3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo sprintf('%d%%', (hexdec('e3')/hexdec('ff')) * 100);
Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
89%

preferences:
196.44 ms | 403 KiB | 238 Q