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

   1  <?php
   2  /**
   3   * WordPress Administration Update API
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /**
  10   * Selects the first update version from the update_core option.
  11   *
  12   * @since 2.7.0
  13   *
  14   * @return object|array|false The response from the API on success, false on failure.
  15   */
  16  function get_preferred_from_update_core() {
  17      $updates = get_core_updates();
  18      if ( ! is_array( $updates ) ) {
  19          return false;
  20      }
  21      if ( empty( $updates ) ) {
  22          return (object) array( 'response' => 'latest' );
  23      }
  24      return $updates[0];
  25  }
  26  
  27  /**
  28   * Gets available core updates.
  29   *
  30   * @since 2.7.0
  31   *
  32   * @param array $options Set $options['dismissed'] to true to show dismissed upgrades too,
  33   *                       set $options['available'] to false to skip not-dismissed updates.
  34   * @return array|false Array of the update objects on success, false on failure.
  35   */
  36  function get_core_updates( $options = array() ) {
  37      $options   = array_merge(
  38          array(
  39              'available' => true,
  40              'dismissed' => false,
  41          ),
  42          $options
  43      );
  44      $dismissed = get_site_option( 'dismissed_update_core' );
  45  
  46      if ( ! is_array( $dismissed ) ) {
  47          $dismissed = array();
  48      }
  49  
  50      $from_api = get_site_transient( 'update_core' );
  51  
  52      if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) ) {
  53          return false;
  54      }
  55  
  56      $updates = $from_api->updates;
  57      $result  = array();
  58      foreach ( $updates as $update ) {
  59          if ( 'autoupdate' === $update->response ) {
  60              continue;
  61          }
  62  
  63          if ( array_key_exists( $update->current . '|' . $update->locale, $dismissed ) ) {
  64              if ( $options['dismissed'] ) {
  65                  $update->dismissed = true;
  66                  $result[]          = $update;
  67              }
  68          } else {
  69              if ( $options['available'] ) {
  70                  $update->dismissed = false;
  71                  $result[]          = $update;
  72              }
  73          }
  74      }
  75      return $result;
  76  }
  77  
  78  /**
  79   * Gets the best available (and enabled) Auto-Update for WordPress core.
  80   *
  81   * If there's 1.2.3 and 1.3 on offer, it'll choose 1.3 if the installation allows it, else, 1.2.3.
  82   *
  83   * @since 3.7.0
  84   *
  85   * @return object|false The core update offering on success, false on failure.
  86   */
  87  function find_core_auto_update() {
  88      $updates = get_site_transient( 'update_core' );
  89      if ( ! $updates || empty( $updates->updates ) ) {
  90          return false;
  91      }
  92  
  93      require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
  94  
  95      $auto_update = false;
  96      $upgrader    = new WP_Automatic_Updater;
  97      foreach ( $updates->updates as $update ) {
  98          if ( 'autoupdate' !== $update->response ) {
  99              continue;
 100          }
 101  
 102          if ( ! $upgrader->should_update( 'core', $update, ABSPATH ) ) {
 103              continue;
 104          }
 105  
 106          if ( ! $auto_update || version_compare( $update->current, $auto_update->current, '>' ) ) {
 107              $auto_update = $update;
 108          }
 109      }
 110      return $auto_update;
 111  }
 112  
 113  /**
 114   * Gets and caches the checksums for the given version of WordPress.
 115   *
 116   * @since 3.7.0
 117   *
 118   * @param string $version Version string to query.
 119   * @param string $locale  Locale to query.
 120   * @return array|false An array of checksums on success, false on failure.
 121   */
 122  function get_core_checksums( $version, $locale ) {
 123      $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), null, '&' );
 124      $url      = $http_url;
 125  
 126      $ssl = wp_http_supports( array( 'ssl' ) );
 127      if ( $ssl ) {
 128          $url = set_url_scheme( $url, 'https' );
 129      }
 130  
 131      $options = array(
 132          'timeout' => wp_doing_cron() ? 30 : 3,
 133      );
 134  
 135      $response = wp_remote_get( $url, $options );
 136      if ( $ssl && is_wp_error( $response ) ) {
 137          trigger_error(
 138              sprintf(
 139                  /* translators: %s: Support forums URL. */
 140                  __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
 141                  __( 'https://wordpress.org/support/forums/' )
 142              ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
 143              headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
 144          );
 145          $response = wp_remote_get( $http_url, $options );
 146      }
 147  
 148      if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) ) {
 149          return false;
 150      }
 151  
 152      $body = trim( wp_remote_retrieve_body( $response ) );
 153      $body = json_decode( $body, true );
 154  
 155      if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) ) {
 156          return false;
 157      }
 158  
 159      return $body['checksums'];
 160  }
 161  
 162  /**
 163   * Dismisses core update.
 164   *
 165   * @since 2.7.0
 166   *
 167   * @param object $update
 168   * @return bool
 169   */
 170  function dismiss_core_update( $update ) {
 171      $dismissed = get_site_option( 'dismissed_update_core' );
 172      $dismissed[ $update->current . '|' . $update->locale ] = true;
 173      return update_site_option( 'dismissed_update_core', $dismissed );
 174  }
 175  
 176  /**
 177   * Undismisses core update.
 178   *
 179   * @since 2.7.0
 180   *
 181   * @param string $version
 182   * @param string $locale
 183   * @return bool
 184   */
 185  function undismiss_core_update( $version, $locale ) {
 186      $dismissed = get_site_option( 'dismissed_update_core' );
 187      $key       = $version . '|' . $locale;
 188  
 189      if ( ! isset( $dismissed[ $key ] ) ) {
 190          return false;
 191      }
 192  
 193      unset( $dismissed[ $key ] );
 194      return update_site_option( 'dismissed_update_core', $dismissed );
 195  }
 196  
 197  /**
 198   * Finds the available update for WordPress core.
 199   *
 200   * @since 2.7.0
 201   *
 202   * @param string $version Version string to find the update for.
 203   * @param string $locale  Locale to find the update for.
 204   * @return object|false The core update offering on success, false on failure.
 205   */
 206  function find_core_update( $version, $locale ) {
 207      $from_api = get_site_transient( 'update_core' );
 208  
 209      if ( ! isset( $from_api->updates ) || ! is_array( $from_api->updates ) ) {
 210          return false;
 211      }
 212  
 213      $updates = $from_api->updates;
 214      foreach ( $updates as $update ) {
 215          if ( $update->current == $version && $update->locale == $locale ) {
 216              return $update;
 217          }
 218      }
 219      return false;
 220  }
 221  
 222  /**
 223   * @since 2.3.0
 224   *
 225   * @param string $msg
 226   * @return string
 227   */
 228  function core_update_footer( $msg = '' ) {
 229      if ( ! current_user_can( 'update_core' ) ) {
 230          /* translators: %s: WordPress version. */
 231          return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
 232      }
 233  
 234      $cur = get_preferred_from_update_core();
 235      if ( ! is_object( $cur ) ) {
 236          $cur = new stdClass;
 237      }
 238  
 239      if ( ! isset( $cur->current ) ) {
 240          $cur->current = '';
 241      }
 242  
 243      if ( ! isset( $cur->response ) ) {
 244          $cur->response = '';
 245      }
 246  
 247      // Include an unmodified $wp_version.
 248      require  ABSPATH . WPINC . '/version.php';
 249  
 250      $is_development_version = preg_match( '/alpha|beta|RC/', $wp_version );
 251  
 252      if ( $is_development_version ) {
 253          return sprintf(
 254              /* translators: 1: WordPress version number, 2: URL to WordPress Updates screen. */
 255              __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ),
 256              get_bloginfo( 'version', 'display' ),
 257              network_admin_url( 'update-core.php' )
 258          );
 259      }
 260  
 261      switch ( $cur->response ) {
 262          case 'upgrade':
 263              return sprintf(
 264                  '<strong><a href="%s">%s</a></strong>',
 265                  network_admin_url( 'update-core.php' ),
 266                  /* translators: %s: WordPress version. */
 267                  sprintf( __( 'Get Version %s' ), $cur->current )
 268              );
 269  
 270          case 'latest':
 271          default:
 272              /* translators: %s: WordPress version. */
 273              return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );
 274      }
 275  }
 276  
 277  /**
 278   * @since 2.3.0
 279   *
 280   * @global string $pagenow
 281   * @return void|false
 282   */
 283  function update_nag() {
 284      if ( is_multisite() && ! current_user_can( 'update_core' ) ) {
 285          return false;
 286      }
 287  
 288      global $pagenow;
 289  
 290      if ( 'update-core.php' === $pagenow ) {
 291          return;
 292      }
 293  
 294      $cur = get_preferred_from_update_core();
 295  
 296      if ( ! isset( $cur->response ) || 'upgrade' !== $cur->response ) {
 297          return false;
 298      }
 299  
 300      $version_url = sprintf(
 301          /* translators: %s: WordPress version. */
 302          esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
 303          sanitize_title( $cur->current )
 304      );
 305  
 306      if ( current_user_can( 'update_core' ) ) {
 307          $msg = sprintf(
 308              /* translators: 1: URL to WordPress release notes, 2: New WordPress version, 3: URL to network admin, 4: Accessibility text. */
 309              __( '<a href="%1$s">WordPress %2$s</a> is available! <a href="%3$s" aria-label="%4$s">Please update now</a>.' ),
 310              $version_url,
 311              $cur->current,
 312              network_admin_url( 'update-core.php' ),
 313              esc_attr__( 'Please update WordPress now' )
 314          );
 315      } else {
 316          $msg = sprintf(
 317              /* translators: 1: URL to WordPress release notes, 2: New WordPress version. */
 318              __( '<a href="%1$s">WordPress %2$s</a> is available! Please notify the site administrator.' ),
 319              $version_url,
 320              $cur->current
 321          );
 322      }
 323  
 324      echo "<div class='update-nag notice notice-warning inline'>$msg</div>";
 325  }
 326  
 327  /**
 328   * Displays WordPress version and active theme in the 'At a Glance' dashboard widget.
 329   *
 330   * @since 2.5.0
 331   */
 332  function update_right_now_message() {
 333      $theme_name = wp_get_theme();
 334      if ( current_user_can( 'switch_themes' ) ) {
 335          $theme_name = sprintf( '<a href="themes.php">%1$s</a>', $theme_name );
 336      }
 337  
 338      $msg = '';
 339  
 340      if ( current_user_can( 'update_core' ) ) {
 341          $cur = get_preferred_from_update_core();
 342  
 343          if ( isset( $cur->response ) && 'upgrade' === $cur->response ) {
 344              $msg .= sprintf(
 345                  '<a href="%s" class="button" aria-describedby="wp-version">%s</a> ',
 346                  network_admin_url( 'update-core.php' ),
 347                  /* translators: %s: WordPress version number, or 'Latest' string. */
 348                  sprintf( __( 'Update to %s' ), $cur->current ? $cur->current : __( 'Latest' ) )
 349              );
 350          }
 351      }
 352  
 353      /* translators: 1: Version number, 2: Theme name. */
 354      $content = __( 'WordPress %1$s running %2$s theme.' );
 355  
 356      /**
 357       * Filters the text displayed in the 'At a Glance' dashboard widget.
 358       *
 359       * Prior to 3.8.0, the widget was named 'Right Now'.
 360       *
 361       * @since 4.4.0
 362       *
 363       * @param string $content Default text.
 364       */
 365      $content = apply_filters( 'update_right_now_text', $content );
 366  
 367      $msg .= sprintf( '<span id="wp-version">' . $content . '</span>', get_bloginfo( 'version', 'display' ), $theme_name );
 368  
 369      echo "<p id='wp-version-message'>$msg</p>";
 370  }
 371  
 372  /**
 373   * @since 2.9.0
 374   *
 375   * @return array
 376   */
 377  function get_plugin_updates() {
 378      $all_plugins     = get_plugins();
 379      $upgrade_plugins = array();
 380      $current         = get_site_transient( 'update_plugins' );
 381      foreach ( (array) $all_plugins as $plugin_file => $plugin_data ) {
 382          if ( isset( $current->response[ $plugin_file ] ) ) {
 383              $upgrade_plugins[ $plugin_file ]         = (object) $plugin_data;
 384              $upgrade_plugins[ $plugin_file ]->update = $current->response[ $plugin_file ];
 385          }
 386      }
 387  
 388      return $upgrade_plugins;
 389  }
 390  
 391  /**
 392   * @since 2.9.0
 393   */
 394  function wp_plugin_update_rows() {
 395      if ( ! current_user_can( 'update_plugins' ) ) {
 396          return;
 397      }
 398  
 399      $plugins = get_site_transient( 'update_plugins' );
 400      if ( isset( $plugins->response ) && is_array( $plugins->response ) ) {
 401          $plugins = array_keys( $plugins->response );
 402          foreach ( $plugins as $plugin_file ) {
 403              add_action( "after_plugin_row_{$plugin_file}", 'wp_plugin_update_row', 10, 2 );
 404          }
 405      }
 406  }
 407  
 408  /**
 409   * Displays update information for a plugin.
 410   *
 411   * @since 2.3.0
 412   *
 413   * @param string $file        Plugin basename.
 414   * @param array  $plugin_data Plugin information.
 415   * @return void|false
 416   */
 417  function wp_plugin_update_row( $file, $plugin_data ) {
 418      $current = get_site_transient( 'update_plugins' );
 419      if ( ! isset( $current->response[ $file ] ) ) {
 420          return false;
 421      }
 422  
 423      $response = $current->response[ $file ];
 424  
 425      $plugins_allowedtags = array(
 426          'a'       => array(
 427              'href'  => array(),
 428              'title' => array(),
 429          ),
 430          'abbr'    => array( 'title' => array() ),
 431          'acronym' => array( 'title' => array() ),
 432          'code'    => array(),
 433          'em'      => array(),
 434          'strong'  => array(),
 435      );
 436  
 437      $plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags );
 438      $plugin_slug = isset( $response->slug ) ? $response->slug : $response->id;
 439  
 440      if ( isset( $response->slug ) ) {
 441          $details_url = self_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $plugin_slug . '&section=changelog' );
 442      } elseif ( isset( $response->url ) ) {
 443          $details_url = $response->url;
 444      } else {
 445          $details_url = $plugin_data['PluginURI'];
 446      }
 447  
 448      $details_url = add_query_arg(
 449          array(
 450              'TB_iframe' => 'true',
 451              'width'     => 600,
 452              'height'    => 800,
 453          ),
 454          $details_url
 455      );
 456  
 457      /** @var WP_Plugins_List_Table $wp_list_table */
 458      $wp_list_table = _get_list_table(
 459          'WP_Plugins_List_Table',
 460          array(
 461              'screen' => get_current_screen(),
 462          )
 463      );
 464  
 465      if ( is_network_admin() || ! is_multisite() ) {
 466          if ( is_network_admin() ) {
 467              $active_class = is_plugin_active_for_network( $file ) ? ' active' : '';
 468          } else {
 469              $active_class = is_plugin_active( $file ) ? ' active' : '';
 470          }
 471  
 472          $requires_php   = isset( $response->requires_php ) ? $response->requires_php : null;
 473          $compatible_php = is_php_version_compatible( $requires_php );
 474          $notice_type    = $compatible_php ? 'notice-warning' : 'notice-error';
 475  
 476          printf(
 477              '<tr class="plugin-update-tr%s" id="%s" data-slug="%s" data-plugin="%s">' .
 478              '<td colspan="%s" class="plugin-update colspanchange">' .
 479              '<div class="update-message notice inline %s notice-alt"><p>',
 480              $active_class,
 481              esc_attr( $plugin_slug . '-update' ),
 482              esc_attr( $plugin_slug ),
 483              esc_attr( $file ),
 484              esc_attr( $wp_list_table->get_column_count() ),
 485              $notice_type
 486          );
 487  
 488          if ( ! current_user_can( 'update_plugins' ) ) {
 489              printf(
 490                  /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 491                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ),
 492                  $plugin_name,
 493                  esc_url( $details_url ),
 494                  sprintf(
 495                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 496                      /* translators: 1: Plugin name, 2: Version number. */
 497                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 498                  ),
 499                  esc_attr( $response->new_version )
 500              );
 501          } elseif ( empty( $response->package ) ) {
 502              printf(
 503                  /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 504                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this plugin.</em>' ),
 505                  $plugin_name,
 506                  esc_url( $details_url ),
 507                  sprintf(
 508                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 509                      /* translators: 1: Plugin name, 2: Version number. */
 510                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 511                  ),
 512                  esc_attr( $response->new_version )
 513              );
 514          } else {
 515              if ( $compatible_php ) {
 516                  printf(
 517                      /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number, 5: Update URL, 6: Additional link attributes. */
 518                      __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ),
 519                      $plugin_name,
 520                      esc_url( $details_url ),
 521                      sprintf(
 522                          'class="thickbox open-plugin-details-modal" aria-label="%s"',
 523                          /* translators: 1: Plugin name, 2: Version number. */
 524                          esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_name, $response->new_version ) )
 525                      ),
 526                      esc_attr( $response->new_version ),
 527                      wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $file, 'upgrade-plugin_' . $file ),
 528                      sprintf(
 529                          'class="update-link" aria-label="%s"',
 530                          /* translators: %s: Plugin name. */
 531                          esc_attr( sprintf( _x( 'Update %s now', 'plugin' ), $plugin_name ) )
 532                      )
 533                  );
 534              } else {
 535                  printf(
 536                      /* translators: 1: Plugin name, 2: Details URL, 3: Additional link attributes, 4: Version number 5: URL to Update PHP page. */
 537                      __( 'There is a new version of %1$s available, but it doesn&#8217;t work with your version of PHP. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s">learn more about updating PHP</a>.' ),
 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( $response->new_version ),
 546                      esc_url( wp_get_update_php_url() )
 547                  );
 548                  wp_update_php_annotation( '<br><em>', '</em>' );
 549              }
 550          }
 551  
 552          /**
 553           * Fires at the end of the update message container in each
 554           * row of the plugins list table.
 555           *
 556           * The dynamic portion of the hook name, `$file`, refers to the path
 557           * of the plugin's primary file relative to the plugins directory.
 558           *
 559           * @since 2.8.0
 560           *
 561           * @param array $plugin_data {
 562           *     An array of plugin metadata.
 563           *
 564           *     @type string $name        The human-readable name of the plugin.
 565           *     @type string $plugin_uri  Plugin URI.
 566           *     @type string $version     Plugin version.
 567           *     @type string $description Plugin description.
 568           *     @type string $author      Plugin author.
 569           *     @type string $author_uri  Plugin author URI.
 570           *     @type string $text_domain Plugin text domain.
 571           *     @type string $domain_path Relative path to the plugin's .mo file(s).
 572           *     @type bool   $network     Whether the plugin can only be activated network wide.
 573           *     @type string $title       The human-readable title of the plugin.
 574           *     @type string $author_name Plugin author's name.
 575           *     @type bool   $update      Whether there's an available update. Default null.
 576           * }
 577           * @param array $response {
 578           *     An array of metadata about the available plugin update.
 579           *
 580           *     @type int    $id          Plugin ID.
 581           *     @type string $slug        Plugin slug.
 582           *     @type string $new_version New plugin version.
 583           *     @type string $url         Plugin URL.
 584           *     @type string $package     Plugin update package URL.
 585           * }
 586           */
 587          do_action( "in_plugin_update_message-{$file}", $plugin_data, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 588  
 589          echo '</p></div></td></tr>';
 590      }
 591  }
 592  
 593  /**
 594   * @since 2.9.0
 595   *
 596   * @return array
 597   */
 598  function get_theme_updates() {
 599      $current = get_site_transient( 'update_themes' );
 600  
 601      if ( ! isset( $current->response ) ) {
 602          return array();
 603      }
 604  
 605      $update_themes = array();
 606      foreach ( $current->response as $stylesheet => $data ) {
 607          $update_themes[ $stylesheet ]         = wp_get_theme( $stylesheet );
 608          $update_themes[ $stylesheet ]->update = $data;
 609      }
 610  
 611      return $update_themes;
 612  }
 613  
 614  /**
 615   * @since 3.1.0
 616   */
 617  function wp_theme_update_rows() {
 618      if ( ! current_user_can( 'update_themes' ) ) {
 619          return;
 620      }
 621  
 622      $themes = get_site_transient( 'update_themes' );
 623      if ( isset( $themes->response ) && is_array( $themes->response ) ) {
 624          $themes = array_keys( $themes->response );
 625  
 626          foreach ( $themes as $theme ) {
 627              add_action( "after_theme_row_{$theme}", 'wp_theme_update_row', 10, 2 );
 628          }
 629      }
 630  }
 631  
 632  /**
 633   * Displays update information for a theme.
 634   *
 635   * @since 3.1.0
 636   *
 637   * @param string   $theme_key Theme stylesheet.
 638   * @param WP_Theme $theme     Theme object.
 639   * @return void|false
 640   */
 641  function wp_theme_update_row( $theme_key, $theme ) {
 642      $current = get_site_transient( 'update_themes' );
 643  
 644      if ( ! isset( $current->response[ $theme_key ] ) ) {
 645          return false;
 646      }
 647  
 648      $response = $current->response[ $theme_key ];
 649  
 650      $details_url = add_query_arg(
 651          array(
 652              'TB_iframe' => 'true',
 653              'width'     => 1024,
 654              'height'    => 800,
 655          ),
 656          $current->response[ $theme_key ]['url']
 657      );
 658  
 659      /** @var WP_MS_Themes_List_Table $wp_list_table */
 660      $wp_list_table = _get_list_table( 'WP_MS_Themes_List_Table' );
 661  
 662      $active = $theme->is_allowed( 'network' ) ? ' active' : '';
 663  
 664      $requires_wp  = isset( $response['requires'] ) ? $response['requires'] : null;
 665      $requires_php = isset( $response['requires_php'] ) ? $response['requires_php'] : null;
 666  
 667      $compatible_wp  = is_wp_version_compatible( $requires_wp );
 668      $compatible_php = is_php_version_compatible( $requires_php );
 669  
 670      printf(
 671          '<tr class="plugin-update-tr%s" id="%s" data-slug="%s">' .
 672          '<td colspan="%s" class="plugin-update colspanchange">' .
 673          '<div class="update-message notice inline notice-warning notice-alt"><p>',
 674          $active,
 675          esc_attr( $theme->get_stylesheet() . '-update' ),
 676          esc_attr( $theme->get_stylesheet() ),
 677          $wp_list_table->get_column_count()
 678      );
 679  
 680      if ( $compatible_wp && $compatible_php ) {
 681          if ( ! current_user_can( 'update_themes' ) ) {
 682              printf(
 683                  /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 684                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ),
 685                  $theme['Name'],
 686                  esc_url( $details_url ),
 687                  sprintf(
 688                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 689                      /* translators: 1: Theme name, 2: Version number. */
 690                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 691                  ),
 692                  $response['new_version']
 693              );
 694          } elseif ( empty( $response['package'] ) ) {
 695              printf(
 696                  /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number. */
 697                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ),
 698                  $theme['Name'],
 699                  esc_url( $details_url ),
 700                  sprintf(
 701                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 702                      /* translators: 1: Theme name, 2: Version number. */
 703                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 704                  ),
 705                  $response['new_version']
 706              );
 707          } else {
 708              printf(
 709                  /* translators: 1: Theme name, 2: Details URL, 3: Additional link attributes, 4: Version number, 5: Update URL, 6: Additional link attributes. */
 710                  __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ),
 711                  $theme['Name'],
 712                  esc_url( $details_url ),
 713                  sprintf(
 714                      'class="thickbox open-plugin-details-modal" aria-label="%s"',
 715                      /* translators: 1: Theme name, 2: Version number. */
 716                      esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme['Name'], $response['new_version'] ) )
 717                  ),
 718                  $response['new_version'],
 719                  wp_nonce_url( self_admin_url( 'update.php?action=upgrade-theme&theme=' ) . $theme_key, 'upgrade-theme_' . $theme_key ),
 720                  sprintf(
 721                      'class="update-link" aria-label="%s"',
 722                      /* translators: %s: Theme name. */
 723                      esc_attr( sprintf( _x( 'Update %s now', 'theme' ), $theme['Name'] ) )
 724                  )
 725              );
 726          }
 727      } else {
 728          if ( ! $compatible_wp && ! $compatible_php ) {
 729              printf(
 730                  /* translators: %s: Theme name. */
 731                  __( 'There is a new version of %s available, but it doesn&#8217;t work with your versions of WordPress and PHP.' ),
 732                  $theme['Name']
 733              );
 734              if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) {
 735                  printf(
 736                      /* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */
 737                      ' ' . __( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ),
 738                      self_admin_url( 'update-core.php' ),
 739                      esc_url( wp_get_update_php_url() )
 740                  );
 741                  wp_update_php_annotation( '</p><p><em>', '</em>' );
 742              } elseif ( current_user_can( 'update_core' ) ) {
 743                  printf(
 744                      /* translators: %s: URL to WordPress Updates screen. */
 745                      ' ' . __( '<a href="%s">Please update WordPress</a>.' ),
 746                      self_admin_url( 'update-core.php' )
 747                  );
 748              } elseif ( current_user_can( 'update_php' ) ) {
 749                  printf(
 750                      /* translators: %s: URL to Update PHP page. */
 751                      ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ),
 752                      esc_url( wp_get_update_php_url() )
 753                  );
 754                  wp_update_php_annotation( '</p><p><em>', '</em>' );
 755              }
 756          } elseif ( ! $compatible_wp ) {
 757              printf(
 758                  /* translators: %s: Theme name. */
 759                  __( 'There is a new version of %s available, but it doesn&#8217;t work with your version of WordPress.' ),
 760                  $theme['Name']
 761              );
 762              if ( current_user_can( 'update_core' ) ) {
 763                  printf(
 764                      /* translators: %s: URL to WordPress Updates screen. */
 765                      ' ' . __( '<a href="%s">Please update WordPress</a>.' ),
 766                      self_admin_url( 'update-core.php' )
 767                  );
 768              }
 769          } elseif ( ! $compatible_php ) {
 770              printf(
 771                  /* translators: %s: Theme name. */
 772                  __( 'There is a new version of %s available, but it doesn&#8217;t work with your version of PHP.' ),
 773                  $theme['Name']
 774              );
 775              if ( current_user_can( 'update_php' ) ) {
 776                  printf(
 777                      /* translators: %s: URL to Update PHP page. */
 778                      ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ),
 779                      esc_url( wp_get_update_php_url() )
 780                  );
 781                  wp_update_php_annotation( '</p><p><em>', '</em>' );
 782              }
 783          }
 784      }
 785  
 786      /**
 787       * Fires at the end of the update message container in each
 788       * row of the themes list table.
 789       *
 790       * The dynamic portion of the hook name, `$theme_key`, refers to
 791       * the theme slug as found in the WordPress.org themes repository.
 792       *
 793       * @since 3.1.0
 794       *
 795       * @param WP_Theme $theme    The WP_Theme object.
 796       * @param array    $response {
 797       *     An array of metadata about the available theme update.
 798       *
 799       *     @type string $new_version New theme version.
 800       *     @type string $url         Theme URL.
 801       *     @type string $package     Theme update package URL.
 802       * }
 803       */
 804      do_action( "in_theme_update_message-{$theme_key}", $theme, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 805  
 806      echo '</p></div></td></tr>';
 807  }
 808  
 809  /**
 810   * @since 2.7.0
 811   *
 812   * @global int $upgrading
 813   * @return void|false
 814   */
 815  function maintenance_nag() {
 816      // Include an unmodified $wp_version.
 817      require  ABSPATH . WPINC . '/version.php';
 818      global $upgrading;
 819      $nag = isset( $upgrading );
 820      if ( ! $nag ) {
 821          $failed = get_site_option( 'auto_core_update_failed' );
 822          /*
 823           * If an update failed critically, we may have copied over version.php but not other files.
 824           * In that case, if the installation claims we're running the version we attempted, nag.
 825           * This is serious enough to err on the side of nagging.
 826           *
 827           * If we simply failed to update before we tried to copy any files, then assume things are
 828           * OK if they are now running the latest.
 829           *
 830           * This flag is cleared whenever a successful update occurs using Core_Upgrader.
 831           */
 832          $comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
 833          if ( isset( $failed['attempted'] ) && version_compare( $failed['attempted'], $wp_version, $comparison ) ) {
 834              $nag = true;
 835          }
 836      }
 837  
 838      if ( ! $nag ) {
 839          return false;
 840      }
 841  
 842      if ( current_user_can( 'update_core' ) ) {
 843          $msg = sprintf(
 844              /* translators: %s: URL to WordPress Updates screen. */
 845              __( 'An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.' ),
 846              'update-core.php'
 847          );
 848      } else {
 849          $msg = __( 'An automated WordPress update has failed to complete! Please notify the site administrator.' );
 850      }
 851  
 852      echo "<div class='update-nag notice notice-warning inline'>$msg</div>";
 853  }
 854  
 855  /**
 856   * Prints the JavaScript templates for update admin notices.
 857   *
 858   * Template takes one argument with four values:
 859   *
 860   *     param {object} data {
 861   *         Arguments for admin notice.
 862   *
 863   *         @type string id        ID of the notice.
 864   *         @type string className Class names for the notice.
 865   *         @type string message   The notice's message.
 866   *         @type string type      The type of update the notice is for. Either 'plugin' or 'theme'.
 867   *     }
 868   *
 869   * @since 4.6.0
 870   */
 871  function wp_print_admin_notice_templates() {
 872      ?>
 873      <script id="tmpl-wp-updates-admin-notice" type="text/html">
 874          <div <# if ( data.id ) { #>id="{{ data.id }}"<# } #> class="notice {{ data.className }}"><p>{{{ data.message }}}</p></div>
 875      </script>
 876      <script id="tmpl-wp-bulk-updates-admin-notice" type="text/html">
 877          <div id="{{ data.id }}" class="{{ data.className }} notice <# if ( data.errors ) { #>notice-error<# } else { #>notice-success<# } #>">
 878              <p>
 879                  <# if ( data.successes ) { #>
 880                      <# if ( 1 === data.successes ) { #>
 881                          <# if ( 'plugin' === data.type ) { #>
 882                              <?php
 883                              /* translators: %s: Number of plugins. */
 884                              printf( __( '%s plugin successfully updated.' ), '{{ data.successes }}' );
 885                              ?>
 886                          <# } else { #>
 887                              <?php
 888                              /* translators: %s: Number of themes. */
 889                              printf( __( '%s theme successfully updated.' ), '{{ data.successes }}' );
 890                              ?>
 891                          <# } #>
 892                      <# } else { #>
 893                          <# if ( 'plugin' === data.type ) { #>
 894                              <?php
 895                              /* translators: %s: Number of plugins. */
 896                              printf( __( '%s plugins successfully updated.' ), '{{ data.successes }}' );
 897                              ?>
 898                          <# } else { #>
 899                              <?php
 900                              /* translators: %s: Number of themes. */
 901                              printf( __( '%s themes successfully updated.' ), '{{ data.successes }}' );
 902                              ?>
 903                          <# } #>
 904                      <# } #>
 905                  <# } #>
 906                  <# if ( data.errors ) { #>
 907                      <button class="button-link bulk-action-errors-collapsed" aria-expanded="false">
 908                          <# if ( 1 === data.errors ) { #>
 909                              <?php
 910                              /* translators: %s: Number of failed updates. */
 911                              printf( __( '%s update failed.' ), '{{ data.errors }}' );
 912                              ?>
 913                          <# } else { #>
 914                              <?php
 915                              /* translators: %s: Number of failed updates. */
 916                              printf( __( '%s updates failed.' ), '{{ data.errors }}' );
 917                              ?>
 918                          <# } #>
 919                          <span class="screen-reader-text"><?php _e( 'Show more details' ); ?></span>
 920                          <span class="toggle-indicator" aria-hidden="true"></span>
 921                      </button>
 922                  <# } #>
 923              </p>
 924              <# if ( data.errors ) { #>
 925                  <ul class="bulk-action-errors hidden">
 926                      <# _.each( data.errorMessages, function( errorMessage ) { #>
 927                          <li>{{ errorMessage }}</li>
 928                      <# } ); #>
 929                  </ul>
 930              <# } #>
 931          </div>
 932      </script>
 933      <?php
 934  }
 935  
 936  /**
 937   * Prints the JavaScript templates for update and deletion rows in list tables.
 938   *
 939   * The update template takes one argument with four values:
 940   *
 941   *     param {object} data {
 942   *         Arguments for the update row
 943   *
 944   *         @type string slug    Plugin slug.
 945   *         @type string plugin  Plugin base name.
 946   *         @type string colspan The number of table columns this row spans.
 947   *         @type string content The row content.
 948   *     }
 949   *
 950   * The delete template takes one argument with four values:
 951   *
 952   *     param {object} data {
 953   *         Arguments for the update row
 954   *
 955   *         @type string slug    Plugin slug.
 956   *         @type string plugin  Plugin base name.
 957   *         @type string name    Plugin name.
 958   *         @type string colspan The number of table columns this row spans.
 959   *     }
 960   *
 961   * @since 4.6.0
 962   */
 963  function wp_print_update_row_templates() {
 964      ?>
 965      <script id="tmpl-item-update-row" type="text/template">
 966          <tr class="plugin-update-tr update" id="{{ data.slug }}-update" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
 967              <td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
 968                  {{{ data.content }}}
 969              </td>
 970          </tr>
 971      </script>
 972      <script id="tmpl-item-deleted-row" type="text/template">
 973          <tr class="plugin-deleted-tr inactive deleted" id="{{ data.slug }}-deleted" data-slug="{{ data.slug }}" <# if ( data.plugin ) { #>data-plugin="{{ data.plugin }}"<# } #>>
 974              <td colspan="{{ data.colspan }}" class="plugin-update colspanchange">
 975                  <# if ( data.plugin ) { #>
 976                      <?php
 977                      printf(
 978                          /* translators: %s: Plugin name. */
 979                          _x( '%s was successfully deleted.', 'plugin' ),
 980                          '<strong>{{{ data.name }}}</strong>'
 981                      );
 982                      ?>
 983                  <# } else { #>
 984                      <?php
 985                      printf(
 986                          /* translators: %s: Theme name. */
 987                          _x( '%s was successfully deleted.', 'theme' ),
 988                          '<strong>{{{ data.name }}}</strong>'
 989                      );
 990                      ?>
 991                  <# } #>
 992              </td>
 993          </tr>
 994      </script>
 995      <?php
 996  }
 997  
 998  /**
 999   * Displays a notice when the user is in recovery mode.
1000   *
1001   * @since 5.2.0
1002   */
1003  function wp_recovery_mode_nag() {
1004      if ( ! wp_is_recovery_mode() ) {
1005          return;
1006      }
1007  
1008      $url = wp_login_url();
1009      $url = add_query_arg( 'action', WP_Recovery_Mode::EXIT_ACTION, $url );
1010      $url = wp_nonce_url( $url, WP_Recovery_Mode::EXIT_ACTION );
1011  
1012      ?>
1013      <div class="notice notice-info">
1014          <p>
1015              <?php
1016              printf(
1017                  /* translators: %s: Recovery Mode exit link. */
1018                  __( '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>' ),
1019                  esc_url( $url )
1020              );
1021              ?>
1022          </p>
1023      </div>
1024      <?php
1025  }
1026  
1027  /**
1028   * Checks whether auto-updates are enabled.
1029   *
1030   * @since 5.5.0
1031   *
1032   * @param string $type The type of update being checked: 'theme' or 'plugin'.
1033   * @return bool True if auto-updates are enabled for `$type`, false otherwise.
1034   */
1035  function wp_is_auto_update_enabled_for_type( $type ) {
1036      if ( ! class_exists( 'WP_Automatic_Updater' ) ) {
1037          require_once ABSPATH . 'wp-admin/includes/class-wp-automatic-updater.php';
1038      }
1039  
1040      $updater = new WP_Automatic_Updater();
1041      $enabled = ! $updater->is_disabled();
1042  
1043      switch ( $type ) {
1044          case 'plugin':
1045              /**
1046               * Filters whether plugins auto-update is enabled.
1047               *
1048               * @since 5.5.0
1049               *
1050               * @param bool $enabled True if plugins auto-update is enabled, false otherwise.
1051               */
1052              return apply_filters( 'plugins_auto_update_enabled', $enabled );
1053          case 'theme':
1054              /**
1055               * Filters whether themes auto-update is enabled.
1056               *
1057               * @since 5.5.0
1058               *
1059               * @param bool $enabled True if themes auto-update is enabled, false otherwise.
1060               */
1061              return apply_filters( 'themes_auto_update_enabled', $enabled );
1062      }
1063  
1064      return false;
1065  }
1066  
1067  /**
1068   * Checks whether auto-updates are forced for an item.
1069   *
1070   * @since 5.6.0
1071   *
1072   * @param string    $type   The type of update being checked: 'theme' or 'plugin'.
1073   * @param bool|null $update Whether to update. The value of null is internally used
1074   *                          to detect whether nothing has hooked into this filter.
1075   * @param object    $item   The update offer.
1076   * @return bool True if auto-updates are forced for `$item`, false otherwise.
1077   */
1078  function wp_is_auto_update_forced_for_item( $type, $update, $item ) {
1079      /** This filter is documented in wp-admin/includes/class-wp-automatic-updater.php */
1080      return apply_filters( "auto_update_{$type}", $update, $item );
1081  }
1082  
1083  /**
1084   * Determines the appropriate auto-update message to be displayed.
1085   *
1086   * @since 5.5.0
1087   *
1088   * @return string The update message to be shown.
1089   */
1090  function wp_get_auto_update_message() {
1091      $next_update_time = wp_next_scheduled( 'wp_version_check' );
1092  
1093      // Check if the event exists.
1094      if ( false === $next_update_time ) {
1095          $message = __( 'Automatic update not scheduled. There may be a problem with WP-Cron.' );
1096      } else {
1097          $time_to_next_update = human_time_diff( (int) $next_update_time );
1098  
1099          // See if cron is overdue.
1100          $overdue = ( time() - $next_update_time ) > 0;
1101  
1102          if ( $overdue ) {
1103              $message = sprintf(
1104                  /* translators: %s: Duration that WP-Cron has been overdue. */
1105                  __( 'Automatic update overdue by %s. There may be a problem with WP-Cron.' ),
1106                  $time_to_next_update
1107              );
1108          } else {
1109              $message = sprintf(
1110                  /* translators: %s: Time until the next update. */
1111                  __( 'Automatic update scheduled in %s.' ),
1112                  $time_to_next_update
1113              );
1114          }
1115      }
1116  
1117      return $message;
1118  }


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