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@ 2017-07-06T20:50:42Z

<?php

function foo(&$http_response_header) {
    file_get_contents('http://www.example.com');
}

$x = null;
foo($x);

var_dump($x);

Output
Performance
VLD
References
Branches

file_get_contents: documentation ( source)
var_dump: documentation ( source)

preferences:dark modelive preview

39.27 ms | 402 KiB | 5 Q