<?php
$itinerary = array (array('portName'=>'Day At Sea'), array('portName'=>'Moscow'), array('portName'=>'Jupiter'));
$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);
preferences:
30.84 ms | 402 KiB | 5 Q