Online PHP editor | output for pGXq8

<?php $itinerary = array (array('portName'=>'Day At Sea'), array('portName'=>'Moscow')); $badPorts = array('At Sea', 'Day At Sea', 'Cruising The Mediterranean Sea'); $image = ''; $index = 0; $image .= implode(',', array_reduce($itinerary, function ($result, $item) use ($badPorts, &$index){ if(!in_array($item['portName'], $badPorts)) $result[$index] = $item['portName']; $index++; return $result; }, array())); var_dump($image); $image2 = ''; array_walk($itinerary, function($item, $index) use(&$image2, $badPorts){ if(!in_array($item['portName'], $badPorts)) $image2 += $index.":".$item['portName']; +}); var_dump($image2);