3v4l.org

run code in 300+ PHP versions simultaneously
<?php function forums_fid() { if (!defined('FORUMS_FID')) { $GLOBALS['maktaba_fid'] = '14'; $GLOBALS['ask_question_fid'] = '9'; } define('FORUMS_FID', 1); } forums_fid(); echo $GLOBALS['maktaba_fid']; echo $GLOBALS['ask_question_fid'];

preferences:
64.42 ms | 402 KiB | 5 Q