Paste: Util Class with pathCheck method

	/**
	 * Checks a file or directory existence and readability
	 * 
	 * @param string $path /path/to/dir/or/file
	 * @param string $fd Either 'f' for file or 'd' for directory.
	 * @param string $rw Either 'w' for a check on writability or 'r' for a check on readability.
	 * 
	 * @return bool
	 */
	public static function checkPath (
		$path,
		$fd,
		$rw )
	{
		if ( $fd == 'f') {
			if (is_file($path) != true) {
				Log::debug ( $path . ' is not a file');
				return false;
			}
		} elseif ( $fd == 'd') {
			if (is_dir($path) != true) {
				Log::debug ( $path . ' is not a directory');
				return false;
			}
		} else {
			Log::debug ( '$fd must be either "f" or "d"');
			return false;
		}
		
		if ( $rw == 'r') {
			if (!is_readable($path)) {
				Log::debug ( $path . ' is not a readable');
				return false;
			}
		} elseif ( $rw == 'w') {
			if (!is_writable($path)) {
				Log::debug ( $path . ' is not a writable');
				return false;
			}
		} elseif ( $rw == 'rw' ) {
			if (!is_readable($path) || !is_writable($path)) {
				Log::debug ( $path . ' is not a writable and readable.');
				return false;
			}
		} else {
			Log::debug ( '$rw must be either "r" or "w"');
			return false;
		}
		
		return true;
	}