3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace App\Data; class Null { /** * @var null|string */ private $objectId; }

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)
7.1.30.0230.00734.22
7.1.20.0270.01034.34
7.1.10.1600.01014.35
7.1.00.0030.01016.09
7.0.170.0070.01015.99
7.0.160.0100.01016.11
7.0.150.1170.01014.31
7.0.140.0030.01016.18
7.0.130.0070.01016.19
7.0.120.0030.01316.41
7.0.110.0030.01716.24
7.0.100.0000.01315.99
7.0.90.0070.01016.00
7.0.80.0030.01716.27
7.0.70.0030.01316.03
7.0.60.0100.00716.04
7.0.50.0070.00716.04
7.0.40.0100.01716.29
7.0.30.0070.01716.30
7.0.20.0070.01016.22
7.0.10.0070.01716.10
7.0.00.0030.01316.10

preferences:
139.55 ms | 1394 KiB | 7 Q