3v4l.org

run code in 300+ PHP versions simultaneously
<?hh function foo() : ?string{ return null; } var_dump(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)
8.3.60.0040.01118.18
8.3.50.0110.00821.09
8.3.40.0070.00718.71
8.3.30.0140.00018.84
8.3.20.0050.00220.16
8.3.10.0040.00423.47
8.3.00.0040.00419.25
8.2.180.0090.00616.50
8.2.170.0100.00322.96
8.2.160.0100.00320.34
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0030.00619.41
8.2.110.0060.00320.58
8.2.100.0080.00417.50
8.2.90.0060.00318.91
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0000.00717.79
8.2.50.0080.00018.07
8.2.40.0080.00018.03
8.2.30.0030.00517.80
8.2.20.0040.00417.58
8.2.10.0040.00417.92
8.2.00.0050.00317.55
8.1.280.0060.00925.92
8.1.270.0000.00822.10
8.1.260.0000.00726.35
8.1.250.0030.01028.09
8.1.240.0070.00422.32
8.1.230.0130.00019.00
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0040.00817.10
8.1.190.0030.00617.10
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0070.00021.94
8.1.150.0000.00718.68
8.1.140.0050.00217.22
8.1.130.0070.00017.75
8.1.120.0030.00317.31
8.1.110.0000.00717.21
8.1.100.0000.00717.19
8.1.90.0050.00217.35
8.1.80.0040.00417.27
8.1.70.0030.00317.25
8.1.60.0000.00817.32
8.1.50.0000.00717.27
8.1.40.0040.00417.22
8.1.30.0050.00317.57
8.1.20.0050.00217.51
8.1.10.0040.00417.39
8.1.00.0020.00517.34
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.35
8.0.270.0030.00317.11
8.0.260.0000.00717.18
8.0.250.0000.00616.84
8.0.240.0030.00316.77
8.0.230.0000.00716.80
8.0.220.0000.00716.65
8.0.210.0030.00316.63
8.0.200.0030.00316.82
8.0.190.0050.00316.70
8.0.180.0070.00016.81
8.0.170.0000.00816.76
8.0.160.0000.00716.69
8.0.150.0040.00416.75
8.0.140.0000.00716.60
8.0.130.0070.00013.39
8.0.120.0000.00916.63
8.0.110.0040.00416.73
8.0.100.0050.00216.63
8.0.90.0000.00816.62
8.0.80.0030.01216.70
8.0.70.0040.00416.75
8.0.60.0040.00416.63
8.0.50.0070.00016.61
8.0.30.0140.00916.91
8.0.20.0080.01017.40
8.0.10.0040.00416.83
8.0.00.0090.00916.56
7.4.330.0050.00015.20
7.4.320.0060.00016.45
7.4.300.0030.00316.50
7.4.290.0000.00716.44
7.4.280.0070.00016.36
7.4.270.0070.00016.50
7.4.260.0000.00716.36
7.4.250.0040.00416.43
7.4.240.0050.00216.39
7.4.230.0030.00316.43
7.4.220.0190.00716.23
7.4.210.0040.01116.39
7.4.200.0070.00016.16
7.4.160.0060.00916.57
7.4.150.0150.00317.40
7.4.140.0200.00717.86
7.4.130.0100.00716.34
7.4.120.0080.01016.44
7.4.110.0100.00716.25
7.4.100.0170.00016.51
7.4.90.0080.00816.43
7.4.80.0040.01219.39
7.4.70.0150.00316.32
7.4.60.0160.00016.28
7.4.50.0040.00416.37
7.4.40.0060.01016.57
7.4.30.0150.00316.39
7.3.330.0050.00013.14
7.3.320.0020.00213.10
7.3.310.0030.00316.09
7.3.300.0030.00316.14
7.3.290.0050.00916.10
7.3.280.0100.00616.12
7.3.270.0120.00617.40
7.3.260.0060.01116.20
7.3.250.0100.01016.35
7.3.240.0100.00616.16
7.3.230.0000.01616.47
7.3.210.0110.00716.39
7.3.200.0070.01519.39
7.3.190.0060.01216.35
7.3.180.0030.01316.41
7.3.170.0110.01116.27
7.3.160.0130.00316.46
7.2.330.0150.00316.65
7.2.320.0030.01316.48
7.2.310.0080.00816.50
7.2.300.0080.00816.13
7.2.290.0130.01016.46
5.4.340.0040.03612.01
5.4.320.0040.03712.45
5.4.310.0050.04012.45
5.4.300.0050.03812.45
5.4.290.0080.04012.45
5.4.280.0080.03812.35
5.4.270.0060.03612.35
5.4.260.0070.03612.35
5.4.250.0060.03712.34
5.4.240.0040.03712.34
5.4.230.0040.03812.34
5.4.220.0070.03512.34
5.4.210.0080.03412.34
5.4.200.0060.04212.34
5.4.190.0060.04212.33
5.4.180.0080.03612.33
5.4.170.0060.04112.35
5.4.160.0070.03512.34
5.4.150.0060.03612.34
5.4.140.0080.03712.02
5.4.130.0040.03812.01
5.4.120.0050.03511.96
5.4.110.0050.04011.96
5.4.100.0040.03711.97
5.4.90.0090.03611.96
5.4.80.0060.03711.96
5.4.70.0060.04011.96
5.4.60.0080.03311.96
5.4.50.0060.03511.96
5.4.40.0030.04211.95
5.4.30.0050.03611.95
5.4.20.0040.03711.95
5.4.10.0070.04411.94
5.4.00.0070.03411.43

preferences:
50.02 ms | 401 KiB | 5 Q