3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json =<<<JSON { date: "2017-11-27 17:59:59.000000", timezone_type: 1, timezone: "+01:00" } JSON; echo $json;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.1.60.0250.01433.11

preferences:
139.2 ms | 1394 KiB | 7 Q