public static function GetPhpIniSizeLimit ($iniVarName) {
		$rawIniValue = @ini_get($iniVarName);
		if ($rawIniValue === FALSE) {
			return 0;
		} else if ($rawIniValue === NULL) {
			return NULL;
		}
		$unit = strtoupper(substr($rawIniValue, -1));
		$multiplier = (
			$unit == 'M' 
				? 1048576 
				: ($unit == 'K' 
					? 1024 
					: ($unit == 'G' 
						? 1073741824 
						: 1)));
		return intval($multiplier * floatval($rawIniValue));
	}