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Clean & Grab POST/GET/Referer Variable functions

/ Published in: PHP
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This set of functions makes it quicker for me to code, might be useful to someone else =]

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  1. function clean($var){
  2.  
  3.     	return (get_magic_quotes_gpc()) ? stripslashes(mysql_real_escape_string($var)) : mysql_real_escape_string($var) ;
  4.  
  5.     }
  6.  
  7. 	function grab_postvar($index, $clean = true){
  8.  
  9.     	return (isset($_POST[$index]) && !empty($index)) ? (($clean) ? clean($_POST[$index]) : $_POST[$index] ) : false ;
  10.  
  11.     }
  12.  
  13. 	/* Usage: $post_variable = grab_postvar("id"); | Returns the variable else returns boolean false */
  14.  
  15.  
  16.     function grab_getvar($index, $clean = true){
  17.  
  18.     	return (isset($_GET[$index]) && !empty($index)) ? (($clean) ? clean($_GET[$index]) : $_GET[$index] ) : false ;
  19.  
  20.     }
  21.  
  22. 	/* Usage: $get_variable = grab_getvar("id"); | Returns the variable else returns boolean false */
  23.  
  24.  
  25. 	function grab_referer($default = NULL){
  26.  
  27. 		return (isset($_SERVER['HTTP_REFERER']) && !empty($_SERVER['HTTP_REFERER'])) ? clean($_SERVER['HTTP_REFERER']) : ((is_null($default)) ? '/' : $default ) ;
  28.  
  29. 	}
  30.  
  31. 	/* Usage: $referer_url = grab_referer("index.php"); */

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