Output is in seconds. convert to hh:mm:ss format in php

Question

1. My output is in the format of 290.52262423327 seconds. How can i change this to 00:04:51?

2. The same output i want to show in seconds and in HH:MM:SS

Answer 1

Numero uno... http://www.ckorp.net/sec2time.php (use this function)

Numero duo... echo round(290.52262423327,2);