}
/**
- * Create a new compressor channel based a given compression handler
+ * Create a new compressor channel based a given compression handler or NULL if the required PHP functions are not found.
*
- * @return $compressorInstance An instance of this class
+ * @return $compressorInstance An instance of this class or NULL if the required PHP functions are not found.
*/
public static final function createGzipCompressor () {
// Routines not found by default