phpSecurityClassClosure.php

<?php
 
$dict = array (
  "ftp" => function($input){
            if (preg_match("/^([A-Za-z0-9_\-\.])+$/", $input)){
  		         return TRUE;
		        }else{
			         return FALSE;
		        }
	        },
  "url" => function($input){
          	if (preg_match("/^(http:\/\/|https:\/\/)+([a-zA-Z0-9\.\,\?\'\\/\+&amp;%\$#\=~_\-@\:]*)*$/", $input)){
        			return TRUE;
        		}else{
        			return FALSE;
        		}
        	},
  "name" => function($input){
          	if (preg_match("/^([A-Za-z\à\ù\ò\è\é\È\É\Ò\À\Ù\ì\í\Ì\Í\'\s])+$/", $input)){
        			return TRUE;
        		}else{
        			return FALSE;
        		}
        	},
  /** You get the idea **/
);
 
class phpSecurityClass
{
  public function __construct($dict)
  {
  $this->dict = $dict;
  }
 
  public function check($key, $value)
  {
  return $this->dict[$key]($value); /** You want to check if $key is a real key of the dict**/
  }
 
}
 
$a = new phpSecurityClass($dict);
$a->check("ftp", "lalala212`~12lal"); 
?>