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@ 2014-06-13T09:52:41Z

<?php

$array = array(NULL => 1, 'BLA' => 3);
print_r($array);
$array[NULL] = 2;
print_r($array);

Output
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print_r: documentation ( source)

preferences:dark modelive preview

35.27 ms | 402 KiB | 5 Q