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@ 2013-05-15T09:00:45Z

<?php

$a = '1234';
$b = '34564';

$z[1] = &$a;
$z[1] = &$b;

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

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

33.72 ms | 402 KiB | 5 Q