 421                  );
 422              }
 423          } else {
 424              _e( 'This site will not receive automatic updates for new versions of WordPress.' );
 425          }
 426          ?>
 427      </p>
 428  
 429      <?php
 430      /**
 431       * Fires after the major core auto-update settings.
 432       *
 433       * @since 5.6.0
 434       *
 435       * @param array $auto_update_settings {
 436       *     Array of core auto-update settings.
 437       *
 438       *     @type bool $dev   Whether to enable automatic updates for development versions.
 439       *     @type bool $minor Whether to enable minor automatic core updates.
 440       *     @type bool $major Whether to enable major automatic core updates.
 441       * }
 442       */
 443      do_action( 'after_core_auto_updates_settings', $auto_update_settings );
 444  }
 445  
 446  /**
 447   * Display the upgrade plugins form.
 448   *
 449   * @since 2.9.0
 450   */
 451  function list_plugin_updates() {
 452      $wp_version     = get_bloginfo( 'version' );
 453      $cur_wp_version = preg_replace( '/-.*$/', '', $wp_version );
 454  
 455      require_once  ABSPATH . 'wp-admin/includes/plugin-install.php';
 456      $plugins = get_plugin_updates();
 457      if ( empty( $plugins ) ) {
 458          echo '<h2>' . __( 'Plugins' ) . '</h2>';
 459          echo '<p>' . __( 'Your plugins are all up to date.' ) . '</p>';
 460          return;
 461      }
 462      $form_action = 'update-core.php?action=do-plugin-upgrade';
 463  
 464      $core_updates = get_core_updates();
 465      if ( ! isset( $core_updates[0]->response ) || 'latest' === $core_updates[0]->response || 'development' === $core_updates[0]->response || version_compare( $core_updates[0]->current, $cur_wp_version, '=' ) ) {
 466          $core_update_version = false;
 467      } else {
 468          $core_update_version = $core_updates[0]->current;
 469      }
 470  
 471      $plugins_count = count( $plugins );
 472      ?>
 473  <h2>
 474      <?php
 475      printf(
 476          '%s <span class="count">(%d)</span>',
 477          __( 'Plugins' ),
 478          number_format_i18n( $plugins_count )
 479      );
 480      ?>
 481  </h2>
 482  <p><?php _e( 'The following plugins have new versions available. Check the ones you want to update and then click &#8220;Update Plugins&#8221;.' ); ?></p>
 483  <form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-plugins" class="upgrade">
 484      <?php wp_nonce_field( 'upgrade-core' ); ?>
 485  <p><input id="upgrade-plugins" class="button" type="submit" value="<?php esc_attr_e( 'Update Plugins' ); ?>" name="upgrade" /></p>
 486  <table class="widefat updates-table" id="update-plugins-table">
 487      <thead>
 488      <tr>
 489          <td class="manage-column check-column"><input type="checkbox" id="plugins-select-all" /></td>
 490          <td class="manage-column"><label for="plugins-select-all"><?php _e( 'Select All' ); ?></label></td>
 491      </tr>
 492      </thead>
 493  
 494      <tbody class="plugins">
 495      <?php
 496  
 497      $auto_updates = array();
 498      if ( wp_is_auto_update_enabled_for_type( 'plugin' ) ) {
 499          $auto_updates       = (array) get_site_option( 'auto_update_plugins', array() );
 500          $auto_update_notice = ' | ' . wp_get_auto_update_message();
 501      }
 502  
 503      foreach ( (array) $plugins as $plugin_file => $plugin_data ) {
 504          $plugin_data = (object) _get_plugin_data_markup_translate( $plugin_file, (array) $plugin_data, false, true );
 505  
 506          $icon            = '<span class="dashicons dashicons-admin-plugins"></span>';
 507          $preferred_icons = array( 'svg', '2x', '1x', 'default' );
 508          foreach ( $preferred_icons as $preferred_icon ) {
 509              if ( ! empty( $plugin_data->update->icons[ $preferred_icon ] ) ) {
 510                  $icon = '<img src="' . esc_url( $plugin_data->update->icons[ $preferred_icon ] ) . '" alt="" />';
 511                  break;
 512              }
 513          }
 514  
 515          // Get plugin compat for running version of WordPress.
 516          if ( isset( $plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $cur_wp_version, '>=' ) ) {
 517              /* translators: %s: WordPress version. */
 518              $compat = '<br />' . sprintf( __( 'Compatibility with WordPress %s: 100%% (according to its author)' ), $cur_wp_version );
 519          } else {
 520              /* translators: %s: WordPress version. */
 521              $compat = '<br />' . sprintf( __( 'Compatibility with WordPress %s: Unknown' ), $cur_wp_version );
 522          }
 523          // Get plugin compat for updated version of WordPress.
 524          if ( $core_update_version ) {
 525              if ( isset( $plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $core_update_version, '>=' ) ) {
 526                  /* translators: %s: WordPress version. */
 527                  $compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %s: 100%% (according to its author)' ), $core_update_version );
 528              } else {
 529                  /* translators: %s: WordPress version. */
 530                  $compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %s: Unknown' ), $core_update_version );
 531              }
 532          }
 533  
 534          $requires_php   = isset( $plugin_data->update->requires_php ) ? $plugin_data->update->requires_php : null;
 535          $compatible_php = is_php_version_compatible( $requires_php );
 536  
 537          if ( ! $compatible_php && current_user_can( 'update_php' ) ) {
 538              $compat .= '<br>' . __( 'This update does not work with your version of PHP.' ) . '&nbsp;';
 539              $compat .= sprintf(
 540                  /* translators: %s: URL to Update PHP page. */
 541                  __( '<a href="%s">Learn more about updating PHP</a>.' ),
 542                  esc_url( wp_get_update_php_url() )
 543              );
 544  
 545              $annotation = wp_get_update_php_annotation();
 546  
 547              if ( $annotation ) {
 548                  $compat .= '</p><p><em>' . $annotation . '</em>';
 549              }
 550          }
 551  
 552          // Get the upgrade notice for the new plugin version.
 553          if ( isset( $plugin_data->update->upgrade_notice ) ) {
 554              $upgrade_notice = '<br />' . strip_tags( $plugin_data->update->upgrade_notice );
 555          } else {
 556              $upgrade_notice = '';
 557          }
 558  
 559          $details_url = self_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $plugin_data->update->slug . '&section=changelog&TB_iframe=true&width=640&height=662' );
 560          $details     = sprintf(
 561              '<a href="%1$s" class="thickbox open-plugin-details-modal" aria-label="%2$s">%3$s</a>',
 562              esc_url( $details_url ),
 563              /* translators: 1: Plugin name, 2: Version number. */
 564              esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_data->Name, $plugin_data->update->new_version ) ),
 565              /* translators: %s: Plugin version. */
 566              sprintf( __( 'View version %s details.' ), $plugin_data->update->new_version )
 567          );
 568  
 569          $checkbox_id = 'checkbox_' . md5( $plugin_file );
 570          ?>
 571      <tr>
 572          <td class="check-column">
 573              <?php if ( $compatible_php ) : ?>
 574                  <input type="checkbox" name="checked[]" id="<?php echo $checkbox_id; ?>" value="<?php echo esc_attr( $plugin_file ); ?>" />
 575                  <label for="<?php echo $checkbox_id; ?>" class="screen-reader-text">
 576                      <?php
 577                      /* translators: %s: Plugin name. */
 578                      printf( __( 'Select %s' ), $plugin_data->Name );
 579                      ?>
 580                  </label>
 581              <?php endif; ?>
 582          </td>
 583          <td class="plugin-title"><p>
 584              <?php echo $icon; ?>
 585              <strong><?php echo $plugin_data->Name; ?></strong>
 586              <?php
 587              printf(
 588                  /* translators: 1: Plugin version, 2: New version. */
 589                  __( 'You have version %1$s installed. Update to %2$s.' ),
 590                  $plugin_data->Version,
 591                  $plugin_data->update->new_version
 592              );
 593  
 594              echo ' ' . $details . $compat . $upgrade_notice;
 595  
 596              if ( in_array( $plugin_file, $auto_updates, true ) ) {
 597                  echo $auto_update_notice;
 598              }
 599              ?>
 600          </p></td>
 601      </tr>
 602              <?php
 603      }
 604      ?>
 605      </tbody>
 606  
 607      <tfoot>
 608      <tr>
 609          <td class="manage-column check-column"><input type="checkbox" id="plugins-select-all-2" /></td>
 610          <td class="manage-column"><label for="plugins-select-all-2"><?php _e( 'Select All' ); ?></label></td>
 611      </tr>
 612      </tfoot>
 613  </table>
 614  <p><input id="upgrade-plugins-2" class="button" type="submit" value="<?php esc_attr_e( 'Update Plugins' ); ?>" name="upgrade" /></p>
 615  </form>
 616      <?php
 617  }
 618  
 619  /**
 620   * Display the upgrade themes form.
 621   *
 622   * @since 2.9.0
 623   */
 624  function list_theme_updates() {
 625      $themes = get_theme_updates();
 626      if ( empty( $themes ) ) {
 627          echo '<h2>' . __( 'Themes' ) . '</h2>';
 628          echo '<p>' . __( 'Your themes are all up to date.' ) . '</p>';
 629          return;
 630      }
 631  
 632      $form_action = 'update-core.php?action=do-theme-upgrade';
 633  
 634      $themes_count = count( $themes );
 635      ?>
 636  <h2>
 637      <?php
 638      printf(
 639          '%s <span class="count">(%d)</span>',
 640          __( 'Themes' ),
 641          number_format_i18n( $themes_count )
 642      );
 643      ?>
 644  </h2>
 645  <p><?php _e( 'The following themes have new versions available. Check the ones you want to update and then click &#8220;Update Themes&#8221;.' ); ?></p>
 646  <p>
 647      <?php
 648      printf(
 649          /* translators: %s: Link to documentation on child themes. */
 650          __( '<strong>Please Note:</strong> Any customizations you have made to theme files will be lost. Please consider using <a href="%s">child themes</a> for modifications.' ),
 651          __( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' )
 652      );
 653      ?>
 654  </p>
 655  <form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-themes" class="upgrade">
 656      <?php wp_nonce_field( 'upgrade-core' ); ?>
 657  <p><input id="upgrade-themes" class="button" type="submit" value="<?php esc_attr_e( 'Update Themes' ); ?>" name="upgrade" /></p>
 658  <table class="widefat updates-table" id="update-themes-table">
 659      <thead>
 660      <tr>
 661          <td class="manage-column check-column"><input type="checkbox" id="themes-select-all" /></td>
 662          <td class="manage-column"><label for="themes-select-all"><?php _e( 'Select All' ); ?></label></td>
 663      </tr>
 664      </thead>
 665  
 666      <tbody class="plugins">
 667      <?php
 668      $auto_updates = array();
 669      if ( wp_is_auto_update_enabled_for_type( 'theme' ) ) {
 670          $auto_updates       = (array) get_site_option( 'auto_update_themes', array() );
 671          $auto_update_notice = ' | ' . wp_get_auto_update_message();
 672      }
 673  
 674      foreach ( $themes as $stylesheet => $theme ) {
 675          $requires_wp  = isset( $theme->update['requires'] ) ? $theme->update['requires'] : null;
 676          $requires_php = isset( $theme->update['requires_php'] ) ? $theme->update['requires_php'] : null;
 677  
 678          $compatible_wp  = is_wp_version_compatible( $requires_wp );
 679          $compatible_php = is_php_version_compatible( $requires_php );
 680  
 681          $compat = '';
 682  
 683          if ( ! $compatible_wp && ! $compatible_php ) {
 684              $compat .= '<br>' . __( 'This update does not work with your versions of WordPress and PHP.' ) . '&nbsp;';
 685              if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) {
 686                  $compat .= sprintf(
 687                      /* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */
 688                      __( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ),
 689                      esc_url( self_admin_url( 'update-core.php' ) ),
 690                      esc_url( wp_get_update_php_url() )
 691                  );
 692  
 693                  $annotation = wp_get_update_php_annotation();
 694  
 695                  if ( $annotation ) {
 696                      $compat .= '</p><p><em>' . $annotation . '</em>';
 697                  }
 698              } elseif ( current_user_can( 'update_core' ) ) {
 699                  $compat .= sprintf(
 700                      /* translators: %s: URL to WordPress Updates screen. */
 701                      __( '<a href="%s">Please update WordPress</a>.' ),
 702                      esc_url( self_admin_url( 'update-core.php' ) )
 703                  );
 704              } elseif ( current_user_can( 'update_php' ) ) {
 705                  $compat .= sprintf(
 706                      /* translators: %s: URL to Update PHP page. */
 707                      __( '<a href="%s">Learn more about updating PHP</a>.' ),
 708                      esc_url( wp_get_update_php_url() )
 709                  );
 710  
 711                  $annotation = wp_get_update_php_annotation();
 712  
 713                  if ( $annotation ) {
 714                      $compat .= '</p><p><em>' . $annotation . '</em>';
 715                  }
 716              }
 717          } elseif ( ! $compatible_wp ) {
 718              $compat .= '<br>' . __( 'This update does not work with your version of WordPress.' ) . '&nbsp;';
 719              if ( current_user_can( 'update_core' ) ) {
 720                  $compat .= sprintf(
 721                      /* translators: %s: URL to WordPress Updates screen. */
 722                      __( '<a href="%s">Please update WordPress</a>.' ),
 723                      esc_url( self_admin_url( 'update-core.php' ) )
 724                  );
 725              }
 726          } elseif ( ! $compatible_php ) {
 727              $compat .= '<br>' . __( 'This update does not work with your version of PHP.' ) . '&nbsp;';
 728              if ( current_user_can( 'update_php' ) ) {
 729                  $compat .= sprintf(
 730                      /* translators: %s: URL to Update PHP page. */
 731                      __( '<a href="%s">Learn more about updating PHP</a>.' ),
 732                      esc_url( wp_get_update_php_url() )
 733                  );
 734  
 735                  $annotation = wp_get_update_php_annotation();
 736  
 737                  if ( $annotation ) {
 738                      $compat .= '</p><p><em>' . $annotation . '</em>';
 739                  }
 740              }
 741          }
 742  
 743          $checkbox_id = 'checkbox_' . md5( $theme->get( 'Name' ) );
 744          ?>
 745      <tr>
 746          <td class="check-column">
 747              <?php if ( $compatible_wp && $compatible_php ) : ?>
 748                  <input type="checkbox" name="checked[]" id="<?php echo $checkbox_id; ?>" value="<?php echo esc_attr( $stylesheet ); ?>" />
 749                  <label for="<?php echo $checkbox_id; ?>" class="screen-reader-text">
 750                      <?php
 751                      /* translators: %s: Theme name. */
 752                      printf( __( 'Select %s' ), $theme->display( 'Name' ) );
 753                      ?>
 754                  </label>
 755              <?php endif; ?>
 756          </td>
 757          <td class="plugin-title"><p>
 758              <img src="<?php echo esc_url( $theme->get_screenshot() . '?ver=' . $theme->version ); ?>" width="85" height="64" class="updates-table-screenshot" alt="" />
 759              <strong><?php echo $theme->display( 'Name' ); ?></strong>
 760              <?php
 761              printf(
 762                  /* translators: 1: Theme version, 2: New version. */
 763                  __( 'You have version %1$s installed. Update to %2$s.' ),
 764                  $theme->display( 'Version' ),
 765                  $theme->update['new_version']
 766              );
 767  
 768              echo ' ' . $compat;
 769  
 770              if ( in_array( $stylesheet, $auto_updates, true ) ) {
 771                  echo $auto_update_notice;
 772              }
 773              ?>
 774          </p></td>
 775      </tr>
 776              <?php
 777      }
 778      ?>
 779      </tbody>
 780  
 781      <tfoot>
 782      <tr>
 783          <td class="manage-column check-column"><input type="checkbox" id="themes-select-all-2" /></td>
 784          <td class="manage-column"><label for="themes-select-all-2"><?php _e( 'Select All' ); ?></label></td>
 785      </tr>
 786      </tfoot>
 787  </table>
 788  <p><input id="upgrade-themes-2" class="button" type="submit" value="<?php esc_attr_e( 'Update Themes' ); ?>" name="upgrade" /></p>
 789  </form>
 790      <?php
 791  }
 792  
 793  /**
 794   * Display the update translations form.
 795   *
 796   * @since 3.7.0
 797   */
 798  function list_translation_updates() {
 799      $updates = wp_get_translation_updates();
 800      if ( ! $updates ) {
 801          if ( 'en_US' !== get_locale() ) {
 802              echo '<h2>' . __( 'Translations' ) . '</h2>';
 803              echo '<p>' . __( 'Your translations are all up to date.' ) . '</p>';
 804          }
 805          return;
 806      }
 807  
 808      $form_action = 'update-core.php?action=do-translation-upgrade';
 809      ?>
 810      <h2><?php _e( 'Translations' ); ?></h2>
 811      <form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-translations" class="upgrade">
 812          <p><?php _e( 'New translations are available.' ); ?></p>
 813          <?php wp_nonce_field( 'upgrade-translations' ); ?>
 814          <p><input class="button" type="submit" value="<?php esc_attr_e( 'Update Translations' ); ?>" name="upgrade" /></p>
 815      </form>
 816      <?php
 817  }
 818  
 819  /**
 820   * Upgrade WordPress core display.
 821   *
 822   * @since 2.7.0
 823   *
 824   * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 825   *
 826   * @param bool $reinstall
 827   */
 828  function do_core_upgrade( $reinstall = false ) {
 829      global $wp_filesystem;
 830  
 831      require_once  ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
 832  
 833      if ( $reinstall ) {
 834          $url = 'update-core.php?action=do-core-reinstall';
 835      } else {
 836          $url = 'update-core.php?action=do-core-upgrade';
 837      }
 838      $url = wp_nonce_url( $url, 'upgrade-core' );
 839  
 840      $version = isset( $_POST['version'] ) ? $_POST['version'] : false;
 841      $locale  = isset( $_POST['locale'] ) ? $_POST['locale'] : 'en_US';
 842      $update  = find_core_update( $version, $locale );
 843      if ( ! $update ) {
 844          return;
 845      }
 846  
 847      // Allow relaxed file ownership writes for User-initiated upgrades when the API specifies
 848      // that it's safe to do so. This only happens when there are no new files to create.
 849      $allow_relaxed_file_ownership = ! $reinstall && isset( $update->new_files ) && ! $update->new_files;
 850  
 851      ?>
 852      <div class="wrap">
 853      <h1><?php _e( 'Update WordPress' ); ?></h1>
 854      <?php
 855  
 856      $credentials = request_filesystem_credentials( $url, '', false, ABSPATH, array( 'version', 'locale' ), $allow_relaxed_file_ownership );
 857      if ( false === $credentials ) {
 858          echo '</div>';
 859          return;
 860      }
 861  
 862      if ( ! WP_Filesystem( $credentials, ABSPATH, $allow_relaxed_file_ownership ) ) {
 863          // Failed to connect. Error and request again.
 864          request_filesystem_credentials( $url, '', true, ABSPATH, array( 'version', 'locale' ), $allow_relaxed_file_ownership );
 865          echo '</div>';
 866          return;
 867      }
 868  
 869      if ( $wp_filesystem->errors->has_errors() ) {
 870          foreach ( $wp_filesystem->errors->get_error_messages() as $message ) {
 871              show_message( $message );
 872          }
 873          echo '</div>';
 874          return;
 875      }
 876  
 877      if ( $reinstall ) {
 878          $update->response = 'reinstall';
 879      }
 880  
 881      add_filter( 'update_feedback', 'show_message' );
 882  
 883      $upgrader = new Core_Upgrader();
 884      $result   = $upgrader->upgrade(
 885          $update,
 886          array(
 887              'allow_relaxed_file_ownership' => $allow_relaxed_file_ownership,
 888          )
 889      );
 890  
 891      if ( is_wp_error( $result ) ) {
 892          show_message( $result );
 893          if ( 'up_to_date' != $result->get_error_code() && 'locked' != $result->get_error_code() ) {
 894              show_message( __( 'Installation failed.' ) );
 895          }
 896          echo '</div>';
 897          return;
 898      }
 899  
 900      show_message( __( 'WordPress updated successfully.' ) );
 901      show_message(
 902          '<span class="hide-if-no-js">' . sprintf(
 903              /* translators: 1: WordPress version, 2: URL to About screen. */
 904              __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ),
 905              $result,
 906              esc_url( self_admin_url( 'about.php?updated' ) )
 907          ) . '</span>'
 908      );
 909      show_message(
 910          '<span class="hide-if-js">' . sprintf(
 911              /* translators: 1: WordPress version, 2: URL to About screen. */
 912              __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ),
 913              $result,
 914              esc_url( self_admin_url( 'about.php?updated' ) )
 915          ) . '</span>'
 916      );
 917      ?>
 918      </div>
 919      <script type="text/javascript">
 920      window.location = '<?php echo esc_url( self_admin_url( 'about.php?updated' ) ); ?>';
 921      </script>
 922      <?php
 923  }
 924  
 925  /**
 926   * Dismiss a core update.
 927   *
 928   * @since 2.7.0
 929   */
 930  function do_dismiss_core_update() {
 931      $version = isset( $_POST['version'] ) ? $_POST['version'] : false;
 932      $locale  = isset( $_POST['locale'] ) ? $_POST['locale'] : 'en_US';
 933      $update  = find_core_update( $version, $locale );
 934      if ( ! $update ) {
 935          return;
 936      }
 937      dismiss_core_update( $update );
 938      wp_redirect( wp_nonce_url( 'update-core.php?action=upgrade-core', 'upgrade-core' ) );
 939      exit;
 940  }
 941  
 942  /**
 943   * Undismiss a core update.
 944   *
 945   * @since 2.7.0
 946   */
 947  function do_undismiss_core_update() {
 948      $version = isset( $_POST['version'] ) ? $_POST['version'] : false;
 949      $locale  = isset( $_POST['locale'] ) ? $_POST['locale'] : 'en_US';
 950      $update  = find_core_update( $version, $locale );
 951      if ( ! $update ) {
 952          return;
 953      }
 954      undismiss_core_update( $version, $locale );
 955      wp_redirect( wp_nonce_url( 'update-core.php?action=upgrade-core', 'upgrade-core' ) );
 956      exit;
 957  }
 958  
 959  $action = isset( $_GET['action'] ) ? $_GET['action'] : 'upgrade-core';
 960  
 961  $upgrade_error = false;
 962  if ( ( 'do-theme-upgrade' === $action || ( 'do-plugin-upgrade' === $action && ! isset( $_GET['plugins'] ) ) )
 963      && ! isset( $_POST['checked'] ) ) {
 964      $upgrade_error = ( 'do-theme-upgrade' === $action ) ? 'themes' : 'plugins';
 965      $action        = 'upgrade-core';
 966  }
 967  
 968  $title       = __( 'WordPress Updates' );
 969  $parent_file = 'index.php';
 970  
 971  $updates_overview  = '<p>' . __( 'On this screen, you can update to the latest version of WordPress, as well as update your themes, plugins, and translations from the WordPress.org repositories.' ) . '</p>';
 972  $updates_overview .= '<p>' . __( 'If an update is available, you&#8127;ll see a notification appear in the Toolbar and navigation menu.' ) . ' ' . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' ) . '</p>';
 973  
 974  get_current_screen()->add_help_tab(
 975      array(
 976          'id'      => 'overview',
 977          'title'   => __( 'Overview' ),
 978          'content' => $updates_overview,
 979      )
 980  );
 981  
 982  $updates_howto  = '<p>' . __( '<strong>WordPress</strong> &mdash; Updating your WordPress installation is a simple one-click procedure: just <strong>click on the &#8220;Update now&#8221; button</strong> when you are notified that a new version is available.' ) . ' ' . __( 'In most cases, WordPress will automatically apply maintenance and security updates in the background for you.' ) . '</p>';
 983  $updates_howto .= '<p>' . __( '<strong>Themes and Plugins</strong> &mdash; To update individual themes or plugins from this screen, use the checkboxes to make your selection, then <strong>click on the appropriate &#8220;Update&#8221; button</strong>. To update all of your themes or plugins at once, you can check the box at the top of the section to select all before clicking the update button.' ) . '</p>';
 984  
 985  if ( 'en_US' !== get_locale() ) {
 986      $updates_howto .= '<p>' . __( '<strong>Translations</strong> &mdash; The files translating WordPress into your language are updated for you whenever any other updates occur. But if these files are out of date, you can <strong>click the &#8220;Update Translations&#8221;</strong> button.' ) . '</p>';
 987  }
 988  
 989  get_current_screen()->add_help_tab(
 990      array(
 991          'id'      => 'how-to-update',
 992          'title'   => __( 'How to Update' ),
 993          'content' => $updates_howto,
 994      )
 995  );
 996  
 997  $help_sidebar_autoupdates = '';
 998  
 999  if ( ( current_user_can( 'update_themes' ) && wp_is_auto_update_enabled_for_type( 'theme' ) ) || ( current_user_can( 'update_plugins' ) && wp_is_auto_update_enabled_for_type( 'plugin' ) ) ) {
1000      $help_tab_autoupdates  = '<p>' . __( 'Auto-updates can be enabled or disabled for WordPress major versions and for each individual theme or plugin. Themes or plugins with auto-updates enabled will display the estimated date of the next auto-update. Auto-updates depends on the WP-Cron task scheduling system.' ) . '</p>';
1001      $help_tab_autoupdates .= '<p>' . __( 'Please note: Third-party themes and plugins, or custom code, may override WordPress scheduling.' ) . '</p>';
1002  
1003      get_current_screen()->add_help_tab(
1004          array(
1005              'id'      => 'plugins-themes-auto-updates',
1006              'title'   => __( 'Auto-updates' ),
1007              'content' => $help_tab_autoupdates,
1008          )
1009      );
1010  
1011      $help_sidebar_autoupdates = '<p>' . __( '<a href="https://wordpress.org/support/article/plugins-themes-auto-updates/">Learn more: Auto-updates documentation</a>' ) . '</p>';
1012  }
1013  
1014  get_current_screen()->set_help_sidebar(
1015      '<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
1016      '<p>' . __( '<a href="https://wordpress.org/support/article/dashboard-updates-screen/">Documentation on Updating WordPress</a>' ) . '</p>' .
1017      $help_sidebar_autoupdates .
1018      '<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
1019  );
1020  
1021  if ( 'upgrade-core' === $action ) {
1022      // Force a update check when requested.
1023      $force_check = ! empty( $_GET['force-check'] );
1024      wp_version_check( array(), $force_check );
1025  
1026      require_once  ABSPATH . 'wp-admin/admin-header.php';
1027      ?>
1028      <div class="wrap">
1029      <h1><?php _e( 'WordPress Updates' ); ?></h1>
1030      <p><?php _e( 'Here you can find information about updates, set auto-updates and see what plugins or themes need updating.' ); ?></p>
1031  
1032      <?php
1033      if ( $upgrade_error ) {
1034          echo '<div class="error"><p>';
1035          if ( 'themes' === $upgrade_error ) {
1036              _e( 'Please select one or more themes to update.' );
1037          } else {
1038              _e( 'Please select one or more plugins to update.' );
1039          }
1040          echo '</p></div>';
1041      }
1042  
1043      $last_update_check = false;
1044      $current           = get_site_transient( 'update_core' );
1045  
1046      if ( $current && isset( $current->last_checked ) ) {
1047          $last_update_check = $current->last_checked + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS;
1048      }
1049  
1050      echo '<h2 class="wp-current-version">';
1051      /* translators: Current version of WordPress. */
1052      printf( __( 'Current version: %s' ), get_bloginfo( 'version' ) );
1053      echo '</h2>';
1054  
1055      echo '<p class="update-last-checked">';
1056      /* translators: 1: Date, 2: Time. */
1057      printf( __( 'Last checked on %1$s at %2$s.' ), date_i18n( __( 'F j, Y' ), $last_update_check ), date_i18n( __( 'g:i a T' ), $last_update_check ) );
1058      echo ' <a href="' . esc_url( self_admin_url( 'update-core.php?force-check=1' ) ) . '">' . __( 'Check again.' ) . '</a>';
1059      echo '</p>';
1060  
1061      if ( current_user_can( 'update_core' ) ) {
1062          core_auto_updates_settings();
1063          core_upgrade_preamble();
1064      }
1065      if ( current_user_can( 'update_plugins' ) ) {
1066          list_plugin_updates();
1067      }
1068      if ( current_user_can( 'update_themes' ) ) {
1069          list_theme_updates();
1070      }
1071      if ( current_user_can( 'update_languages' ) ) {
1072          list_translation_updates();
1073      }
1074  
1075      /**
1076       * Fires after the core, plugin, and theme update tables.
1077       *
1078       * @since 2.9.0
1079       */
1080      do_action( 'core_upgrade_preamble' );
1081      echo '</div>';
1082  
1083      wp_localize_script(
1084          'updates',
1085          '_wpUpdatesItemCounts',
1086          array(
1087              'totals' => wp_get_update_data(),
1088          )
1089      );
1090  
1091      require_once  ABSPATH . 'wp-admin/admin-footer.php';
1092  
1093  } elseif ( 'do-core-upgrade' === $action || 'do-core-reinstall' === $action ) {
1094  
1095      if ( ! current_user_can( 'update_core' ) ) {
1096          wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
1097      }
1098  
1099      check_admin_referer( 'upgrade-core' );
1100  
1101      // Do the (un)dismiss actions before headers, so that they can redirect.
1102      if ( isset( $_POST['dismiss'] ) ) {
1103          do_dismiss_core_update();
1104      } elseif ( isset( $_POST['undismiss'] ) ) {
1105          do_undismiss_core_update();
1106      }
1107  
1108      require_once  ABSPATH . 'wp-admin/admin-header.php';
1109      if ( 'do-core-reinstall' === $action ) {
1110          $reinstall = true;
1111      } else {
1112          $reinstall = false;
1113      }
1114  
1115      if ( isset( $_POST['upgrade'] ) ) {
1116          do_core_upgrade( $reinstall );
1117      }
1118  
1119      wp_localize_script(
1120          'updates',
1121          '_wpUpdatesItemCounts',
1122          array(
1123              'totals' => wp_get_update_data(),
1124          )
1125      );
1126  
1127      require_once  ABSPATH . 'wp-admin/admin-footer.php';
1128  
1129  } elseif ( 'do-plugin-upgrade' === $action ) {
1130  
1131      if ( ! current_user_can( 'update_plugins' ) ) {
1132          wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
1133      }
1134  
1135      check_admin_referer( 'upgrade-core' );
1136  
1137      if ( isset( $_GET['plugins'] ) ) {
1138          $plugins = explode( ',', $_GET['plugins'] );
1139      } elseif ( isset( $_POST['checked'] ) ) {
1140          $plugins = (array) $_POST['checked'];
1141      } else {
1142          wp_redirect( admin_url( 'update-core.php' ) );
1143          exit;
1144      }
1145  
1146      $url = 'update.php?action=update-selected&plugins=' . urlencode( implode( ',', $plugins ) );
1147      $url = wp_nonce_url( $url, 'bulk-update-plugins' );
1148  
1149      // Used in the HTML title tag.
1150      $title = __( 'Update Plugins' );
1151  
1152      require_once  ABSPATH . 'wp-admin/admin-header.php';
1153      ?>
1154      <div class="wrap">
1155          <h1><?php _e( 'Update Plugins' ); ?></h1>
1156          <iframe src="<?php echo $url; ?>" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="<?php esc_attr_e( 'Update progress' ); ?>"></iframe>
1157      </div>
1158      <?php
1159  
1160      wp_localize_script(
1161          'updates',
1162          '_wpUpdatesItemCounts',
1163          array(
1164              'totals' => wp_get_update_data(),
1165          )
1166      );
1167  
1168      require_once  ABSPATH . 'wp-admin/admin-footer.php';
1169  
1170  } elseif ( 'do-theme-upgrade' === $action ) {
1171  
1172      if ( ! current_user_can( 'update_themes' ) ) {
1173          wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
1174      }
1175  
1176      check_admin_referer( 'upgrade-core' );
1177  
1178      if ( isset( $_GET['themes'] ) ) {
1179          $themes = explode( ',', $_GET['themes'] );
1180      } elseif ( isset( $_POST['checked'] ) ) {
1181          $themes = (array) $_POST['checked'];
1182      } else {
1183          wp_redirect( admin_url( 'update-core.php' ) );
1184          exit;
1185      }
1186  
1187      $url = 'update.php?action=update-selected-themes&themes=' . urlencode( implode( ',', $themes ) );
1188      $url = wp_nonce_url( $url, 'bulk-update-themes' );
1189  
1190      // Used in the HTML title tag.
1191      $title = __( 'Update Themes' );
1192  
1193      require_once  ABSPATH . 'wp-admin/admin-header.php';
1194      ?>
1195      <div class="wrap">
1196          <h1><?php _e( 'Update Themes' ); ?></h1>
1197          <iframe src="<?php echo $url; ?>" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="<?php esc_attr_e( 'Update progress' ); ?>"></iframe>
1198      </div>
1199      <?php
1200  
1201      wp_localize_script(
1202          'updates',
1203          '_wpUpdatesItemCounts',
1204          array(
1205              'totals' => wp_get_update_data(),
1206          )
1207      );
1208  
1209      require_once  ABSPATH . 'wp-admin/admin-footer.php';
1210  
1211  } elseif ( 'do-translation-upgrade' === $action ) {
1212  
1213      if ( ! current_user_can( 'update_languages' ) ) {
1214          wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
1215      }
1216  
1217      check_admin_referer( 'upgrade-translations' );
1218  
1219      require_once  ABSPATH . 'wp-admin/admin-header.php';
1220      require_once  ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
1221  
1222      $url     = 'update-core.php?action=do-translation-upgrade';
1223      $nonce   = 'upgrade-translations';
1224      $title   = __( 'Update Translations' );
1225      $context = WP_LANG_DIR;
1226  
1227      $upgrader = new Language_Pack_Upgrader( new Language_Pack_Upgrader_Skin( compact( 'url', 'nonce', 'title', 'context' ) ) );
1228      $result   = $upgrader->bulk_upgrade();
1229  
1230      wp_localize_script(
1231          'updates',
1232          '_wpUpdatesItemCounts',
1233          array(
1234              'totals' => wp_get_update_data(),
1235          )
1236      );
1237  
1238      require_once  ABSPATH . 'wp-admin/admin-footer.php';
1239  
1240  } elseif ( 'core-major-auto-updates-settings' === $action ) {
1241  
1242      if ( ! current_user_can( 'update_core' ) ) {
1243          wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
1244      }
1245  
1246      $redirect_url = self_admin_url( 'update-core.php' );
1247  
1248      if ( isset( $_GET['value'] ) ) {
1249          check_admin_referer( 'core-major-auto-updates-nonce' );
1250  
1251          if ( 'enable' === $_GET['value'] ) {
1252              update_site_option( 'auto_update_core_major', 'enabled' );
1253              $redirect_url = add_query_arg( 'core-major-auto-updates-saved', 'enabled', $redirect_url );
1254          } elseif ( 'disable' === $_GET['value'] ) {
1255              update_site_option( 'auto_update_core_major', 'disabled' );
1256              $redirect_url = add_query_arg( 'core-major-auto-updates-saved', 'disabled', $redirect_url );
1257          }
1258      }
1259  
1260      wp_redirect( $redirect_url );
1261      exit;
1262  } else {
1263      /**
1264       * Fires for each custom update action on the WordPress Updates screen.
1265       *
1266       * The dynamic portion of the hook name, `$action`, refers to the
1267       * passed update action. The hook fires in lieu of all available
1268       * default update actions.
1269       *
1270       * @since 3.2.0
1271       */
1272      do_action( "update-core-custom_{$action}" );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
1273  }


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