Glese Posted December 2, 2011 Share Posted December 2, 2011 I do want to validate a password input field to only allow numbers and letters without special character and spaces, and I also do want the same for the name input field. Since the old fashioned ways are deprecated. How would one approach to solve this issue the new way? Quote Link to comment Share on other sites More sharing options...
canabatz Posted December 2, 2011 Share Posted December 2, 2011 function safe($value){ return mysql_real_escape_string($value); } if($_POST['submit']) { $username1=safe($_POST['username']); $password=safe($_POST['password']); .......more code here Quote Link to comment Share on other sites More sharing options...
QuickOldCar Posted December 2, 2011 Share Posted December 2, 2011 http://php.net/manual/en/function.ctype-alnum.php Quote Link to comment Share on other sites More sharing options...
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