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Clean variables from SQL injections

/ Published in: PHP
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This little function helps to fight common security issue with SQL injections, it can sanitize any global variable like $_POST, $_GET, $_SERVER etc and escape unsafe characters.

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  1. function _clean($str){ 
  2. return is_array($str) ? array_map('_clean', $str) : str_replace("\\", "\\\\", htmlspecialchars((get_magic_quotes_gpc() ? stripslashes($str) : $str), ENT_QUOTES)); 
  3. }
  4.  
  5. //usage call it somewhere in beginning of your script
  6. _clean($_POST);
  7. _clean($_GET);
  8. _clean($_REQUEST);// and so on..

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