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@ 2015-10-16T16:41:46Z

<?php

class Test
{
    function __construct(){echo 'a';}
}
${INF} = 'a';
// new ${!${''}='Test'};
var_dump(${-INF});

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

34.41 ms | 402 KiB | 5 Q