src/Cache/Simple/AbstractAdapter.php
protected function doDeleteMultiple(iterable $keys)
	{
		$success = true;

		foreach ($keys as $key) {
			if (!$this->doDelete($key)) {
				$success = false;
			}
		}

		return $success;
	}
protected function doDeleteMultiple(iterable $keys)
	{
		$success = true;

		foreach ($keys as $key) {
			if (!$this->doDelete($key)) {
				$success = false;
			}
		}

		return $success;
	}
protected function doDeleteMultiple ( iterable $ keys ) { $ success = true ; foreach ( $ keys as $ key ) { if ( ! $ this -> doDelete ( $ key ) ) { $ success = false ; } } return $ success ; }
Default implementation of doDeleteMultiple. Each driver that supports multi-delete should override it.

@param array $keys Array of keys to delete from cache

@return bool TRUE if the operation was successful, FALSE if it wasn't
Default implementation of doDeleteMultiple . Each driver that supports multi - delete should override it .