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@ 2016-01-21T13:47:38Z

<?php

$a=[5];
$a[]=$a;


var_dump($a);
print_r($a);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

37.86 ms | 402 KiB | 5 Q