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@ 2015-03-24T16:12:32Z

<?php

$store = array();

function addto($x) {
    global $store;
    $store[$x] = 1;
}

addto('foo');
addto('bar');

var_dump($store);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

44.82 ms | 402 KiB | 5 Q