3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ParentClass {} class Child extends ParentClass { public function foo(): ParentClass { return new parent(); } } var_dump((new Child())->foo());

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)
8.4.140.0100.01117.42
8.4.130.0130.00717.70
8.4.120.0080.00820.71
8.4.110.0120.00820.35
8.4.100.0090.01017.59
8.4.90.0120.00920.64
8.4.80.0140.00619.16
8.4.70.0140.00618.88
8.4.60.0130.01020.44
8.4.50.0130.00718.70
8.4.40.0150.00419.68
8.4.30.0160.00318.74
8.4.20.0140.00717.95
8.4.10.0090.00321.84
8.3.270.0120.00916.20
8.3.260.0110.00916.42
8.3.250.0120.00719.11
8.3.240.0100.00916.42
8.3.230.0050.00416.64
8.3.220.0090.00319.00
8.3.210.0110.00716.46
8.3.200.0070.00216.57
8.3.190.0110.00918.85
8.3.180.0060.00218.96
8.3.170.0070.01116.93
8.3.160.0100.00717.19
8.3.150.0130.00716.52
8.3.140.0080.00016.53
8.3.130.0000.00716.57
8.3.120.0080.00018.96
8.3.110.0000.00816.66
8.3.100.0030.00618.31
8.3.90.0000.00826.77
8.3.80.0060.00316.63
8.3.70.0180.00316.58
8.3.60.0040.01518.53
8.3.50.0210.00020.23
8.3.40.0130.00320.46
8.3.30.0110.00418.58
8.3.20.0040.00424.18
8.3.10.0090.00024.66
8.3.00.0040.00426.16
8.2.290.0110.00816.56
8.2.280.0090.01118.20
8.2.270.0100.01318.33
8.2.260.0070.01117.13
8.2.250.0110.00716.32
8.2.240.0000.00916.54
8.2.230.0050.00320.94
8.2.220.0110.00024.06
8.2.210.0040.00426.77
8.2.200.0060.00316.38
8.2.190.0150.00318.06
8.2.180.0060.01025.92
8.2.170.0070.00718.96
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0030.00722.07
8.2.100.0090.00317.50
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.90
8.2.50.0040.00418.07
8.2.40.0060.00318.22
8.2.30.0000.00718.00
8.2.20.0040.00419.00
8.2.10.0040.00417.93
8.2.00.0000.00819.11
8.1.330.0100.00921.75
8.1.320.0110.00915.79
8.1.310.0040.00418.44
8.1.300.0080.00017.90
8.1.290.0060.00330.84
8.1.280.0070.00725.92
8.1.270.0040.00424.66
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.00921.07
8.1.230.0040.00817.42
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0030.00517.10
8.1.180.0000.00818.10
8.1.170.0030.00618.45
8.1.160.0070.00018.72
8.1.150.0000.00818.51
8.1.140.0000.00717.31
8.1.130.0030.00318.83
8.1.120.0030.00317.25
8.1.110.0030.00617.32
8.1.100.0040.00417.25
8.1.90.0030.00617.30
8.1.80.0040.00417.21
8.1.70.0050.00317.25
8.1.60.0050.00517.40
8.1.50.0050.00517.50
8.1.40.0060.00617.50
8.1.30.0090.00917.49
8.1.20.0190.00217.52
8.1.10.0160.00317.25
8.1.00.0100.01017.37
8.0.300.0000.00818.77
8.0.290.0000.00816.58
8.0.280.0030.00318.38
8.0.270.0000.00716.77
8.0.260.0070.00018.24
8.0.250.0080.00016.80
8.0.240.0000.00616.78
8.0.230.0150.00216.74
8.0.220.0130.00316.70
8.0.210.0160.00016.71
8.0.200.0070.00716.79
8.0.190.0120.00416.86
8.0.180.0110.00716.84
8.0.170.0070.01016.88
8.0.160.0170.00016.90
8.0.150.0130.00316.83
8.0.140.0120.00516.67
8.0.130.0190.00016.62
8.0.120.0230.00016.93
8.0.110.0170.00916.72
8.0.100.0140.00216.84
8.0.90.0130.00616.71
8.0.80.0100.00716.79
8.0.70.0060.01116.67
8.0.60.0130.00316.74
8.0.50.0100.00716.77
8.0.30.0110.00516.64
8.0.20.0110.00616.81
8.0.10.0160.00016.91
7.4.330.0050.00015.55
7.4.320.0040.00416.48
7.4.300.0150.00216.43
7.4.290.0130.00616.52
7.4.280.0150.00416.38
7.4.270.0110.00616.36
7.4.260.0120.00616.53
7.4.250.0160.00316.41
7.4.240.0120.00416.44
7.4.230.0130.00416.46
7.4.220.0100.00716.47
7.4.210.0100.00516.43
7.4.200.0120.00316.32
7.4.190.0100.00516.55
7.4.180.0080.00816.48
7.4.160.0150.00016.62
7.4.150.0080.00816.42
7.4.140.0130.00316.30
7.4.130.0130.00316.20
7.4.120.0150.00216.34
7.4.110.0110.00516.18
7.4.100.0150.00016.30
7.4.90.0000.00816.41
7.4.80.0080.00016.25
7.4.70.0040.00416.21
7.4.60.0030.00516.32
7.4.50.0040.00416.21
7.4.40.0040.00416.13
7.4.30.0000.00716.23
7.4.20.0000.00716.34
7.4.10.0000.00716.20
7.4.00.0050.00816.32

preferences:
35.15 ms | 403 KiB | 5 Q