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@ 2016-05-10T05:48:21Z

<?php
function a(int &$v){
    call_user_func_array('b',func_get_args());
}
function b(int &$v){
    $v=9;
}
$v=0;
a($v);
var_dump($v);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

118.82 ms | 404 KiB | 5 Q