Online PHP editor | rfc for lBITW

<?php function setSessionTestingData() { $agent = new Agent(); $ticket = new Ticket(); $_SESSION = array( 'agent_id' => '2', 'ticket_id' => '3', 'agent' => $agent, 'ticket' => $ticket, 'sub_array' => array( 'sub' => 4, 'agent' => $agent, 'ticket' => $ticket, ), ); return $_SESSION; } function getKey($session_key, $is_object_of_type = null) { $current_key = ''; $counter = 0; try { $session_keys_array = explode(':', $session_key); //checking if keys and value exist foreach ($session_keys_array as $key) { $counter++; $current_key .= '[\'' . $key . '\']'; if (!$_SESSION) { throw new Exception("\$_SESSION does not Exist"); } $prev_step = $_SESSION; if (array_key_exists($key, $prev_step) && count($session_keys_array) > $counter) { eval('$prevStep = $_SESSION' . $current_key . ';'); if (!is_array($prev_step) && count($session_keys_array) > $counter) { throw new Exception ("\$_SESSION$current_key is not an array"); } } else if ( is_array($prev_step) && eval('array_key_exists($_SESSION' . $current_key . ');') && count($session_keys_array) == $counter ) { eval('$result = $_SESSION' . $current_key . ';'); } else { throw new Exception("\$_SESSION$current_key does not Exist"); } } //checking if value is of right type if (!empty($is_object_of_type) && !$result instanceof $is_object_of_type) { throw new Exception("\$_SESSION$current_key is not instance of $is_object_of_type"); } //if we are here that means we have all safe data } catch(Exception $e) { //TODO:change Exception to SessionException and log this $result = null; } return $result; } $_SESSION = setSessionTestingData(); echo getKey($session_key);

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