/**
* Check if SQLite is loaded, else an exception is thrown.
*
* @param array $parameters Parameters.
* @return void
* @throws \Hoa\Cache\Exception
*/
public function __construct(array $parameters = [])
{
if (!extension_loaded('sqlite')) {
throw new Cache\Exception('SQLite is not loaded on server.', 0);
}
parent::__construct($parameters);
return;
}
/**
* Check if APC is loaded, else an exception is thrown.
*
* @param array $parameters Parameters.
* @return void
* @throws \Hoa\Cache\Exception
*/
public function __construct(array $parameters = [])
{
if (!extension_loaded('apc')) {
throw new Cache\Exception('APC (PECL extension) is not loaded on server.', 0);
}
parent::__construct($parameters);
return;
}
/**
* Check if Memcache is loaded and prepare variables.
*
* @param array $parameters Parameters.
* @return void
* @throws \Hoa\Cache\Exception
*/
public function __construct(array $parameters = [])
{
if (!extension_loaded('memcache')) {
throw new Cache\Exception('Memcache module extension is not loaded on server.', 0);
}
parent::__construct($parameters);
return;
}
/**
* Check if EAccelerator is loaded, else an exception is thrown.
*
* @param array $parameters Parameters.
* @return void
* @throws \Hoa\Cache\Exception
*/
public function __construct(array $parameters = [])
{
if (!extension_loaded('eaccelerator')) {
throw new Cache\Exception('EAccelerator is not loaded on server.', 0);
}
parent::__construct($parameters);
return;
}
/**
* Validate that the Zend Platform is loaded and licensed.
*
* @param array $parameters Parameters.
* @return void
* @throws \Hoa\Cache\Exception
*/
public function __construct(array $parameters = [])
{
if (!function_exists('accelerator_license_info')) {
throw new Cache\Exception('The Zend Platform extension must be loaded to use this backend.', 0);
}
if (!function_exists('accelerator_get_configuration')) {
$licenseInfos = accelerator_license_info();
throw new Cache\Exception('The Zend Platform extension is not loaded correctly: %s.', 1, $licenseInfos['failure_reason']);
}
$configurations = accelerator_get_configuration();
if (@(!$configurations['output_cache_licensed'])) {
throw new Cache\Exception('The Zend Platform extension does not have the proper license ' . 'to use content caching features.', 2);
}
if (@(!$configurations['output_cache_enabled'])) {
throw new Cache\Exception('The Zend Platform content caching feature must be enabled to ' . 'use this backend, set the ' . 'zend_accelerator.output_cache_enabled directive to on.', 3);
}
if (!is_writable($configuration['output_cache_dir'])) {
throw new Cache\Exception('The cache copies directory %s must be writable.', 4, $configuration['output_cache_dir']);
}
parent::__construct($parameters);
return;
}