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Editing: class-cache-wrapper.php
<?php /** * Cache Wrapper Class * * Provides unified caching interface with automatic fallback from object cache * (Redis/Memcached) to custom cache table. * * @since 9.11.0 * @package MonsterInsights */ // Exit if accessed directly if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Cache Wrapper class. * * @since 9.11.0 */ class MonsterInsights_Cache_Wrapper { /** * Cache table instance. * * @since 9.11.0 * @var MonsterInsights_Cache_Table */ private $cache_table; /** * Constructor. * * @since 9.11.0 */ public function __construct() { // Load cache table class if not already loaded if ( ! class_exists( 'MonsterInsights_Cache_Table' ) ) { require_once MONSTERINSIGHTS_PLUGIN_DIR . 'includes/database/tables/class-cache-table.php'; } $this->cache_table = new MonsterInsights_Cache_Table(); } /** * Check if persistent object cache is available. * * @since 9.11.0 * @return bool True if object cache available, false otherwise. */ public function has_object_cache() { global $_wp_using_ext_object_cache; return (bool) $_wp_using_ext_object_cache; } /** * Get cached data. * * Tries object cache first (Redis/Memcached), then falls back to cache table. * * @since 9.11.0 * @param string $key Cache key. * @param string $group Cache group (default 'reports'). * @return mixed|false Cached data or false if not found. */ public function get( $key, $group = 'reports' ) { // Try object cache first if ( $this->has_object_cache() ) { $cached = wp_cache_get( $key, $group ); if ( false !== $cached ) { return $cached; } } // Fallback to cache table return $this->cache_table->get_cache( $key, $group ); } /** * Set cached data. * * Stores in both object cache (if available) and cache table for redundancy. * * @since 9.11.0 * @param string $key Cache key. * @param mixed $value Value to cache. * @param string $group Cache group (default 'reports'). * @param int $expiration Expiration in seconds (default 3600). * @return bool True on success, false on failure. */ public function set( $key, $value, $group = 'reports', $expiration = 3600 ) { $success = true; // Store in object cache if available if ( $this->has_object_cache() ) { wp_cache_set( $key, $value, $group, $expiration ); } // Always store in cache table as well // This provides persistence and fallback $table_success = $this->cache_table->set_cache( $key, $value, $group, $expiration ); return $table_success; } /** * Delete cached data. * * Deletes from both object cache and cache table. * * @since 9.11.0 * @param string $key Cache key. * @param string $group Cache group (default 'reports'). * @return bool True on success, false on failure. */ public function delete( $key, $group = 'reports' ) { // Delete from object cache if available if ( $this->has_object_cache() ) { wp_cache_delete( $key, $group ); } // Delete from cache table return $this->cache_table->delete_cache( $key, $group ); } /** * Flush all cached data in a group. * * @since 9.11.0 * @param string $group Cache group (default 'reports'). * @return bool True on success, false on failure. */ public function flush_group( $group = 'reports' ) { // Flush from object cache if available and supported if ( $this->has_object_cache() && function_exists( 'wp_cache_flush_group' ) ) { wp_cache_flush_group( $group ); } // Flush from cache table return $this->cache_table->flush_group( $group ); } /** * Flush all cached data. * * @since 9.11.0 * @return bool True on success, false on failure. */ public function flush_all() { // Flush object cache if available if ( $this->has_object_cache() ) { wp_cache_flush(); } // Flush cache table return $this->cache_table->flush_all(); } /** * Check if a cache key exists. * * @since 9.11.0 * @param string $key Cache key. * @param string $group Cache group (default 'reports'). * @return bool True if exists, false otherwise. */ public function exists( $key, $group = 'reports' ) { // Check object cache first if ( $this->has_object_cache() ) { $cached = wp_cache_get( $key, $group ); if ( false !== $cached ) { return true; } } // Check cache table return $this->cache_table->exists( $key, $group ); } /** * Get cache statistics. * * @since 9.11.0 * @return array Cache statistics. */ public function get_stats() { $stats = $this->cache_table->get_stats(); $stats['object_cache_available'] = $this->has_object_cache(); return $stats; } /** * Clean up expired cache entries from table. * * Object cache handles its own expiration. * * @since 9.11.0 * @return int Number of entries deleted. */ public function cleanup_expired() { return $this->cache_table->cleanup_expired(); } /** * Get the remaining time to live for a cache entry. * * @since 9.11.0 * @param string $key Cache key. * @param string $group Cache group (default 'reports'). * @return int|false Time to live in seconds, or false if not found/expired. */ public function get_ttl( $key, $group = 'reports' ) { // Object cache doesn't expose TTL, so check table return $this->cache_table->get_ttl( $key, $group ); } }
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