<?php
$itinerary = array (array('portName'=>'Day At Sea'), array('portName'=>'Moscow'));
$badPorts = array('At Sea', 'Day At Sea', 'Cruising The Mediterranean Sea');
$image = '';
$image .= implode(',', array_reduce($itinerary, function ($result, $item){
if(!in_array($item['portName'], array('At Sea', 'Day At Sea', 'Cruising The Mediterranean Sea'))) $result[] = $item['portName'];
//$index++;
return $result;
}, array()));
var_dump($image);
preferences:
38.15 ms | 402 KiB | 5 Q