3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1 === 1 ? 'A' : 'unknown'; // is the same as $a = 'unknown'; if (1 === 1) { $a = 'A'; } // or also same as if (1 === 1) { $a = 'A'; } else { $a = 'unknown'; }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14

preferences:
153.81 ms | 407 KiB | 5 Q