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<?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, $item) use ($badPorts, $index){ if(!in_array($item['portName'], $badPorts)) $result[$index] = $item['portName']; $index++; return $result; }, array())); var_dump($image);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $index in /in/86pll on line 5 string(6) "Moscow"

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