3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{} function f(): ?\A { } f();

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)
8.3.60.0060.00918.18
8.3.50.0110.00416.51
8.3.40.0140.00418.57
8.3.30.0090.00618.85
8.3.20.0050.00319.11
8.3.10.0030.00523.48
8.3.00.0050.00323.58
8.2.180.0170.00318.54
8.2.170.0040.01222.96
8.2.160.0110.00318.91
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0090.00020.52
8.2.120.0070.00026.35
8.2.110.0070.00322.02
8.2.100.0040.00717.84
8.2.90.0080.00019.13
8.2.80.0060.00317.97
8.2.70.0040.00418.04
8.2.60.0090.00017.80
8.2.50.0040.00418.10
8.2.40.0080.00020.90
8.2.30.0030.00519.18
8.2.20.0000.00717.87
8.2.10.0070.00019.42
8.2.00.0040.00419.34
8.1.280.0120.00325.92
8.1.270.0090.00020.38
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00620.64
8.1.230.0110.00017.64
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00418.82
8.1.160.0040.00418.66
8.1.150.0040.00418.82
8.1.140.0000.00719.50
8.1.130.0000.00818.98
8.1.120.0000.00717.22
8.1.110.0040.00417.21
8.1.100.0000.00717.21
8.1.90.0040.00417.22
8.1.80.0050.00217.25
8.1.70.0000.00717.37
8.1.60.0040.00417.46
8.1.50.0050.00317.33
8.1.40.0040.00417.50
8.1.30.0000.01217.43
8.1.20.0080.00017.57
8.1.10.0000.00717.52
8.1.00.0000.00817.45
8.0.300.0070.00018.77
8.0.290.0060.00316.75
8.0.280.0070.00018.38
8.0.270.0040.00417.06
8.0.260.0000.00717.25
8.0.250.0030.00316.89
8.0.240.0000.00717.02
8.0.230.0000.00916.84
8.0.220.0000.00716.75
8.0.210.0000.00716.89
8.0.200.0000.00616.84
8.0.190.0050.00316.97
8.0.180.0080.00016.77
8.0.170.0050.00316.79
8.0.160.0000.00716.79
8.0.150.0030.00516.93
8.0.140.0080.00016.90
8.0.130.0000.00513.30
8.0.120.0040.00416.89
8.0.110.0030.00616.78
8.0.100.0040.00416.85
8.0.90.0070.00016.90
8.0.80.0090.00916.87
8.0.70.0000.00716.82
8.0.60.0030.00516.95
8.0.50.0080.00016.90
8.0.30.0090.00917.07
8.0.20.0150.00917.40
8.0.10.0040.00417.00
8.0.00.0120.00716.69
7.4.330.0040.00015.55
7.4.320.0090.00016.38
7.4.300.0030.00316.41
7.4.290.0030.00316.48
7.4.280.0040.00416.51
7.4.270.0070.00016.49
7.4.260.0030.00316.48
7.4.250.0030.00316.47
7.4.240.0000.00716.54
7.4.230.0070.00016.63
7.4.220.0000.00716.53
7.4.210.0100.00516.54
7.4.200.0000.00716.32
7.4.160.0080.01016.44
7.4.140.0080.01317.86
7.4.130.0100.00716.60
7.4.120.0140.00716.48
7.4.110.0070.01116.52
7.4.100.0090.01216.27
7.4.90.0070.01116.36
7.4.80.0110.00519.39
7.4.70.0170.00016.41
7.4.60.0100.00716.35
7.4.50.0090.00616.34
7.4.40.0090.00916.58
7.4.10.0110.00615.06
7.4.00.0030.01314.71
7.3.330.0000.00513.32
7.3.320.0020.00213.17
7.3.310.0000.00716.38
7.3.300.0070.00016.36
7.3.290.0040.00416.31
7.3.280.0000.01416.34
7.3.260.0110.00716.43
7.3.240.0120.00516.40
7.3.230.0030.01316.28
7.3.210.0150.00716.51
7.3.200.0100.00716.34
7.3.190.0180.00416.35
7.3.180.0120.00616.31
7.3.170.0110.00616.31
7.3.160.0070.01716.66
7.3.130.0060.01314.82
7.3.120.0110.00714.74
7.3.110.0000.01414.77
7.3.100.0090.00614.76
7.3.90.0000.01015.00
7.3.80.0060.00314.84
7.3.70.0100.00314.50
7.3.60.0070.00714.62
7.3.50.0040.01114.88
7.3.40.0080.00414.73
7.3.30.0070.00714.93
7.3.20.0070.00716.43
7.3.10.0060.00916.55
7.3.00.0090.00316.78
7.2.330.0100.00716.57
7.2.320.0090.00916.67
7.2.310.0090.00916.23
7.2.300.0100.00716.20
7.2.290.0100.01016.32
7.2.260.0100.01014.77
7.2.250.0110.00014.97
7.2.240.0070.00714.75
7.2.230.0030.01414.77
7.2.220.0040.01414.70
7.2.210.0090.00614.86
7.2.200.0040.01114.76
7.2.190.0060.00614.91
7.2.180.0070.00714.93
7.2.170.0080.00414.84
7.2.160.0100.00315.05
7.2.150.0090.00616.77
7.2.140.0130.00316.59
7.2.130.0060.00616.66
7.2.120.0070.00616.76
7.2.110.0110.00416.70
7.2.100.0070.00316.95
7.2.90.0060.00616.66
7.2.80.0100.01015.72
7.2.70.0170.00715.96
7.2.60.0110.00615.92
7.2.50.0080.01015.53
7.2.40.0070.01115.92
7.2.30.0140.00615.58
7.2.20.0130.00515.80
7.2.10.0100.00715.65
7.2.00.0090.00915.60
7.1.330.0030.00515.64
7.1.320.0030.01315.66
7.1.310.0030.00915.81
7.1.300.0040.00415.80
7.1.290.0060.00615.74
7.1.280.0000.01415.73
7.1.270.0060.00315.77
7.1.260.0000.01115.71
7.1.250.0080.00415.70
7.1.240.0060.00615.85
7.1.230.0080.00315.66
7.1.220.0070.00715.59
7.1.210.0080.00415.64
7.1.200.0080.00515.45
7.1.190.0090.00614.70
7.1.180.0090.01114.64
7.1.170.0080.01014.66
7.1.160.0140.00514.75
7.1.150.0120.00714.51
7.1.140.0130.00314.55
7.1.130.0130.00314.62
7.1.120.0120.00614.66
7.1.110.0100.00814.60
7.1.100.0100.00514.77
7.1.90.0120.01214.49
7.1.80.0110.00414.68
7.1.70.0070.01214.65
7.1.60.0170.01123.65
7.1.50.0200.00823.77
7.1.40.0820.00723.57
7.1.30.0170.01023.59
7.1.20.0170.01023.63
7.1.10.0100.00914.47
7.1.00.0120.00314.70
7.0.330.0080.00015.25
7.0.320.0090.00315.23
7.0.310.0050.00315.02
7.0.300.0040.00815.02
7.0.290.0030.00915.27
7.0.280.0000.01215.27
7.0.270.0070.00315.30
7.0.260.0070.00715.02
7.0.250.0040.01115.17
7.0.240.0040.00815.36
7.0.230.0030.00915.23
7.0.220.0030.01115.43
7.0.210.0000.00915.43
7.0.200.0130.00315.45
7.0.190.0040.01215.12
7.0.180.0040.00715.26
7.0.170.0000.01015.29
7.0.160.0000.01315.24
7.0.150.0000.01515.23
7.0.140.0110.00415.15
7.0.130.0060.00615.41
7.0.120.0030.01015.36
7.0.110.0060.00615.13
7.0.100.0090.00615.41
7.0.90.0100.00315.14
7.0.80.0000.00915.21
7.0.70.0080.00415.25
7.0.60.0070.00715.44
7.0.50.0030.01115.34
7.0.40.0030.00613.41
7.0.30.0070.00713.29
7.0.20.0040.00813.43
7.0.10.0040.00713.13
7.0.00.0030.01013.51
5.6.400.0090.00614.38
5.6.390.0030.00914.20
5.6.380.0030.01014.09
5.6.370.0040.01114.16
5.6.360.0030.00914.25
5.6.350.0100.00714.08
5.6.340.0000.00913.83
5.6.330.0060.00713.83
5.6.320.0100.00614.32
5.6.310.0030.01314.36
5.6.300.0030.00714.29
5.6.290.0030.00614.39
5.6.280.0040.01114.14
5.6.270.0070.00714.22
5.6.260.0090.00613.90
5.6.250.0070.00713.88
5.6.240.0090.00314.20
5.6.230.0030.01014.05
5.6.220.0090.00914.19
5.6.210.0030.01413.99
5.6.200.0000.01514.26
5.6.190.0070.00314.11
5.6.180.0060.00614.13
5.6.170.0150.00013.95
5.6.160.0000.01113.79
5.6.150.0050.00514.05
5.6.140.0000.01613.95
5.6.130.0030.01314.18
5.6.120.0060.01013.98
5.6.110.0040.00714.09
5.6.100.0030.01013.93
5.6.90.0000.00914.15
5.6.80.0070.00414.22
5.6.70.0080.00414.07
5.6.60.0100.00314.12
5.6.50.0060.00614.27
5.6.40.0070.00713.89
5.6.30.0040.01113.90
5.6.20.0070.00313.83
5.6.10.0090.00613.99
5.6.00.0040.00414.10

preferences:
48.38 ms | 400 KiB | 5 Q