3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = {"aasd": 0}; var_dump(is_object(json_decode($a))); ?>

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)
7.1.70.0030.01016.68

preferences:
141.85 ms | 1386 KiB | 7 Q