3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo date('d-m-Y') . "\n"; echo $_SERVER['REMOTE_ADDR'] . "\n"; echo strtolower(md5('--' . $_SERVER['REMOTE_ADDR'] . date('d-m-Y') . '--'));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
21-10-2014 Warning: Undefined array key "REMOTE_ADDR" in /in/r9nNJ on line 3 Warning: Undefined array key "REMOTE_ADDR" in /in/r9nNJ on line 4 b8e508af03497e5e5af193dc6682a67f
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
21-10-2014 Notice: Undefined index: REMOTE_ADDR in /in/r9nNJ on line 3 Notice: Undefined index: REMOTE_ADDR in /in/r9nNJ on line 4 b8e508af03497e5e5af193dc6682a67f
Output for 7.3.32 - 7.3.33
21-10-2014 b8e508af03497e5e5af193dc6682a67f
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
21-10-2014 Notice: Undefined index: REMOTE_ADDR in /in/r9nNJ on line 3 Notice: Undefined index: REMOTE_ADDR in /in/r9nNJ on line 4 b8e508af03497e5e5af193dc6682a67f
preferences:
224.74 ms | 403 KiB | 353 Q