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@ 2013-07-23T12:07:24Z

<?php

$x = 5;

function sub() {
    global $x;

    --$x;
}

sub(); var_dump($x);
sub(); var_dump($x);
sub(); var_dump($x);
sub(); var_dump($x);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

27.87 ms | 404 KiB | 5 Q