private function cache_driver()
{
if (empty(self::$_cache_driver)) {
require_once "class.basecache.php";
try {
self::$_cache_driver = CacheProviderFactory::get_provider('memcached');
} catch (Exception $e) {
# Memcached not supported.
self::$_cache_driver = CacheProviderFactory::get_provider('memory');
}
}
return self::$_cache_driver;
}
/**
*
* METHODS
*
*/
public static function init()
{
if (defined('MG_CACHE_DIR')) {
self::$cacheDir = WP_CONTENT_DIR . '/' . MG_CACHE_DIR . '/' . self::$cacheSubdir;
} else {
self::$cacheDir = WP_CONTENT_DIR . '/cache/' . self::$cacheSubdir;
}
$wpContentUrl = preg_replace('/(http|https):\\/\\/' . $_SERVER['HTTP_HOST'] . '\\/(.*)\\/wp-content/', '/wp-content', WP_CONTENT_URL);
if (defined('MG_CACHE_PATH')) {
self::$cachePath = $wpContentUrl . '/' . MG_CACHE_PATH . '/' . self::$cacheSubdir;
} else {
self::$cachePath = $wpContentUrl . '/cache/' . self::$cacheSubdir;
}
if (defined('MG_CACHE_EXTENSION')) {
self::$fileExtension = MG_CACHE_EXTENSION;
} else {
self::$fileExtension = 'cache';
}
if (defined('MG_CACHE_DRIVER')) {
self::$cacheDriver = CacheProviderFactory::build(MG_CACHE_DRIVER);
}
// ABSPATH won't work reliably if WP is installed in a subdirectory
self::$webRoot = realpath(dirname($_SERVER['SCRIPT_FILENAME'])) . '/';
if (empty(self::$webRoot)) {
self::$webRoot = ABSPATH;
}
if (defined('MG_CACHE_DRIVER')) {
self::$cacheDriver = CacheProviderFactory::build(MG_CACHE_DRIVER);
} else {
self::$cacheDriver = CacheProviderFactory::build('file');
}
// test that cache directory is writable (for windows and vagrant... which fail is_writable)
try {
$testFile = self::$cacheDir . '/__cache.txt';
$fp = fopen($testFile, 'w');
fwrite($fp, 'hello cache!');
if (!file_exists($testFile)) {
throw new \Exception();
}
MgAssetHelper::registerSettings();
MgAssetHelper::registerFilters();
} catch (\Exception $e) {
add_action('admin_notices', array('MgAssetHelper', 'adminErrorNoticeCacheDirectoryWritable'));
}
}
public function cache_driver()
{
if (isset($this->cache_driver)) {
return $this->cache_driver;
}
# Check for memcached enabled
require_once "class.basecache.php";
try {
$this->cache_driver = CacheProviderFactory::get_provider('memcached');
} catch (Exception $e) {
# Memcached not supported.
$this->cache_driver = CacheProviderFactory::get_provider('session');
}
return $this->cache_driver;
}
