Online PHP editor | output for LSGaD

<?php class Recursion { private static function printArray() { print_r(self::$array); } public static function recursionInitiatorParent($information, $list) { self::$array = $information; self::$keylist = $list; $keywords = explode(",", self::$keylist); echo "Before: \n\n"; self::printArray(); foreach($keywords as $key) self::recursionInitiator($key); echo "\n======================================= \n\n"; self::printArray(); } private static function recursionInitiator($key) { } private static $asterisk = "**"; private static $array; private static $keylist; } $information = array("login" => "someUsername", "password" => "somePassword", "card_pin"=>"card_1234", "pin"=>"pin_356", "iin" => "iin_123", "shipping" => array("telephone" => "telephone_998"), "cardnumber" => "card_number_876", "customer_id" => "customer_654"); $list = "telephone,iin"; Recursion::recursionInitiatorParent($information, $list);