3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function m(): ?int {} } class MyA extends A { public function m(): int {} }

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)
8.4.120.0130.00622.30
8.4.110.0120.00719.13
8.4.100.0100.01017.55
8.4.90.0140.00820.57
8.4.80.0110.00718.56
8.4.70.0140.00618.98
8.4.60.0110.00920.56
8.4.50.0090.00820.18
8.4.40.0200.00017.06
8.4.30.0170.00418.38
8.4.20.0080.00318.81
8.4.10.0170.00319.40
8.3.250.0080.00918.67
8.3.240.0140.00516.21
8.3.230.0100.00916.38
8.3.220.0040.00318.70
8.3.210.0100.00716.49
8.3.200.0040.00416.38
8.3.190.0100.00517.22
8.3.180.0070.00216.52
8.3.170.0120.00618.86
8.3.160.0090.00917.11
8.3.150.0070.01116.52
8.3.140.0050.00317.04
8.3.130.0050.00518.39
8.3.120.0120.00418.64
8.3.110.0090.00620.94
8.3.100.0070.00316.56
8.3.90.0120.00326.77
8.3.80.0060.00316.51
8.3.70.0070.00716.58
8.3.60.0120.00616.50
8.3.50.0100.00719.61
8.3.40.0070.00723.79
8.3.30.0070.00718.46
8.3.20.0070.00024.18
8.3.10.0050.00224.66
8.3.00.0080.00026.16
8.2.290.0110.00820.29
8.2.280.0090.00618.24
8.2.270.0110.00716.39
8.2.260.0040.00416.50
8.2.250.0070.01118.22
8.2.240.0030.00618.70
8.2.230.0100.00722.58
8.2.220.0120.00424.06
8.2.210.0050.00326.77
8.2.200.0080.00016.63
8.2.190.0110.01116.58
8.2.180.0070.00725.92
8.2.170.0090.00618.66
8.2.160.0110.00422.96
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0050.00326.16
8.2.110.0090.00020.38
8.2.100.0080.00317.66
8.2.90.0050.00317.38
8.2.80.0030.00618.31
8.2.70.0040.00417.50
8.2.60.0000.00817.50
8.2.50.0080.00017.98
8.2.40.0040.00417.72
8.2.30.0040.00417.56
8.2.20.0000.00720.30
8.2.10.0000.00717.49
8.2.00.0040.00419.16
8.1.330.0120.00616.74
8.1.320.0100.01117.73
8.1.310.0080.00016.09
8.1.300.0080.00020.02
8.1.290.0060.00330.84
8.1.280.0140.00325.92
8.1.270.0030.00623.59
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.00323.86
8.1.230.0030.00821.03
8.1.220.0040.00418.42
8.1.210.0030.00518.77
8.1.200.0060.00317.10
8.1.190.0040.00416.97
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0040.00418.76
8.1.150.0060.00318.52
8.1.140.0050.00317.39
8.1.130.0000.00718.71
8.1.120.0030.00517.36
8.1.110.0040.00417.31
8.1.100.0030.00317.32
8.1.90.0000.00717.20
8.1.80.0060.00517.29
8.1.70.0080.00017.33
8.1.60.0000.00917.39
8.1.50.0040.00417.34
8.1.40.0060.00317.22
8.1.30.0000.00817.58
8.1.20.0030.00617.51
8.1.10.0040.00417.34
8.1.00.0040.00417.20
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0070.00018.27
8.0.270.0080.00016.64
8.0.260.0000.00618.32
8.0.250.0070.00016.84
8.0.240.0060.00316.71
8.0.230.0040.00416.84
8.0.220.0070.00016.77
8.0.210.0040.00416.63
8.0.200.0040.00416.77
8.0.190.0000.00716.73
8.0.180.0030.00316.81
8.0.170.0040.00416.85
8.0.160.0000.00916.76
8.0.150.0000.00816.73
8.0.140.0040.00416.72
8.0.130.0060.00616.72
8.0.120.0090.00316.53
8.0.110.0070.00516.69
8.0.100.0160.00416.66
8.0.90.0030.01016.74
8.0.80.0090.00316.77
8.0.70.0070.00716.66
8.0.60.0190.00016.77
8.0.50.0190.00016.67
8.0.30.0060.01316.57
8.0.20.0200.00016.86
8.0.10.0100.01016.84
8.0.00.0030.00616.90
7.4.330.0050.00015.55
7.4.320.0000.00716.37
7.4.300.0030.00316.38
7.4.290.0030.00316.28
7.4.280.0040.00416.30
7.4.270.0000.00716.34
7.4.260.0180.00416.42
7.4.250.0230.00016.27
7.4.240.0190.00316.46
7.4.230.0180.00416.29
7.4.220.0110.00716.30
7.4.210.0140.00516.38
7.4.200.0150.00316.35
7.4.190.0150.00316.41
7.4.180.0070.01116.48
7.4.160.0130.00516.41
7.4.150.0200.00016.39
7.4.140.0080.01116.42
7.4.130.0060.01216.25
7.4.120.0100.00716.34
7.4.110.0140.00416.26
7.4.100.0150.00316.28
7.4.90.0140.00416.23
7.4.80.0120.00616.33
7.4.70.0090.00916.21
7.4.60.0180.00016.27
7.4.50.0090.00916.03
7.4.40.0130.00416.08
7.4.30.0100.00716.14
7.4.20.0150.00016.22
7.4.10.0180.00016.23
7.4.00.0170.00016.34
7.3.330.0090.00916.13
7.3.320.0150.00516.07
7.3.310.0090.00916.17
7.3.300.0090.00916.15
7.3.290.0150.00316.18
7.3.280.0140.00416.20
7.3.270.0180.00216.00
7.3.260.0160.00616.01
7.3.250.0200.00016.17
7.3.240.0210.00016.26
7.3.230.0150.00516.10
7.3.220.0090.00415.98
7.3.210.0100.00516.13
7.3.200.0080.00716.14
7.3.190.0090.00616.02
7.3.180.0060.00716.14
7.3.170.0110.00315.93
7.3.160.0120.00316.12
7.3.150.0060.00316.12
7.3.140.0070.00015.95
7.3.130.0000.00716.10

preferences:
16.55 ms | 403 KiB | 5 Q