3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = bin2hex(random_bytes(32)); $data = [ 'b' => 1234, 'a' => 5678, $key => 9 ]; var_dump($data == json_decode(json_encode($data), true));

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27.42 ms | 408 KiB | 5 Q