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<?php
/**
* Class for providing debug data based on a users WordPress environment.
*
* @package Health Check
*/
// Make sure the file is not directly accessible.
if ( ! defined( 'ABSPATH' ) ) {
die( 'We\'re sorry, but you can not directly access this file.' );
}
/**
* Class Health_Check_Debug_Data
*/
class Health_Check_Debug_Data {
/**
* Calls all core functions to check for updates
*
* @uses wp_version_check()
* @uses wp_update_plugins()
* @uses wp_update_themes()
*
* @return void
*/
static function check_for_updates() {
wp_version_check();
wp_update_plugins();
wp_update_themes();
}
/**
* Static function for generating site debug data when required.
*
* @since 5.2.0
*
* @throws ImagickException
* @global wpdb $wpdb WordPress database abstraction object.
*
* @return array The debug data for the site.
*/
static function debug_data() {
global $wpdb, $is_apache;
// Save few function calls.
$upload_dir = wp_get_upload_dir();
$permalink_structure = get_option( 'permalink_structure' );
$is_ssl = is_ssl();
$users_can_register = get_option( 'users_can_register' );
$default_comment_status = get_option( 'default_comment_status' );
$is_multisite = is_multisite();
$core_version = get_bloginfo( 'version' );
$core_updates = get_core_updates();
$core_update_needed = '';
foreach ( $core_updates as $core => $update ) {
if ( 'upgrade' === $update->response ) {
// translators: %s: Latest WordPress version number.
$core_update_needed = ' ' . sprintf( __( '(Latest version: %s)', 'health-check' ), $update->version );
} else {
$core_update_needed = '';
}
}
// Set up the array that holds all debug information.
$info = array();
$info['wp-core'] = array(
'label' => __( 'WordPress', 'health-check' ),
'fields' => array(
'version' => array(
'label' => __( 'Version', 'health-check' ),
'value' => $core_version . $core_update_needed,
'debug' => $core_version,
),
'site_language' => array(
'label' => __( 'Site Language', 'health-check' ),
'value' => get_locale(),
),
'user_language' => array(
'label' => __( 'User Language', 'health-check' ),
'value' => get_user_locale(),
),
'home_url' => array(
'label' => __( 'Home URL', 'health-check' ),
'value' => get_bloginfo( 'url' ),
'private' => true,
),
'site_url' => array(
'label' => __( 'Site URL', 'health-check' ),
'value' => get_bloginfo( 'wpurl' ),
'private' => true,
),
'permalink' => array(
'label' => __( 'Permalink structure', 'health-check' ),
'value' => $permalink_structure ? $permalink_structure : __( 'No permalink structure set', 'health-check' ),
'debug' => $permalink_structure,
),
'https_status' => array(
'label' => __( 'Is this site using HTTPS?', 'health-check' ),
'value' => $is_ssl ? __( 'Yes', 'health-check' ) : __( 'No', 'health-check' ),
'debug' => $is_ssl,
),
'user_registration' => array(
'label' => __( 'Can anyone register on this site?', 'health-check' ),
'value' => $users_can_register ? __( 'Yes', 'health-check' ) : __( 'No', 'health-check' ),
'debug' => $users_can_register,
),
'default_comment_status' => array(
'label' => __( 'Default comment status', 'health-check' ),
'value' => 'open' === $default_comment_status ? _x( 'Open', 'comment status', 'health-check' ) : _x( 'Closed', 'comment status', 'health-check' ),
'debug' => $default_comment_status,
),
'multisite' => array(
'label' => __( 'Is this a multisite?', 'health-check' ),
'value' => $is_multisite ? __( 'Yes', 'health-check' ) : __( 'No', 'health-check' ),
'debug' => $is_multisite,
),
),
);
if ( ! $is_multisite ) {
$info['wp-paths-sizes'] = array(
'label' => __( 'Directories and Sizes', 'health-check' ),
'fields' => array(),
);
}
$info['wp-dropins'] = array(
'label' => __( 'Drop-ins', 'health-check' ),
'show_count' => true,
'description' => __( 'Drop-ins are single files that replace or enhance WordPress features in ways that are not possible for traditional plugins.', 'health-check' ),
'fields' => array(),
);
$info['wp-active-theme'] = array(
'label' => __( 'Active Theme', 'health-check' ),
'fields' => array(),
);
$info['wp-parent-theme'] = array(
'label' => __( 'Parent Theme', 'health-check' ),
'fields' => array(),
);
$info['wp-themes-inactive'] = array(
'label' => __( 'Inactive Themes', 'health-check' ),
'show_count' => true,
'fields' => array(),
);
$info['wp-mu-plugins'] = array(
'label' => __( 'Must Use Plugins', 'health-check' ),
'show_count' => true,
'fields' => array(),
);
$info['wp-plugins-active'] = array(
'label' => __( 'Active Plugins', 'health-check' ),
'show_count' => true,
'fields' => array(),
);
$info['wp-plugins-inactive'] = array(
'label' => __( 'Inactive Plugins', 'health-check' ),
'show_count' => true,
'fields' => array(),
);
$info['wp-media'] = array(
'label' => __( 'Media Handling', 'health-check' ),
'fields' => array(),
);
$info['wp-server'] = array(
'label' => __( 'Server', 'health-check' ),
'description' => __( 'The options shown below relate to your server setup. If changes are required, you may need your web host’s assistance.', 'health-check' ),
'fields' => array(),
);
$info['wp-database'] = array(
'label' => __( 'Database', 'health-check' ),
'fields' => array(),
);
// Check if WP_DEBUG_LOG is set.
$wp_debug_log_value = __( 'Disabled', 'health-check' );
if ( is_string( WP_DEBUG_LOG ) ) {
$wp_debug_log_value = WP_DEBUG_LOG;
} elseif ( WP_DEBUG_LOG ) {
$wp_debug_log_value = __( 'Enabled', 'health-check' );
}
// Check CONCATENATE_SCRIPTS.
if ( defined( 'CONCATENATE_SCRIPTS' ) ) {
$concatenate_scripts = CONCATENATE_SCRIPTS ? __( 'Enabled', 'health-check' ) : __( 'Disabled', 'health-check' );
$concatenate_scripts_debug = CONCATENATE_SCRIPTS ? 'true' : 'false';
} else {
$concatenate_scripts = __( 'Undefined', 'health-check' );
$concatenate_scripts_debug = 'undefined';
}
// Check COMPRESS_SCRIPTS.
if ( defined( 'COMPRESS_SCRIPTS' ) ) {
$compress_scripts = COMPRESS_SCRIPTS ? __( 'Enabled', 'health-check' ) : __( 'Disabled', 'health-check' );
$compress_scripts_debug = COMPRESS_SCRIPTS ? 'true' : 'false';
} else {
$compress_scripts = __( 'Undefined', 'health-check' );
$compress_scripts_debug = 'undefined';
}
// Check COMPRESS_CSS.
if ( defined( 'COMPRESS_CSS' ) ) {
$compress_css = COMPRESS_CSS ? __( 'Enabled', 'health-check' ) : __( 'Disabled', 'health-check' );
$compress_css_debug = COMPRESS_CSS ? 'true' : 'false';
} else {
$compress_css = __( 'Undefined', 'health-check' );
$compress_css_debug = 'undefined';
}
// Check WP_LOCAL_DEV.
if ( defined( 'WP_LOCAL_DEV' ) ) {
$wp_local_dev = WP_LOCAL_DEV ? __( 'Enabled', 'health-check' ) : __( 'Disabled', 'health-check' );
$wp_local_dev_debug = WP_LOCAL_DEV ? 'true' : 'false';
} else {
$wp_local_dev = __( 'Undefined', 'health-check' );
$wp_local_dev_debug = 'undefined';
}
$info['wp-constants'] = array(
'label' => __( 'WordPress Constants', 'health-check' ),
'description' => __( 'These settings alter where and how parts of WordPress are loaded.', 'health-check' ),
'fields' => array(
'ABSPATH' => array(
'label' => 'ABSPATH',
'value' => ABSPATH,
'private' => true,
),
'WP_HOME' => array(
'label' => 'WP_HOME',
'value' => ( defined( 'WP_HOME' ) ? WP_HOME : __( 'Undefined', 'health-check' ) ),
'debug' => ( defined( 'WP_HOME' ) ? WP_HOME : 'undefined' ),
),
'WP_SITEURL' => array(
'label' => 'WP_SITEURL',
'value' => ( defined( 'WP_SITEURL' ) ? WP_SITEURL : __( 'Undefined', 'health-check' ) ),
'debug' => ( defined( 'WP_SITEURL' ) ? WP_SITEURL : 'undefined' ),
),
'WP_CONTENT_DIR' => array(
'label' => 'WP_CONTENT_DIR',
'value' => WP_CONTENT_DIR,
),
'WP_PLUGIN_DIR' => array(
'label' => 'WP_PLUGIN_DIR',
'value' => WP_PLUGIN_DIR,
),
'WP_MAX_MEMORY_LIMIT' => array(
'label' => 'WP_MAX_MEMORY_LIMIT',
'value' => WP_MAX_MEMORY_LIMIT,
),
'WP_DEBUG' => array(
'label' => 'WP_DEBUG',
'value' => WP_DEBUG ? __( 'Enabled', 'health-check' ) : __( 'Disabled', 'health-check' ),
'debug' => WP_DEBUG,
),
'WP_DEBUG_DISPLAY' => array(
'label' => 'WP_DEBUG_DISPLAY',
'value' => WP_DEBUG_DISPLAY ? __( 'Enabled', 'health-check' ) : __( 'Disabled', 'health-check' ),
'debug' => WP_DEBUG_DISPLAY,
),
'WP_DEBUG_LOG' => array(
'label' => 'WP_DEBUG_LOG',
'value' => $wp_debug_log_value,
'debug' => WP_DEBUG_LOG,
),
'SCRIPT_DEBUG' => array(
'label' => 'SCRIPT_DEBUG',
'value' => SCRIPT_DEBUG ? __( 'Enabled', 'health-check' ) : __( 'Disabled', 'health-check' ),
'debug' => SCRIPT_DEBUG,
),
'WP_CACHE' => array(
'label' => 'WP_CACHE',
'value' => WP_CACHE ? __( 'Enabled', 'health-check' ) : __( 'Disabled', 'health-check' ),
'debug' => WP_CACHE,
),
'CONCATENATE_SCRIPTS' => array(
'label' => 'CONCATENATE_SCRIPTS',
'value' => $concatenate_scripts,
'debug' => $concatenate_scripts_debug,
),
'COMPRESS_SCRIPTS' => array(
'label' => 'COMPRESS_SCRIPTS',
'value' => $compress_scripts,
'debug' => $compress_scripts_debug,
),
'COMPRESS_CSS' => array(
'label' => 'COMPRESS_CSS',
'value' => $compress_css,
'debug' => $compress_css_debug,
),
'WP_LOCAL_DEV' => array(
'label' => 'WP_LOCAL_DEV',
'value' => $wp_local_dev,
'debug' => $wp_local_dev_debug,
),
),
);
$is_writable_abspath = wp_is_writable( ABSPATH );
$is_writable_wp_content_dir = wp_is_writable( WP_CONTENT_DIR );
$is_writable_upload_dir = wp_is_writable( $upload_dir['basedir'] );
$is_writable_wp_plugin_dir = wp_is_writable( WP_PLUGIN_DIR );
$is_writable_template_directory = wp_is_writable( get_template_directory() . '/..' );
$info['wp-filesystem'] = array(
'label' => __( 'Filesystem Permissions', 'health-check' ),
'description' => __( 'Shows whether WordPress is able to write to the directories it needs access to.', 'health-check' ),
'fields' => array(
'wordpress' => array(
'label' => __( 'The main WordPress directory', 'health-check' ),
'value' => ( $is_writable_abspath ? __( 'Writable', 'health-check' ) : __( 'Not writable', 'health-check' ) ),
'debug' => ( $is_writable_abspath ? 'writable' : 'not writable' ),
),
'wp-content' => array(
'label' => __( 'The wp-content directory', 'health-check' ),
'value' => ( $is_writable_wp_content_dir ? __( 'Writable', 'health-check' ) : __( 'Not writable', 'health-check' ) ),
'debug' => ( $is_writable_wp_content_dir ? 'writable' : 'not writable' ),
),
'uploads' => array(
'label' => __( 'The uploads directory', 'health-check' ),
'value' => ( $is_writable_upload_dir ? __( 'Writable', 'health-check' ) : __( 'Not writable', 'health-check' ) ),
'debug' => ( $is_writable_upload_dir ? 'writable' : 'not writable' ),
),
'plugins' => array(
'label' => __( 'The plugins directory', 'health-check' ),
'value' => ( $is_writable_wp_plugin_dir ? __( 'Writable', 'health-check' ) : __( 'Not writable', 'health-check' ) ),
'debug' => ( $is_writable_wp_plugin_dir ? 'writable' : 'not writable' ),
),
'themes' => array(
'label' => __( 'The themes directory', 'health-check' ),
'value' => ( $is_writable_template_directory ? __( 'Writable', 'health-check' ) : __( 'Not writable', 'health-check' ) ),
'debug' => ( $is_writable_template_directory ? 'writable' : 'not writable' ),
),
),
);
// Conditionally add debug information for multisite setups.
if ( is_multisite() ) {
$network_query = new WP_Network_Query();
$network_ids = $network_query->query(
array(
'fields' => 'ids',
'number' => 100,
'no_found_rows' => false,
)
);
$site_count = 0;
foreach ( $network_ids as $network_id ) {
$site_count += get_blog_count( $network_id );
}
$info['wp-core']['fields']['user_count'] = array(
'label' => __( 'User count', 'health-check' ),
'value' => get_user_count(),
);
$info['wp-core']['fields']['site_count'] = array(
'label' => __( 'Site count', 'health-check' ),
'value' => $site_count,
);
$info['wp-core']['fields']['network_count'] = array(
'label' => __( 'Network count', 'health-check' ),
'value' => $network_query->found_networks,
);
} else {
$user_count = count_users();
$info['wp-core']['fields']['user_count'] = array(
'label' => __( 'User count', 'health-check' ),
'value' => $user_count['total_users'],
);
}
// WordPress features requiring processing.
$wp_dotorg = wp_remote_get( 'https://api.wordpress.org', array( 'timeout' => 10 ) );
if ( ! is_wp_error( $wp_dotorg ) ) {
$info['wp-core']['fields']['dotorg_communication'] = array(
'label' => __( 'Communication with WordPress.org', 'health-check' ),
'value' => __( 'WordPress.org is reachable', 'health-check' ),
'debug' => 'true',
);
} else {
$info['wp-core']['fields']['dotorg_communication'] = array(
'label' => __( 'Communication with WordPress.org', 'health-check' ),
'value' => sprintf(
// translators: 1: The IP address WordPress.org resolves to. 2: The error returned by the lookup.
__( 'Unable to reach WordPress.org at %1$s: %2$s', 'health-check' ),
gethostbyname( 'api.wordpress.org' ),
$wp_dotorg->get_error_message()
),
'debug' => $wp_dotorg->get_error_message(),
);
}
// Remove accordion for Directories and Sizes if in Multisite.
if ( ! $is_multisite ) {
$loading = __( 'Loading…', 'health-check' );
$info['wp-paths-sizes']['fields'] = array(
'wordpress_path' => array(
'label' => __( 'WordPress directory location', 'health-check' ),
'value' => untrailingslashit( ABSPATH ),
),
'wordpress_size' => array(
'label' => __( 'WordPress directory size', 'health-check' ),
'value' => $loading,
'debug' => 'loading...',
),
'uploads_path' => array(
'label' => __( 'Uploads directory location', 'health-check' ),
'value' => $upload_dir['basedir'],
),
'uploads_size' => array(
'label' => __( 'Uploads directory size', 'health-check' ),
'value' => $loading,
'debug' => 'loading...',
),
'themes_path' => array(
'label' => __( 'Themes directory location', 'health-check' ),
'value' => get_theme_root(),
),
'themes_size' => array(
'label' => __( 'Themes directory size', 'health-check' ),
'value' => $loading,
'debug' => 'loading...',
),
'plugins_path' => array(
'label' => __( 'Plugins directory location', 'health-check' ),
'value' => WP_PLUGIN_DIR,
),
'plugins_size' => array(
'label' => __( 'Plugins directory size', 'health-check' ),
'value' => $loading,
'debug' => 'loading...',
),
'database_size' => array(
'label' => __( 'Database size', 'health-check' ),
'value' => $loading,
'debug' => 'loading...',
),
'total_size' => array(
'label' => __( 'Total installation size', 'health-check' ),
'value' => $loading,
'debug' => 'loading...',
),
);
}
// Get a list of all drop-in replacements.
$dropins = get_dropins();
// Get dropins descriptions.
$dropin_descriptions = _get_dropins();
// Spare few function calls.
$not_available = __( 'Not available', 'health-check' );
foreach ( $dropins as $dropin_key => $dropin ) {
$info['wp-dropins']['fields'][ sanitize_text_field( $dropin_key ) ] = array(
'label' => $dropin_key,
'value' => $dropin_descriptions[ $dropin_key ][0],
'debug' => 'true',
);
}
// Populate the media fields.
$info['wp-media']['fields']['image_editor'] = array(
'label' => __( 'Active editor', 'health-check' ),
'value' => _wp_image_editor_choose(),
);
// Get ImageMagic information, if available.
if ( class_exists( 'Imagick' ) ) {
// Save the Imagick instance for later use.
$imagick = new Imagick();
$imagick_version = $imagick->getVersion();
} else {
$imagick_version = __( 'Not available', 'health-check' );
}
$info['wp-media']['fields']['imagick_module_version'] = array(
'label' => __( 'ImageMagick version number', 'health-check' ),
'value' => ( is_array( $imagick_version ) ? $imagick_version['versionNumber'] : $imagick_version ),
);
$info['wp-media']['fields']['imagemagick_version'] = array(
'label' => __( 'ImageMagick version string', 'health-check' ),
'value' => ( is_array( $imagick_version ) ? $imagick_version['versionString'] : $imagick_version ),
);
// If Imagick is used as our editor, provide some more information about its limitations.
if ( 'WP_Image_Editor_Imagick' === _wp_image_editor_choose() && isset( $imagick ) && $imagick instanceof Imagick ) {
$limits = array(
'area' => ( defined( 'imagick::RESOURCETYPE_AREA' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_AREA ) ) : $not_available ),
'disk' => ( defined( 'imagick::RESOURCETYPE_DISK' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_DISK ) : $not_available ),
'file' => ( defined( 'imagick::RESOURCETYPE_FILE' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_FILE ) : $not_available ),
'map' => ( defined( 'imagick::RESOURCETYPE_MAP' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MAP ) ) : $not_available ),
'memory' => ( defined( 'imagick::RESOURCETYPE_MEMORY' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MEMORY ) ) : $not_available ),
'thread' => ( defined( 'imagick::RESOURCETYPE_THREAD' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_THREAD ) : $not_available ),
);
$limits_debug = array(
'imagick::RESOURCETYPE_AREA' => ( defined( 'imagick::RESOURCETYPE_AREA' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_AREA ) ) : 'not available' ),
'imagick::RESOURCETYPE_DISK' => ( defined( 'imagick::RESOURCETYPE_DISK' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_DISK ) : 'not available' ),
'imagick::RESOURCETYPE_FILE' => ( defined( 'imagick::RESOURCETYPE_FILE' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_FILE ) : 'not available' ),
'imagick::RESOURCETYPE_MAP' => ( defined( 'imagick::RESOURCETYPE_MAP' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MAP ) ) : 'not available' ),
'imagick::RESOURCETYPE_MEMORY' => ( defined( 'imagick::RESOURCETYPE_MEMORY' ) ? size_format( $imagick->getResourceLimit( imagick::RESOURCETYPE_MEMORY ) ) : 'not available' ),
'imagick::RESOURCETYPE_THREAD' => ( defined( 'imagick::RESOURCETYPE_THREAD' ) ? $imagick->getResourceLimit( imagick::RESOURCETYPE_THREAD ) : 'not available' ),
);
$info['wp-media']['fields']['imagick_limits'] = array(
'label' => __( 'Imagick Resource Limits', 'health-check' ),
'value' => $limits,
'debug' => $limits_debug,
);
}
// Get GD information, if available.
if ( function_exists( 'gd_info' ) ) {
$gd = gd_info();
} else {
$gd = false;
}
$info['wp-media']['fields']['gd_version'] = array(
'label' => __( 'GD version', 'health-check' ),
'value' => ( is_array( $gd ) ? $gd['GD Version'] : $not_available ),
'debug' => ( is_array( $gd ) ? $gd['GD Version'] : 'not available' ),
);
// Get Ghostscript information, if available.
if ( function_exists( 'exec' ) ) {
$gs = exec( 'gs --version' );
if ( empty( $gs ) ) {
$gs = $not_available;
$gs_debug = 'not available';
} else {
$gs_debug = $gs;
}
} else {
$gs = __( 'Unable to determine if Ghostscript is installed', 'health-check' );
$gs_debug = 'unknown';
}
$info['wp-media']['fields']['ghostscript_version'] = array(
'label' => __( 'Ghostscript version', 'health-check' ),
'value' => $gs,
'debug' => $gs_debug,
);
// Populate the server debug fields.
if ( function_exists( 'php_uname' ) ) {
$server_architecture = sprintf( '%s %s %s', php_uname( 's' ), php_uname( 'r' ), php_uname( 'm' ) );
} else {
$server_architecture = 'unknown';
}
if ( function_exists( 'phpversion' ) ) {
$php_version_debug = phpversion();
// Whether PHP supports 64bit
$php64bit = ( PHP_INT_SIZE * 8 === 64 );
$php_version = sprintf(
'%s %s',
$php_version_debug,
( $php64bit ? __( '(Supports 64bit values)', 'health-check' ) : __( '(Does not support 64bit values)', 'health-check' ) )
);
if ( $php64bit ) {
$php_version_debug .= ' 64bit';
}
} else {
$php_version = __( 'Unable to determine PHP version', 'health-check' );
$php_version_debug = 'unknown';
}
if ( function_exists( 'php_sapi_name' ) ) {
$php_sapi = php_sapi_name();
} else {
$php_sapi = 'unknown';
}
if ( function_exists( 'get_current_user' ) && function_exists( 'getmyuid' ) ) {
$php_getuid = sprintf(
'%s (%s)',
get_current_user(),
getmyuid()
);
} else {
$php_getuid = 'unknown';
}
$info['wp-server']['fields']['server_architecture'] = array(
'label' => __( 'Server architecture', 'health-check' ),
'value' => ( 'unknown' !== $server_architecture ? $server_architecture : __( 'Unable to determine server architecture', 'health-check' ) ),
'debug' => $server_architecture,
);
$info['wp-server']['fields']['php-uid'] = array(
'label' => __( 'Website server user', 'health-check' ),
'value' => ( 'unknown' !== $php_getuid ? $php_getuid : __( 'Unable to determine the websites server user', 'health-check' ) ),
'debug' => $php_getuid,
'private' => true,
);
$info['wp-server']['fields']['httpd_software'] = array(
'label' => __( 'Web server', 'health-check' ),
'value' => ( isset( $_SERVER['SERVER_SOFTWARE'] ) ? $_SERVER['SERVER_SOFTWARE'] : __( 'Unable to determine what web server software is used', 'health-check' ) ),
'debug' => ( isset( $_SERVER['SERVER_SOFTWARE'] ) ? $_SERVER['SERVER_SOFTWARE'] : 'unknown' ),
);
$info['wp-server']['fields']['php_version'] = array(
'label' => __( 'PHP version', 'health-check' ),
'value' => $php_version,
'debug' => $php_version_debug,
);
$info['wp-server']['fields']['php_sapi'] = array(
'label' => __( 'PHP SAPI', 'health-check' ),
'value' => ( 'unknown' !== $php_sapi ? $php_sapi : __( 'Unable to determine PHP SAPI', 'health-check' ) ),
'debug' => $php_sapi,
);
// Some servers disable `ini_set()` and `ini_get()`, we check this before trying to get configuration values.
if ( ! function_exists( 'ini_get' ) ) {
$info['wp-server']['fields']['ini_get'] = array(
'label' => __( 'Server settings', 'health-check' ),
'value' => __( 'Unable to determine some settings, as the ini_get() function has been disabled.', 'health-check' ),
'debug' => 'ini_get() is disabled',
);
} else {
$info['wp-server']['fields']['max_input_variables'] = array(
'label' => __( 'PHP max input variables', 'health-check' ),
'value' => ini_get( 'max_input_vars' ),
);
$info['wp-server']['fields']['time_limit'] = array(
'label' => __( 'PHP time limit', 'health-check' ),
'value' => ini_get( 'max_execution_time' ),
);
$info['wp-server']['fields']['memory_limit'] = array(
'label' => __( 'PHP memory limit', 'health-check' ),
'value' => ini_get( 'memory_limit' ),
);
$info['wp-server']['fields']['max_input_time'] = array(
'label' => __( 'Max input time', 'health-check' ),
'value' => ini_get( 'max_input_time' ),
);
$info['wp-server']['fields']['upload_max_size'] = array(
'label' => __( 'Upload max filesize', 'health-check' ),
'value' => ini_get( 'upload_max_filesize' ),
);
$info['wp-server']['fields']['php_post_max_size'] = array(
'label' => __( 'PHP post max size', 'health-check' ),
'value' => ini_get( 'post_max_size' ),
);
}
if ( function_exists( 'curl_version' ) ) {
$curl = curl_version();
$info['wp-server']['fields']['curl_version'] = array(
'label' => __( 'cURL version', 'health-check' ),
'value' => sprintf( '%s %s', $curl['version'], $curl['ssl_version'] ),
);
} else {
$info['wp-server']['fields']['curl_version'] = array(
'label' => __( 'cURL version', 'health-check' ),
'value' => $not_available,
'debug' => 'not available',
);
}
// SUHOSIN
$suhosin_loaded = ( extension_loaded( 'suhosin' ) || ( defined( 'SUHOSIN_PATCH' ) && constant( 'SUHOSIN_PATCH' ) ) );
$info['wp-server']['fields']['suhosin'] = array(
'label' => __( 'Is SUHOSIN installed?', 'health-check' ),
'value' => ( $suhosin_loaded ? __( 'Yes', 'health-check' ) : __( 'No', 'health-check' ) ),
'debug' => $suhosin_loaded,
);
// Imagick
$imagick_loaded = extension_loaded( 'imagick' );
$info['wp-server']['fields']['imagick_availability'] = array(
'label' => __( 'Is the Imagick library available?', 'health-check' ),
'value' => ( $imagick_loaded ? __( 'Yes', 'health-check' ) : __( 'No', 'health-check' ) ),
'debug' => $imagick_loaded,
);
$cookies = wp_unslash( $_COOKIE );
$timeout = 10;
$headers = array(
'Cache-Control' => 'no-cache',
'X-WP-Nonce' => wp_create_nonce( 'wp_rest' ),
);
if ( isset( $_SERVER['PHP_AUTH_USER'] ) && isset( $_SERVER['PHP_AUTH_PW'] ) ) {
$headers['Authorization'] = 'Basic ' . base64_encode( wp_unslash( $_SERVER['PHP_AUTH_USER'] ) . ':' . wp_unslash( $_SERVER['PHP_AUTH_PW'] ) );
}
$server_request = wp_remote_get( site_url(), compact( 'cookies', 'headers', 'timeout' ) );
if ( is_wp_error( $server_request ) ) {
$info['wp-server']['fields']['server-headers'] = array(
'label' => __( 'Server headers', 'health-check' ),
'value' => __( 'Could not retrieve server headers', 'health-check' ),
'debug' => 'unknown',
);
} else {
$server_headers = wp_remote_retrieve_headers( $server_request );
$info['wp-server']['fields']['server-headers'] = array(
'label' => __( 'Server headers', 'health-check' ),
'value' => ( $server_headers instanceof \Requests_Utility_CaseInsensitiveDictionary ? $server_headers->getAll() : $server_headers ),
'debug' => ( $server_headers instanceof \Requests_Utility_CaseInsensitiveDictionary ? $server_headers->getAll() : $server_headers ),
);
}
// Check if a .htaccess file exists.
if ( $is_apache && is_file( ABSPATH . '.htaccess' ) ) {
// If the file exists, grab the content of it.
$htaccess_content = file_get_contents( ABSPATH . '.htaccess' );
// Filter away the core WordPress rules.
$filtered_htaccess_content = trim( preg_replace( '/\# BEGIN WordPress[\s\S]+?# END WordPress/si', '', $htaccess_content ) );
$filtered_htaccess_content = ! empty( $filtered_htaccess_content );
$info['wp-server']['fields']['htaccess_extra_rules'] = array(
'label' => __( '.htaccess rules', 'health-check' ),
'value' => ( $filtered_htaccess_content ? __( 'Custom rules have been added to your .htaccess file.', 'health-check' ) : __( 'Your .htaccess file contains only core WordPress features.', 'health-check' ) ),
'debug' => $filtered_htaccess_content,
);
}
// Populate the database debug fields.
if ( is_resource( $wpdb->dbh ) ) {
// Old mysql extension.
$extension = 'mysql';
} elseif ( is_object( $wpdb->dbh ) ) {
// mysqli or PDO.
$extension = get_class( $wpdb->dbh );
} else {
// Unknown sql extension.
$extension = null;
}
$server = $wpdb->get_var( 'SELECT VERSION()' );
if ( isset( $wpdb->use_mysqli ) && $wpdb->use_mysqli ) {
$client_version = $wpdb->dbh->client_info;
} else {
// phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysql_get_client_info
if ( preg_match( '|[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2}|', mysql_get_client_info(), $matches ) ) {
$client_version = $matches[0];
} else {
$client_version = null;
}
}
$info['wp-database']['fields']['extension'] = array(
'label' => __( 'Extension', 'health-check' ),
'value' => $extension,
);
$info['wp-database']['fields']['server_version'] = array(
'label' => __( 'Server version', 'health-check' ),
'value' => $server,
);
$info['wp-database']['fields']['client_version'] = array(
'label' => __( 'Client version', 'health-check' ),
'value' => $client_version,
);
$info['wp-database']['fields']['database_user'] = array(
'label' => __( 'Database user', 'health-check' ),
'value' => $wpdb->dbuser,
'private' => true,
);
$info['wp-database']['fields']['database_host'] = array(
'label' => __( 'Database host', 'health-check' ),
'value' => $wpdb->dbhost,
'private' => true,
);
$info['wp-database']['fields']['database_name'] = array(
'label' => __( 'Database name', 'health-check' ),
'value' => $wpdb->dbname,
'private' => true,
);
$info['wp-database']['fields']['database_prefix'] = array(
'label' => __( 'Database prefix', 'health-check' ),
'value' => $wpdb->prefix,
'private' => true,
);
// List must use plugins if there are any.
$mu_plugins = get_mu_plugins();
foreach ( $mu_plugins as $plugin_path => $plugin ) {
$plugin_version = $plugin['Version'];
$plugin_author = $plugin['Author'];
$plugin_version_string = __( 'No version or author information is available.', 'health-check' );
$plugin_version_string_debug = 'author: (undefined), version: (undefined)';
if ( ! empty( $plugin_version ) && ! empty( $plugin_author ) ) {
// translators: 1: Plugin version number. 2: Plugin author name.
$plugin_version_string = sprintf( __( 'Version %1$s by %2$s', 'health-check' ), $plugin_version, $plugin_author );
$plugin_version_string_debug = sprintf( 'version: %s, author: %s', $plugin_version, $plugin_author );
} else {
if ( ! empty( $plugin_author ) ) {
// translators: %s: Plugin author name.
$plugin_version_string = sprintf( __( 'By %s', 'health-check' ), $plugin_author );
$plugin_version_string_debug = sprintf( 'author: %s, version: (undefined)', $plugin_author );
}
if ( ! empty( $plugin_version ) ) {
// translators: %s: Plugin version number.
$plugin_version_string = sprintf( __( 'Version %s', 'health-check' ), $plugin_version );
$plugin_version_string_debug = sprintf( 'author: (undefined), version: %s', $plugin_version );
}
}
$info['wp-mu-plugins']['fields'][ sanitize_text_field( $plugin['Name'] ) ] = array(
'label' => $plugin['Name'],
'value' => $plugin_version_string,
'debug' => $plugin_version_string_debug,
);
}
// List all available plugins.
$plugins = get_plugins();
$plugin_updates = get_plugin_updates();
foreach ( $plugins as $plugin_path => $plugin ) {
$plugin_part = ( is_plugin_active( $plugin_path ) ) ? 'wp-plugins-active' : 'wp-plugins-inactive';
$plugin_version = $plugin['Version'];
$plugin_author = $plugin['Author'];
$plugin_version_string = __( 'No version or author information is available.', 'health-check' );
$plugin_version_string_debug = 'author: (undefined), version: (undefined)';
if ( ! empty( $plugin_version ) && ! empty( $plugin_author ) ) {
// translators: 1: Plugin version number. 2: Plugin author name.
$plugin_version_string = sprintf( __( 'Version %1$s by %2$s', 'health-check' ), $plugin_version, $plugin_author );
$plugin_version_string_debug = sprintf( 'version: %s, author: %s', $plugin_version, $plugin_author );
} else {
if ( ! empty( $plugin_author ) ) {
// translators: %s: Plugin author name.
$plugin_version_string = sprintf( __( 'By %s', 'health-check' ), $plugin_author );
$plugin_version_string_debug = sprintf( 'author: %s, version: (undefined)', $plugin_author );
}
if ( ! empty( $plugin_version ) ) {
// translators: %s: Plugin version number.
$plugin_version_string = sprintf( __( 'Version %s', 'health-check' ), $plugin_version );
$plugin_version_string_debug = sprintf( 'author: (undefined), version: %s', $plugin_version );
}
}
if ( array_key_exists( $plugin_path, $plugin_updates ) ) {
// translators: %s: Latest plugin version number.
$plugin_version_string .= ' ' . sprintf( __( '(Latest version: %s)', 'health-check' ), $plugin_updates[ $plugin_path ]->update->new_version );
$plugin_version_string_debug .= sprintf( ' (latest version: %s)', $plugin_updates[ $plugin_path ]->update->new_version );
}
$info[ $plugin_part ]['fields'][ sanitize_text_field( $plugin['Name'] ) ] = array(
'label' => $plugin['Name'],
'value' => $plugin_version_string,
'debug' => $plugin_version_string_debug,
);
}
// Populate the section for the currently active theme.
global $_wp_theme_features;
$theme_features = array();
if ( ! empty( $_wp_theme_features ) ) {
foreach ( $_wp_theme_features as $feature => $options ) {
$theme_features[] = $feature;
}
}
$active_theme = wp_get_theme();
$theme_updates = get_theme_updates();
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
$active_theme_version = $active_theme->Version;
$active_theme_version_debug = $active_theme_version;
if ( array_key_exists( $active_theme->stylesheet, $theme_updates ) ) {
$theme_update_new_version = $theme_updates[ $active_theme->stylesheet ]->update['new_version'];
// translators: %s: Latest theme version number.
$active_theme_version .= ' ' . sprintf( __( '(Latest version: %s)', 'health-check' ), $theme_update_new_version );
$active_theme_version_debug .= sprintf( ' (latest version: %s)', $theme_update_new_version );
}
$active_theme_author_uri = $active_theme->offsetGet( 'Author URI' );
$info['wp-active-theme']['fields'] = array(
'name' => array(
'label' => __( 'Name', 'health-check' ),
'value' => sprintf(
// translators: 1: Parent theme name. 2: Parent theme slug.
__( '%1$s (%2$s)', 'health-check' ),
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
$active_theme->Name,
$active_theme->stylesheet
),
),
'version' => array(
'label' => __( 'Version', 'health-check' ),
'value' => $active_theme_version,
'debug' => $active_theme_version_debug,
),
'author' => array(
'label' => __( 'Author', 'health-check' ),
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
'value' => wp_kses( $active_theme->Author, array() ),
),
'author_website' => array(
'label' => __( 'Author website', 'health-check' ),
'value' => ( $active_theme_author_uri ? $active_theme_author_uri : __( 'Undefined', 'health-check' ) ),
'debug' => ( $active_theme_author_uri ? $active_theme_author_uri : '(undefined)' ),
),
'parent_theme' => array(
'label' => __( 'Parent theme', 'health-check' ),
'value' => ( $active_theme->parent_theme ? $active_theme->parent_theme . ' (' . $active_theme->template . ')' : __( 'None', 'health-check' ) ),
'debug' => ( $active_theme->parent_theme ? $active_theme->parent_theme . ' (' . $active_theme->template . ')' : 'none' ),
),
'theme_features' => array(
'label' => __( 'Theme features', 'health-check' ),
'value' => implode( ', ', $theme_features ),
),
'theme_path' => array(
'label' => __( 'Theme directory location', 'health-check' ),
'value' => get_stylesheet_directory(),
),
);
$parent_theme = $active_theme->parent();
if ( $parent_theme ) {
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
$parent_theme_version = $parent_theme->Version;
$parent_theme_version_debug = $parent_theme_version;
if ( array_key_exists( $parent_theme->stylesheet, $theme_updates ) ) {
$parent_theme_update_new_version = $theme_updates[ $parent_theme->stylesheet ]->update['new_version'];
// translators: %s: Latest theme version number.
$parent_theme_version .= ' ' . sprintf( __( '(Latest version: %s)', 'health-check' ), $parent_theme_update_new_version );
$parent_theme_version_debug .= sprintf( ' (latest version: %s)', $parent_theme_update_new_version );
}
$parent_theme_author_uri = $parent_theme->offsetGet( 'Author URI' );
$info['wp-parent-theme']['fields'] = array(
'name' => array(
'label' => __( 'Name', 'health-check' ),
'value' => sprintf(
// translators: 1: Parent theme name. 2: Parent theme slug.
__( '%1$s (%2$s)', 'health-check' ),
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
$parent_theme->Name,
$parent_theme->stylesheet
),
),
'version' => array(
'label' => __( 'Version', 'health-check' ),
'value' => $parent_theme_version,
'debug' => $parent_theme_version_debug,
),
'author' => array(
'label' => __( 'Author', 'health-check' ),
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
'value' => wp_kses( $parent_theme->Author, array() ),
),
'author_website' => array(
'label' => __( 'Author website', 'health-check' ),
'value' => ( $parent_theme_author_uri ? $parent_theme_author_uri : __( 'Undefined', 'health-check' ) ),
'debug' => ( $parent_theme_author_uri ? $parent_theme_author_uri : '(undefined)' ),
),
'theme_path' => array(
'label' => __( 'Theme directory location', 'health-check' ),
'value' => get_template_directory(),
),
);
}
// Populate a list of all themes available in the install.
$all_themes = wp_get_themes();
foreach ( $all_themes as $theme_slug => $theme ) {
// Ignore the currently active theme from the list of all themes.
if ( $active_theme->stylesheet === $theme_slug ) {
continue;
}
// Ignore the currently active parent theme from the list of all themes.
if ( ! empty( $parent_theme ) && $parent_theme->stylesheet === $theme_slug ) {
continue;
}
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
$theme_version = $theme->Version;
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
$theme_author = $theme->Author;
// Sanitize
$theme_author = wp_kses( $theme_author, array() );
$theme_version_string = __( 'No version or author information is available.', 'health-check' );
$theme_version_string_debug = 'undefined';
if ( ! empty( $theme_version ) && ! empty( $theme_author ) ) {
// translators: 1: Theme version number. 2: Theme author name.
$theme_version_string = sprintf( __( 'Version %1$s by %2$s', 'health-check' ), $theme_version, $theme_author );
$theme_version_string_debug = sprintf( 'version: %s, author: %s', $theme_version, $theme_author );
} else {
if ( ! empty( $theme_author ) ) {
// translators: %s: Theme author name.
$theme_version_string = sprintf( __( 'By %s', 'health-check' ), $theme_author );
$theme_version_string_debug = sprintf( 'author: %s, version: (undefined)', $theme_author );
}
if ( ! empty( $theme_version ) ) {
// translators: %s: Theme version number.
$theme_version_string = sprintf( __( 'Version %s', 'health-check' ), $theme_version );
$theme_version_string_debug = sprintf( 'author: (undefined), version: %s', $theme_version );
}
}
if ( array_key_exists( $theme_slug, $theme_updates ) ) {
// translators: %s: Latest theme version number.
$theme_version_string .= ' ' . sprintf( __( '(Latest version: %s)', 'health-check' ), $theme_updates[ $theme_slug ]->update['new_version'] );
$theme_version_string_debug .= sprintf( ' (latest version: %s)', $theme_updates[ $theme_slug ]->update['new_version'] );
}
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
$info['wp-themes-inactive']['fields'][ sanitize_text_field( $theme->Name ) ] = array(
'label' => sprintf(
// translators: 1: Theme name. 2: Theme slug.
__( '%1$s (%2$s)', 'health-check' ),
// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
$theme->Name,
$theme_slug
),
'value' => $theme_version_string,
'debug' => $theme_version_string_debug,
);
}
// Add more filesystem checks
if ( defined( 'WPMU_PLUGIN_DIR' ) && is_dir( WPMU_PLUGIN_DIR ) ) {
$is_writable_wpmu_plugin_dir = wp_is_writable( WPMU_PLUGIN_DIR );
$info['wp-filesystem']['fields']['mu-plugins'] = array(
'label' => __( 'The must use plugins directory', 'health-check' ),
'value' => ( $is_writable_wpmu_plugin_dir ? __( 'Writable', 'health-check' ) : __( 'Not writable', 'health-check' ) ),
'debug' => ( $is_writable_wpmu_plugin_dir ? 'writable' : 'not writable' ),
);
}
/**
* Add or modify the debug information.
*
* Plugin or themes may wish to introduce their own debug information without creating additional admin pages
* they can utilize this filter to introduce their own sections or add more data to existing sections.
*
* Array keys for sections added by core are all prefixed with `wp-`, plugins and themes should use their own slug as
* a prefix, both for consistency as well as avoiding key collisions. Note that the array keys are used as labels
* for the copied data.
*
* All strings are expected to be plain text except $description that can contain inline HTML tags (see below).
*
* @since 5.2.0
*
* @param array $args {
* The debug information to be added to the core information page.
*
* This is an associative multi-dimensional array, up to three levels deep. The topmost array holds the sections.
* Each section has a `$fields` associative array (see below), and each `$value` in `$fields` can be
* another associative array of name/value pairs when there is more structured data to display.
*
* @type string $label The title for this section of the debug output.
* @type string $description Optional. A description for your information section which may contain basic HTML
* markup, inline tags only as it is outputted in a paragraph.
* @type boolean $show_count Optional. If set to `true` the amount of fields will be included in the title for
* this section.
* @type boolean $private Optional. If set to `true` the section and all associated fields will be excluded
* from the copied data.
* @type array $fields {
* An associative array containing the data to be displayed.
*
* @type string $label The label for this piece of information.
* @type string $value The output that is displayed for this field. Text should be translated. Can be
* an associative array that is displayed as name/value pairs.
* @type string $debug Optional. The output that is used for this field when the user copies the data.
* It should be more concise and not translated. If not set, the content of `$value` is used.
* Note that the array keys are used as labels for the copied data.
* @type boolean $private Optional. If set to `true` the field will not be included in the copied data
* allowing you to show, for example, API keys here.
* }
* }
*/
$info = apply_filters( 'debug_information', $info );
return $info;
}
/**
* Format the information gathered for debugging, in a manner suitable for copying to a forum or support ticket.
*
* @since 5.2.0
*
* @param array $info_array Information gathered from the `WP_Debug_Data::debug_data` function.
* @param string $type The data type to return, either 'info' or 'debug'.
* @return string The formatted data.
*/
public static function format( $info_array, $type ) {
$return = "`\n";
foreach ( $info_array as $section => $details ) {
// Skip this section if there are no fields, or the section has been declared as private.
if ( empty( $details['fields'] ) || ( isset( $details['private'] ) && $details['private'] ) ) {
continue;
}
$section_label = 'debug' === $type ? $section : $details['label'];
$return .= sprintf(
"### %s%s ###\n\n",
$section_label,
( isset( $details['show_count'] ) && $details['show_count'] ? sprintf( ' (%d)', count( $details['fields'] ) ) : '' )
);
foreach ( $details['fields'] as $field_name => $field ) {
if ( isset( $field['private'] ) && true === $field['private'] ) {
continue;
}
if ( 'debug' === $type && isset( $field['debug'] ) ) {
$debug_data = $field['debug'];
} else {
$debug_data = $field['value'];
}
// Can be array, one level deep only.
if ( is_array( $debug_data ) ) {
$value = '';
foreach ( $debug_data as $sub_field_name => $sub_field_value ) {
$value .= sprintf( "\n\t%s: %s", $sub_field_name, $sub_field_value );
}
} elseif ( is_bool( $debug_data ) ) {
$value = $debug_data ? 'true' : 'false';
} elseif ( empty( $debug_data ) && '0' !== $debug_data ) {
$value = 'undefined';
} else {
$value = $debug_data;
}
if ( 'debug' === $type ) {
$label = $field_name;
} else {
$label = $field['label'];
}
$return .= sprintf( "%s: %s\n", $label, $value );
}
$return .= "\n";
}
$return .= '`';
return $return;
}
/**
* Fetch the total size of all the database tables for the active database user.
*
* @since 5.2.0
*
* @return int The size of the database, in bytes.
*/
public static function get_database_size() {
global $wpdb;
$size = 0;
$rows = $wpdb->get_results( 'SHOW TABLE STATUS', ARRAY_A );
if ( $wpdb->num_rows > 0 ) {
foreach ( $rows as $row ) {
$size += $row['Data_length'] + $row['Index_length'];
}
}
return (int) $size;
}
public static function ajax_get_sizes() {
check_ajax_referer( 'health-check-site-status-result' );
if ( ! current_user_can( 'view_site_health_checks' ) || is_multisite() ) {
wp_send_json_error();
}
$sizes_data = Health_Check_Debug_Data::get_sizes();
$all_sizes = array( 'raw' => 0 );
foreach ( $sizes_data as $name => $value ) {
$name = sanitize_text_field( $name );
$data = array();
if ( isset( $value['size'] ) ) {
if ( is_string( $value['size'] ) ) {
$data['size'] = sanitize_text_field( $value['size'] );
} else {
$data['size'] = (int) $value['size'];
}
}
if ( isset( $value['debug'] ) ) {
if ( is_string( $value['debug'] ) ) {
$data['debug'] = sanitize_text_field( $value['debug'] );
} else {
$data['debug'] = (int) $value['debug'];
}
}
if ( ! empty( $value['raw'] ) ) {
$data['raw'] = (int) $value['raw'];
}
$all_sizes[ $name ] = $data;
}
if ( isset( $all_sizes['total_size']['debug'] ) && 'not available' === $all_sizes['total_size']['debug'] ) {
wp_send_json_error( $all_sizes );
}
wp_send_json_success( $all_sizes );
}
/**
* Fetch the sizes of the WordPress directories: `wordpress` (ABSPATH), `plugins`, `themes`, and `uploads`.
* Intended to supplement the array returned by `WP_Debug_Data::debug_data()`.
*
* @since 5.2.0
*
* @return array The sizes of the directories, also the database size and total installation size.
*/
public static function get_sizes() {
$size_db = self::get_database_size();
$upload_dir = wp_get_upload_dir();
/*
* We will be using the PHP max execution time to prevent the size calculations
* from causing a timeout. The default value is 30 seconds, and some
* hosts do not allow you to read configuration values.
*/
if ( function_exists( 'ini_get' ) ) {
$max_execution_time = ini_get( 'max_execution_time' );
}
// The max_execution_time defaults to 0 when PHP runs from cli.
// We still want to limit it below.
if ( empty( $max_execution_time ) ) {
$max_execution_time = 30;
}
if ( $max_execution_time > 20 ) {
// If the max_execution_time is set to lower than 20 seconds, reduce it a bit to prevent
// edge-case timeouts that may happen after the size loop has finished running.
$max_execution_time -= 2;
}
if ( ! defined( 'WP_START_TIMESTAMP' ) ) {
global $timestart;
if ( version_compare( phpversion(), '5.4.0', '>=' ) && isset( $_SERVER['REQUEST_TIME_FLOAT'] ) ) {
define( 'WP_START_TIMESTAMP', $_SERVER['REQUEST_TIME_FLOAT'] );
} else {
define( 'WP_START_TIMESTAMP', $timestart );
}
}
// Go through the various installation directories and calculate their sizes.
// No trailing slashes.
$paths = array(
'wordpress_size' => untrailingslashit( ABSPATH ),
'themes_size' => get_theme_root(),
'plugins_size' => WP_PLUGIN_DIR,
'uploads_size' => $upload_dir['basedir'],
);
$exclude = $paths;
unset( $exclude['wordpress_size'] );
$exclude = array_values( $exclude );
$size_total = 0;
$all_sizes = array();
// Loop over all the directories we want to gather the sizes for.
foreach ( $paths as $name => $path ) {
$dir_size = null; // Default to timeout.
$results = array(
'path' => $path,
'raw' => 0,
);
if ( microtime( true ) - WP_START_TIMESTAMP < $max_execution_time ) {
if ( 'wordpress_size' === $name ) {
if ( version_compare( get_bloginfo( 'version' ), '5.2.0', '<' ) ) {
$dir_size = Health_Check_Debug_Data::recurse_dirsize( $path, $exclude, $max_execution_time );
} else {
$dir_size = recurse_dirsize( $path, $exclude, $max_execution_time );
}
} else {
if ( version_compare( get_bloginfo( 'version' ), '5.2.0', '<' ) ) {
$dir_size = Health_Check_Debug_Data::recurse_dirsize( $path, null, $max_execution_time );
} else {
$dir_size = recurse_dirsize( $path, null, $max_execution_time );
}
}
}
if ( false === $dir_size ) {
// Error reading.
$results['size'] = __( 'The size cannot be calculated. The directory is not accessible. Usually caused by invalid permissions.', 'health-check' );
$results['debug'] = 'not accessible';
// Stop total size calculation.
$size_total = null;
} elseif ( null === $dir_size ) {
// Timeout.
$results['size'] = __( 'The directory size calculation has timed out. Usually caused by a very large number of sub-directories and files.', 'health-check' );
$results['debug'] = 'timeout while calculating size';
// Stop total size calculation.
$size_total = null;
} else {
if ( null !== $size_total ) {
$size_total += $dir_size;
}
$results['raw'] = $dir_size;
$results['size'] = size_format( $dir_size, 2 );
$results['debug'] = $results['size'] . " ({$dir_size} bytes)";
}
$all_sizes[ $name ] = $results;
}
if ( $size_db > 0 ) {
$database_size = size_format( $size_db, 2 );
$all_sizes['database_size'] = array(
'raw' => $size_db,
'size' => $database_size,
'debug' => $database_size . " ({$size_db} bytes)",
);
} else {
$all_sizes['database_size'] = array(
'size' => __( 'Not available', 'health-check' ),
'debug' => 'not available',
);
}
if ( null !== $size_total && $size_db > 0 ) {
$total_size = $size_total + $size_db;
$total_size_mb = size_format( $total_size, 2 );
$all_sizes['total_size'] = array(
'raw' => $total_size,
'size' => $total_size_mb,
'debug' => $total_size_mb . " ({$total_size} bytes)",
);
} else {
$all_sizes['total_size'] = array(
'size' => __( 'Total size is not available. Some errors were encountered when determining the size of your installation.', 'health-check' ),
'debug' => 'not available',
);
}
return $all_sizes;
}
/**
* Fallback function for directory size calculation on sites running WordPress <5.2
*
* @param string $directory Full path of a directory.
* @param string|array $exclude Optional. Full path of a subdirectory to exclude from the total, or array of paths.
* Expected without trailing slash(es).
* @param int $max_execution_time Maximum time to run before giving up. In seconds.
* The timeout is global and is measured from the moment WordPress started to load.
* @return int|false|null Size in bytes if a valid directory. False if not. Null if timeout.
*/
static function recurse_dirsize( $directory, $exclude = null, $max_execution_time = null ) {
$size = 0;
$directory = untrailingslashit( $directory );
if ( ! file_exists( $directory ) || ! is_dir( $directory ) || ! is_readable( $directory ) ) {
return false;
}
if (
( is_string( $exclude ) && $directory === $exclude ) ||
( is_array( $exclude ) && in_array( $directory, $exclude, true ) )
) {
return false;
}
if ( null === $max_execution_time ) {
// Keep the previous behavior but attempt to prevent fatal errors from timeout if possible.
if ( function_exists( 'ini_get' ) ) {
$max_execution_time = ini_get( 'max_execution_time' );
} else {
// Disable...
$max_execution_time = 0;
}
// Leave 1 second "buffer" for other operations if $max_execution_time has reasonable value.
if ( $max_execution_time > 10 ) {
$max_execution_time -= 1;
}
}
$handle = opendir( $directory );
if ( $handle ) {
while ( ( $file = readdir( $handle ) ) !== false ) {
$path = $directory . '/' . $file;
if ( '.' != $file && '..' != $file ) {
if ( is_file( $path ) ) {
$size += filesize( $path );
} elseif ( is_dir( $path ) ) {
$handlesize = Health_Check_Debug_Data::recurse_dirsize( $path, $exclude, $max_execution_time );
if ( $handlesize > 0 ) {
$size += $handlesize;
}
}
if ( $max_execution_time > 0 && microtime( true ) - WP_START_TIMESTAMP > $max_execution_time ) {
// Time exceeded. Give up instead of risking a fatal timeout.
$size = null;
break;
}
}
}
closedir( $handle );
}
return $size;
}
}