3v4l.org

run code in 300+ PHP versions simultaneously
<?php $seconds = null; // 例如，3661秒 $time = gmdate("H:i:s", $seconds); echo $time; // 输出格式如：01:01:01
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
06:59:16
preferences:
83.46 ms | 402 KiB | 61 Q