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Posted By

cshaiku on 06/30/09


Tagged

regex input sanitize


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cshaiku
vali29
chrisjlee


Sanitize Input

 / Published in: PHP
 

URL: http://code.cshaiku.com/code_php_sanitize_input.php

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  1. function _codeSanitize($input, $methods) {
  2.  
  3.   if (strlen($methods) > 0) {
  4.     if (in_array('alpha', $methods))
  5.       $input = ereg_replace("[A-Za-z]", "", $input);
  6.  
  7.     if (in_array('numeric', $methods))
  8.       $input = ereg_replace("[0-9]", "", $input);
  9.  
  10.     if (in_array('nonalphanumeric', $methods))
  11.       return ereg_replace("[^A-Za-z0-9]", "", $input);
  12.   }
  13.   return $input;
  14. }
  15.  
  16. ###
  17. $dirty = '';
  18. $sanitized = '';
  19.  
  20. if (@strlen($_POST['dirty']) > 0) {
  21.   $dirty = stripslashes(htmlspecialchars($_POST['dirty']));
  22.   @$sanitized = _codeSanitize($dirty, $_POST['methods']);
  23. }

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