3v4l.org

run code in 500+ PHP versions simultaneously
<?php class SomeClass { public ?int $value = null; public function run() { return isset($this->value); } public function compare() { return $this->value !== null; } } $someClass = new SomeClass(); var_dump($someClass->run()); var_dump($someClass->compare());

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)
8.5.30.0070.01219.36
8.5.20.0090.00820.03
8.5.10.0100.00719.39
8.5.00.0160.00619.78
8.4.180.0130.00919.63
8.4.170.0120.01220.35
8.4.160.0140.00920.63
8.4.150.0090.00416.80
8.4.140.0140.00717.47
8.4.130.0050.00518.57
8.4.120.0020.00818.72
8.4.110.0160.00318.94
8.4.100.0110.00917.69
8.4.90.0060.00220.76
8.4.80.0120.00920.69
8.4.70.0140.00619.03
8.4.60.0090.00820.74
8.4.50.0090.01120.46
8.4.40.0170.00322.14
8.4.30.0180.00022.03
8.4.20.0070.01319.54
8.4.10.0030.00622.19
8.3.300.0100.01219.25
8.3.290.0110.00920.82
8.3.280.0110.00918.12
8.3.270.0150.00416.54
8.3.260.0080.00716.47
8.3.250.0110.00818.45
8.3.240.0100.00916.71
8.3.230.0100.00916.54
8.3.220.0040.00519.11
8.3.210.0040.00416.50
8.3.200.0050.00316.48
8.3.190.0060.00317.34
8.3.180.0130.00618.90
8.3.170.0150.00316.95
8.3.160.0070.00718.34
8.3.150.0090.00616.43
8.3.140.0040.00416.66
8.3.130.0040.00418.34
8.3.120.0110.00018.88
8.3.110.0110.00020.94
8.3.100.0030.00616.48
8.3.90.0090.00626.77
8.3.80.0090.00317.97
8.3.70.0070.00718.27
8.3.60.0070.01118.50
8.3.50.0060.00916.56
8.3.40.0070.01021.90
8.3.30.0110.00418.54
8.3.20.0000.00724.18
8.3.10.0000.00724.66
8.3.00.0040.00426.16
8.2.300.0100.01020.29
8.2.290.0130.00617.36
8.2.280.0040.00318.45
8.2.270.0150.00316.43
8.2.260.0180.00017.20
8.2.250.0070.00717.12
8.2.240.0090.00917.29
8.2.230.0110.00422.58
8.2.220.0030.00624.06
8.2.210.0140.00326.77
8.2.200.0060.00318.54
8.2.190.0040.01116.58
8.2.180.0180.00416.75
8.2.170.0040.01118.96
8.2.160.0070.00722.96
8.2.150.0000.00725.66
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00419.66
8.2.110.0100.00022.11
8.2.100.0100.00317.72
8.2.90.0000.00717.63
8.2.80.0060.00318.79
8.2.70.0030.00617.50
8.2.60.0140.00517.25
8.2.50.0100.00817.19
8.2.40.0090.00717.25
8.2.30.0150.00317.30
8.2.20.0040.01217.17
8.2.10.0110.00517.25
8.2.00.0070.00817.56
8.1.340.0100.01121.79
8.1.330.0120.00716.29
8.1.320.0110.00116.27
8.1.310.0120.00616.50
8.1.300.0060.00316.28
8.1.290.0060.00330.84
8.1.280.0100.00725.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00720.96
8.1.230.0070.00417.70
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.25
8.1.190.0130.00316.99
8.1.180.0150.00116.99
8.1.170.0110.00617.13
8.1.160.0130.00316.93
8.1.150.0140.00416.98
8.1.140.0090.00717.11
8.1.130.0070.00817.36
8.1.120.0130.00517.31
8.1.110.0110.00517.05
8.1.100.0090.00817.11
8.1.90.0130.00317.11
8.1.80.0100.00717.17
8.1.70.0090.00617.06
8.1.60.0120.00517.44
8.1.50.0160.00217.30
8.1.40.0160.00317.38
8.1.30.0150.00417.44
8.1.20.0120.00717.31
8.1.10.0060.01217.19
8.1.00.0100.00717.25
8.0.300.0100.00018.77
8.0.290.0070.00016.63
8.0.280.0140.00616.52
8.0.270.0060.01116.52
8.0.260.0100.00716.56
8.0.250.0130.00416.52
8.0.240.0120.00516.62
8.0.230.0130.00416.57
8.0.220.0160.00016.63
8.0.210.0100.00716.52
8.0.200.0030.01316.62
8.0.190.0130.00516.52
8.0.180.0120.00516.60
8.0.170.0120.00516.57
8.0.160.0140.00316.63
8.0.150.0120.00616.52
8.0.140.0120.00516.52
8.0.130.0130.00316.52
8.0.120.0110.00616.57
8.0.110.0140.00216.52
8.0.100.0120.00516.57
8.0.90.0070.00916.52
8.0.80.0120.00416.56
8.0.70.0070.01016.52
8.0.60.0110.00516.57
8.0.50.0100.00616.52
8.0.30.0120.00416.52
8.0.20.0110.00516.52
8.0.10.0130.00416.63

preferences:
43.96 ms | 1098 KiB | 5 Q