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@ 2014-03-11T11:13:22Z

<?php

$a = array('abc' => 'ABC', 'xyz' => 'XYZ');
$b = array('none' => 'Please select…');

var_dump($a, $b);

var_dump($a + $b, $b + $a);

Output
Performance
VLD
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var_dump: documentation ( source)

preferences:dark modelive preview

58.19 ms | 402 KiB | 5 Q