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@ 2013-03-22T07:29:27Z

<?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);

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: string(6) "Moscow" string(8) "1:Moscow"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/jTdSj on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION in /in/jTdSj on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/jTdSj on line 6
Process exited with code 255.

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