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data sanitization

/ Published in: PHP
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  1. function clean($string,$type){
  2.         switch ($type){
  3.             case "int":
  4.                 return filter_var(filter_var($string, FILTER_SANITIZE_NUMBER_INT), FILTER_VALIDATE_INT);
  5.             case "string":
  6.                 return filter_var($string, FILTER_SANITIZE_STRING);
  7.             case "sql":
  8.                 return mysql_real_escape_string($string);
  9.                 break;
  10.             case "email":
  11.                 return filter_var(filter_var($string, FILTER_SANITIZE_EMAIL), FILTER_VALIDATE_EMAIL);
  12.                 break;
  13.             case "url":
  14.                 return filter_var(filter_var($string, FILTER_SANITIZE_URL), FILTER_VALIDATE_URL);
  15.                 break;
  16.             case "ip":
  17.                 return filter_var(filter_var($string, FILTER_SANITIZE_IP), FILTER_VALIDATE_IP);
  18.                 break;
  19.             default:
  20.                 return 0;
  21.                 break;
  22.         }
  23.     }

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