3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(?array $a = null): ?array { return null; } 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)
8.5.30.0050.01217.56
8.5.20.0090.01019.79
8.5.10.0110.01018.36
8.5.00.0120.00919.95
8.4.180.0100.01319.66
8.4.170.0150.00720.55
8.4.160.0140.00722.25
8.4.150.0090.00316.89
8.4.140.0130.00817.48
8.4.130.0110.00717.60
8.4.120.0160.00524.14
8.4.110.0130.00722.33
8.4.100.0020.00618.93
8.4.90.0080.00918.63
8.4.80.0150.00620.38
8.4.70.0120.00917.66
8.4.60.0060.01618.75
8.4.50.0130.00820.34
8.4.40.0200.00017.61
8.4.30.0070.00720.18
8.4.20.0140.00717.44
8.4.10.0050.00520.73
8.3.300.0090.01220.75
8.3.290.0100.01020.82
8.3.280.0150.00618.15
8.3.270.0140.00616.64
8.3.260.0090.01116.18
8.3.250.0070.00118.95
8.3.240.0110.00817.16
8.3.230.0130.00718.68
8.3.220.0110.00618.97
8.3.210.0020.00516.50
8.3.200.0110.00916.46
8.3.190.0110.00817.10
8.3.180.0120.00818.87
8.3.170.0060.01518.77
8.3.160.0100.00316.46
8.3.150.0190.00017.20
8.3.140.0000.00716.67
8.3.130.0080.00018.39
8.3.120.0050.00520.67
8.3.110.0150.00316.65
8.3.100.0070.00318.25
8.3.90.0140.00726.77
8.3.80.0030.00619.36
8.3.70.0110.00416.58
8.3.60.0150.00616.50
8.3.50.0100.00924.56
8.3.40.0140.00720.20
8.3.30.0090.00618.51
8.3.20.0000.00824.18
8.3.10.0040.00424.66
8.3.00.0050.00226.16
8.2.300.0110.01022.06
8.2.290.0140.00420.32
8.2.280.0030.00518.09
8.2.270.0070.01116.73
8.2.260.0110.00418.64
8.2.250.0040.01118.14
8.2.240.0060.00318.08
8.2.230.0040.00420.94
8.2.220.0060.00324.06
8.2.210.0110.00726.77
8.2.200.0030.00618.88
8.2.190.0070.01116.58
8.2.180.0040.01125.92
8.2.170.0100.00618.64
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00426.35
8.2.110.0090.00020.77
8.2.100.0060.00617.79
8.2.90.0000.00918.22
8.2.80.0000.00817.97
8.2.70.0090.00017.38
8.2.60.0040.00417.80
8.2.50.0090.00018.07
8.2.40.0040.00419.82
8.2.30.0000.00717.80
8.2.20.0040.00417.80
8.2.10.0030.00520.93
8.2.00.0040.00419.13
8.1.340.0120.00717.61
8.1.330.0110.00521.89
8.1.320.0120.00816.30
8.1.310.0040.00418.47
8.1.300.0140.00415.90
8.1.290.0030.00630.84
8.1.280.0100.01025.92
8.1.270.0080.00023.99
8.1.260.0050.00228.09
8.1.250.0070.00028.09
8.1.240.0040.00423.80
8.1.230.0030.00820.97
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0000.01117.23
8.1.190.0050.00316.97
8.1.180.0000.00918.10
8.1.170.0060.00318.59
8.1.160.0070.00018.69
8.1.150.0090.00018.77
8.1.140.0070.00018.85
8.1.130.0040.00417.22
8.1.120.0000.00717.30
8.1.110.0030.00617.15
8.1.100.0000.00817.33
8.1.90.0070.00017.20
8.1.80.0000.00917.24
8.1.70.0000.00717.24
8.1.60.0000.00817.33
8.1.50.0060.00317.34
8.1.40.0100.00317.39
8.1.30.0030.00517.56
8.1.20.0000.00817.55
8.1.10.0050.00317.37
8.1.00.0080.00017.32
8.0.300.0070.00019.98
8.0.290.0030.00516.58
8.0.280.0080.00018.24
8.0.270.0070.00017.90
8.0.260.0000.00716.66
8.0.250.0040.00416.78
8.0.240.0060.00016.86
8.0.230.0030.00316.75
8.0.220.0030.00316.80
8.0.210.0040.00416.68
8.0.200.0040.00416.73
8.0.190.0030.00516.88
8.0.180.0000.00816.75
8.0.170.0000.00916.75
8.0.160.0040.00716.69
8.0.150.0080.00016.70
8.0.140.0030.00316.77
8.0.130.0000.00613.18
8.0.120.0040.00416.75
8.0.110.0070.00016.77
8.0.100.0000.00716.66
8.0.90.0000.00716.62
8.0.80.0090.00816.70
8.0.70.0090.00016.79
8.0.60.0070.00016.77
8.0.50.0040.00416.62
8.0.30.0040.01317.14
8.0.20.0110.00617.04
8.0.10.0030.00516.83
8.0.00.0120.00616.85
7.4.330.0000.00515.55
7.4.320.0030.00316.32
7.4.300.0060.00016.43
7.4.290.0000.00716.43
7.4.280.0030.00516.46
7.4.270.0030.00616.50
7.4.260.0000.00513.31
7.4.250.0030.00616.38
7.4.240.0030.00316.57
7.4.230.0030.00316.42
7.4.220.0050.00216.44
7.4.210.0060.00816.40
7.4.200.0040.00416.59
7.4.130.0100.00816.33
7.4.120.0030.01416.38
7.4.110.0030.01616.32
7.4.100.0030.01416.40
7.4.90.0030.01316.33
7.4.80.0070.01016.16
7.4.70.0030.01316.54
7.4.60.0070.01016.29
7.4.50.0080.00816.25
7.4.40.0080.00816.54
7.4.30.0000.01716.52
7.4.20.0070.01416.22
7.4.10.0130.00316.27
7.4.00.0120.00616.32
7.3.330.0070.00016.25
7.3.320.0050.00013.16
7.3.310.0070.00016.32
7.3.300.0030.00316.25
7.3.290.0090.00616.24
7.3.260.0070.01016.19
7.3.230.0110.00616.57
7.3.220.0100.00716.07
7.3.210.0030.01316.29
7.3.200.0030.01416.29
7.3.190.0070.01016.21
7.3.180.0040.01216.20
7.3.170.0110.00416.48
7.3.160.0130.00316.23
7.3.150.0080.00816.36
7.3.140.0130.00316.39
7.3.130.0100.00616.51
7.3.120.0100.00716.45
7.3.110.0110.01116.43
7.3.100.0110.00716.53
7.3.90.0070.01016.21
7.3.80.0030.01316.33
7.3.70.0120.00616.13
7.3.60.0140.00316.30
7.3.50.0090.00916.42
7.3.40.0150.00316.26
7.3.30.0110.00616.35
7.3.20.0090.00916.48
7.3.10.0160.00816.32
7.3.00.0070.01016.21
7.2.330.0060.01016.37
7.2.320.0060.01016.36
7.2.310.0030.01316.55
7.2.300.0090.00916.60
7.2.290.0070.01116.59
7.2.280.0110.01116.53
7.2.270.0000.01716.46
7.2.260.0100.00716.29
7.2.250.0030.01316.45
7.2.240.0070.01016.49
7.2.230.0100.00716.23
7.2.220.0090.01216.25
7.2.210.0090.00916.57
7.2.200.0100.00716.34
7.2.190.0040.01316.43
7.2.180.0130.00716.48
7.2.170.0140.00316.29
7.2.160.0130.00316.50
7.2.150.0030.01716.47
7.2.140.0500.00916.30
7.2.130.0110.00716.40
7.2.120.0100.01316.45
7.2.110.0160.00316.67
7.2.100.0060.01416.59
7.2.90.0410.02516.34
7.2.80.0150.01516.29
7.2.70.0100.01616.34
7.2.60.0210.01216.36
7.2.50.0180.03716.38
7.2.40.0300.02116.44
7.2.30.0190.02216.53
7.2.20.0310.03716.36
7.2.10.0100.01016.29
7.2.00.0230.01016.31

preferences:
46.32 ms | 1464 KiB | 5 Q