wp/wp-admin/includes/class-wp-debug-data.php
changeset 9 177826044cd9
child 16 a86126ab1dd4
equal deleted inserted replaced
8:c7c34916027a 9:177826044cd9
       
     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 class WP_Debug_Data {
       
    11 	/**
       
    12 	 * Calls all core functions to check for updates.
       
    13 	 *
       
    14 	 * @since 5.2.0
       
    15 	 */
       
    16 	static function check_for_updates() {
       
    17 		wp_version_check();
       
    18 		wp_update_plugins();
       
    19 		wp_update_themes();
       
    20 	}
       
    21 
       
    22 	/**
       
    23 	 * Static function for generating site debug data when required.
       
    24 	 *
       
    25 	 * @since 5.2.0
       
    26 	 *
       
    27 	 * @throws ImagickException
       
    28 	 * @global wpdb $wpdb WordPress database abstraction object.
       
    29 	 *
       
    30 	 * @return array The debug data for the site.
       
    31 	 */
       
    32 	static function debug_data() {
       
    33 		global $wpdb;
       
    34 
       
    35 		// Save few function calls.
       
    36 		$upload_dir             = wp_get_upload_dir();
       
    37 		$permalink_structure    = get_option( 'permalink_structure' );
       
    38 		$is_ssl                 = is_ssl();
       
    39 		$users_can_register     = get_option( 'users_can_register' );
       
    40 		$default_comment_status = get_option( 'default_comment_status' );
       
    41 		$is_multisite           = is_multisite();
       
    42 		$core_version           = get_bloginfo( 'version' );
       
    43 		$core_updates           = get_core_updates();
       
    44 		$core_update_needed     = '';
       
    45 
       
    46 		foreach ( $core_updates as $core => $update ) {
       
    47 			if ( 'upgrade' === $update->response ) {
       
    48 				// translators: %s: Latest WordPress version number.
       
    49 				$core_update_needed = ' ' . sprintf( __( '(Latest version: %s)' ), $update->version );
       
    50 			} else {
       
    51 				$core_update_needed = '';
       
    52 			}
       
    53 		}
       
    54 
       
    55 		// Set up the array that holds all debug information.
       
    56 		$info = array();
       
    57 
       
    58 		$info['wp-core'] = array(
       
    59 			'label'  => __( 'WordPress' ),
       
    60 			'fields' => array(
       
    61 				'version'                => array(
       
    62 					'label' => __( 'Version' ),
       
    63 					'value' => $core_version . $core_update_needed,
       
    64 					'debug' => $core_version,
       
    65 				),
       
    66 				'site_language'          => array(
       
    67 					'label' => __( 'Site Language' ),
       
    68 					'value' => get_locale(),
       
    69 				),
       
    70 				'user_language'          => array(
       
    71 					'label' => __( 'User Language' ),
       
    72 					'value' => get_user_locale(),
       
    73 				),
       
    74 				'home_url'               => array(
       
    75 					'label'   => __( 'Home URL' ),
       
    76 					'value'   => get_bloginfo( 'url' ),
       
    77 					'private' => true,
       
    78 				),
       
    79 				'site_url'               => array(
       
    80 					'label'   => __( 'Site URL' ),
       
    81 					'value'   => get_bloginfo( 'wpurl' ),
       
    82 					'private' => true,
       
    83 				),
       
    84 				'permalink'              => array(
       
    85 					'label' => __( 'Permalink structure' ),
       
    86 					'value' => $permalink_structure ?: __( 'No permalink structure set' ),
       
    87 					'debug' => $permalink_structure,
       
    88 				),
       
    89 				'https_status'           => array(
       
    90 					'label' => __( 'Is this site using HTTPS?' ),
       
    91 					'value' => $is_ssl ? __( 'Yes' ) : __( 'No' ),
       
    92 					'debug' => $is_ssl,
       
    93 				),
       
    94 				'user_registration'      => array(
       
    95 					'label' => __( 'Can anyone register on this site?' ),
       
    96 					'value' => $users_can_register ? __( 'Yes' ) : __( 'No' ),
       
    97 					'debug' => $users_can_register,
       
    98 				),
       
    99 				'default_comment_status' => array(
       
   100 					'label' => __( 'Default comment status' ),
       
   101 					'value' => 'open' === $default_comment_status ? _x( 'Open', 'comment status' ) : _x( 'Closed', 'comment status' ),
       
   102 					'debug' => $default_comment_status,
       
   103 				),
       
   104 				'multisite'              => array(
       
   105 					'label' => __( 'Is this a multisite?' ),
       
   106 					'value' => $is_multisite ? __( 'Yes' ) : __( 'No' ),
       
   107 					'debug' => $is_multisite,
       
   108 				),
       
   109 			),
       
   110 		);
       
   111 
       
   112 		if ( ! $is_multisite ) {
       
   113 			$info['wp-paths-sizes'] = array(
       
   114 				'label'  => __( 'Directories and Sizes' ),
       
   115 				'fields' => array(),
       
   116 			);
       
   117 		}
       
   118 
       
   119 		$info['wp-dropins'] = array(
       
   120 			'label'       => __( 'Drop-ins' ),
       
   121 			'show_count'  => true,
       
   122 			'description' => __( 'Drop-ins are single files that replace or enhance WordPress features in ways that are not possible for traditional plugins.' ),
       
   123 			'fields'      => array(),
       
   124 		);
       
   125 
       
   126 		$info['wp-active-theme'] = array(
       
   127 			'label'  => __( 'Active Theme' ),
       
   128 			'fields' => array(),
       
   129 		);
       
   130 
       
   131 		$info['wp-themes'] = array(
       
   132 			'label'      => __( 'Other Themes' ),
       
   133 			'show_count' => true,
       
   134 			'fields'     => array(),
       
   135 		);
       
   136 
       
   137 		$info['wp-mu-plugins'] = array(
       
   138 			'label'      => __( 'Must Use Plugins' ),
       
   139 			'show_count' => true,
       
   140 			'fields'     => array(),
       
   141 		);
       
   142 
       
   143 		$info['wp-plugins-active'] = array(
       
   144 			'label'      => __( 'Active Plugins' ),
       
   145 			'show_count' => true,
       
   146 			'fields'     => array(),
       
   147 		);
       
   148 
       
   149 		$info['wp-plugins-inactive'] = array(
       
   150 			'label'      => __( 'Inactive Plugins' ),
       
   151 			'show_count' => true,
       
   152 			'fields'     => array(),
       
   153 		);
       
   154 
       
   155 		$info['wp-media'] = array(
       
   156 			'label'  => __( 'Media Handling' ),
       
   157 			'fields' => array(),
       
   158 		);
       
   159 
       
   160 		$info['wp-server'] = array(
       
   161 			'label'       => __( 'Server' ),
       
   162 			'description' => __( 'The options shown below relate to your server setup. If changes are required, you may need your web host&#8217;s assistance.' ),
       
   163 			'fields'      => array(),
       
   164 		);
       
   165 
       
   166 		$info['wp-database'] = array(
       
   167 			'label'  => __( 'Database' ),
       
   168 			'fields' => array(),
       
   169 		);
       
   170 
       
   171 		// Check if WP_DEBUG_LOG is set.
       
   172 		$wp_debug_log_value = __( 'Disabled' );
       
   173 
       
   174 		if ( is_string( WP_DEBUG_LOG ) ) {
       
   175 			$wp_debug_log_value = WP_DEBUG_LOG;
       
   176 		} elseif ( WP_DEBUG_LOG ) {
       
   177 			$wp_debug_log_value = __( 'Enabled' );
       
   178 		}
       
   179 
       
   180 		// Check CONCATENATE_SCRIPTS.
       
   181 		if ( defined( 'CONCATENATE_SCRIPTS' ) ) {
       
   182 			$concatenate_scripts       = CONCATENATE_SCRIPTS ? __( 'Enabled' ) : __( 'Disabled' );
       
   183 			$concatenate_scripts_debug = CONCATENATE_SCRIPTS ? 'true' : 'false';
       
   184 		} else {
       
   185 			$concatenate_scripts       = __( 'Undefined' );
       
   186 			$concatenate_scripts_debug = 'undefined';
       
   187 		}
       
   188 
       
   189 		// Check COMPRESS_SCRIPTS.
       
   190 		if ( defined( 'COMPRESS_SCRIPTS' ) ) {
       
   191 			$compress_scripts       = COMPRESS_SCRIPTS ? __( 'Enabled' ) : __( 'Disabled' );
       
   192 			$compress_scripts_debug = COMPRESS_SCRIPTS ? 'true' : 'false';
       
   193 		} else {
       
   194 			$compress_scripts       = __( 'Undefined' );
       
   195 			$compress_scripts_debug = 'undefined';
       
   196 		}
       
   197 
       
   198 		// Check COMPRESS_CSS.
       
   199 		if ( defined( 'COMPRESS_CSS' ) ) {
       
   200 			$compress_css       = COMPRESS_CSS ? __( 'Enabled' ) : __( 'Disabled' );
       
   201 			$compress_css_debug = COMPRESS_CSS ? 'true' : 'false';
       
   202 		} else {
       
   203 			$compress_css       = __( 'Undefined' );
       
   204 			$compress_css_debug = 'undefined';
       
   205 		}
       
   206 
       
   207 		// Check WP_LOCAL_DEV.
       
   208 		if ( defined( 'WP_LOCAL_DEV' ) ) {
       
   209 			$wp_local_dev       = WP_LOCAL_DEV ? __( 'Enabled' ) : __( 'Disabled' );
       
   210 			$wp_local_dev_debug = WP_LOCAL_DEV ? 'true' : 'false';
       
   211 		} else {
       
   212 			$wp_local_dev       = __( 'Undefined' );
       
   213 			$wp_local_dev_debug = 'undefined';
       
   214 		}
       
   215 
       
   216 		$info['wp-constants'] = array(
       
   217 			'label'       => __( 'WordPress Constants' ),
       
   218 			'description' => __( 'These settings alter where and how parts of WordPress are loaded.' ),
       
   219 			'fields'      => array(
       
   220 				'ABSPATH'             => array(
       
   221 					'label'   => 'ABSPATH',
       
   222 					'value'   => ABSPATH,
       
   223 					'private' => true,
       
   224 				),
       
   225 				'WP_HOME'             => array(
       
   226 					'label' => 'WP_HOME',
       
   227 					'value' => ( defined( 'WP_HOME' ) ? WP_HOME : __( 'Undefined' ) ),
       
   228 					'debug' => ( defined( 'WP_HOME' ) ? WP_HOME : 'undefined' ),
       
   229 				),
       
   230 				'WP_SITEURL'          => array(
       
   231 					'label' => 'WP_SITEURL',
       
   232 					'value' => ( defined( 'WP_SITEURL' ) ? WP_SITEURL : __( 'Undefined' ) ),
       
   233 					'debug' => ( defined( 'WP_SITEURL' ) ? WP_SITEURL : 'undefined' ),
       
   234 				),
       
   235 				'WP_CONTENT_DIR'      => array(
       
   236 					'label' => 'WP_CONTENT_DIR',
       
   237 					'value' => WP_CONTENT_DIR,
       
   238 				),
       
   239 				'WP_PLUGIN_DIR'       => array(
       
   240 					'label' => 'WP_PLUGIN_DIR',
       
   241 					'value' => WP_PLUGIN_DIR,
       
   242 				),
       
   243 				'WP_MAX_MEMORY_LIMIT' => array(
       
   244 					'label' => 'WP_MAX_MEMORY_LIMIT',
       
   245 					'value' => WP_MAX_MEMORY_LIMIT,
       
   246 				),
       
   247 				'WP_DEBUG'            => array(
       
   248 					'label' => 'WP_DEBUG',
       
   249 					'value' => WP_DEBUG ? __( 'Enabled' ) : __( 'Disabled' ),
       
   250 					'debug' => WP_DEBUG,
       
   251 				),
       
   252 				'WP_DEBUG_DISPLAY'    => array(
       
   253 					'label' => 'WP_DEBUG_DISPLAY',
       
   254 					'value' => WP_DEBUG_DISPLAY ? __( 'Enabled' ) : __( 'Disabled' ),
       
   255 					'debug' => WP_DEBUG_DISPLAY,
       
   256 				),
       
   257 				'WP_DEBUG_LOG'        => array(
       
   258 					'label' => 'WP_DEBUG_LOG',
       
   259 					'value' => $wp_debug_log_value,
       
   260 					'debug' => WP_DEBUG_LOG,
       
   261 				),
       
   262 				'SCRIPT_DEBUG'        => array(
       
   263 					'label' => 'SCRIPT_DEBUG',
       
   264 					'value' => SCRIPT_DEBUG ? __( 'Enabled' ) : __( 'Disabled' ),
       
   265 					'debug' => SCRIPT_DEBUG,
       
   266 				),
       
   267 				'WP_CACHE'            => array(
       
   268 					'label' => 'WP_CACHE',
       
   269 					'value' => WP_CACHE ? __( 'Enabled' ) : __( 'Disabled' ),
       
   270 					'debug' => WP_CACHE,
       
   271 				),
       
   272 				'CONCATENATE_SCRIPTS' => array(
       
   273 					'label' => 'CONCATENATE_SCRIPTS',
       
   274 					'value' => $concatenate_scripts,
       
   275 					'debug' => $concatenate_scripts_debug,
       
   276 				),
       
   277 				'COMPRESS_SCRIPTS'    => array(
       
   278 					'label' => 'COMPRESS_SCRIPTS',
       
   279 					'value' => $compress_scripts,
       
   280 					'debug' => $compress_scripts_debug,
       
   281 				),
       
   282 				'COMPRESS_CSS'        => array(
       
   283 					'label' => 'COMPRESS_CSS',
       
   284 					'value' => $compress_css,
       
   285 					'debug' => $compress_css_debug,
       
   286 				),
       
   287 				'WP_LOCAL_DEV'        => array(
       
   288 					'label' => 'WP_LOCAL_DEV',
       
   289 					'value' => $wp_local_dev,
       
   290 					'debug' => $wp_local_dev_debug,
       
   291 				),
       
   292 			),
       
   293 		);
       
   294 
       
   295 		$is_writable_abspath            = wp_is_writable( ABSPATH );
       
   296 		$is_writable_wp_content_dir     = wp_is_writable( WP_CONTENT_DIR );
       
   297 		$is_writable_upload_dir         = wp_is_writable( $upload_dir['basedir'] );
       
   298 		$is_writable_wp_plugin_dir      = wp_is_writable( WP_PLUGIN_DIR );
       
   299 		$is_writable_template_directory = wp_is_writable( get_template_directory() . '/..' );
       
   300 
       
   301 		$info['wp-filesystem'] = array(
       
   302 			'label'       => __( 'Filesystem Permissions' ),
       
   303 			'description' => __( 'Shows whether WordPress is able to write to the directories it needs access to.' ),
       
   304 			'fields'      => array(
       
   305 				'wordpress'  => array(
       
   306 					'label' => __( 'The main WordPress directory' ),
       
   307 					'value' => ( $is_writable_abspath ? __( 'Writable' ) : __( 'Not writable' ) ),
       
   308 					'debug' => ( $is_writable_abspath ? 'writable' : 'not writable' ),
       
   309 				),
       
   310 				'wp-content' => array(
       
   311 					'label' => __( 'The wp-content directory' ),
       
   312 					'value' => ( $is_writable_wp_content_dir ? __( 'Writable' ) : __( 'Not writable' ) ),
       
   313 					'debug' => ( $is_writable_wp_content_dir ? 'writable' : 'not writable' ),
       
   314 				),
       
   315 				'uploads'    => array(
       
   316 					'label' => __( 'The uploads directory' ),
       
   317 					'value' => ( $is_writable_upload_dir ? __( 'Writable' ) : __( 'Not writable' ) ),
       
   318 					'debug' => ( $is_writable_upload_dir ? 'writable' : 'not writable' ),
       
   319 				),
       
   320 				'plugins'    => array(
       
   321 					'label' => __( 'The plugins directory' ),
       
   322 					'value' => ( $is_writable_wp_plugin_dir ? __( 'Writable' ) : __( 'Not writable' ) ),
       
   323 					'debug' => ( $is_writable_wp_plugin_dir ? 'writable' : 'not writable' ),
       
   324 				),
       
   325 				'themes'     => array(
       
   326 					'label' => __( 'The themes directory' ),
       
   327 					'value' => ( $is_writable_template_directory ? __( 'Writable' ) : __( 'Not writable' ) ),
       
   328 					'debug' => ( $is_writable_template_directory ? 'writable' : 'not writable' ),
       
   329 				),
       
   330 			),
       
   331 		);
       
   332 
       
   333 		// Conditionally add debug information for multisite setups.
       
   334 		if ( is_multisite() ) {
       
   335 			$network_query = new WP_Network_Query();
       
   336 			$network_ids   = $network_query->query(
       
   337 				array(
       
   338 					'fields'        => 'ids',
       
   339 					'number'        => 100,
       
   340 					'no_found_rows' => false,
       
   341 				)
       
   342 			);
       
   343 
       
   344 			$site_count = 0;
       
   345 			foreach ( $network_ids as $network_id ) {
       
   346 				$site_count += get_blog_count( $network_id );
       
   347 			}
       
   348 
       
   349 			$info['wp-core']['fields']['user_count'] = array(
       
   350 				'label' => __( 'User count' ),
       
   351 				'value' => get_user_count(),
       
   352 			);
       
   353 
       
   354 			$info['wp-core']['fields']['site_count'] = array(
       
   355 				'label' => __( 'Site count' ),
       
   356 				'value' => $site_count,
       
   357 			);
       
   358 
       
   359 			$info['wp-core']['fields']['network_count'] = array(
       
   360 				'label' => __( 'Network count' ),
       
   361 				'value' => $network_query->found_networks,
       
   362 			);
       
   363 		} else {
       
   364 			$user_count = count_users();
       
   365 
       
   366 			$info['wp-core']['fields']['user_count'] = array(
       
   367 				'label' => __( 'User count' ),
       
   368 				'value' => $user_count['total_users'],
       
   369 			);
       
   370 		}
       
   371 
       
   372 		// WordPress features requiring processing.
       
   373 		$wp_dotorg = wp_remote_get( 'https://wordpress.org', array( 'timeout' => 10 ) );
       
   374 
       
   375 		if ( ! is_wp_error( $wp_dotorg ) ) {
       
   376 			$info['wp-core']['fields']['dotorg_communication'] = array(
       
   377 				'label' => __( 'Communication with WordPress.org' ),
       
   378 				'value' => __( 'WordPress.org is reachable' ),
       
   379 				'debug' => 'true',
       
   380 			);
       
   381 		} else {
       
   382 			$info['wp-core']['fields']['dotorg_communication'] = array(
       
   383 				'label' => __( 'Communication with WordPress.org' ),
       
   384 				'value' => sprintf(
       
   385 					// translators: 1: The IP address WordPress.org resolves to. 2: The error returned by the lookup.
       
   386 					__( 'Unable to reach WordPress.org at %1$s: %2$s' ),
       
   387 					gethostbyname( 'wordpress.org' ),
       
   388 					$wp_dotorg->get_error_message()
       
   389 				),
       
   390 				'debug' => $wp_dotorg->get_error_message(),
       
   391 			);
       
   392 		}
       
   393 
       
   394 		// Remove accordion for Directories and Sizes if in Multisite.
       
   395 		if ( ! $is_multisite ) {
       
   396 			$loading = __( 'Loading&hellip;' );
       
   397 
       
   398 			$info['wp-paths-sizes']['fields'] = array(
       
   399 				'wordpress_path' => array(
       
   400 					'label' => __( 'WordPress directory location' ),
       
   401 					'value' => untrailingslashit( ABSPATH ),
       
   402 				),
       
   403 				'wordpress_size' => array(
       
   404 					'label' => __( 'WordPress directory size' ),
       
   405 					'value' => $loading,
       
   406 					'debug' => 'loading...',
       
   407 				),
       
   408 				'uploads_path'   => array(
       
   409 					'label' => __( 'Uploads directory location' ),
       
   410 					'value' => $upload_dir['basedir'],
       
   411 				),
       
   412 				'uploads_size'   => array(
       
   413 					'label' => __( 'Uploads directory size' ),
       
   414 					'value' => $loading,
       
   415 					'debug' => 'loading...',
       
   416 				),
       
   417 				'themes_path'    => array(
       
   418 					'label' => __( 'Themes directory location' ),
       
   419 					'value' => get_theme_root(),
       
   420 				),
       
   421 				'themes_size'    => array(
       
   422 					'label' => __( 'Themes directory size' ),
       
   423 					'value' => $loading,
       
   424 					'debug' => 'loading...',
       
   425 				),
       
   426 				'plugins_path'   => array(
       
   427 					'label' => __( 'Plugins directory location' ),
       
   428 					'value' => WP_PLUGIN_DIR,
       
   429 				),
       
   430 				'plugins_size'   => array(
       
   431 					'label' => __( 'Plugins directory size' ),
       
   432 					'value' => $loading,
       
   433 					'debug' => 'loading...',
       
   434 				),
       
   435 				'database_size'  => array(
       
   436 					'label' => __( 'Database size' ),
       
   437 					'value' => $loading,
       
   438 					'debug' => 'loading...',
       
   439 				),
       
   440 				'total_size'     => array(
       
   441 					'label' => __( 'Total installation size' ),
       
   442 					'value' => $loading,
       
   443 					'debug' => 'loading...',
       
   444 				),
       
   445 			);
       
   446 		}
       
   447 
       
   448 		// Get a list of all drop-in replacements.
       
   449 		$dropins = get_dropins();
       
   450 
       
   451 		// Get dropins descriptions.
       
   452 		$dropin_descriptions = _get_dropins();
       
   453 
       
   454 		// Spare few function calls.
       
   455 		$not_available = __( 'Not available' );
       
   456 
       
   457 		foreach ( $dropins as $dropin_key => $dropin ) {
       
   458 			$info['wp-dropins']['fields'][ sanitize_text_field( $dropin_key ) ] = array(
       
   459 				'label' => $dropin_key,
       
   460 				'value' => $dropin_descriptions[ $dropin_key ][0],
       
   461 				'debug' => 'true',
       
   462 			);
       
   463 		}
       
   464 
       
   465 		// Populate the media fields.
       
   466 		$info['wp-media']['fields']['image_editor'] = array(
       
   467 			'label' => __( 'Active editor' ),
       
   468 			'value' => _wp_image_editor_choose(),
       
   469 		);
       
   470 
       
   471 		// Get ImageMagic information, if available.
       
   472 		if ( class_exists( 'Imagick' ) ) {
       
   473 			// Save the Imagick instance for later use.
       
   474 			$imagick         = new Imagick();
       
   475 			$imagick_version = $imagick->getVersion();
       
   476 		} else {
       
   477 			$imagick_version = __( 'Not available' );
       
   478 		}
       
   479 
       
   480 		$info['wp-media']['fields']['imagick_module_version'] = array(
       
   481 			'label' => __( 'ImageMagick version number' ),
       
   482 			'value' => ( is_array( $imagick_version ) ? $imagick_version['versionNumber'] : $imagick_version ),
       
   483 		);
       
   484 
       
   485 		$info['wp-media']['fields']['imagemagick_version'] = array(
       
   486 			'label' => __( 'ImageMagick version string' ),
       
   487 			'value' => ( is_array( $imagick_version ) ? $imagick_version['versionString'] : $imagick_version ),
       
   488 		);
       
   489 
       
   490 		// If Imagick is used as our editor, provide some more information about its limitations.
       
   491 		if ( 'WP_Image_Editor_Imagick' === _wp_image_editor_choose() && isset( $imagick ) && $imagick instanceof Imagick ) {
       
   492 			$limits = array(
       
   493 				'area'   => ( defined( 'imagick::RESOURCETYPE_AREA' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_AREA ) ) : $not_available ),
       
   494 				'disk'   => ( defined( 'imagick::RESOURCETYPE_DISK' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_DISK ) : $not_available ),
       
   495 				'file'   => ( defined( 'imagick::RESOURCETYPE_FILE' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_FILE ) : $not_available ),
       
   496 				'map'    => ( defined( 'imagick::RESOURCETYPE_MAP' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MAP ) ) : $not_available ),
       
   497 				'memory' => ( defined( 'imagick::RESOURCETYPE_MEMORY' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MEMORY ) ) : $not_available ),
       
   498 				'thread' => ( defined( 'imagick::RESOURCETYPE_THREAD' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_THREAD ) : $not_available ),
       
   499 			);
       
   500 
       
   501 			$limits_debug = array(
       
   502 				'imagick::RESOURCETYPE_AREA'   => ( defined( 'imagick::RESOURCETYPE_AREA' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_AREA ) ) : 'not available' ),
       
   503 				'imagick::RESOURCETYPE_DISK'   => ( defined( 'imagick::RESOURCETYPE_DISK' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_DISK ) : 'not available' ),
       
   504 				'imagick::RESOURCETYPE_FILE'   => ( defined( 'imagick::RESOURCETYPE_FILE' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_FILE ) : 'not available' ),
       
   505 				'imagick::RESOURCETYPE_MAP'    => ( defined( 'imagick::RESOURCETYPE_MAP' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MAP ) ) : 'not available' ),
       
   506 				'imagick::RESOURCETYPE_MEMORY' => ( defined( 'imagick::RESOURCETYPE_MEMORY' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MEMORY ) ) : 'not available' ),
       
   507 				'imagick::RESOURCETYPE_THREAD' => ( defined( 'imagick::RESOURCETYPE_THREAD' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_THREAD ) : 'not available' ),
       
   508 			);
       
   509 
       
   510 			$info['wp-media']['fields']['imagick_limits'] = array(
       
   511 				'label' => __( 'Imagick Resource Limits' ),
       
   512 				'value' => $limits,
       
   513 				'debug' => $limits_debug,
       
   514 			);
       
   515 		}
       
   516 
       
   517 		// Get GD information, if available.
       
   518 		if ( function_exists( 'gd_info' ) ) {
       
   519 			$gd = gd_info();
       
   520 		} else {
       
   521 			$gd = false;
       
   522 		}
       
   523 
       
   524 		$info['wp-media']['fields']['gd_version'] = array(
       
   525 			'label' => __( 'GD version' ),
       
   526 			'value' => ( is_array( $gd ) ? $gd['GD Version'] : $not_available ),
       
   527 			'debug' => ( is_array( $gd ) ? $gd['GD Version'] : 'not available' ),
       
   528 		);
       
   529 
       
   530 		// Get Ghostscript information, if available.
       
   531 		if ( function_exists( 'exec' ) ) {
       
   532 			$gs = exec( 'gs --version' );
       
   533 
       
   534 			if ( empty( $gs ) ) {
       
   535 				$gs       = $not_available;
       
   536 				$gs_debug = 'not available';
       
   537 			} else {
       
   538 				$gs_debug = $gs;
       
   539 			}
       
   540 		} else {
       
   541 			$gs       = __( 'Unable to determine if Ghostscript is installed' );
       
   542 			$gs_debug = 'unknown';
       
   543 		}
       
   544 
       
   545 		$info['wp-media']['fields']['ghostscript_version'] = array(
       
   546 			'label' => __( 'Ghostscript version' ),
       
   547 			'value' => $gs,
       
   548 			'debug' => $gs_debug,
       
   549 		);
       
   550 
       
   551 		// Populate the server debug fields.
       
   552 		if ( function_exists( 'php_uname' ) ) {
       
   553 			$server_architecture = sprintf( '%s %s %s', php_uname( 's' ), php_uname( 'r' ), php_uname( 'm' ) );
       
   554 		} else {
       
   555 			$server_architecture = 'unknown';
       
   556 		}
       
   557 
       
   558 		if ( function_exists( 'phpversion' ) ) {
       
   559 			$php_version_debug = phpversion();
       
   560 			// Whether PHP supports 64bit
       
   561 			$php64bit = ( PHP_INT_SIZE * 8 === 64 );
       
   562 
       
   563 			$php_version = sprintf(
       
   564 				'%s %s',
       
   565 				$php_version_debug,
       
   566 				( $php64bit ? __( '(Supports 64bit values)' ) : __( '(Does not support 64bit values)' ) )
       
   567 			);
       
   568 
       
   569 			if ( $php64bit ) {
       
   570 				$php_version_debug .= ' 64bit';
       
   571 			}
       
   572 		} else {
       
   573 			$php_version       = __( 'Unable to determine PHP version' );
       
   574 			$php_version_debug = 'unknown';
       
   575 		}
       
   576 
       
   577 		if ( function_exists( 'php_sapi_name' ) ) {
       
   578 			$php_sapi = php_sapi_name();
       
   579 		} else {
       
   580 			$php_sapi = 'unknown';
       
   581 		}
       
   582 
       
   583 		$info['wp-server']['fields']['server_architecture'] = array(
       
   584 			'label' => __( 'Server architecture' ),
       
   585 			'value' => ( 'unknown' !== $server_architecture ? $server_architecture : __( 'Unable to determine server architecture' ) ),
       
   586 			'debug' => $server_architecture,
       
   587 		);
       
   588 		$info['wp-server']['fields']['httpd_software']      = array(
       
   589 			'label' => __( 'Web server' ),
       
   590 			'value' => ( isset( $_SERVER['SERVER_SOFTWARE'] ) ? $_SERVER['SERVER_SOFTWARE'] : __( 'Unable to determine what web server software is used' ) ),
       
   591 			'debug' => ( isset( $_SERVER['SERVER_SOFTWARE'] ) ? $_SERVER['SERVER_SOFTWARE'] : 'unknown' ),
       
   592 		);
       
   593 		$info['wp-server']['fields']['php_version']         = array(
       
   594 			'label' => __( 'PHP version' ),
       
   595 			'value' => $php_version,
       
   596 			'debug' => $php_version_debug,
       
   597 		);
       
   598 		$info['wp-server']['fields']['php_sapi']            = array(
       
   599 			'label' => __( 'PHP SAPI' ),
       
   600 			'value' => ( 'unknown' !== $php_sapi ? $php_sapi : __( 'Unable to determine PHP SAPI' ) ),
       
   601 			'debug' => $php_sapi,
       
   602 		);
       
   603 
       
   604 		// Some servers disable `ini_set()` and `ini_get()`, we check this before trying to get configuration values.
       
   605 		if ( ! function_exists( 'ini_get' ) ) {
       
   606 			$info['wp-server']['fields']['ini_get'] = array(
       
   607 				'label' => __( 'Server settings' ),
       
   608 				'value' => __( 'Unable to determine some settings, as the ini_get() function has been disabled.' ),
       
   609 				'debug' => 'ini_get() is disabled',
       
   610 			);
       
   611 		} else {
       
   612 			$info['wp-server']['fields']['max_input_variables'] = array(
       
   613 				'label' => __( 'PHP max input variables' ),
       
   614 				'value' => ini_get( 'max_input_vars' ),
       
   615 			);
       
   616 			$info['wp-server']['fields']['time_limit']          = array(
       
   617 				'label' => __( 'PHP time limit' ),
       
   618 				'value' => ini_get( 'max_execution_time' ),
       
   619 			);
       
   620 			$info['wp-server']['fields']['memory_limit']        = array(
       
   621 				'label' => __( 'PHP memory limit' ),
       
   622 				'value' => ini_get( 'memory_limit' ),
       
   623 			);
       
   624 			$info['wp-server']['fields']['max_input_time']      = array(
       
   625 				'label' => __( 'Max input time' ),
       
   626 				'value' => ini_get( 'max_input_time' ),
       
   627 			);
       
   628 			$info['wp-server']['fields']['upload_max_size']     = array(
       
   629 				'label' => __( 'Upload max filesize' ),
       
   630 				'value' => ini_get( 'upload_max_filesize' ),
       
   631 			);
       
   632 			$info['wp-server']['fields']['php_post_max_size']   = array(
       
   633 				'label' => __( 'PHP post max size' ),
       
   634 				'value' => ini_get( 'post_max_size' ),
       
   635 			);
       
   636 		}
       
   637 
       
   638 		if ( function_exists( 'curl_version' ) ) {
       
   639 			$curl = curl_version();
       
   640 
       
   641 			$info['wp-server']['fields']['curl_version'] = array(
       
   642 				'label' => __( 'cURL version' ),
       
   643 				'value' => sprintf( '%s %s', $curl['version'], $curl['ssl_version'] ),
       
   644 			);
       
   645 		} else {
       
   646 			$info['wp-server']['fields']['curl_version'] = array(
       
   647 				'label' => __( 'cURL version' ),
       
   648 				'value' => $not_available,
       
   649 				'debug' => 'not available',
       
   650 			);
       
   651 		}
       
   652 
       
   653 		// SUHOSIN
       
   654 		$suhosin_loaded = ( extension_loaded( 'suhosin' ) || ( defined( 'SUHOSIN_PATCH' ) && constant( 'SUHOSIN_PATCH' ) ) );
       
   655 
       
   656 		$info['wp-server']['fields']['suhosin'] = array(
       
   657 			'label' => __( 'Is SUHOSIN installed?' ),
       
   658 			'value' => ( $suhosin_loaded ? __( 'Yes' ) : __( 'No' ) ),
       
   659 			'debug' => $suhosin_loaded,
       
   660 		);
       
   661 
       
   662 		// Imagick
       
   663 		$imagick_loaded = extension_loaded( 'imagick' );
       
   664 
       
   665 		$info['wp-server']['fields']['imagick_availability'] = array(
       
   666 			'label' => __( 'Is the Imagick library available?' ),
       
   667 			'value' => ( $imagick_loaded ? __( 'Yes' ) : __( 'No' ) ),
       
   668 			'debug' => $imagick_loaded,
       
   669 		);
       
   670 
       
   671 		// Check if a .htaccess file exists.
       
   672 		if ( is_file( ABSPATH . '.htaccess' ) ) {
       
   673 			// If the file exists, grab the content of it.
       
   674 			$htaccess_content = file_get_contents( ABSPATH . '.htaccess' );
       
   675 
       
   676 			// Filter away the core WordPress rules.
       
   677 			$filtered_htaccess_content = trim( preg_replace( '/\# BEGIN WordPress[\s\S]+?# END WordPress/si', '', $htaccess_content ) );
       
   678 			$filtered_htaccess_content = ! empty( $filtered_htaccess_content );
       
   679 
       
   680 			$info['wp-server']['fields']['htaccess_extra_rules'] = array(
       
   681 				'label' => __( '.htaccess rules' ),
       
   682 				'value' => ( $filtered_htaccess_content ? __( 'Custom rules have been added to your .htaccess file.' ) : __( 'Your .htaccess file contains only core WordPress features.' ) ),
       
   683 				'debug' => $filtered_htaccess_content,
       
   684 			);
       
   685 		}
       
   686 
       
   687 		// Populate the database debug fields.
       
   688 		if ( is_resource( $wpdb->dbh ) ) {
       
   689 			// Old mysql extension.
       
   690 			$extension = 'mysql';
       
   691 		} elseif ( is_object( $wpdb->dbh ) ) {
       
   692 			// mysqli or PDO.
       
   693 			$extension = get_class( $wpdb->dbh );
       
   694 		} else {
       
   695 			// Unknown sql extension.
       
   696 			$extension = null;
       
   697 		}
       
   698 
       
   699 		/*
       
   700 		 * Check what database engine is used, this will throw compatibility
       
   701 		 * warnings from PHP compatibility testers, but `mysql_*` is
       
   702 		 * still valid in PHP 5.6, so we need to account for that.
       
   703 		 */
       
   704 		if ( method_exists( $wpdb, 'db_version' ) ) {
       
   705 			if ( $wpdb->use_mysqli ) {
       
   706 				// phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysqli_get_server_info
       
   707 				$server = mysqli_get_server_info( $wpdb->dbh );
       
   708 			} else {
       
   709 				// phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysql_get_server_info
       
   710 				$server = mysql_get_server_info( $wpdb->dbh );
       
   711 			}
       
   712 		} else {
       
   713 			$server = null;
       
   714 		}
       
   715 
       
   716 		if ( isset( $wpdb->use_mysqli ) && $wpdb->use_mysqli ) {
       
   717 			$client_version = $wpdb->dbh->client_info;
       
   718 		} else {
       
   719 			// phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysql_get_client_info
       
   720 			if ( preg_match( '|[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2}|', mysql_get_client_info(), $matches ) ) {
       
   721 				$client_version = $matches[0];
       
   722 			} else {
       
   723 				$client_version = null;
       
   724 			}
       
   725 		}
       
   726 
       
   727 		$info['wp-database']['fields']['extension'] = array(
       
   728 			'label' => __( 'Extension' ),
       
   729 			'value' => $extension,
       
   730 		);
       
   731 
       
   732 		$info['wp-database']['fields']['server_version'] = array(
       
   733 			'label' => __( 'Server version' ),
       
   734 			'value' => $server,
       
   735 		);
       
   736 
       
   737 		$info['wp-database']['fields']['client_version'] = array(
       
   738 			'label' => __( 'Client version' ),
       
   739 			'value' => $client_version,
       
   740 		);
       
   741 
       
   742 		$info['wp-database']['fields']['database_user'] = array(
       
   743 			'label'   => __( 'Database user' ),
       
   744 			'value'   => $wpdb->dbuser,
       
   745 			'private' => true,
       
   746 		);
       
   747 
       
   748 		$info['wp-database']['fields']['database_host'] = array(
       
   749 			'label'   => __( 'Database host' ),
       
   750 			'value'   => $wpdb->dbhost,
       
   751 			'private' => true,
       
   752 		);
       
   753 
       
   754 		$info['wp-database']['fields']['database_name'] = array(
       
   755 			'label'   => __( 'Database name' ),
       
   756 			'value'   => $wpdb->dbname,
       
   757 			'private' => true,
       
   758 		);
       
   759 
       
   760 		$info['wp-database']['fields']['database_prefix'] = array(
       
   761 			'label'   => __( 'Database prefix' ),
       
   762 			'value'   => $wpdb->prefix,
       
   763 			'private' => true,
       
   764 		);
       
   765 
       
   766 		// List must use plugins if there are any.
       
   767 		$mu_plugins = get_mu_plugins();
       
   768 
       
   769 		foreach ( $mu_plugins as $plugin_path => $plugin ) {
       
   770 			$plugin_version = $plugin['Version'];
       
   771 			$plugin_author  = $plugin['Author'];
       
   772 
       
   773 			$plugin_version_string       = __( 'No version or author information is available.' );
       
   774 			$plugin_version_string_debug = 'author: (undefined), version: (undefined)';
       
   775 
       
   776 			if ( ! empty( $plugin_version ) && ! empty( $plugin_author ) ) {
       
   777 				// translators: 1: Plugin version number. 2: Plugin author name.
       
   778 				$plugin_version_string       = sprintf( __( 'Version %1$s by %2$s' ), $plugin_version, $plugin_author );
       
   779 				$plugin_version_string_debug = sprintf( 'version: %s, author: %s', $plugin_version, $plugin_author );
       
   780 			} else {
       
   781 				if ( ! empty( $plugin_author ) ) {
       
   782 					// translators: %s: Plugin author name.
       
   783 					$plugin_version_string       = sprintf( __( 'By %s' ), $plugin_author );
       
   784 					$plugin_version_string_debug = sprintf( 'author: %s, version: (undefined)', $plugin_author );
       
   785 				}
       
   786 
       
   787 				if ( ! empty( $plugin_version ) ) {
       
   788 					// translators: %s: Plugin version number.
       
   789 					$plugin_version_string       = sprintf( __( 'Version %s' ), $plugin_version );
       
   790 					$plugin_version_string_debug = sprintf( 'author: (undefined), version: %s', $plugin_version );
       
   791 				}
       
   792 			}
       
   793 
       
   794 			$info['wp-mu-plugins']['fields'][ sanitize_text_field( $plugin['Name'] ) ] = array(
       
   795 				'label' => $plugin['Name'],
       
   796 				'value' => $plugin_version_string,
       
   797 				'debug' => $plugin_version_string_debug,
       
   798 			);
       
   799 		}
       
   800 
       
   801 		// List all available plugins.
       
   802 		$plugins        = get_plugins();
       
   803 		$plugin_updates = get_plugin_updates();
       
   804 
       
   805 		foreach ( $plugins as $plugin_path => $plugin ) {
       
   806 			$plugin_part = ( is_plugin_active( $plugin_path ) ) ? 'wp-plugins-active' : 'wp-plugins-inactive';
       
   807 
       
   808 			$plugin_version = $plugin['Version'];
       
   809 			$plugin_author  = $plugin['Author'];
       
   810 
       
   811 			$plugin_version_string       = __( 'No version or author information is available.' );
       
   812 			$plugin_version_string_debug = 'author: (undefined), version: (undefined)';
       
   813 
       
   814 			if ( ! empty( $plugin_version ) && ! empty( $plugin_author ) ) {
       
   815 				// translators: 1: Plugin version number. 2: Plugin author name.
       
   816 				$plugin_version_string       = sprintf( __( 'Version %1$s by %2$s' ), $plugin_version, $plugin_author );
       
   817 				$plugin_version_string_debug = sprintf( 'version: %s, author: %s', $plugin_version, $plugin_author );
       
   818 			} else {
       
   819 				if ( ! empty( $plugin_author ) ) {
       
   820 					// translators: %s: Plugin author name.
       
   821 					$plugin_version_string       = sprintf( __( 'By %s' ), $plugin_author );
       
   822 					$plugin_version_string_debug = sprintf( 'author: %s, version: (undefined)', $plugin_author );
       
   823 				}
       
   824 
       
   825 				if ( ! empty( $plugin_version ) ) {
       
   826 					// translators: %s: Plugin version number.
       
   827 					$plugin_version_string       = sprintf( __( 'Version %s' ), $plugin_version );
       
   828 					$plugin_version_string_debug = sprintf( 'author: (undefined), version: %s', $plugin_version );
       
   829 				}
       
   830 			}
       
   831 
       
   832 			if ( array_key_exists( $plugin_path, $plugin_updates ) ) {
       
   833 				// translators: %s: Latest plugin version number.
       
   834 				$plugin_version_string       .= ' ' . sprintf( __( '(Latest version: %s)' ), $plugin_updates[ $plugin_path ]->update->new_version );
       
   835 				$plugin_version_string_debug .= sprintf( ' (latest version: %s)', $plugin_updates[ $plugin_path ]->update->new_version );
       
   836 			}
       
   837 
       
   838 			$info[ $plugin_part ]['fields'][ sanitize_text_field( $plugin['Name'] ) ] = array(
       
   839 				'label' => $plugin['Name'],
       
   840 				'value' => $plugin_version_string,
       
   841 				'debug' => $plugin_version_string_debug,
       
   842 			);
       
   843 		}
       
   844 
       
   845 		// Populate the section for the currently active theme.
       
   846 		global $_wp_theme_features;
       
   847 		$theme_features = array();
       
   848 
       
   849 		if ( ! empty( $_wp_theme_features ) ) {
       
   850 			foreach ( $_wp_theme_features as $feature => $options ) {
       
   851 				$theme_features[] = $feature;
       
   852 			}
       
   853 		}
       
   854 
       
   855 		$active_theme  = wp_get_theme();
       
   856 		$theme_updates = get_theme_updates();
       
   857 
       
   858 		// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
       
   859 		$active_theme_version       = $active_theme->Version;
       
   860 		$active_theme_version_debug = $active_theme_version;
       
   861 
       
   862 		if ( array_key_exists( $active_theme->stylesheet, $theme_updates ) ) {
       
   863 			$theme_update_new_version = $theme_updates[ $active_theme->stylesheet ]->update['new_version'];
       
   864 
       
   865 			// translators: %s: Latest theme version number.
       
   866 			$active_theme_version       .= ' ' . sprintf( __( '(Latest version: %s)' ), $theme_update_new_version );
       
   867 			$active_theme_version_debug .= sprintf( ' (latest version: %s)', $theme_update_new_version );
       
   868 		}
       
   869 
       
   870 		$active_theme_author_uri = $active_theme->offsetGet( 'Author URI' );
       
   871 
       
   872 		$info['wp-active-theme']['fields'] = array(
       
   873 			'name'           => array(
       
   874 				'label' => __( 'Name' ),
       
   875 				// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
       
   876 				'value' => $active_theme->Name,
       
   877 			),
       
   878 			'version'        => array(
       
   879 				'label' => __( 'Version' ),
       
   880 				'value' => $active_theme_version,
       
   881 				'debug' => $active_theme_version_debug,
       
   882 			),
       
   883 			'author'         => array(
       
   884 				'label' => __( 'Author' ),
       
   885 				// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
       
   886 				'value' => wp_kses( $active_theme->Author, array() ),
       
   887 			),
       
   888 			'author_website' => array(
       
   889 				'label' => __( 'Author website' ),
       
   890 				'value' => ( $active_theme_author_uri ? $active_theme_author_uri : __( 'Undefined' ) ),
       
   891 				'debug' => ( $active_theme_author_uri ? $active_theme_author_uri : '(undefined)' ),
       
   892 			),
       
   893 			'parent_theme'   => array(
       
   894 				'label' => __( 'Parent theme' ),
       
   895 				'value' => ( $active_theme->parent_theme ? $active_theme->parent_theme : __( 'None' ) ),
       
   896 				'debug' => ( $active_theme->parent_theme ? $active_theme->parent_theme : 'none' ),
       
   897 			),
       
   898 			'theme_features' => array(
       
   899 				'label' => __( 'Theme features' ),
       
   900 				'value' => implode( ', ', $theme_features ),
       
   901 			),
       
   902 			'theme_path'     => array(
       
   903 				'label' => __( 'Theme directory location' ),
       
   904 				'value' => get_template_directory(),
       
   905 			),
       
   906 		);
       
   907 
       
   908 		// Populate a list of all themes available in the install.
       
   909 		$all_themes = wp_get_themes();
       
   910 
       
   911 		foreach ( $all_themes as $theme_slug => $theme ) {
       
   912 			// Ignore the currently active theme from the list of all themes.
       
   913 			if ( $active_theme->stylesheet === $theme_slug ) {
       
   914 				continue;
       
   915 			}
       
   916 			// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
       
   917 			$theme_version = $theme->Version;
       
   918 			// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
       
   919 			$theme_author = $theme->Author;
       
   920 
       
   921 			// Sanitize
       
   922 			$theme_author = wp_kses( $theme_author, array() );
       
   923 
       
   924 			$theme_version_string       = __( 'No version or author information is available.' );
       
   925 			$theme_version_string_debug = 'undefined';
       
   926 
       
   927 			if ( ! empty( $theme_version ) && ! empty( $theme_author ) ) {
       
   928 				// translators: 1: Theme version number. 2: Theme author name.
       
   929 				$theme_version_string       = sprintf( __( 'Version %1$s by %2$s' ), $theme_version, $theme_author );
       
   930 				$theme_version_string_debug = sprintf( 'version: %s, author: %s', $theme_version, $theme_author );
       
   931 			} else {
       
   932 				if ( ! empty( $theme_author ) ) {
       
   933 					// translators: %s: Theme author name.
       
   934 					$theme_version_string       = sprintf( __( 'By %s' ), $theme_author );
       
   935 					$theme_version_string_debug = sprintf( 'author: %s, version: (undefined)', $theme_author );
       
   936 				}
       
   937 
       
   938 				if ( ! empty( $theme_version ) ) {
       
   939 					// translators: %s: Theme version number.
       
   940 					$theme_version_string       = sprintf( __( 'Version %s' ), $theme_version );
       
   941 					$theme_version_string_debug = sprintf( 'author: (undefined), version: %s', $theme_version );
       
   942 				}
       
   943 			}
       
   944 
       
   945 			if ( array_key_exists( $theme_slug, $theme_updates ) ) {
       
   946 				// translators: %s: Latest theme version number.
       
   947 				$theme_version_string       .= ' ' . sprintf( __( '(Latest version: %s)' ), $theme_updates[ $theme_slug ]->update['new_version'] );
       
   948 				$theme_version_string_debug .= sprintf( ' (latest version: %s)', $theme_updates[ $theme_slug ]->update['new_version'] );
       
   949 			}
       
   950 
       
   951 			// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
       
   952 			$info['wp-themes']['fields'][ sanitize_text_field( $theme->Name ) ] = array(
       
   953 				'label' => sprintf(
       
   954 					// translators: 1: Theme name. 2: Theme slug.
       
   955 					__( '%1$s (%2$s)' ),
       
   956 					// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
       
   957 					$theme->Name,
       
   958 					$theme_slug
       
   959 				),
       
   960 				'value' => $theme_version_string,
       
   961 				'debug' => $theme_version_string_debug,
       
   962 			);
       
   963 		}
       
   964 
       
   965 		// Add more filesystem checks
       
   966 		if ( defined( 'WPMU_PLUGIN_DIR' ) && is_dir( WPMU_PLUGIN_DIR ) ) {
       
   967 			$is_writable_wpmu_plugin_dir = wp_is_writable( WPMU_PLUGIN_DIR );
       
   968 
       
   969 			$info['wp-filesystem']['fields']['mu-plugins'] = array(
       
   970 				'label' => __( 'The must use plugins directory' ),
       
   971 				'value' => ( $is_writable_wpmu_plugin_dir ? __( 'Writable' ) : __( 'Not writable' ) ),
       
   972 				'debug' => ( $is_writable_wpmu_plugin_dir ? 'writable' : 'not writable' ),
       
   973 			);
       
   974 		}
       
   975 
       
   976 		/**
       
   977 		 * Add or modify the debug information.
       
   978 		 *
       
   979 		 * Plugin or themes may wish to introduce their own debug information without creating additional admin pages
       
   980 		 * they can utilize this filter to introduce their own sections or add more data to existing sections.
       
   981 		 *
       
   982 		 * Array keys for sections added by core are all prefixed with `wp-`, plugins and themes should use their own slug as
       
   983 		 * a prefix, both for consistency as well as avoiding key collisions. Note that the array keys are used as labels
       
   984 		 * for the copied data.
       
   985 		 *
       
   986 		 * All strings are expected to be plain text except $description that can contain inline HTML tags (see below).
       
   987 		 *
       
   988 		 * @since 5.2.0
       
   989 		 *
       
   990 		 * @param array $args {
       
   991 		 *     The debug information to be added to the core information page.
       
   992 		 *
       
   993 		 *     This is an associative multi-dimensional array, up to three levels deep. The topmost array holds the sections.
       
   994 		 *     Each section has a `$fields` associative array (see below), and each `$value` in `$fields` can be
       
   995 		 *     another associative array of name/value pairs when there is more structured data to display.
       
   996 		 *
       
   997 		 *     @type string  $label        The title for this section of the debug output.
       
   998 		 *     @type string  $description  Optional. A description for your information section which may contain basic HTML
       
   999 		 *                                 markup, inline tags only as it is outputted in a paragraph.
       
  1000 		 *     @type boolean $show_count   Optional. If set to `true` the amount of fields will be included in the title for
       
  1001 		 *                                 this section.
       
  1002 		 *     @type boolean $private      Optional. If set to `true` the section and all associated fields will be excluded
       
  1003 		 *                                 from the copied data.
       
  1004 		 *     @type array   $fields {
       
  1005 		 *         An associative array containing the data to be displayed.
       
  1006 		 *
       
  1007 		 *         @type string  $label    The label for this piece of information.
       
  1008 		 *         @type string  $value    The output that is displayed for this field. Text should be translated. Can be
       
  1009 		 *                                 an associative array that is displayed as name/value pairs.
       
  1010 		 *         @type string  $debug    Optional. The output that is used for this field when the user copies the data.
       
  1011 		 *                                 It should be more concise and not translated. If not set, the content of `$value` is used.
       
  1012 		 *                                 Note that the array keys are used as labels for the copied data.
       
  1013 		 *         @type boolean $private  Optional. If set to `true` the field will not be included in the copied data
       
  1014 		 *                                 allowing you to show, for example, API keys here.
       
  1015 		 *     }
       
  1016 		 * }
       
  1017 		 */
       
  1018 		$info = apply_filters( 'debug_information', $info );
       
  1019 
       
  1020 		return $info;
       
  1021 	}
       
  1022 
       
  1023 	/**
       
  1024 	 * Format the information gathered for debugging, in a manner suitable for copying to a forum or support ticket.
       
  1025 	 *
       
  1026 	 * @since 5.2.0
       
  1027 	 *
       
  1028 	 * @param array $info_array Information gathered from the `WP_Debug_Data::debug_data` function.
       
  1029 	 * @param string $type      The data type to return, either 'info' or 'debug'.
       
  1030 	 * @return string The formatted data.
       
  1031 	 */
       
  1032 	public static function format( $info_array, $type ) {
       
  1033 		$return = "`\n";
       
  1034 
       
  1035 		foreach ( $info_array as $section => $details ) {
       
  1036 			// Skip this section if there are no fields, or the section has been declared as private.
       
  1037 			if ( empty( $details['fields'] ) || ( isset( $details['private'] ) && $details['private'] ) ) {
       
  1038 				continue;
       
  1039 			}
       
  1040 
       
  1041 			$section_label = 'debug' === $type ? $section : $details['label'];
       
  1042 
       
  1043 			$return .= sprintf(
       
  1044 				"### %s%s ###\n\n",
       
  1045 				$section_label,
       
  1046 				( isset( $details['show_count'] ) && $details['show_count'] ? sprintf( ' (%d)', count( $details['fields'] ) ) : '' )
       
  1047 			);
       
  1048 
       
  1049 			foreach ( $details['fields'] as $field_name => $field ) {
       
  1050 				if ( isset( $field['private'] ) && true === $field['private'] ) {
       
  1051 					continue;
       
  1052 				}
       
  1053 
       
  1054 				if ( 'debug' === $type && isset( $field['debug'] ) ) {
       
  1055 					$debug_data = $field['debug'];
       
  1056 				} else {
       
  1057 					$debug_data = $field['value'];
       
  1058 				}
       
  1059 
       
  1060 				// Can be array, one level deep only.
       
  1061 				if ( is_array( $debug_data ) ) {
       
  1062 					$value = '';
       
  1063 
       
  1064 					foreach ( $debug_data as $sub_field_name => $sub_field_value ) {
       
  1065 						$value .= sprintf( "\n\t%s: %s", $sub_field_name, $sub_field_value );
       
  1066 					}
       
  1067 				} elseif ( is_bool( $debug_data ) ) {
       
  1068 					$value = $debug_data ? 'true' : 'false';
       
  1069 				} elseif ( empty( $debug_data ) && '0' !== $debug_data ) {
       
  1070 					$value = 'undefined';
       
  1071 				} else {
       
  1072 					$value = $debug_data;
       
  1073 				}
       
  1074 
       
  1075 				if ( 'debug' === $type ) {
       
  1076 					$label = $field_name;
       
  1077 				} else {
       
  1078 					$label = $field['label'];
       
  1079 				}
       
  1080 
       
  1081 				$return .= sprintf( "%s: %s\n", $label, $value );
       
  1082 			}
       
  1083 
       
  1084 			$return .= "\n";
       
  1085 		}
       
  1086 
       
  1087 		$return .= '`';
       
  1088 
       
  1089 		return $return;
       
  1090 	}
       
  1091 
       
  1092 	/**
       
  1093 	 * Fetch the total size of all the database tables for the active database user.
       
  1094 	 *
       
  1095 	 * @since 5.2.0
       
  1096 	 *
       
  1097 	 * @return int The size of the database, in bytes.
       
  1098 	 */
       
  1099 	public static function get_database_size() {
       
  1100 		global $wpdb;
       
  1101 		$size = 0;
       
  1102 		$rows = $wpdb->get_results( 'SHOW TABLE STATUS', ARRAY_A );
       
  1103 
       
  1104 		if ( $wpdb->num_rows > 0 ) {
       
  1105 			foreach ( $rows as $row ) {
       
  1106 				$size += $row['Data_length'] + $row['Index_length'];
       
  1107 			}
       
  1108 		}
       
  1109 
       
  1110 		return (int) $size;
       
  1111 	}
       
  1112 
       
  1113 	/**
       
  1114 	 * Fetch the sizes of the WordPress directories: `wordpress` (ABSPATH), `plugins`, `themes`, and `uploads`.
       
  1115 	 * Intended to supplement the array returned by `WP_Debug_Data::debug_data()`.
       
  1116 	 *
       
  1117 	 * @since 5.2.0
       
  1118 	 *
       
  1119 	 * @return array The sizes of the directories, also the database size and total installation size.
       
  1120 	 */
       
  1121 	public static function get_sizes() {
       
  1122 		$size_db    = self::get_database_size();
       
  1123 		$upload_dir = wp_get_upload_dir();
       
  1124 
       
  1125 		/*
       
  1126 		 * We will be using the PHP max execution time to prevent the size calculations
       
  1127 		 * from causing a timeout. The default value is 30 seconds, and some
       
  1128 		 * hosts do not allow you to read configuration values.
       
  1129 		 */
       
  1130 		if ( function_exists( 'ini_get' ) ) {
       
  1131 			$max_execution_time = ini_get( 'max_execution_time' );
       
  1132 		}
       
  1133 
       
  1134 		// The max_execution_time defaults to 0 when PHP runs from cli.
       
  1135 		// We still want to limit it below.
       
  1136 		if ( empty( $max_execution_time ) ) {
       
  1137 			$max_execution_time = 30;
       
  1138 		}
       
  1139 
       
  1140 		if ( $max_execution_time > 20 ) {
       
  1141 			// If the max_execution_time is set to lower than 20 seconds, reduce it a bit to prevent
       
  1142 			// edge-case timeouts that may happen after the size loop has finished running.
       
  1143 			$max_execution_time -= 2;
       
  1144 		}
       
  1145 
       
  1146 		// Go through the various installation directories and calculate their sizes.
       
  1147 		// No trailing slashes.
       
  1148 		$paths = array(
       
  1149 			'wordpress_size' => untrailingslashit( ABSPATH ),
       
  1150 			'themes_size'    => get_theme_root(),
       
  1151 			'plugins_size'   => WP_PLUGIN_DIR,
       
  1152 			'uploads_size'   => $upload_dir['basedir'],
       
  1153 		);
       
  1154 
       
  1155 		$exclude = $paths;
       
  1156 		unset( $exclude['wordpress_size'] );
       
  1157 		$exclude = array_values( $exclude );
       
  1158 
       
  1159 		$size_total = 0;
       
  1160 		$all_sizes  = array();
       
  1161 
       
  1162 		// Loop over all the directories we want to gather the sizes for.
       
  1163 		foreach ( $paths as $name => $path ) {
       
  1164 			$dir_size = null; // Default to timeout.
       
  1165 			$results  = array(
       
  1166 				'path' => $path,
       
  1167 				'raw'  => 0,
       
  1168 			);
       
  1169 
       
  1170 			if ( microtime( true ) - WP_START_TIMESTAMP < $max_execution_time ) {
       
  1171 				if ( 'wordpress_size' === $name ) {
       
  1172 					$dir_size = recurse_dirsize( $path, $exclude, $max_execution_time );
       
  1173 				} else {
       
  1174 					$dir_size = recurse_dirsize( $path, null, $max_execution_time );
       
  1175 				}
       
  1176 			}
       
  1177 
       
  1178 			if ( false === $dir_size ) {
       
  1179 				// Error reading.
       
  1180 				$results['size']  = __( 'The size cannot be calculated. The directory is not accessible. Usually caused by invalid permissions.' );
       
  1181 				$results['debug'] = 'not accessible';
       
  1182 
       
  1183 				// Stop total size calculation.
       
  1184 				$size_total = null;
       
  1185 			} elseif ( null === $dir_size ) {
       
  1186 				// Timeout.
       
  1187 				$results['size']  = __( 'The directory size calculation has timed out. Usually caused by a very large number of sub-directories and files.' );
       
  1188 				$results['debug'] = 'timeout while calculating size';
       
  1189 
       
  1190 				// Stop total size calculation.
       
  1191 				$size_total = null;
       
  1192 			} else {
       
  1193 				if ( null !== $size_total ) {
       
  1194 					$size_total += $dir_size;
       
  1195 				}
       
  1196 
       
  1197 				$results['raw']   = $dir_size;
       
  1198 				$results['size']  = size_format( $dir_size, 2 );
       
  1199 				$results['debug'] = $results['size'] . " ({$dir_size} bytes)";
       
  1200 			}
       
  1201 
       
  1202 			$all_sizes[ $name ] = $results;
       
  1203 		}
       
  1204 
       
  1205 		if ( $size_db > 0 ) {
       
  1206 			$database_size = size_format( $size_db, 2 );
       
  1207 
       
  1208 			$all_sizes['database_size'] = array(
       
  1209 				'raw'   => $size_db,
       
  1210 				'size'  => $database_size,
       
  1211 				'debug' => $database_size . " ({$size_db} bytes)",
       
  1212 			);
       
  1213 		} else {
       
  1214 			$all_sizes['database_size'] = array(
       
  1215 				'size'  => __( 'Not available' ),
       
  1216 				'debug' => 'not available',
       
  1217 			);
       
  1218 		}
       
  1219 
       
  1220 		if ( null !== $size_total && $size_db > 0 ) {
       
  1221 			$total_size    = $size_total + $size_db;
       
  1222 			$total_size_mb = size_format( $total_size, 2 );
       
  1223 
       
  1224 			$all_sizes['total_size'] = array(
       
  1225 				'raw'   => $total_size,
       
  1226 				'size'  => $total_size_mb,
       
  1227 				'debug' => $total_size_mb . " ({$total_size} bytes)",
       
  1228 			);
       
  1229 		} else {
       
  1230 			$all_sizes['total_size'] = array(
       
  1231 				'size'  => __( 'Total size is not available. Some errors were encountered when determining the size of your installation.' ),
       
  1232 				'debug' => 'not available',
       
  1233 			);
       
  1234 		}
       
  1235 
       
  1236 		return $all_sizes;
       
  1237 	}
       
  1238 }