3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); if($_SERVER['REMOTE_ADDR'] != "85.113.227.53"){ die("404"); } ?>
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "REMOTE_ADDR" in /in/u3FRl on line 3 404

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