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<?php
if (!defined('ABSPATH')) die('No direct access allowed');
class WP_Optimize_Detect_Cache_Plugins {
private static $instance;
/**
* WP_Optimize_Detect_Cache_Plugins constructor.
*/
protected function __construct() {
}
/**
* Detect list of active most popular WordPress cache plugins.
*
* @return array
*/
public function get_active_cache_plugins() {
// The index is the plugin's slug
$active_cache_plugins = array();
foreach ($this->get_plugins() as $plugin_slug => $plugin_title) {
$function_name = 'is_'.str_replace('-', '_', $plugin_slug).'_plugin_active';
if (is_callable(array($this, $function_name))) {
if (call_user_func(array($this, $function_name))) {
$active_cache_plugins[$plugin_slug] = $plugin_title;
}
} else {
if ($this->is_plugin_active($plugin_slug)) {
$active_cache_plugins[$plugin_slug] = $plugin_title;
}
}
}
return $active_cache_plugins;
}
/**
* Get the plugins list
*
* @return array
*/
protected function get_plugins() {
return array(
'w3-total-cache' => 'W3 Total Cache',
'wp-super-cache' => 'WP Super Cache',
'wp-rocket' => 'WP Rocket',
'wp-fastest-cache' => 'WP Fastest Cache',
'litespeed-cache' => 'LiteSpeed Cache',
'cache-enabler' => 'Cache Enabler',
'comet-cache' => 'Comet Cache',
'hummingbird-performance' => 'Hummingbird',
'hyper-cache' => 'Hyper Cache',
);
}
/**
* Check if W3 Total Cache active.
*
* @return bool
*/
public function is_w3_total_cache_plugin_active() {
return defined('W3TC_VERSION') || $this->is_plugin_active('w3-total-cache');
}
/**
* Check if WP Rocket active.
*
* @return bool
*/
public function is_wp_rocket_plugin_active() {
return defined('WP_ROCKET_VERSION') || $this->is_plugin_active('wp-rocket');
}
/**
* Check if $plugin is active.
*
* @param string $plugin - plugin slug
*
* @return bool
*/
private function is_plugin_active($plugin) {
$status = WP_Optimize()->get_db_info()->get_plugin_status($plugin);
return $status['active'];
}
/**
* Instance of WP_Optimize_Detect_Cache_Plugins.
*
* @return WP_Optimize_Detect_Cache_Plugins
*/
static public function instance() {
static $instance;
if (empty($instance)) {
$instance = new self();
}
return $instance;
}
}
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