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@ 2016-02-26T11:51:28Z

<?php declare(strict_types = 1);

const INITIAL_STATE = [1, 1];

function &__globalState(): array
{
    static $state = INITIAL_STATE;
    return $state;
}

function test()
{
    $state = __globalState();
    $state[0]++;
}

test();
test();

var_dump(__globalState());

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

24.21 ms | 404 KiB | 5 Q