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@ 2015-03-16T16:46:48Z

<?php

$SESSION = [];

function a($name) {
    global $SESSION;
    
    $SESSION[$name] = $$name;
}

$a = 'abc';

a('a');

var_dump($SESSION);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

41.41 ms | 402 KiB | 5 Q