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<?php |
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|
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/** |
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* JCH Optimize - Performs several front-end optimizations for fast downloads |
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* |
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* @package jchoptimize/wordpress-platform |
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* @author Samuel Marshall <samuel@jch-optimize.net> |
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* @copyright Copyright (c) 2022 Samuel Marshall / JCH Optimize |
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* @license GNU/GPLv3, or later. See LICENSE file |
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* |
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* If LICENSE file missing, see <http://www.gnu.org/licenses/>. |
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*/ |
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|
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namespace JchOptimize\WordPress\Admin\Settings; |
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|
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use function class_exists; |
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use function extension_loaded; |
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use function function_exists; |
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use function ini_get; |
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use function strcmp; |
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|
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abstract class CacheStorageSupport |
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{ |
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/** |
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* Test to see if the APCU storage handler is available. |
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* |
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* @return bool |
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*/ |
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public static function isApcuSupported(): bool |
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{ |
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$supported = extension_loaded('apcu') && ini_get('apc.enabled'); |
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|
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// If on the CLI interface, the `apc.enable_cli` option must also be enabled |
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if ($supported && PHP_SAPI === 'cli') { |
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$supported = ini_get('apc.enable_cli'); |
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} |
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|
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return (bool)$supported; |
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} |
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|
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/** |
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* Test to see if the Memcached storage handler is available. |
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* |
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* @return bool |
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*/ |
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public static function isMemcachedSupported(): bool |
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{ |
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/* |
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* GAE and HHVM have both had instances where Memcached the class was defined but no extension was loaded. |
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* If the class is there, we can assume support. |
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*/ |
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return class_exists('Memcached'); |
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} |
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|
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/** |
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* Test to see if the Redis storage handler is available. |
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* |
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* @return bool |
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*/ |
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public static function isRedisSupported(): bool |
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{ |
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return class_exists('\\Redis'); |
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} |
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|
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/** |
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* Test to see if the Wincache storage handler is available. |
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* |
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* @return bool |
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*/ |
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public static function isWincacheSupported(): bool |
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{ |
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return extension_loaded('wincache') && function_exists('wincache_ucache_get') && !strcmp( |
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ini_get('wincache.ucenabled'), |
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'1' |
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); |
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} |
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} |
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