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Securing & Cleaning Strings in inputs like Login, etc.

/ Published in: PHP
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By Eduardo de la Torre.

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Copy this code and paste it in your HTML 
  1. <?php
  2. // SECURE STRINGS IN LOGIN ETC.
  3. // By Eduardo de la Torre from www.atinamedia.com
  4.  
  5. function clean_string($string, $length){
  6. 	$string = substr($string, 0, $length);
  7. 	$string = strip_tags(trim($string));
  8. 	return $string;
  9. }
  10.  
  11. // Example:
  12. // If... Triying XSS
  13.  
  14. $foo = "<scrip>alert(\"ALARM!!\");</script>";
  15.  
  16. // The length is limit to 40 characters (for example)
  17. echo clean_string($foo, 40);
  18. ?>

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