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mkurdybanowskimkurdybanowski
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WordPress#718: object caching info
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3 files changed

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‎plugins/performance-lab/includes/site-health/load.php

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// AVIF Support site health check.
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require_once __DIR__ . '/avif-support/helper.php';
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require_once __DIR__ . '/avif-support/hooks.php';
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// Object Cache Support site health info.
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require_once __DIR__ . '/object-cache/helper.php';
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require_once __DIR__ . '/object-cache/hooks.php';

‎plugins/performance-lab/includes/site-health/object-cache/helper.php

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<?php
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/**
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* Helper functions used for Object Cache Support Info.
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*
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* @package performance-lab
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* @since 2.1.0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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/**
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* Callback for Object Cache Info fields.
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*
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* @return array Fields.
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* @since 3.3.0
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*/
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function object_cache_supported_fields() {
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return array(
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'extension' => array(
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'label' => __( 'Extension', 'performance-lab' ),
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'value' => wp_get_cache_type(),
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),
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'multiple_gets' => array(
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'label' => __( 'Multiple gets', 'performance-lab' ),
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'value' => wp_cache_supports( 'get_multiple' ) ? 'Enabled' : 'Disabled',
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),
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'multiple_sets' => array(
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'label' => __( 'Multiple sets', 'performance-lab' ),
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'value' => wp_cache_supports( 'set_multiple' ) ? 'Enabled' : 'Disabled',
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),
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'multiple_deletes' => array(
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'label' => __( 'Multiple deletes', 'performance-lab' ),
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'value' => wp_cache_supports( 'delete_multiple' ) ? 'Enabled' : 'Disabled',
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),
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'flush_group' => array(
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'label' => __( 'Flush group', 'performance-lab' ),
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'value' => wp_cache_supports( 'flush_group' ) ? 'Enabled' : 'Disabled',
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),
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);
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}
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/**
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* Attempts to determine which object cache is being used.
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*
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* Note that the guesses made by this function are based on the WP_Object_Cache classes
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* that define the 3rd party object cache extension. Changes to those classes could render
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* problems with this function's ability to determine which object cache is being used.
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*
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* @return string
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* @since 3.3.0
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*/
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function wp_get_cache_type() {
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global $_wp_using_ext_object_cache, $wp_object_cache;
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if ( ! empty( $_wp_using_ext_object_cache ) ) {
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// Test for Memcached PECL extension memcached object cache (https://github.com/tollmanz/wordpress-memcached-backend)
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if ( isset( $wp_object_cache->m ) && $wp_object_cache->m instanceof \Memcached ) {
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$message = 'Memcached';
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// Test for Memcache PECL extension memcached object cache (https://wordpress.org/extend/plugins/memcached/)
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} elseif ( isset( $wp_object_cache->mc ) ) {
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$is_memcache = true;
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foreach ( $wp_object_cache->mc as $bucket ) {
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if ( ! $bucket instanceof \Memcache && ! $bucket instanceof \Memcached ) {
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$is_memcache = false;
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}
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}
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if ( $is_memcache ) {
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$message = 'Memcache';
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}
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// Test for Xcache object cache (https://plugins.svn.wordpress.org/xcache/trunk/object-cache.php)
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} elseif ( $wp_object_cache instanceof \XCache_Object_Cache ) {
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$message = 'Xcache';
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// Test for WinCache object cache (https://wordpress.org/extend/plugins/wincache-object-cache-backend/)
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} elseif ( class_exists( 'WinCache_Object_Cache' ) ) {
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$message = 'WinCache';
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// Test for APC object cache (https://wordpress.org/extend/plugins/apc/)
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} elseif ( class_exists( 'APC_Object_Cache' ) ) {
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$message = 'APC';
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// Test for WP Redis (https://wordpress.org/plugins/wp-redis/)
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} elseif ( isset( $wp_object_cache->redis ) && $wp_object_cache->redis instanceof \Redis ) {
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$message = 'Redis';
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// Test for Redis Object Cache (https://wordpress.org/plugins/redis-cache/)
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} elseif ( method_exists( $wp_object_cache, 'redis_instance' ) && method_exists( $wp_object_cache,
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'redis_status' ) ) {
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$message = 'Redis';
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// Test for Object Cache Pro (https://objectcache.pro/)
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} elseif ( method_exists( $wp_object_cache, 'config' ) && method_exists( $wp_object_cache, 'connection' ) ) {
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$message = 'Redis';
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// Test for WP LCache Object cache (https://github.com/lcache/wp-lcache)
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} elseif ( isset( $wp_object_cache->lcache ) && $wp_object_cache->lcache instanceof \LCache\Integrated ) {
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$message = 'WP LCache';
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} elseif ( function_exists( 'w3_instance' ) ) {
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$config = w3_instance( 'W3_Config' );
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$message = 'Unknown';
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if ( $config->get_boolean( 'objectcache.enabled' ) ) {
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$message = 'W3TC ' . $config->get_string( 'objectcache.engine' );
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}
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} else {
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$message = 'Unknown';
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}
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} else {
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$message = 'Disabled';
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}
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return $message;
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}

‎plugins/performance-lab/includes/site-health/object-cache/hooks.php

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<?php
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/**
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* Hook callbacks used for Site Health Info.
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*
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* @package performance-lab
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* @since 2.1.0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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/**
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* Adds Object Cache module to Site Health Info.
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*
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* @param array $info Site Health Info.
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*
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* @return array Amended Info.
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* @since 3.3.0
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*
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*/
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function object_cache_supported_info( array $info ): array {
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$info['object_cache'] = array(
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'label' => __( 'Object Caching', 'performance-lab' ),
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'description' => __( 'Shows which features object cache supports and if object caching is in use.',
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'performance-lab' ),
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'fields' => object_cache_supported_fields(),
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);
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return $info;
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}
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add_filter( 'debug_information', 'object_cache_supported_info', 10, 1 );

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