3v4l.org

run code in 300+ PHP versions simultaneously
<?php $expire = 1; $expire = $expire === -1 ? 2524647600 : $expire += time(); echo $expire;
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, 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 - 7.1.5, 7.1.7 - 7.1.25, 7.2.0 - 7.2.2, 7.2.4 - 7.2.9, 7.2.11 - 7.2.13, 7.3.0 - 7.3.1
1390269538
Output for 7.1.6, 7.2.3, 7.2.10
1390269539
preferences:
170.95 ms | 401 KiB | 234 Q