Online PHP editor | rfc for KBmA3

@ 2015-11-10T09:14:55Z

<?php

class RecursionImplementation
{
    public static function recursionInitiator($array, $keylist)
    {
        self::$keys = explode(",", $keylist);
        
        if(is_null(self::keys) || count(self::$keys) == 0)
            return $array;
        
        $array = self::recursion($array);
        return $array;
    } 

    private static function recursion($array)
    {
        $all_keys = array_keys($array);
        $intersection = array_intersect($all_keys, self::$keys);
        $difference = array_diff($all_keys, self::$keys);
        
        $number_of_intersecting_keys = count($intersection);
        $number_of_non_intersecting_keys = count($array) - $number_of_intersecting_keys;
        
        if($number_of_intersecting_keys + $number_of_non_intersecting_keys == 0)
            return;
        
        if($number_of_intersecting_keys >= 1)
        {
            foreach($intersection as $key)
            {
                unset($array[$key]);
                $array[$key] = self::$asterisk;
            }
        }
        
        if($number_of_non_intersecting_keys >= 1)
        {
            foreach($difference as $key)
            {
                if(is_array($array[$key]))
                {
                    $value = self::recursion($array[$key]);
                    unset($array[$key]);
                    $array[$key] = $value;
                }  
            }
        }
        
        return $array;
    }

    private static $keys;
    private static $asterisk = "**";
}

$information = array("login" => "someUsername",
        "password" => "somePassword",
        "card_pin"=>"card_1234",
        "pin"=>"pin_356",
        "iin" => "iin_123",
        "shipping" => array("value" => array("telephone" => array("inner_value" => "telephone_998"))),
        "cardnumber" => "card_number_876",
        "customer_id" => "customer_654",
        "telephone" => "someOtherTelephoneNumber555");
$list = "telephone,login";

print_r($information);
echo "\n\n";
$final_array = RecursionImplementation::recursionInitiator($information, $list);
print_r($final_array);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [login] => someUsername [password] => somePassword [card_pin] => card_1234 [pin] => pin_356 [iin] => iin_123 [shipping] => Array ( [value] => Array ( [telephone] => Array ( [inner_value] => telephone_998 ) ) ) [cardnumber] => card_number_876 [customer_id] => customer_654 [telephone] => someOtherTelephoneNumber555 ) Fatal error: Uncaught Error: Undefined constant RecursionImplementation::keys in /in/KBmA3:9 Stack trace: #0 /in/KBmA3(70): RecursionImplementation::recursionInitiator(Array, 'telephone,login') #1 {main} thrown in /in/KBmA3 on line 9
Process exited with code 255.

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