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@ 2017-10-07T07:36:41Z

<?php
    @session_id('foobar');
    @session_id('');
    var_dump(session_id());
?>

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
session_id: documentation ( source)

preferences:dark modelive preview

46.46 ms | 402 KiB | 5 Q