public static function removeExtension($fileName) {
		$ext = strrchr($fileName, '.');
		if($ext !== false) {
			$fileName = substr($fileName, 0, -strlen($ext));
		}
		return $fileName;
	}
public static function removeExtension($fileName) {
		$ext = strrchr($fileName, '.');
		if($ext !== false) {
			$fileName = substr($fileName, 0, -strlen($ext));
		}
		return $fileName;
	}
public static function removeExtension ( $ fileName ) { $ ext = strrchr ( $ fileName , '.' ) ; if ( $ ext !== false ) { $ fileName = substr ( $ fileName , 0 , - strlen ( $ ext ) ) ; } return $ fileName ; }
strips out the file extenstion

@param string $fileName
@return string
strips out the file extenstion