3v4l.org

run code in 300+ PHP versions simultaneously
<?php class GetContactDto { protected int $count; public function getCount(): int { return $this->count ?? 0; } } var_dump((new GetContactDto)->getCount());

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)
8.3.90.0090.00926.77
8.3.80.0060.00318.30
8.3.70.0270.01018.14
8.3.60.0440.00717.97
8.3.50.0100.01018.43
8.3.40.0310.00717.97
8.3.30.0240.00717.97
8.3.20.0210.00617.97
8.3.10.0220.00617.97
8.3.00.0210.01017.97
8.2.210.0140.00326.77
8.2.200.0060.00316.50
8.2.190.0250.00817.97
8.2.180.0280.00617.97
8.2.170.0330.00817.97
8.2.160.0330.00517.97
8.2.150.0280.00617.97
8.2.140.0220.00517.97
8.2.130.0160.01217.97
8.2.120.0300.00817.97
8.2.110.0290.01117.97
8.2.100.0280.00917.97
8.2.90.0270.00417.97
8.2.80.0150.00917.97
8.2.70.0190.00817.97
8.2.60.0240.00617.97
8.2.50.0320.00517.97
8.2.40.0190.00817.97
8.2.30.0220.00617.97
8.2.20.0230.00717.97
8.2.10.0290.00917.97
8.2.00.0330.00817.97
8.1.290.0060.00630.84
8.1.280.0330.01217.97
8.1.270.0450.00517.97
8.1.260.0380.00817.97
8.1.250.0320.00517.97
8.1.240.0210.01017.97
8.1.230.0250.00817.97
8.1.220.0210.01117.97
8.1.210.0310.00517.97
8.1.200.0240.00817.97
8.1.190.0200.01017.97
8.1.180.0280.00017.97
8.1.170.0270.00217.97
8.1.160.0240.00317.97
8.1.150.0270.00517.97
8.1.140.0280.00817.97
8.1.130.0250.00317.97
8.1.120.0210.01117.97
8.1.110.0230.00917.97
8.1.100.0240.00817.97
8.1.90.0180.01617.97
8.1.80.0210.01017.97
8.1.70.0230.00517.97
8.1.60.0270.00817.97
8.1.50.0310.00517.97
8.1.40.0280.00917.97
8.1.30.0220.00617.97
8.1.20.0300.00217.97
8.1.10.0220.00817.97
8.1.00.0250.00817.97
preferences:
17.63 ms | 401 KiB | 5 Q