Definition of these codes.

[xxreenaxx1]

I would like to know what these codes mean

 

function clean($str) {
	$str = @trim($str);
	if(get_magic_quotes_gpc()) {
		$str = stripslashes($str);
	}
	return mysql_real_escape_string($str);
}

[trq]

Then you should look them up in the manual. It easy...

 

http://php.net/<function name>