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i just want to ask you guys if this works 100% from SQL injection?

$name = filter_var($_POST['login'], FILTER_SANITIZE_STRING);

$pass = filter_var($_POST['pass'],FILTER_SANITIZE_STRING);

 

No. That doesn't even sort-of prevent SQL injection. What you need to be doing is escaping the string (see Pikachu's response above) or using prepared statements (with the MySQLi or PDO drivers).

If you're using MySQL, then you have mysql_real_escape_string and mysqli_real_escape_string available for escaping string data.

 

This is the CORRECT way, because it takes MySQL's character encoding settings into effect when escaping.

 

Using a specific-to-engine solution will generally give you the best results.

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