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@ 2013-11-14T09:57:50Z

<?php

function foo(&$x) {var_dump($x);}
function bar($x){var_dump($x);}

bar($bar='test0');
var_dump($bar);
foo(@$foo='test1');
var_dump($foo);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

37.32 ms | 402 KiB | 5 Q