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/wp-admin/includes/ -> class-wp-debug-data.php (source)

   1  <?php
   2  /**
   3   * Class for providing debug data based on a users WordPress environment.
   4   *
   5   * @package WordPress
   6   * @subpackage Site_Health
   7   * @since 5.2.0
   8   */
   9  
  10  #[AllowDynamicProperties]
  11  class WP_Debug_Data {
  12      /**
  13       * Calls all core functions to check for updates.
  14       *
  15       * @since 5.2.0
  16       */
  17  	public static function check_for_updates() {
  18          wp_version_check();
  19          wp_update_plugins();
  20          wp_update_themes();
  21      }
  22  
  23      /**
  24       * Static function for generating site debug data when required.
  25       *
  26       * @since 5.2.0
  27       * @since 5.3.0 Added database charset, database collation,
  28       *              and timezone information.
  29       * @since 5.5.0 Added pretty permalinks support information.
  30       * @since 6.7.0 Modularized into separate theme-oriented methods.
  31       *
  32       * @throws ImagickException
  33       *
  34       * @return array The debug data for the site.
  35       */
  36  	public static function debug_data() {
  37          /*
  38           * Set up the array that holds all debug information.
  39           *
  40           * When iterating through the debug data, the ordering of the sections
  41           * occurs in insertion-order of the assignments into this array.
  42           *
  43           * This is the single assignment of the sections before filtering. Null-entries will
  44           * be automatically be removed.
  45           */
  46          $info = array(
  47              'wp-core'             => self::get_wp_core(),
  48              'wp-paths-sizes'      => self::get_wp_paths_sizes(),
  49              'wp-dropins'          => self::get_wp_dropins(),
  50              'wp-active-theme'     => self::get_wp_active_theme(),
  51              'wp-parent-theme'     => self::get_wp_parent_theme(),
  52              'wp-themes-inactive'  => self::get_wp_themes_inactive(),
  53              'wp-mu-plugins'       => self::get_wp_mu_plugins(),
  54              'wp-plugins-active'   => self::get_wp_plugins_active(),
  55              'wp-plugins-inactive' => self::get_wp_plugins_inactive(),
  56              'wp-media'            => self::get_wp_media(),
  57              'wp-server'           => self::get_wp_server(),
  58              'wp-database'         => self::get_wp_database(),
  59              'wp-constants'        => self::get_wp_constants(),
  60              'wp-filesystem'       => self::get_wp_filesystem(),
  61          );
  62  
  63          /*
  64           * Remove null elements from the array. The individual methods are
  65           * allowed to return `null`, which communicates that the category
  66           * of debug data isn't relevant and shouldn't be passed through.
  67           */
  68          $info = array_filter(
  69              $info,
  70              static function ( $section ) {
  71                  return isset( $section );
  72              }
  73          );
  74  
  75          /**
  76           * Filters the debug information shown on the Tools -> Site Health -> Info screen.
  77           *
  78           * Plugin or themes may wish to introduce their own debug information without creating
  79           * additional admin pages. They can utilize this filter to introduce their own sections
  80           * or add more data to existing sections.
  81           *
  82           * Array keys for sections added by core are all prefixed with `wp-`. Plugins and themes
  83           * should use their own slug as a prefix, both for consistency as well as avoiding
  84           * key collisions. Note that the array keys are used as labels for the copied data.
  85           *
  86           * All strings are expected to be plain text except `$description` that can contain
  87           * inline HTML tags (see below).
  88           *
  89           * @since 5.2.0
  90           *
  91           * @param array $args {
  92           *     The debug information to be added to the core information page.
  93           *
  94           *     This is an associative multi-dimensional array, up to three levels deep.
  95           *     The topmost array holds the sections, keyed by section ID.
  96           *
  97           *     @type array ...$0 {
  98           *         Each section has a `$fields` associative array (see below), and each `$value` in `$fields`
  99           *         can be another associative array of name/value pairs when there is more structured data
 100           *         to display.
 101           *
 102           *         @type string $label       Required. The title for this section of the debug output.
 103           *         @type string $description Optional. A description for your information section which
 104           *                                   may contain basic HTML markup, inline tags only as it is
 105           *                                   outputted in a paragraph.
 106           *         @type bool   $show_count  Optional. If set to `true`, the amount of fields will be included
 107           *                                   in the title for this section. Default false.
 108           *         @type bool   $private     Optional. If set to `true`, the section and all associated fields
 109           *                                   will be excluded from the copied data. Default false.
 110           *         @type array  $fields {
 111           *             Required. An associative array containing the fields to be displayed in the section,
 112           *             keyed by field ID.
 113           *
 114           *             @type array ...$0 {
 115           *                 An associative array containing the data to be displayed for the field.
 116           *
 117           *                 @type string $label    Required. The label for this piece of information.
 118           *                 @type mixed  $value    Required. The output that is displayed for this field.
 119           *                                        Text should be translated. Can be an associative array
 120           *                                        that is displayed as name/value pairs.
 121           *                                        Accepted types: `string|int|float|(string|int|float)[]`.
 122           *                 @type string $debug    Optional. The output that is used for this field when
 123           *                                        the user copies the data. It should be more concise and
 124           *                                        not translated. If not set, the content of `$value`
 125           *                                        is used. Note that the array keys are used as labels
 126           *                                        for the copied data.
 127           *                 @type bool   $private  Optional. If set to `true`, the field will be excluded
 128           *                                        from the copied data, allowing you to show, for example,
 129           *                                        API keys here. Default false.
 130           *             }
 131           *         }
 132           *     }
 133           * }
 134           */
 135          $info = apply_filters( 'debug_information', $info );
 136  
 137          return $info;
 138      }
 139  
 140      /**
 141       * Gets the WordPress core section of the debug data.
 142       *
 143       * @since 6.7.0
 144       *
 145       * @return array<string, string|array> The debug data for the Info screen.
 146       */
 147  	private static function get_wp_core(): array {
 148          // Save few function calls.
 149          $permalink_structure    = get_option( 'permalink_structure' );
 150          $is_ssl                 = is_ssl();
 151          $users_can_register     = get_option( 'users_can_register' );
 152          $blog_public            = get_option( 'blog_public' );
 153          $default_comment_status = get_option( 'default_comment_status' );
 154          $environment_type       = wp_get_environment_type();
 155          $core_version           = wp_get_wp_version();
 156          $core_updates           = get_core_updates();
 157          $core_update_needed     = '';
 158  
 159          if ( is_array( $core_updates ) ) {
 160              foreach ( $core_updates as $core => $update ) {
 161                  if ( 'upgrade' === $update->response ) {
 162                      /* translators: %s: Latest WordPress version number. */
 163                      $core_update_needed = ' ' . sprintf( __( '(Latest version: %s)' ), $update->version );
 164                  } else {
 165                      $core_update_needed = '';
 166                  }
 167              }
 168          }
 169  
 170          $fields = array(
 171              'version'                => array(
 172                  'label' => __( 'Version' ),
 173                  'value' => $core_version . $core_update_needed,
 174                  'debug' => $core_version,
 175              ),
 176              'site_language'          => array(
 177                  'label' => __( 'Site Language' ),
 178                  'value' => get_locale(),
 179              ),
 180              'user_language'          => array(
 181                  'label' => __( 'User Language' ),
 182                  'value' => get_user_locale(),
 183              ),
 184              'timezone'               => array(
 185                  'label' => __( 'Timezone' ),
 186                  'value' => wp_timezone_string(),
 187              ),
 188              'home_url'               => array(
 189                  'label'   => __( 'Home URL' ),
 190                  'value'   => get_bloginfo( 'url' ),
 191                  'private' => true,
 192              ),
 193              'site_url'               => array(
 194                  'label'   => __( 'Site URL' ),
 195                  'value'   => get_bloginfo( 'wpurl' ),
 196                  'private' => true,
 197              ),
 198              'permalink'              => array(
 199                  'label' => __( 'Permalink structure' ),
 200                  'value' => $permalink_structure ? $permalink_structure : __( 'No permalink structure set' ),
 201                  'debug' => $permalink_structure,
 202              ),
 203              'https_status'           => array(
 204                  'label' => __( 'Is this site using HTTPS?' ),
 205                  'value' => $is_ssl ? __( 'Yes' ) : __( 'No' ),
 206                  'debug' => $is_ssl,
 207              ),
 208              'multisite'              => array(
 209                  'label' => __( 'Is this a multisite?' ),
 210                  'value' => is_multisite() ? __( 'Yes' ) : __( 'No' ),
 211                  'debug' => is_multisite(),
 212              ),
 213              'user_registration'      => array(
 214                  'label' => __( 'Can anyone register on this site?' ),
 215                  'value' => $users_can_register ? __( 'Yes' ) : __( 'No' ),
 216                  'debug' => $users_can_register,
 217              ),
 218              'blog_public'            => array(
 219                  'label' => __( 'Is this site discouraging search engines?' ),
 220                  'value' => $blog_public ? __( 'No' ) : __( 'Yes' ),
 221                  'debug' => $blog_public,
 222              ),
 223              'default_comment_status' => array(
 224                  'label' => __( 'Default comment status' ),
 225                  'value' => 'open' === $default_comment_status ? _x( 'Open', 'comment status' ) : _x( 'Closed', 'comment status' ),
 226                  'debug' => $default_comment_status,
 227              ),
 228              'environment_type'       => array(
 229                  'label' => __( 'Environment type' ),
 230                  'value' => $environment_type,
 231                  'debug' => $environment_type,
 232              ),
 233          );
 234  
 235          // Conditionally add debug information for multisite setups.
 236          if ( is_multisite() ) {
 237              $site_id = get_current_blog_id();
 238  
 239              $fields['site_id'] = array(
 240                  'label' => __( 'Site ID' ),
 241                  'value' => $site_id,
 242                  'debug' => $site_id,
 243              );
 244  
 245              $network_query = new WP_Network_Query();
 246              $network_ids   = $network_query->query(
 247                  array(
 248                      'fields'        => 'ids',
 249                      'number'        => 100,
 250                      'no_found_rows' => false,
 251                  )
 252              );
 253  
 254              $site_count = 0;
 255              foreach ( $network_ids as $network_id ) {
 256                  $site_count += get_blog_count( $network_id );
 257              }
 258  
 259              $fields['site_count'] = array(
 260                  'label' => __( 'Site count' ),
 261                  'value' => $site_count,
 262              );
 263  
 264              $fields['network_count'] = array(
 265                  'label' => __( 'Network count' ),
 266                  'value' => $network_query->found_networks,
 267              );
 268          }
 269  
 270          $fields['user_count'] = array(
 271              'label' => __( 'User count' ),
 272              'value' => get_user_count(),
 273          );
 274  
 275          // WordPress features requiring processing.
 276          $wp_dotorg = wp_remote_get( 'https://wordpress.org', array( 'timeout' => 10 ) );
 277  
 278          if ( ! is_wp_error( $wp_dotorg ) ) {
 279              $fields['dotorg_communication'] = array(
 280                  'label' => __( 'Communication with WordPress.org' ),
 281                  'value' => __( 'WordPress.org is reachable' ),
 282                  'debug' => 'true',
 283              );
 284          } else {
 285              $fields['dotorg_communication'] = array(
 286                  'label' => __( 'Communication with WordPress.org' ),
 287                  'value' => sprintf(
 288                  /* translators: 1: The IP address WordPress.org resolves to. 2: The error returned by the lookup. */
 289                      __( 'Unable to reach WordPress.org at %1$s: %2$s' ),
 290                      gethostbyname( 'wordpress.org' ),
 291                      $wp_dotorg->get_error_message()
 292                  ),
 293                  'debug' => $wp_dotorg->get_error_message(),
 294              );
 295          }
 296  
 297          return array(
 298              'label'  => __( 'WordPress' ),
 299              'fields' => $fields,
 300          );
 301      }
 302  
 303      /**
 304       * Gets the WordPress drop-in section of the debug data.
 305       *
 306       * @since 6.7.0
 307       *
 308       * @return array<string, string|bool|array> The drop-ins debug data.
 309       */
 310  	private static function get_wp_dropins(): array {
 311          // Get a list of all drop-in replacements.
 312          $dropins = get_dropins();
 313  
 314          // Get drop-ins descriptions.
 315          $dropin_descriptions = _get_dropins();
 316  
 317          $fields = array();
 318          foreach ( $dropins as $dropin_key => $dropin ) {
 319              $fields[ sanitize_text_field( $dropin_key ) ] = array(
 320                  'label' => $dropin_key,
 321                  'value' => $dropin_descriptions[ $dropin_key ][0],
 322                  'debug' => 'true',
 323              );
 324          }
 325  
 326          return array(
 327              'label'       => __( 'Drop-ins' ),
 328              'show_count'  => true,
 329              'description' => sprintf(
 330                  /* translators: %s: wp-content directory name. */
 331                  __( 'Drop-ins are single files, found in the %s directory, that replace or enhance WordPress features in ways that are not possible for traditional plugins.' ),
 332                  '<code>' . str_replace( ABSPATH, '', WP_CONTENT_DIR ) . '</code>'
 333              ),
 334              'fields'      => $fields,
 335          );
 336      }
 337  
 338      /**
 339       * Gets the WordPress server section of the debug data.
 340       *
 341       * @since 6.7.0
 342       *
 343       * @return array<string, string|array> The server-related debug data.
 344       */
 345  	private static function get_wp_server(): array {
 346          // Populate the server debug fields.
 347          if ( function_exists( 'php_uname' ) ) {
 348              $server_architecture = sprintf( '%s %s %s', php_uname( 's' ), php_uname( 'r' ), php_uname( 'm' ) );
 349          } else {
 350              $server_architecture = 'unknown';
 351          }
 352  
 353          $php_version_debug = PHP_VERSION;
 354          // Whether PHP supports 64-bit.
 355          $php64bit = ( PHP_INT_SIZE * 8 === 64 );
 356  
 357          $php_version = sprintf(
 358              '%s %s',
 359              $php_version_debug,
 360              ( $php64bit ? __( '(Supports 64bit values)' ) : __( '(Does not support 64bit values)' ) )
 361          );
 362  
 363          if ( $php64bit ) {
 364              $php_version_debug .= ' 64bit';
 365          }
 366  
 367          $fields = array();
 368  
 369          $fields['server_architecture'] = array(
 370              'label' => __( 'Server architecture' ),
 371              'value' => ( 'unknown' !== $server_architecture ? $server_architecture : __( 'Unable to determine server architecture' ) ),
 372              'debug' => $server_architecture,
 373          );
 374          $fields['httpd_software']      = array(
 375              'label' => __( 'Web server' ),
 376              'value' => ! empty( $_SERVER['SERVER_SOFTWARE'] ) ? wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) : __( 'Unable to determine what web server software is used' ),
 377              'debug' => ! empty( $_SERVER['SERVER_SOFTWARE'] ) ? wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) : 'unknown',
 378          );
 379          $fields['php_version']         = array(
 380              'label' => __( 'PHP version' ),
 381              'value' => $php_version,
 382              'debug' => $php_version_debug,
 383          );
 384          $fields['php_sapi']            = array(
 385              'label' => __( 'PHP SAPI' ),
 386              'value' => PHP_SAPI,
 387              'debug' => PHP_SAPI,
 388          );
 389  
 390          $fields['max_input_variables'] = array(
 391              'label' => __( 'PHP max input variables' ),
 392              'value' => ini_get( 'max_input_vars' ),
 393          );
 394          $fields['time_limit']          = array(
 395              'label' => __( 'PHP time limit' ),
 396              'value' => ini_get( 'max_execution_time' ),
 397          );
 398  
 399          if ( WP_Site_Health::get_instance()->php_memory_limit !== ini_get( 'memory_limit' ) ) {
 400              $fields['memory_limit']       = array(
 401                  'label' => __( 'PHP memory limit' ),
 402                  'value' => WP_Site_Health::get_instance()->php_memory_limit,
 403              );
 404              $fields['admin_memory_limit'] = array(
 405                  'label' => __( 'PHP memory limit (only for admin screens)' ),
 406                  'value' => ini_get( 'memory_limit' ),
 407              );
 408          } else {
 409              $fields['memory_limit'] = array(
 410                  'label' => __( 'PHP memory limit' ),
 411                  'value' => ini_get( 'memory_limit' ),
 412              );
 413          }
 414  
 415          $fields['max_input_time']      = array(
 416              'label' => __( 'Max input time' ),
 417              'value' => ini_get( 'max_input_time' ),
 418          );
 419          $fields['upload_max_filesize'] = array(
 420              'label' => __( 'Upload max filesize' ),
 421              'value' => ini_get( 'upload_max_filesize' ),
 422          );
 423          $fields['php_post_max_size']   = array(
 424              'label' => __( 'PHP post max size' ),
 425              'value' => ini_get( 'post_max_size' ),
 426          );
 427  
 428          if ( function_exists( 'curl_version' ) ) {
 429              $curl = curl_version();
 430  
 431              $fields['curl_version'] = array(
 432                  'label' => __( 'cURL version' ),
 433                  'value' => sprintf( '%s %s', $curl['version'], $curl['ssl_version'] ),
 434              );
 435          } else {
 436              $fields['curl_version'] = array(
 437                  'label' => __( 'cURL version' ),
 438                  'value' => __( 'Not available' ),
 439                  'debug' => 'not available',
 440              );
 441          }
 442  
 443          // SUHOSIN.
 444          $suhosin_loaded = ( extension_loaded( 'suhosin' ) || ( defined( 'SUHOSIN_PATCH' ) && constant( 'SUHOSIN_PATCH' ) ) );
 445  
 446          $fields['suhosin'] = array(
 447              'label' => __( 'Is SUHOSIN installed?' ),
 448              'value' => ( $suhosin_loaded ? __( 'Yes' ) : __( 'No' ) ),
 449              'debug' => $suhosin_loaded,
 450          );
 451  
 452          // Imagick.
 453          $imagick_loaded = extension_loaded( 'imagick' );
 454  
 455          $fields['imagick_availability'] = array(
 456              'label' => __( 'Is the Imagick library available?' ),
 457              'value' => ( $imagick_loaded ? __( 'Yes' ) : __( 'No' ) ),
 458              'debug' => $imagick_loaded,
 459          );
 460  
 461          // Opcode Cache.
 462          if ( function_exists( 'opcache_get_status' ) ) {
 463              $opcache_status = @opcache_get_status( false ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- Warning emitted in failure case.
 464  
 465              if ( false === $opcache_status ) {
 466                  $fields['opcode_cache'] = array(
 467                      'label' => __( 'Opcode cache' ),
 468                      'value' => __( 'Disabled by configuration' ),
 469                      'debug' => 'not available',
 470                  );
 471              } else {
 472                  $fields['opcode_cache'] = array(
 473                      'label' => __( 'Opcode cache' ),
 474                      'value' => $opcache_status['opcache_enabled'] ? __( 'Enabled' ) : __( 'Disabled' ),
 475                      'debug' => $opcache_status['opcache_enabled'],
 476                  );
 477  
 478                  if ( true === $opcache_status['opcache_enabled'] ) {
 479                      $fields['opcode_cache_memory_usage'] = array(
 480                          'label' => __( 'Opcode cache memory usage' ),
 481                          'value' => sprintf(
 482                              /* translators: 1: Used memory, 2: Total memory */
 483                              __( '%1$s of %2$s' ),
 484                              size_format( $opcache_status['memory_usage']['used_memory'] ),
 485                              size_format( $opcache_status['memory_usage']['free_memory'] + $opcache_status['memory_usage']['used_memory'] )
 486                          ),
 487                          'debug' => sprintf(
 488                              '%s of %s',
 489                              $opcache_status['memory_usage']['used_memory'],
 490                              $opcache_status['memory_usage']['free_memory'] + $opcache_status['memory_usage']['used_memory']
 491                          ),
 492                      );
 493  
 494                      if ( 0 !== $opcache_status['interned_strings_usage']['buffer_size'] ) {
 495                          $fields['opcode_cache_interned_strings_usage'] = array(
 496                              'label' => __( 'Opcode cache interned strings usage' ),
 497                              'value' => sprintf(
 498                                  /* translators: 1: Percentage used, 2: Total memory, 3: Free memory */
 499                                  __( '%1$s%% of %2$s (%3$s free)' ),
 500                                  number_format_i18n( ( $opcache_status['interned_strings_usage']['used_memory'] / $opcache_status['interned_strings_usage']['buffer_size'] ) * 100, 2 ),
 501                                  size_format( $opcache_status['interned_strings_usage']['buffer_size'] ),
 502                                  size_format( $opcache_status['interned_strings_usage']['free_memory'] )
 503                              ),
 504                              'debug' => sprintf(
 505                                  '%s%% of %s (%s free)',
 506                                  round( ( $opcache_status['interned_strings_usage']['used_memory'] / $opcache_status['interned_strings_usage']['buffer_size'] ) * 100, 2 ),
 507                                  $opcache_status['interned_strings_usage']['buffer_size'],
 508                                  $opcache_status['interned_strings_usage']['free_memory']
 509                              ),
 510                          );
 511                      }
 512  
 513                      $fields['opcode_cache_hit_rate'] = array(
 514                          'label' => __( 'Opcode cache hit rate' ),
 515                          'value' => sprintf(
 516                              /* translators: %s: Hit rate percentage */
 517                              __( '%s%%' ),
 518                              number_format_i18n( $opcache_status['opcache_statistics']['opcache_hit_rate'], 2 )
 519                          ),
 520                          'debug' => round( $opcache_status['opcache_statistics']['opcache_hit_rate'], 2 ),
 521                      );
 522  
 523                      $fields['opcode_cache_full'] = array(
 524                          'label' => __( 'Is the Opcode cache full?' ),
 525                          'value' => $opcache_status['cache_full'] ? __( 'Yes' ) : __( 'No' ),
 526                          'debug' => $opcache_status['cache_full'],
 527                      );
 528                  }
 529              }
 530          } else {
 531              $fields['opcode_cache'] = array(
 532                  'label' => __( 'Opcode cache' ),
 533                  'value' => __( 'Disabled' ),
 534                  'debug' => 'not available',
 535              );
 536          }
 537  
 538          // Pretty permalinks.
 539          $pretty_permalinks_supported = got_url_rewrite();
 540  
 541          $fields['pretty_permalinks'] = array(
 542              'label' => __( 'Are pretty permalinks supported?' ),
 543              'value' => ( $pretty_permalinks_supported ? __( 'Yes' ) : __( 'No' ) ),
 544              'debug' => $pretty_permalinks_supported,
 545          );
 546  
 547          // Check if a .htaccess file exists.
 548          if ( is_file( ABSPATH . '.htaccess' ) ) {
 549              // If the file exists, grab the content of it.
 550              $htaccess_content = file_get_contents( ABSPATH . '.htaccess' );
 551  
 552              // Filter away the core WordPress rules.
 553              $filtered_htaccess_content = trim( preg_replace( '/\# BEGIN WordPress[\s\S]+?# END WordPress/si', '', $htaccess_content ) );
 554              $filtered_htaccess_content = ! empty( $filtered_htaccess_content );
 555  
 556              if ( $filtered_htaccess_content ) {
 557                  /* translators: %s: .htaccess */
 558                  $htaccess_rules_string = sprintf( __( 'Custom rules have been added to your %s file.' ), '.htaccess' );
 559              } else {
 560                  /* translators: %s: .htaccess */
 561                  $htaccess_rules_string = sprintf( __( 'Your %s file contains only core WordPress features.' ), '.htaccess' );
 562              }
 563  
 564              $fields['htaccess_extra_rules'] = array(
 565                  'label' => __( '.htaccess rules' ),
 566                  'value' => $htaccess_rules_string,
 567                  'debug' => $filtered_htaccess_content,
 568              );
 569          }
 570  
 571          // Check if a robots.txt file exists.
 572          if ( is_file( get_home_path() . 'robots.txt' ) ) {
 573              // If the file exists, turn debug info to true.
 574              $robotstxt_debug = true;
 575  
 576              /* translators: %s: robots.txt */
 577              $robotstxt_string = sprintf( __( 'Your site is using a static %s file. WordPress cannot dynamically serve one.' ), 'robots.txt' );
 578          } elseif ( got_url_rewrite() ) {
 579              // No robots.txt file available and rewrite rules in place, turn debug info to false.
 580              $robotstxt_debug = false;
 581  
 582              /* translators: %s: robots.txt */
 583              $robotstxt_string = sprintf( __( 'Your site is using the dynamic %s file which is generated by WordPress.' ), 'robots.txt' );
 584          } else {
 585              // No robots.txt file, but without rewrite rules WP can't serve one.
 586              $robotstxt_debug = true;
 587  
 588              /* translators: %s: robots.txt */
 589              $robotstxt_string = sprintf( __( 'WordPress cannot dynamically serve a %s file due to a lack of rewrite rule support.' ), 'robots.txt' );
 590  
 591          }
 592  
 593          $fields['static_robotstxt_file'] = array(
 594              'label' => __( 'robots.txt' ),
 595              'value' => $robotstxt_string,
 596              'debug' => $robotstxt_debug,
 597          );
 598  
 599          // Server time.
 600          $date = new DateTime( 'now', new DateTimeZone( 'UTC' ) );
 601  
 602          $fields['current']     = array(
 603              'label' => __( 'Current time' ),
 604              'value' => $date->format( DateTime::ATOM ),
 605          );
 606          $fields['utc-time']    = array(
 607              'label' => __( 'Current UTC time' ),
 608              'value' => $date->format( DateTime::RFC850 ),
 609          );
 610          $fields['server-time'] = array(
 611              'label' => __( 'Current Server time' ),
 612              'value' => isset( $_SERVER['REQUEST_TIME'] ) ? wp_date( 'c', (int) $_SERVER['REQUEST_TIME'] ) : __( 'Unable to determine server time' ),
 613          );
 614  
 615          return array(
 616              'label'       => __( 'Server' ),
 617              'description' => __( 'The options shown below relate to your server setup. If changes are required, you may need your web host&#8217;s assistance.' ),
 618              'fields'      => $fields,
 619          );
 620      }
 621  
 622      /**
 623       * Gets the WordPress media section of the debug data.
 624       *
 625       * @since 6.7.0
 626       *
 627       * @throws ImagickException
 628       * @return array<string, string|array> The media handling debug data.
 629       */
 630  	private static function get_wp_media(): array {
 631          // Spare few function calls.
 632          $not_available = __( 'Not available' );
 633  
 634          // Populate the media fields.
 635          $fields['image_editor'] = array(
 636              'label' => __( 'Active editor' ),
 637              'value' => _wp_image_editor_choose(),
 638          );
 639  
 640          // Get ImageMagic information, if available.
 641          if ( class_exists( 'Imagick' ) ) {
 642              // Save the Imagick instance for later use.
 643              $imagick             = new Imagick();
 644              $imagemagick_version = $imagick->getVersion();
 645          } else {
 646              $imagemagick_version = __( 'Not available' );
 647          }
 648  
 649          $fields['imagick_module_version'] = array(
 650              'label' => __( 'ImageMagick version number' ),
 651              'value' => ( is_array( $imagemagick_version ) ? $imagemagick_version['versionNumber'] : $imagemagick_version ),
 652          );
 653  
 654          $fields['imagemagick_version'] = array(
 655              'label' => __( 'ImageMagick version string' ),
 656              'value' => ( is_array( $imagemagick_version ) ? $imagemagick_version['versionString'] : $imagemagick_version ),
 657          );
 658  
 659          $imagick_version = phpversion( 'imagick' );
 660  
 661          $fields['imagick_version'] = array(
 662              'label' => __( 'Imagick version' ),
 663              'value' => ( $imagick_version ) ? $imagick_version : __( 'Not available' ),
 664          );
 665  
 666          // Get the PHP ini directive values.
 667          $file_uploads        = ini_get( 'file_uploads' );
 668          $post_max_size       = ini_get( 'post_max_size' );
 669          $upload_max_filesize = ini_get( 'upload_max_filesize' );
 670          $max_file_uploads    = ini_get( 'max_file_uploads' );
 671          $effective           = min( wp_convert_hr_to_bytes( $post_max_size ), wp_convert_hr_to_bytes( $upload_max_filesize ) );
 672  
 673          // Add info in Media section.
 674          $fields['file_uploads']        = array(
 675              'label' => __( 'File uploads' ),
 676              'value' => $file_uploads ? __( 'Enabled' ) : __( 'Disabled' ),
 677              'debug' => $file_uploads,
 678          );
 679          $fields['post_max_size']       = array(
 680              'label' => __( 'Max size of post data allowed' ),
 681              'value' => $post_max_size,
 682          );
 683          $fields['upload_max_filesize'] = array(
 684              'label' => __( 'Max size of an uploaded file' ),
 685              'value' => $upload_max_filesize,
 686          );
 687          $fields['max_effective_size']  = array(
 688              'label' => __( 'Max effective file size' ),
 689              'value' => size_format( $effective ),
 690          );
 691          $fields['max_file_uploads']    = array(
 692              'label' => __( 'Max simultaneous file uploads' ),
 693              'value' => $max_file_uploads,
 694          );
 695  
 696          // If Imagick is used as our editor, provide some more information about its limitations.
 697          if ( 'WP_Image_Editor_Imagick' === _wp_image_editor_choose() && isset( $imagick ) && $imagick instanceof Imagick ) {
 698              $limits = array(
 699                  'area'   => ( defined( 'imagick::RESOURCETYPE_AREA' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_AREA ) ) : $not_available ),
 700                  'disk'   => ( defined( 'imagick::RESOURCETYPE_DISK' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_DISK ) : $not_available ),
 701                  'file'   => ( defined( 'imagick::RESOURCETYPE_FILE' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_FILE ) : $not_available ),
 702                  'map'    => ( defined( 'imagick::RESOURCETYPE_MAP' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MAP ) ) : $not_available ),
 703                  'memory' => ( defined( 'imagick::RESOURCETYPE_MEMORY' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MEMORY ) ) : $not_available ),
 704                  'thread' => ( defined( 'imagick::RESOURCETYPE_THREAD' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_THREAD ) : $not_available ),
 705                  'time'   => ( defined( 'imagick::RESOURCETYPE_TIME' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_TIME ) : $not_available ),
 706              );
 707  
 708              $limits_debug = array(
 709                  'imagick::RESOURCETYPE_AREA'   => ( defined( 'imagick::RESOURCETYPE_AREA' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_AREA ) ) : 'not available' ),
 710                  'imagick::RESOURCETYPE_DISK'   => ( defined( 'imagick::RESOURCETYPE_DISK' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_DISK ) : 'not available' ),
 711                  'imagick::RESOURCETYPE_FILE'   => ( defined( 'imagick::RESOURCETYPE_FILE' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_FILE ) : 'not available' ),
 712                  'imagick::RESOURCETYPE_MAP'    => ( defined( 'imagick::RESOURCETYPE_MAP' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MAP ) ) : 'not available' ),
 713                  'imagick::RESOURCETYPE_MEMORY' => ( defined( 'imagick::RESOURCETYPE_MEMORY' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MEMORY ) ) : 'not available' ),
 714                  'imagick::RESOURCETYPE_THREAD' => ( defined( 'imagick::RESOURCETYPE_THREAD' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_THREAD ) : 'not available' ),
 715                  'imagick::RESOURCETYPE_TIME'   => ( defined( 'imagick::RESOURCETYPE_TIME' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_TIME ) : 'not available' ),
 716              );
 717  
 718              $fields['imagick_limits'] = array(
 719                  'label' => __( 'Imagick Resource Limits' ),
 720                  'value' => $limits,
 721                  'debug' => $limits_debug,
 722              );
 723  
 724              try {
 725                  $formats = Imagick::queryFormats( '*' );
 726              } catch ( Exception $e ) {
 727                  $formats = array();
 728              }
 729  
 730              $fields['imagemagick_file_formats'] = array(
 731                  'label' => __( 'ImageMagick supported file formats' ),
 732                  'value' => ( empty( $formats ) ) ? __( 'Unable to determine' ) : implode( ', ', $formats ),
 733                  'debug' => ( empty( $formats ) ) ? 'Unable to determine' : implode( ', ', $formats ),
 734              );
 735          }
 736  
 737          // Get the image format transforms.
 738          $mappings           = wp_get_image_editor_output_format( '', '' );
 739          $formatted_mappings = array();
 740  
 741          if ( ! empty( $mappings ) ) {
 742              foreach ( $mappings as $format => $mime_type ) {
 743                  $formatted_mappings[] = sprintf( '%s &rarr; %s', $format, $mime_type );
 744              }
 745              $mappings_display = implode( ', ', $formatted_mappings );
 746          } else {
 747              $mappings_display = __( 'No format transforms defined' );
 748          }
 749  
 750          $fields['image_format_transforms'] = array(
 751              'label' => __( 'Image format transforms' ),
 752              'value' => $mappings_display,
 753              'debug' => ( empty( $mappings ) ) ? 'No format transforms defined' : $mappings_display,
 754          );
 755  
 756          // Get GD information, if available.
 757          if ( function_exists( 'gd_info' ) ) {
 758              $gd = gd_info();
 759          } else {
 760              $gd = false;
 761          }
 762  
 763          $fields['gd_version'] = array(
 764              'label' => __( 'GD version' ),
 765              'value' => ( is_array( $gd ) ? $gd['GD Version'] : $not_available ),
 766              'debug' => ( is_array( $gd ) ? $gd['GD Version'] : 'not available' ),
 767          );
 768  
 769          $gd_image_formats     = array();
 770          $gd_supported_formats = array(
 771              'GIF Create' => 'GIF',
 772              'JPEG'       => 'JPEG',
 773              'PNG'        => 'PNG',
 774              'WebP'       => 'WebP',
 775              'BMP'        => 'BMP',
 776              'AVIF'       => 'AVIF',
 777              'HEIF'       => 'HEIF',
 778              'TIFF'       => 'TIFF',
 779              'XPM'        => 'XPM',
 780          );
 781  
 782          foreach ( $gd_supported_formats as $format_key => $format ) {
 783              $index = $format_key . ' Support';
 784              if ( isset( $gd[ $index ] ) && $gd[ $index ] ) {
 785                  array_push( $gd_image_formats, $format );
 786              }
 787          }
 788  
 789          if ( ! empty( $gd_image_formats ) ) {
 790              $fields['gd_formats'] = array(
 791                  'label' => __( 'GD supported file formats' ),
 792                  'value' => implode( ', ', $gd_image_formats ),
 793              );
 794          }
 795  
 796          // Get Ghostscript information, if available.
 797          if ( function_exists( 'exec' ) ) {
 798              $gs = exec( 'gs --version' );
 799  
 800              if ( empty( $gs ) ) {
 801                  $gs       = $not_available;
 802                  $gs_debug = 'not available';
 803              } else {
 804                  $gs_debug = $gs;
 805              }
 806          } else {
 807              $gs       = __( 'Unable to determine if Ghostscript is installed' );
 808              $gs_debug = 'unknown';
 809          }
 810  
 811          $fields['ghostscript_version'] = array(
 812              'label' => __( 'Ghostscript version' ),
 813              'value' => $gs,
 814              'debug' => $gs_debug,
 815          );
 816  
 817          return array(
 818              'label'  => __( 'Media Handling' ),
 819              'fields' => $fields,
 820          );
 821      }
 822  
 823      /**
 824       * Gets the WordPress MU plugins section of the debug data.
 825       *
 826       * @since 6.7.0
 827       *
 828       * @return array<string, string|bool|array> The must-use plugins debug data.
 829       */
 830  	private static function get_wp_mu_plugins(): array {
 831          // List must use plugins if there are any.
 832          $mu_plugins = get_mu_plugins();
 833          $fields     = array();
 834  
 835          foreach ( $mu_plugins as $plugin_path => $plugin ) {
 836              $plugin_version = $plugin['Version'];
 837              $plugin_author  = $plugin['Author'];
 838  
 839              $plugin_version_string       = __( 'No version or author information is available.' );
 840              $plugin_version_string_debug = 'author: (undefined), version: (undefined)';
 841  
 842              if ( ! empty( $plugin_version ) && ! empty( $plugin_author ) ) {
 843                  /* translators: 1: Plugin version number. 2: Plugin author name. */
 844                  $plugin_version_string       = sprintf( __( 'Version %1$s by %2$s' ), $plugin_version, $plugin_author );
 845                  $plugin_version_string_debug = sprintf( 'version: %s, author: %s', $plugin_version, $plugin_author );
 846              } else {
 847                  if ( ! empty( $plugin_author ) ) {
 848                      /* translators: %s: Plugin author name. */
 849                      $plugin_version_string       = sprintf( __( 'By %s' ), $plugin_author );
 850                      $plugin_version_string_debug = sprintf( 'author: %s, version: (undefined)', $plugin_author );
 851                  }
 852  
 853                  if ( ! empty( $plugin_version ) ) {
 854                      /* translators: %s: Plugin version number. */
 855                      $plugin_version_string       = sprintf( __( 'Version %s' ), $plugin_version );
 856                      $plugin_version_string_debug = sprintf( 'author: (undefined), version: %s', $plugin_version );
 857                  }
 858              }
 859  
 860              $fields[ sanitize_text_field( $plugin['Name'] ) ] = array(
 861                  'label' => $plugin['Name'],
 862                  'value' => $plugin_version_string,
 863                  'debug' => $plugin_version_string_debug,
 864              );
 865          }
 866  
 867          return array(
 868              'label'      => __( 'Must Use Plugins' ),
 869              'show_count' => true,
 870              'fields'     => $fields,
 871          );
 872      }
 873  
 874      /**
 875       * Gets the WordPress paths and sizes section of the debug data.
 876       *
 877       * @since 6.7.0
 878       *
 879       * @return array|null Paths and sizes debug data for single sites,
 880       *                    otherwise `null` for multi-site installs.
 881       */
 882  	private static function get_wp_paths_sizes(): ?array {
 883          if ( is_multisite() ) {
 884              return null;
 885          }
 886  
 887          $loading = __( 'Loading&hellip;' );
 888  
 889          $fields = array(
 890              'wordpress_path' => array(
 891                  'label' => __( 'WordPress directory location' ),
 892                  'value' => untrailingslashit( ABSPATH ),
 893              ),
 894              'wordpress_size' => array(
 895                  'label' => __( 'WordPress directory size' ),
 896                  'value' => $loading,
 897                  'debug' => 'loading...',
 898              ),
 899              'uploads_path'   => array(
 900                  'label' => __( 'Uploads directory location' ),
 901                  'value' => wp_upload_dir()['basedir'],
 902              ),
 903              'uploads_size'   => array(
 904                  'label' => __( 'Uploads directory size' ),
 905                  'value' => $loading,
 906                  'debug' => 'loading...',
 907              ),
 908              'themes_path'    => array(
 909                  'label' => __( 'Themes directory location' ),
 910                  'value' => get_theme_root(),
 911              ),
 912              'themes_size'    => array(
 913                  'label' => __( 'Themes directory size' ),
 914                  'value' => $loading,
 915                  'debug' => 'loading...',
 916              ),
 917              'plugins_path'   => array(
 918                  'label' => __( 'Plugins directory location' ),
 919                  'value' => WP_PLUGIN_DIR,
 920              ),
 921              'plugins_size'   => array(
 922                  'label' => __( 'Plugins directory size' ),
 923                  'value' => $loading,
 924                  'debug' => 'loading...',
 925              ),
 926              'fonts_path'     => array(
 927                  'label' => __( 'Fonts directory location' ),
 928                  'value' => wp_get_font_dir()['basedir'],
 929              ),
 930              'fonts_size'     => array(
 931                  'label' => __( 'Fonts directory size' ),
 932                  'value' => $loading,
 933                  'debug' => 'loading...',
 934              ),
 935              'database_size'  => array(
 936                  'label' => __( 'Database size' ),
 937                  'value' => $loading,
 938                  'debug' => 'loading...',
 939              ),
 940              'total_size'     => array(
 941                  'label' => __( 'Total installation size' ),
 942                  'value' => $loading,
 943                  'debug' => 'loading...',
 944              ),
 945          );
 946  
 947          return array(
 948              /* translators: Filesystem directory paths and storage sizes. */
 949              'label'  => __( 'Directories and Sizes' ),
 950              'fields' => $fields,
 951          );
 952      }
 953  
 954      /**
 955       * Gets the WordPress active plugins section of the debug data.
 956       *
 957       * @since 6.7.0
 958       *
 959       * @return array<string, string|bool|array> The active plugins debug data.
 960       */
 961  	private static function get_wp_plugins_active(): array {
 962          return array(
 963              'label'      => __( 'Active Plugins' ),
 964              'show_count' => true,
 965              'fields'     => self::get_wp_plugins_raw_data()['wp-plugins-active'],
 966          );
 967      }
 968  
 969      /**
 970       * Gets the WordPress inactive plugins section of the debug data.
 971       *
 972       * @since 6.7.0
 973       *
 974       * @return array<string, string|bool|array> The inactive plugins debug data.
 975       */
 976  	private static function get_wp_plugins_inactive(): array {
 977          return array(
 978              'label'      => __( 'Inactive Plugins' ),
 979              'show_count' => true,
 980              'fields'     => self::get_wp_plugins_raw_data()['wp-plugins-inactive'],
 981          );
 982      }
 983  
 984      /**
 985       * Gets the raw plugin data for the WordPress active and inactive sections of the debug data.
 986       *
 987       * @since 6.7.0
 988       *
 989       * @return array<string, array<string, array<string, string>>> The raw plugin debug data for active and inactive plugins.
 990       */
 991  	private static function get_wp_plugins_raw_data(): array {
 992          // List all available plugins.
 993          $plugins        = get_plugins();
 994          $plugin_updates = get_plugin_updates();
 995          $transient      = get_site_transient( 'update_plugins' );
 996  
 997          $auto_updates = array();
 998          $fields       = array(
 999              'wp-plugins-active'   => array(),
1000              'wp-plugins-inactive' => array(),
1001          );
1002  
1003          $auto_updates_enabled = wp_is_auto_update_enabled_for_type( 'plugin' );
1004  
1005          if ( $auto_updates_enabled ) {
1006              $auto_updates = (array) get_site_option( 'auto_update_plugins', array() );
1007          }
1008  
1009          foreach ( $plugins as $plugin_path => $plugin ) {
1010              $plugin_part = ( is_plugin_active( $plugin_path ) ) ? 'wp-plugins-active' : 'wp-plugins-inactive';
1011  
1012              $plugin_version = $plugin['Version'];
1013              $plugin_author  = $plugin['Author'];
1014  
1015              $plugin_version_string       = __( 'No version or author information is available.' );
1016              $plugin_version_string_debug = 'author: (undefined), version: (undefined)';
1017  
1018              if ( ! empty( $plugin_version ) && ! empty( $plugin_author ) ) {
1019                  /* translators: 1: Plugin version number. 2: Plugin author name. */
1020                  $plugin_version_string       = sprintf( __( 'Version %1$s by %2$s' ), $plugin_version, $plugin_author );
1021                  $plugin_version_string_debug = sprintf( 'version: %s, author: %s', $plugin_version, $plugin_author );
1022              } else {
1023                  if ( ! empty( $plugin_author ) ) {
1024                      /* translators: %s: Plugin author name. */
1025                      $plugin_version_string       = sprintf( __( 'By %s' ), $plugin_author );
1026                      $plugin_version_string_debug = sprintf( 'author: %s, version: (undefined)', $plugin_author );
1027                  }
1028  
1029                  if ( ! empty( $plugin_version ) ) {
1030                      /* translators: %s: Plugin version number. */
1031                      $plugin_version_string       = sprintf( __( 'Version %s' ), $plugin_version );
1032                      $plugin_version_string_debug = sprintf( 'author: (undefined), version: %s', $plugin_version );
1033                  }
1034              }
1035  
1036              if ( array_key_exists( $plugin_path, $plugin_updates ) ) {
1037                  /* translators: %s: Latest plugin version number. */
1038                  $plugin_version_string       .= ' ' . sprintf( __( '(Latest version: %s)' ), $plugin_updates[ $plugin_path ]->update->new_version );
1039                  $plugin_version_string_debug .= sprintf( ' (latest version: %s)', $plugin_updates[ $plugin_path ]->update->new_version );
1040              }
1041  
1042              if ( $auto_updates_enabled ) {
1043                  if ( isset( $transient->response[ $plugin_path ] ) ) {
1044                      $item = $transient->response[ $plugin_path ];
1045                  } elseif ( isset( $transient->no_update[ $plugin_path ] ) ) {
1046                      $item = $transient->no_update[ $plugin_path ];
1047                  } else {
1048                      $item = array(
1049                          'id'            => $plugin_path,
1050                          'slug'          => '',
1051                          'plugin'        => $plugin_path,
1052                          'new_version'   => '',
1053                          'url'           => '',
1054                          'package'       => '',
1055                          'icons'         => array(),
1056                          'banners'       => array(),
1057                          'banners_rtl'   => array(),
1058                          'tested'        => '',
1059                          'requires_php'  => '',
1060                          'compatibility' => new stdClass(),
1061                      );
1062                      $item = wp_parse_args( $plugin, $item );
1063                  }
1064  
1065                  $auto_update_forced = wp_is_auto_update_forced_for_item( 'plugin', null, (object) $item );
1066  
1067                  if ( ! is_null( $auto_update_forced ) ) {
1068                      $enabled = $auto_update_forced;
1069                  } else {
1070                      $enabled = in_array( $plugin_path, $auto_updates, true );
1071                  }
1072  
1073                  if ( $enabled ) {
1074                      $auto_updates_string = __( 'Auto-updates enabled' );
1075                  } else {
1076                      $auto_updates_string = __( 'Auto-updates disabled' );
1077                  }
1078  
1079                  /**
1080                   * Filters the text string of the auto-updates setting for each plugin in the Site Health debug data.
1081                   *
1082                   * @since 5.5.0
1083                   *
1084                   * @param string $auto_updates_string The string output for the auto-updates column.
1085                   * @param string $plugin_path         The path to the plugin file.
1086                   * @param array  $plugin              An array of plugin data.
1087                   * @param bool   $enabled             Whether auto-updates are enabled for this item.
1088                   */
1089                  $auto_updates_string = apply_filters( 'plugin_auto_update_debug_string', $auto_updates_string, $plugin_path, $plugin, $enabled );
1090  
1091                  $plugin_version_string       .= ' | ' . $auto_updates_string;
1092                  $plugin_version_string_debug .= ', ' . $auto_updates_string;
1093              }
1094  
1095              $fields[ $plugin_part ][ sanitize_text_field( $plugin['Name'] ) ] = array(
1096                  'label' => $plugin['Name'],
1097                  'value' => $plugin_version_string,
1098                  'debug' => $plugin_version_string_debug,
1099              );
1100          }
1101  
1102          return $fields;
1103      }
1104  
1105      /**
1106       * Gets the WordPress active theme section of the debug data.
1107       *
1108       * @since 6.7.0
1109       *
1110       * @global array<string, bool|array> $_wp_theme_features The theme features for the active theme.
1111       *
1112       * @return array<string, string|array> The active theme debug data.
1113       */
1114  	private static function get_wp_active_theme(): array {
1115          global $_wp_theme_features;
1116  
1117          // Populate the section for the currently active theme.
1118          $theme_features = array();
1119  
1120          if ( ! empty( $_wp_theme_features ) ) {
1121              foreach ( $_wp_theme_features as $feature => $options ) {
1122                  $theme_features[] = $feature;
1123              }
1124          }
1125  
1126          $active_theme  = wp_get_theme();
1127          $theme_updates = get_theme_updates();
1128          $transient     = get_site_transient( 'update_themes' );
1129  
1130          $active_theme_version       = $active_theme->version;
1131          $active_theme_version_debug = $active_theme_version;
1132  
1133          $auto_updates         = array();
1134          $auto_updates_enabled = wp_is_auto_update_enabled_for_type( 'theme' );
1135          if ( $auto_updates_enabled ) {
1136              $auto_updates = (array) get_site_option( 'auto_update_themes', array() );
1137          }
1138  
1139          if ( array_key_exists( $active_theme->stylesheet, $theme_updates ) ) {
1140              $theme_update_new_version = $theme_updates[ $active_theme->stylesheet ]->update['new_version'];
1141  
1142              /* translators: %s: Latest theme version number. */
1143              $active_theme_version       .= ' ' . sprintf( __( '(Latest version: %s)' ), $theme_update_new_version );
1144              $active_theme_version_debug .= sprintf( ' (latest version: %s)', $theme_update_new_version );
1145          }
1146  
1147          $active_theme_author_uri = $active_theme->display( 'AuthorURI' );
1148  
1149          if ( $active_theme->parent_theme ) {
1150              $active_theme_parent_theme = sprintf(
1151                  /* translators: 1: Theme name. 2: Theme slug. */
1152                  __( '%1$s (%2$s)' ),
1153                  $active_theme->parent_theme,
1154                  $active_theme->template
1155              );
1156              $active_theme_parent_theme_debug = sprintf(
1157                  '%s (%s)',
1158                  $active_theme->parent_theme,
1159                  $active_theme->template
1160              );
1161          } else {
1162              $active_theme_parent_theme       = __( 'None' );
1163              $active_theme_parent_theme_debug = 'none';
1164          }
1165  
1166          $fields = array(
1167              'name'           => array(
1168                  'label' => __( 'Name' ),
1169                  'value' => sprintf(
1170                      /* translators: 1: Theme name. 2: Theme slug. */
1171                      __( '%1$s (%2$s)' ),
1172                      $active_theme->name,
1173                      $active_theme->stylesheet
1174                  ),
1175              ),
1176              'version'        => array(
1177                  'label' => __( 'Version' ),
1178                  'value' => $active_theme_version,
1179                  'debug' => $active_theme_version_debug,
1180              ),
1181              'author'         => array(
1182                  'label' => __( 'Author' ),
1183                  'value' => wp_kses( $active_theme->author, array() ),
1184              ),
1185              'author_website' => array(
1186                  'label' => __( 'Author website' ),
1187                  'value' => ( $active_theme_author_uri ? $active_theme_author_uri : __( 'Undefined' ) ),
1188                  'debug' => ( $active_theme_author_uri ? $active_theme_author_uri : '(undefined)' ),
1189              ),
1190              'parent_theme'   => array(
1191                  'label' => __( 'Parent theme' ),
1192                  'value' => $active_theme_parent_theme,
1193                  'debug' => $active_theme_parent_theme_debug,
1194              ),
1195              'theme_features' => array(
1196                  'label' => __( 'Theme features' ),
1197                  'value' => implode( ', ', $theme_features ),
1198              ),
1199              'theme_path'     => array(
1200                  'label' => __( 'Theme directory location' ),
1201                  'value' => get_stylesheet_directory(),
1202              ),
1203          );
1204  
1205          if ( $auto_updates_enabled ) {
1206              if ( isset( $transient->response[ $active_theme->stylesheet ] ) ) {
1207                  $item = $transient->response[ $active_theme->stylesheet ];
1208              } elseif ( isset( $transient->no_update[ $active_theme->stylesheet ] ) ) {
1209                  $item = $transient->no_update[ $active_theme->stylesheet ];
1210              } else {
1211                  $item = array(
1212                      'theme'        => $active_theme->stylesheet,
1213                      'new_version'  => $active_theme->version,
1214                      'url'          => '',
1215                      'package'      => '',
1216                      'requires'     => '',
1217                      'requires_php' => '',
1218                  );
1219              }
1220  
1221              $auto_update_forced = wp_is_auto_update_forced_for_item( 'theme', null, (object) $item );
1222  
1223              if ( ! is_null( $auto_update_forced ) ) {
1224                  $enabled = $auto_update_forced;
1225              } else {
1226                  $enabled = in_array( $active_theme->stylesheet, $auto_updates, true );
1227              }
1228  
1229              if ( $enabled ) {
1230                  $auto_updates_string = __( 'Enabled' );
1231              } else {
1232                  $auto_updates_string = __( 'Disabled' );
1233              }
1234  
1235              /** This filter is documented in wp-admin/includes/class-wp-debug-data.php */
1236              $auto_updates_string = apply_filters( 'theme_auto_update_debug_string', $auto_updates_string, $active_theme, $enabled );
1237  
1238              $fields['auto_update'] = array(
1239                  'label' => __( 'Auto-updates' ),
1240                  'value' => $auto_updates_string,
1241                  'debug' => $auto_updates_string,
1242              );
1243          }
1244  
1245          return array(
1246              'label'  => __( 'Active Theme' ),
1247              'fields' => $fields,
1248          );
1249      }
1250  
1251      /**
1252       * Gets the WordPress parent theme section of the debug data.
1253       *
1254       * @since 6.7.0
1255       *
1256       * @return array<string, string|array> The parent theme debug data.
1257       */
1258  	private static function get_wp_parent_theme(): array {
1259          $theme_updates = get_theme_updates();
1260          $transient     = get_site_transient( 'update_themes' );
1261  
1262          $auto_updates         = array();
1263          $auto_updates_enabled = wp_is_auto_update_enabled_for_type( 'theme' );
1264          if ( $auto_updates_enabled ) {
1265              $auto_updates = (array) get_site_option( 'auto_update_themes', array() );
1266          }
1267  
1268          $active_theme = wp_get_theme();
1269          $parent_theme = $active_theme->parent();
1270          $fields       = array();
1271  
1272          if ( $parent_theme ) {
1273              $parent_theme_version       = $parent_theme->version;
1274              $parent_theme_version_debug = $parent_theme_version;
1275  
1276              if ( array_key_exists( $parent_theme->stylesheet, $theme_updates ) ) {
1277                  $parent_theme_update_new_version = $theme_updates[ $parent_theme->stylesheet ]->update['new_version'];
1278  
1279                  /* translators: %s: Latest theme version number. */
1280                  $parent_theme_version       .= ' ' . sprintf( __( '(Latest version: %s)' ), $parent_theme_update_new_version );
1281                  $parent_theme_version_debug .= sprintf( ' (latest version: %s)', $parent_theme_update_new_version );
1282              }
1283  
1284              $parent_theme_author_uri = $parent_theme->display( 'AuthorURI' );
1285  
1286              $fields = array(
1287                  'name'           => array(
1288                      'label' => __( 'Name' ),
1289                      'value' => sprintf(
1290                          /* translators: 1: Theme name. 2: Theme slug. */
1291                          __( '%1$s (%2$s)' ),
1292                          $parent_theme->name,
1293                          $parent_theme->stylesheet
1294                      ),
1295                  ),
1296                  'version'        => array(
1297                      'label' => __( 'Version' ),
1298                      'value' => $parent_theme_version,
1299                      'debug' => $parent_theme_version_debug,
1300                  ),
1301                  'author'         => array(
1302                      'label' => __( 'Author' ),
1303                      'value' => wp_kses( $parent_theme->author, array() ),
1304                  ),
1305                  'author_website' => array(
1306                      'label' => __( 'Author website' ),
1307                      'value' => ( $parent_theme_author_uri ? $parent_theme_author_uri : __( 'Undefined' ) ),
1308                      'debug' => ( $parent_theme_author_uri ? $parent_theme_author_uri : '(undefined)' ),
1309                  ),
1310                  'theme_path'     => array(
1311                      'label' => __( 'Theme directory location' ),
1312                      'value' => get_template_directory(),
1313                  ),
1314              );
1315  
1316              if ( $auto_updates_enabled ) {
1317                  if ( isset( $transient->response[ $parent_theme->stylesheet ] ) ) {
1318                      $item = $transient->response[ $parent_theme->stylesheet ];
1319                  } elseif ( isset( $transient->no_update[ $parent_theme->stylesheet ] ) ) {
1320                      $item = $transient->no_update[ $parent_theme->stylesheet ];
1321                  } else {
1322                      $item = array(
1323                          'theme'        => $parent_theme->stylesheet,
1324                          'new_version'  => $parent_theme->version,
1325                          'url'          => '',
1326                          'package'      => '',
1327                          'requires'     => '',
1328                          'requires_php' => '',
1329                      );
1330                  }
1331  
1332                  $auto_update_forced = wp_is_auto_update_forced_for_item( 'theme', null, (object) $item );
1333  
1334                  if ( ! is_null( $auto_update_forced ) ) {
1335                      $enabled = $auto_update_forced;
1336                  } else {
1337                      $enabled = in_array( $parent_theme->stylesheet, $auto_updates, true );
1338                  }
1339  
1340                  if ( $enabled ) {
1341                      $parent_theme_auto_update_string = __( 'Enabled' );
1342                  } else {
1343                      $parent_theme_auto_update_string = __( 'Disabled' );
1344                  }
1345  
1346                  /** This filter is documented in wp-admin/includes/class-wp-debug-data.php */
1347                  $parent_theme_auto_update_string = apply_filters( 'theme_auto_update_debug_string', $parent_theme_auto_update_string, $parent_theme, $enabled );
1348  
1349                  $fields['auto_update'] = array(
1350                      'label' => __( 'Auto-update' ),
1351                      'value' => $parent_theme_auto_update_string,
1352                      'debug' => $parent_theme_auto_update_string,
1353                  );
1354              }
1355          }
1356  
1357          return array(
1358              'label'  => __( 'Parent Theme' ),
1359              'fields' => $fields,
1360          );
1361      }
1362  
1363      /**
1364       * Gets the WordPress inactive themes section of the debug data.
1365       *
1366       * @since 6.7.0
1367       *
1368       * @return array<string, string|bool|array> The inactive themes debug data.
1369       */
1370  	private static function get_wp_themes_inactive(): array {
1371          $active_theme  = wp_get_theme();
1372          $parent_theme  = $active_theme->parent();
1373          $theme_updates = get_theme_updates();
1374          $transient     = get_site_transient( 'update_themes' );
1375  
1376          $auto_updates         = array();
1377          $auto_updates_enabled = wp_is_auto_update_enabled_for_type( 'theme' );
1378          if ( $auto_updates_enabled ) {
1379              $auto_updates = (array) get_site_option( 'auto_update_themes', array() );
1380          }
1381  
1382          // Populate a list of all themes available in the installation.
1383          $all_themes = wp_get_themes();
1384          $fields     = array();
1385  
1386          foreach ( $all_themes as $theme_slug => $theme ) {
1387              // Exclude the currently active theme from the list of all themes.
1388              if ( $active_theme->stylesheet === $theme_slug ) {
1389                  continue;
1390              }
1391  
1392              // Exclude the currently active parent theme from the list of all themes.
1393              if ( ! empty( $parent_theme ) && $parent_theme->stylesheet === $theme_slug ) {
1394                  continue;
1395              }
1396  
1397              $theme_version = $theme->version;
1398              $theme_author  = $theme->author;
1399  
1400              // Sanitize.
1401              $theme_author = wp_kses( $theme_author, array() );
1402  
1403              $theme_version_string       = __( 'No version or author information is available.' );
1404              $theme_version_string_debug = 'undefined';
1405  
1406              if ( ! empty( $theme_version ) && ! empty( $theme_author ) ) {
1407                  /* translators: 1: Theme version number. 2: Theme author name. */
1408                  $theme_version_string       = sprintf( __( 'Version %1$s by %2$s' ), $theme_version, $theme_author );
1409                  $theme_version_string_debug = sprintf( 'version: %s, author: %s', $theme_version, $theme_author );
1410              } else {
1411                  if ( ! empty( $theme_author ) ) {
1412                      /* translators: %s: Theme author name. */
1413                      $theme_version_string       = sprintf( __( 'By %s' ), $theme_author );
1414                      $theme_version_string_debug = sprintf( 'author: %s, version: (undefined)', $theme_author );
1415                  }
1416  
1417                  if ( ! empty( $theme_version ) ) {
1418                      /* translators: %s: Theme version number. */
1419                      $theme_version_string       = sprintf( __( 'Version %s' ), $theme_version );
1420                      $theme_version_string_debug = sprintf( 'author: (undefined), version: %s', $theme_version );
1421                  }
1422              }
1423  
1424              if ( array_key_exists( $theme_slug, $theme_updates ) ) {
1425                  /* translators: %s: Latest theme version number. */
1426                  $theme_version_string       .= ' ' . sprintf( __( '(Latest version: %s)' ), $theme_updates[ $theme_slug ]->update['new_version'] );
1427                  $theme_version_string_debug .= sprintf( ' (latest version: %s)', $theme_updates[ $theme_slug ]->update['new_version'] );
1428              }
1429  
1430              if ( $auto_updates_enabled ) {
1431                  if ( isset( $transient->response[ $theme_slug ] ) ) {
1432                      $item = $transient->response[ $theme_slug ];
1433                  } elseif ( isset( $transient->no_update[ $theme_slug ] ) ) {
1434                      $item = $transient->no_update[ $theme_slug ];
1435                  } else {
1436                      $item = array(
1437                          'theme'        => $theme_slug,
1438                          'new_version'  => $theme->version,
1439                          'url'          => '',
1440                          'package'      => '',
1441                          'requires'     => '',
1442                          'requires_php' => '',
1443                      );
1444                  }
1445  
1446                  $auto_update_forced = wp_is_auto_update_forced_for_item( 'theme', null, (object) $item );
1447  
1448                  if ( ! is_null( $auto_update_forced ) ) {
1449                      $enabled = $auto_update_forced;
1450                  } else {
1451                      $enabled = in_array( $theme_slug, $auto_updates, true );
1452                  }
1453  
1454                  if ( $enabled ) {
1455                      $auto_updates_string = __( 'Auto-updates enabled' );
1456                  } else {
1457                      $auto_updates_string = __( 'Auto-updates disabled' );
1458                  }
1459  
1460                  /**
1461                   * Filters the text string of the auto-updates setting for each theme in the Site Health debug data.
1462                   *
1463                   * @since 5.5.0
1464                   *
1465                   * @param string   $auto_updates_string The string output for the auto-updates column.
1466                   * @param WP_Theme $theme               An object of theme data.
1467                   * @param bool     $enabled             Whether auto-updates are enabled for this item.
1468                   */
1469                  $auto_updates_string = apply_filters( 'theme_auto_update_debug_string', $auto_updates_string, $theme, $enabled );
1470  
1471                  $theme_version_string       .= ' | ' . $auto_updates_string;
1472                  $theme_version_string_debug .= ', ' . $auto_updates_string;
1473              }
1474  
1475              $fields[ sanitize_text_field( $theme->name ) ] = array(
1476                  'label' => sprintf(
1477                      /* translators: 1: Theme name. 2: Theme slug. */
1478                      __( '%1$s (%2$s)' ),
1479                      $theme->name,
1480                      $theme_slug
1481                  ),
1482                  'value' => $theme_version_string,
1483                  'debug' => $theme_version_string_debug,
1484              );
1485          }
1486  
1487          return array(
1488              'label'      => __( 'Inactive Themes' ),
1489              'show_count' => true,
1490              'fields'     => $fields,
1491          );
1492      }
1493  
1494      /**
1495       * Gets the WordPress constants section of the debug data.
1496       *
1497       * @since 6.7.0
1498       *
1499       * @return array<string, string|array> The WordPress constants debug data.
1500       */
1501  	private static function get_wp_constants(): array {
1502          // Check if WP_DEBUG_LOG is set.
1503          $wp_debug_log_value = __( 'Disabled' );
1504          if ( is_string( WP_DEBUG_LOG ) ) {
1505              $wp_debug_log_value = WP_DEBUG_LOG;
1506          } elseif ( WP_DEBUG_LOG ) {
1507              $wp_debug_log_value = __( 'Enabled' );
1508          }
1509  
1510          // Check CONCATENATE_SCRIPTS.
1511          if ( defined( 'CONCATENATE_SCRIPTS' ) ) {
1512              $concatenate_scripts       = CONCATENATE_SCRIPTS ? __( 'Enabled' ) : __( 'Disabled' );
1513              $concatenate_scripts_debug = CONCATENATE_SCRIPTS ? 'true' : 'false';
1514          } else {
1515              $concatenate_scripts       = __( 'Undefined' );
1516              $concatenate_scripts_debug = 'undefined';
1517          }
1518  
1519          // Check COMPRESS_SCRIPTS.
1520          if ( defined( 'COMPRESS_SCRIPTS' ) ) {
1521              $compress_scripts       = COMPRESS_SCRIPTS ? __( 'Enabled' ) : __( 'Disabled' );
1522              $compress_scripts_debug = COMPRESS_SCRIPTS ? 'true' : 'false';
1523          } else {
1524              $compress_scripts       = __( 'Undefined' );
1525              $compress_scripts_debug = 'undefined';
1526          }
1527  
1528          // Check COMPRESS_CSS.
1529          if ( defined( 'COMPRESS_CSS' ) ) {
1530              $compress_css       = COMPRESS_CSS ? __( 'Enabled' ) : __( 'Disabled' );
1531              $compress_css_debug = COMPRESS_CSS ? 'true' : 'false';
1532          } else {
1533              $compress_css       = __( 'Undefined' );
1534              $compress_css_debug = 'undefined';
1535          }
1536  
1537          // Check WP_ENVIRONMENT_TYPE.
1538          if ( defined( 'WP_ENVIRONMENT_TYPE' ) ) {
1539              $wp_environment_type       = WP_ENVIRONMENT_TYPE ? WP_ENVIRONMENT_TYPE : __( 'Empty value' );
1540              $wp_environment_type_debug = WP_ENVIRONMENT_TYPE;
1541          } else {
1542              $wp_environment_type       = __( 'Undefined' );
1543              $wp_environment_type_debug = 'undefined';
1544          }
1545  
1546          // Check DB_COLLATE.
1547          if ( defined( 'DB_COLLATE' ) ) {
1548              $db_collate       = DB_COLLATE ? DB_COLLATE : __( 'Empty value' );
1549              $db_collate_debug = DB_COLLATE;
1550          } else {
1551              $db_collate       = __( 'Undefined' );
1552              $db_collate_debug = 'undefined';
1553          }
1554  
1555          $fields = array(
1556              'ABSPATH'             => array(
1557                  'label'   => 'ABSPATH',
1558                  'value'   => ABSPATH,
1559                  'private' => true,
1560              ),
1561              'WP_HOME'             => array(
1562                  'label' => 'WP_HOME',
1563                  'value' => ( defined( 'WP_HOME' ) ? WP_HOME : __( 'Undefined' ) ),
1564                  'debug' => ( defined( 'WP_HOME' ) ? WP_HOME : 'undefined' ),
1565              ),
1566              'WP_SITEURL'          => array(
1567                  'label' => 'WP_SITEURL',
1568                  'value' => ( defined( 'WP_SITEURL' ) ? WP_SITEURL : __( 'Undefined' ) ),
1569                  'debug' => ( defined( 'WP_SITEURL' ) ? WP_SITEURL : 'undefined' ),
1570              ),
1571              'WP_CONTENT_DIR'      => array(
1572                  'label' => 'WP_CONTENT_DIR',
1573                  'value' => WP_CONTENT_DIR,
1574              ),
1575              'WP_PLUGIN_DIR'       => array(
1576                  'label' => 'WP_PLUGIN_DIR',
1577                  'value' => WP_PLUGIN_DIR,
1578              ),
1579              'WP_MEMORY_LIMIT'     => array(
1580                  'label' => 'WP_MEMORY_LIMIT',
1581                  'value' => WP_MEMORY_LIMIT,
1582              ),
1583              'WP_MAX_MEMORY_LIMIT' => array(
1584                  'label' => 'WP_MAX_MEMORY_LIMIT',
1585                  'value' => WP_MAX_MEMORY_LIMIT,
1586              ),
1587              'WP_DEBUG'            => array(
1588                  'label' => 'WP_DEBUG',
1589                  'value' => WP_DEBUG ? __( 'Enabled' ) : __( 'Disabled' ),
1590                  'debug' => WP_DEBUG,
1591              ),
1592              'WP_DEBUG_DISPLAY'    => array(
1593                  'label' => 'WP_DEBUG_DISPLAY',
1594                  'value' => WP_DEBUG_DISPLAY ? __( 'Enabled' ) : __( 'Disabled' ),
1595                  'debug' => WP_DEBUG_DISPLAY,
1596              ),
1597              'WP_DEBUG_LOG'        => array(
1598                  'label' => 'WP_DEBUG_LOG',
1599                  'value' => $wp_debug_log_value,
1600                  'debug' => WP_DEBUG_LOG,
1601              ),
1602              'SCRIPT_DEBUG'        => array(
1603                  'label' => 'SCRIPT_DEBUG',
1604                  'value' => SCRIPT_DEBUG ? __( 'Enabled' ) : __( 'Disabled' ),
1605                  'debug' => SCRIPT_DEBUG,
1606              ),
1607              'WP_CACHE'            => array(
1608                  'label' => 'WP_CACHE',
1609                  'value' => WP_CACHE ? __( 'Enabled' ) : __( 'Disabled' ),
1610                  'debug' => WP_CACHE,
1611              ),
1612              'CONCATENATE_SCRIPTS' => array(
1613                  'label' => 'CONCATENATE_SCRIPTS',
1614                  'value' => $concatenate_scripts,
1615                  'debug' => $concatenate_scripts_debug,
1616              ),
1617              'COMPRESS_SCRIPTS'    => array(
1618                  'label' => 'COMPRESS_SCRIPTS',
1619                  'value' => $compress_scripts,
1620                  'debug' => $compress_scripts_debug,
1621              ),
1622              'COMPRESS_CSS'        => array(
1623                  'label' => 'COMPRESS_CSS',
1624                  'value' => $compress_css,
1625                  'debug' => $compress_css_debug,
1626              ),
1627              'WP_ENVIRONMENT_TYPE' => array(
1628                  'label' => 'WP_ENVIRONMENT_TYPE',
1629                  'value' => $wp_environment_type,
1630                  'debug' => $wp_environment_type_debug,
1631              ),
1632              'WP_DEVELOPMENT_MODE' => array(
1633                  'label' => 'WP_DEVELOPMENT_MODE',
1634                  'value' => WP_DEVELOPMENT_MODE ? WP_DEVELOPMENT_MODE : __( 'Disabled' ),
1635                  'debug' => WP_DEVELOPMENT_MODE,
1636              ),
1637              'DB_CHARSET'          => array(
1638                  'label' => 'DB_CHARSET',
1639                  'value' => ( defined( 'DB_CHARSET' ) ? DB_CHARSET : __( 'Undefined' ) ),
1640                  'debug' => ( defined( 'DB_CHARSET' ) ? DB_CHARSET : 'undefined' ),
1641              ),
1642              'DB_COLLATE'          => array(
1643                  'label' => 'DB_COLLATE',
1644                  'value' => $db_collate,
1645                  'debug' => $db_collate_debug,
1646              ),
1647              'EMPTY_TRASH_DAYS'    => array(
1648                  'label' => 'EMPTY_TRASH_DAYS',
1649                  'value' => EMPTY_TRASH_DAYS ? EMPTY_TRASH_DAYS : __( 'Empty value' ),
1650                  'debug' => EMPTY_TRASH_DAYS,
1651              ),
1652          );
1653  
1654          return array(
1655              'label'       => __( 'WordPress Constants' ),
1656              'description' => __( 'These settings alter where and how parts of WordPress are loaded.' ),
1657              'fields'      => $fields,
1658          );
1659      }
1660  
1661      /**
1662       * Gets the WordPress database section of the debug data.
1663       *
1664       * @since 6.7.0
1665       *
1666       * @global wpdb $wpdb WordPress database abstraction object.
1667       *
1668       * @return array<string, string|array> The database debug data.
1669       */
1670  	private static function get_wp_database(): array {
1671          global $wpdb;
1672  
1673          // Populate the database debug fields.
1674          if ( is_object( $wpdb->dbh ) ) {
1675              // mysqli or PDO.
1676              $extension = get_class( $wpdb->dbh );
1677          } else {
1678              // Unknown sql extension.
1679              $extension = null;
1680          }
1681  
1682          $server = $wpdb->get_var( 'SELECT VERSION()' );
1683  
1684          $client_version = $wpdb->dbh->client_info;
1685  
1686          $fields = array(
1687              'extension'          => array(
1688                  'label' => __( 'Database Extension' ),
1689                  'value' => $extension,
1690              ),
1691              'server_version'     => array(
1692                  'label' => __( 'Server version' ),
1693                  'value' => $server,
1694              ),
1695              'client_version'     => array(
1696                  'label' => __( 'Client version' ),
1697                  'value' => $client_version,
1698              ),
1699              'database_user'      => array(
1700                  'label'   => __( 'Database username' ),
1701                  'value'   => $wpdb->dbuser,
1702                  'private' => true,
1703              ),
1704              'database_host'      => array(
1705                  'label'   => __( 'Database host' ),
1706                  'value'   => $wpdb->dbhost,
1707                  'private' => true,
1708              ),
1709              'database_name'      => array(
1710                  'label'   => __( 'Database name' ),
1711                  'value'   => $wpdb->dbname,
1712                  'private' => true,
1713              ),
1714              'database_prefix'    => array(
1715                  'label'   => __( 'Table prefix' ),
1716                  'value'   => $wpdb->prefix,
1717                  'private' => true,
1718              ),
1719              'database_charset'   => array(
1720                  'label'   => __( 'Database charset' ),
1721                  'value'   => $wpdb->charset,
1722                  'private' => true,
1723              ),
1724              'database_collate'   => array(
1725                  'label'   => __( 'Database collation' ),
1726                  'value'   => $wpdb->collate,
1727                  'private' => true,
1728              ),
1729              'max_allowed_packet' => array(
1730                  'label' => __( 'Max allowed packet size' ),
1731                  'value' => self::get_mysql_var( 'max_allowed_packet' ),
1732              ),
1733              'max_connections'    => array(
1734                  'label' => __( 'Max connections number' ),
1735                  'value' => self::get_mysql_var( 'max_connections' ),
1736              ),
1737          );
1738  
1739          return array(
1740              'label'  => __( 'Database' ),
1741              'fields' => $fields,
1742          );
1743      }
1744  
1745      /**
1746       * Gets the file system section of the debug data.
1747       *
1748       * @since 6.7.0
1749       *
1750       * @return array<string, string|array> The debug data and other information for the Info screen.
1751       */
1752  	private static function get_wp_filesystem(): array {
1753          $upload_dir                     = wp_upload_dir();
1754          $fonts_dir_exists               = file_exists( wp_get_font_dir()['basedir'] );
1755          $is_writable_abspath            = wp_is_writable( ABSPATH );
1756          $is_writable_wp_content_dir     = wp_is_writable( WP_CONTENT_DIR );
1757          $is_writable_upload_dir         = wp_is_writable( $upload_dir['basedir'] );
1758          $is_writable_wp_plugin_dir      = wp_is_writable( WP_PLUGIN_DIR );
1759          $is_writable_template_directory = wp_is_writable( get_theme_root( get_template() ) );
1760          $is_writable_fonts_dir          = $fonts_dir_exists ? wp_is_writable( wp_get_font_dir()['basedir'] ) : false;
1761  
1762          $fields = array(
1763              'wordpress'  => array(
1764                  'label' => __( 'The main WordPress directory' ),
1765                  'value' => ( $is_writable_abspath ? __( 'Writable' ) : __( 'Not writable' ) ),
1766                  'debug' => ( $is_writable_abspath ? 'writable' : 'not writable' ),
1767              ),
1768              'wp-content' => array(
1769                  'label' => __( 'The wp-content directory' ),
1770                  'value' => ( $is_writable_wp_content_dir ? __( 'Writable' ) : __( 'Not writable' ) ),
1771                  'debug' => ( $is_writable_wp_content_dir ? 'writable' : 'not writable' ),
1772              ),
1773              'uploads'    => array(
1774                  'label' => __( 'The uploads directory' ),
1775                  'value' => ( $is_writable_upload_dir ? __( 'Writable' ) : __( 'Not writable' ) ),
1776                  'debug' => ( $is_writable_upload_dir ? 'writable' : 'not writable' ),
1777              ),
1778              'plugins'    => array(
1779                  'label' => __( 'The plugins directory' ),
1780                  'value' => ( $is_writable_wp_plugin_dir ? __( 'Writable' ) : __( 'Not writable' ) ),
1781                  'debug' => ( $is_writable_wp_plugin_dir ? 'writable' : 'not writable' ),
1782              ),
1783              'themes'     => array(
1784                  'label' => __( 'The themes directory' ),
1785                  'value' => ( $is_writable_template_directory ? __( 'Writable' ) : __( 'Not writable' ) ),
1786                  'debug' => ( $is_writable_template_directory ? 'writable' : 'not writable' ),
1787              ),
1788              'fonts'      => array(
1789                  'label' => __( 'The fonts directory' ),
1790                  'value' => $fonts_dir_exists
1791                      ? ( $is_writable_fonts_dir ? __( 'Writable' ) : __( 'Not writable' ) )
1792                      : __( 'Does not exist' ),
1793                  'debug' => $fonts_dir_exists
1794                      ? ( $is_writable_fonts_dir ? 'writable' : 'not writable' )
1795                      : 'does not exist',
1796              ),
1797          );
1798  
1799          // Add more filesystem checks.
1800          if ( defined( 'WPMU_PLUGIN_DIR' ) && is_dir( WPMU_PLUGIN_DIR ) ) {
1801              $is_writable_wpmu_plugin_dir = wp_is_writable( WPMU_PLUGIN_DIR );
1802  
1803              $fields['mu-plugins'] = array(
1804                  'label' => __( 'The must use plugins directory' ),
1805                  'value' => ( $is_writable_wpmu_plugin_dir ? __( 'Writable' ) : __( 'Not writable' ) ),
1806                  'debug' => ( $is_writable_wpmu_plugin_dir ? 'writable' : 'not writable' ),
1807              );
1808          }
1809  
1810          return array(
1811              'label'       => __( 'Filesystem Permissions' ),
1812              'description' => __( 'Shows whether WordPress is able to write to the directories it needs access to.' ),
1813              'fields'      => $fields,
1814          );
1815      }
1816  
1817      /**
1818       * Returns the value of a MySQL system variable.
1819       *
1820       * @since 5.9.0
1821       *
1822       * @global wpdb $wpdb WordPress database abstraction object.
1823       *
1824       * @param string $mysql_var Name of the MySQL system variable.
1825       * @return string|null The variable value on success. Null if the variable does not exist.
1826       */
1827  	public static function get_mysql_var( $mysql_var ) {
1828          global $wpdb;
1829  
1830          $result = $wpdb->get_row(
1831              $wpdb->prepare( 'SHOW VARIABLES LIKE %s', $mysql_var ),
1832              ARRAY_A
1833          );
1834  
1835          if ( ! empty( $result ) && array_key_exists( 'Value', $result ) ) {
1836              return $result['Value'];
1837          }
1838  
1839          return null;
1840      }
1841  
1842      /**
1843       * Formats the information gathered for debugging, in a manner suitable for copying to a forum or support ticket.
1844       *
1845       * @since 5.2.0
1846       *
1847       * @param array  $info_array Information gathered from the `WP_Debug_Data::debug_data()` function.
1848       * @param string $data_type  The data type to return, either 'info' or 'debug'.
1849       * @return string The formatted data.
1850       */
1851  	public static function format( $info_array, $data_type ) {
1852          $return = "`\n";
1853  
1854          foreach ( $info_array as $section => $details ) {
1855              // Skip this section if there are no fields, or the section has been declared as private.
1856              if ( empty( $details['fields'] ) || ( isset( $details['private'] ) && $details['private'] ) ) {
1857                  continue;
1858              }
1859  
1860              $section_label = 'debug' === $data_type ? $section : $details['label'];
1861  
1862              $return .= sprintf(
1863                  "### %s%s ###\n\n",
1864                  $section_label,
1865                  ( isset( $details['show_count'] ) && $details['show_count'] ? sprintf( ' (%d)', count( $details['fields'] ) ) : '' )
1866              );
1867  
1868              foreach ( $details['fields'] as $field_name => $field ) {
1869                  if ( isset( $field['private'] ) && true === $field['private'] ) {
1870                      continue;
1871                  }
1872  
1873                  if ( 'debug' === $data_type && isset( $field['debug'] ) ) {
1874                      $debug_data = $field['debug'];
1875                  } else {
1876                      $debug_data = $field['value'];
1877                  }
1878  
1879                  // Can be array, one level deep only.
1880                  if ( is_array( $debug_data ) ) {
1881                      $value = '';
1882  
1883                      foreach ( $debug_data as $sub_field_name => $sub_field_value ) {
1884                          $value .= sprintf( "\n\t%s: %s", $sub_field_name, $sub_field_value );
1885                      }
1886                  } elseif ( is_bool( $debug_data ) ) {
1887                      $value = $debug_data ? 'true' : 'false';
1888                  } elseif ( empty( $debug_data ) && '0' !== $debug_data ) {
1889                      $value = 'undefined';
1890                  } else {
1891                      $value = $debug_data;
1892                  }
1893  
1894                  if ( 'debug' === $data_type ) {
1895                      $label = $field_name;
1896                  } else {
1897                      $label = $field['label'];
1898                  }
1899  
1900                  $return .= sprintf( "%s: %s\n", $label, $value );
1901              }
1902  
1903              $return .= "\n";
1904          }
1905  
1906          $return .= '`';
1907  
1908          return $return;
1909      }
1910  
1911      /**
1912       * Fetches the total size of all the database tables for the active database user.
1913       *
1914       * @since 5.2.0
1915       *
1916       * @global wpdb $wpdb WordPress database abstraction object.
1917       *
1918       * @return int The size of the database, in bytes.
1919       */
1920  	public static function get_database_size() {
1921          global $wpdb;
1922          $size = 0;
1923          $rows = $wpdb->get_results( 'SHOW TABLE STATUS', ARRAY_A );
1924  
1925          if ( $wpdb->num_rows > 0 ) {
1926              foreach ( $rows as $row ) {
1927                  $size += $row['Data_length'] + $row['Index_length'];
1928              }
1929          }
1930  
1931          return (int) $size;
1932      }
1933  
1934      /**
1935       * Fetches the sizes of the WordPress directories: `wordpress` (ABSPATH), `plugins`, `themes`, and `uploads`.
1936       * Intended to supplement the array returned by `WP_Debug_Data::debug_data()`.
1937       *
1938       * @since 5.2.0
1939       * @deprecated 5.6.0 Use WP_REST_Site_Health_Controller::get_directory_sizes()
1940       * @see WP_REST_Site_Health_Controller::get_directory_sizes()
1941       *
1942       * @return array The sizes of the directories, also the database size and total installation size.
1943       */
1944  	public static function get_sizes() {
1945          _deprecated_function( __METHOD__, '5.6.0', 'WP_REST_Site_Health_Controller::get_directory_sizes()' );
1946  
1947          $size_db    = self::get_database_size();
1948          $upload_dir = wp_get_upload_dir();
1949  
1950          /*
1951           * We will be using the PHP max execution time to prevent the size calculations
1952           * from causing a timeout. The default value is 30 seconds, and some
1953           * hosts do not allow you to read configuration values.
1954           */
1955          $max_execution_time = ini_get( 'max_execution_time' );
1956  
1957          /*
1958           * The max_execution_time defaults to 0 when PHP runs from cli.
1959           * We still want to limit it below.
1960           */
1961          if ( empty( $max_execution_time ) ) {
1962              $max_execution_time = 30; // 30 seconds.
1963          }
1964  
1965          if ( $max_execution_time > 20 ) {
1966              /*
1967               * If the max_execution_time is set to lower than 20 seconds, reduce it a bit to prevent
1968               * edge-case timeouts that may happen after the size loop has finished running.
1969               */
1970              $max_execution_time -= 2;
1971          }
1972  
1973          /*
1974           * Go through the various installation directories and calculate their sizes.
1975           * No trailing slashes.
1976           */
1977          $paths = array(
1978              'wordpress_size' => untrailingslashit( ABSPATH ),
1979              'themes_size'    => get_theme_root(),
1980              'plugins_size'   => WP_PLUGIN_DIR,
1981              'uploads_size'   => $upload_dir['basedir'],
1982              'fonts_size'     => wp_get_font_dir()['basedir'],
1983          );
1984  
1985          $exclude = $paths;
1986          unset( $exclude['wordpress_size'] );
1987          $exclude = array_values( $exclude );
1988  
1989          $size_total = 0;
1990          $all_sizes  = array();
1991  
1992          // Loop over all the directories we want to gather the sizes for.
1993          foreach ( $paths as $name => $path ) {
1994              $dir_size = null; // Default to timeout.
1995              $results  = array(
1996                  'path' => $path,
1997                  'raw'  => 0,
1998              );
1999  
2000              // If the directory does not exist, skip checking it, as it will skew the other results.
2001              if ( ! is_dir( $path ) ) {
2002                  $all_sizes[ $name ] = array(
2003                      'path'  => $path,
2004                      'raw'   => 0,
2005                      'size'  => __( 'The directory does not exist.' ),
2006                      'debug' => 'directory not found',
2007                  );
2008  
2009                  continue;
2010              }
2011  
2012              if ( microtime( true ) - WP_START_TIMESTAMP < $max_execution_time ) {
2013                  if ( 'wordpress_size' === $name ) {
2014                      $dir_size = recurse_dirsize( $path, $exclude, $max_execution_time );
2015                  } else {
2016                      $dir_size = recurse_dirsize( $path, null, $max_execution_time );
2017                  }
2018              }
2019  
2020              if ( false === $dir_size ) {
2021                  // Error reading.
2022                  $results['size']  = __( 'The size cannot be calculated. The directory is not accessible. Usually caused by invalid permissions.' );
2023                  $results['debug'] = 'not accessible';
2024  
2025                  // Stop total size calculation.
2026                  $size_total = null;
2027              } elseif ( null === $dir_size ) {
2028                  // Timeout.
2029                  $results['size']  = __( 'The directory size calculation has timed out. Usually caused by a very large number of sub-directories and files.' );
2030                  $results['debug'] = 'timeout while calculating size';
2031  
2032                  // Stop total size calculation.
2033                  $size_total = null;
2034              } else {
2035                  if ( null !== $size_total ) {
2036                      $size_total += $dir_size;
2037                  }
2038  
2039                  $results['raw']   = $dir_size;
2040                  $results['size']  = size_format( $dir_size, 2 );
2041                  $results['debug'] = $results['size'] . " ({$dir_size} bytes)";
2042              }
2043  
2044              $all_sizes[ $name ] = $results;
2045          }
2046  
2047          if ( $size_db > 0 ) {
2048              $database_size = size_format( $size_db, 2 );
2049  
2050              $all_sizes['database_size'] = array(
2051                  'raw'   => $size_db,
2052                  'size'  => $database_size,
2053                  'debug' => $database_size . " ({$size_db} bytes)",
2054              );
2055          } else {
2056              $all_sizes['database_size'] = array(
2057                  'size'  => __( 'Not available' ),
2058                  'debug' => 'not available',
2059              );
2060          }
2061  
2062          if ( null !== $size_total && $size_db > 0 ) {
2063              $total_size    = $size_total + $size_db;
2064              $total_size_mb = size_format( $total_size, 2 );
2065  
2066              $all_sizes['total_size'] = array(
2067                  'raw'   => $total_size,
2068                  'size'  => $total_size_mb,
2069                  'debug' => $total_size_mb . " ({$total_size} bytes)",
2070              );
2071          } else {
2072              $all_sizes['total_size'] = array(
2073                  'size'  => __( 'Total size is not available. Some errors were encountered when determining the size of your installation.' ),
2074                  'debug' => 'not available',
2075              );
2076          }
2077  
2078          return $all_sizes;
2079      }
2080  }


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