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@ 2015-05-16T11:06:32Z

<?php

$a = 'a';
$b = &$a;
unset($b);
var_dump($a);

$a = 'a';
$b = &$a;
$b = NULL;
var_dump($a);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

21.94 ms | 475 KiB | 4 Q