3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo( [0 => 'admin', 0 => 'oloco'] === ['admin', 'oloco'] ? 1 : 0); echo( [0 => 'admin', 0 => 'oloco'][0] != 'admin' ? 1 : 0); echo((int) 'admin');
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
010

preferences:
153.17 ms | 403 KiB | 158 Q