3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{} function f(): ?\A { return null; } 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)
8.3.60.0110.00418.30
8.3.50.0070.00716.34
8.3.40.0110.00318.73
8.3.30.0060.00918.54
8.3.20.0080.00018.65
8.3.10.0000.00823.51
8.3.00.0040.00423.53
8.2.180.0070.01418.41
8.2.170.0000.01522.96
8.2.160.0070.00718.79
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0070.00020.47
8.2.120.0060.00326.35
8.2.110.0070.00320.36
8.2.100.0080.00417.72
8.2.90.0060.00318.83
8.2.80.0040.00417.97
8.2.70.0030.00617.80
8.2.60.0060.00317.90
8.2.50.0000.00818.10
8.2.40.0000.00721.07
8.2.30.0050.00219.00
8.2.20.0020.00517.91
8.2.10.0040.00419.48
8.2.00.0020.00519.32
8.1.280.0070.00725.92
8.1.270.0040.00420.43
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0040.00423.94
8.1.230.0030.01017.57
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0070.00317.10
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0040.00418.75
8.1.160.0050.00218.66
8.1.150.0040.00418.80
8.1.140.0060.00319.54
8.1.130.0040.00418.98
8.1.120.0000.00817.26
8.1.110.0000.00717.20
8.1.100.0040.00417.21
8.1.90.0050.00317.32
8.1.80.0030.00517.34
8.1.70.0000.00717.21
8.1.60.0040.00417.54
8.1.50.0030.00517.43
8.1.40.0030.00517.45
8.1.30.0000.01017.46
8.1.20.0000.00817.43
8.1.10.0030.00517.42
8.1.00.0040.00417.29
8.0.300.0070.00018.77
8.0.290.0060.00316.63
8.0.280.0030.00318.36
8.0.270.0040.00417.11
8.0.260.0000.00617.09
8.0.250.0030.00316.86
8.0.240.0000.00616.88
8.0.230.0080.00016.82
8.0.220.0080.00016.60
8.0.210.0000.00616.74
8.0.200.0030.00316.73
8.0.190.0000.00816.70
8.0.180.0000.00716.76
8.0.170.0060.00316.84
8.0.160.0000.00816.78
8.0.150.0070.00016.65
8.0.140.0030.00316.71
8.0.130.0060.00013.14
8.0.120.0000.00716.61
8.0.110.0050.00216.64
8.0.100.0040.00416.86
8.0.90.0000.00716.74
8.0.80.0080.00816.72
8.0.70.0050.00316.77
8.0.60.0070.00016.76
8.0.50.0000.00716.81
8.0.30.0090.00916.80
8.0.20.0170.01017.40
8.0.10.0040.00416.86
8.0.00.0110.00816.43
7.4.330.0060.00015.55
7.4.320.0060.00316.38
7.4.300.0000.00616.53
7.4.290.0000.00716.57
7.4.280.0070.00016.43
7.4.270.0000.00716.44
7.4.260.0050.00216.35
7.4.250.0030.00316.39
7.4.240.0040.00416.44
7.4.230.0030.00316.23
7.4.220.0040.00416.60
7.4.210.0080.00716.45
7.4.200.0030.00316.36
7.4.160.0090.00716.52
7.4.140.0100.00917.86
7.4.130.0070.01416.29
7.4.120.0100.01016.31
7.4.110.0000.01916.29
7.4.100.0150.00616.32
7.4.90.0090.01316.14
7.4.80.0090.01319.39
7.4.70.0100.00716.38
7.4.60.0130.02116.34
7.4.50.0030.00716.28
7.4.40.0120.00616.51
7.4.00.0060.00914.65
7.3.330.0030.00313.18
7.3.320.0000.00613.23
7.3.310.0030.00416.16
7.3.300.0060.00016.22
7.3.290.0000.00616.11
7.3.280.0090.00916.23
7.3.260.0070.00916.38
7.3.240.0090.00916.32
7.3.230.0100.00716.40
7.3.210.0070.01016.21
7.3.200.0100.00716.41
7.3.190.0110.00916.50
7.3.180.0130.00316.21
7.3.170.0110.00616.42
7.3.160.0070.01416.34
7.3.120.0070.01314.75
7.3.110.0030.01314.71
7.3.100.0100.00714.65
7.3.90.0030.00914.66
7.3.80.0040.01514.63
7.3.70.0030.01014.75
7.3.60.0100.00714.46
7.3.50.0000.01714.63
7.3.40.0090.00314.58
7.3.30.0080.00814.71
7.3.20.0040.01116.30
7.3.10.0060.00916.63
7.3.00.0070.00716.34
7.2.330.0070.01816.34
7.2.320.0130.00316.13
7.2.310.0090.00916.18
7.2.300.0100.00716.23
7.2.290.0070.01116.52
7.2.250.0060.01214.61
7.2.240.0030.01714.51
7.2.230.0040.00814.74
7.2.220.0090.00614.78
7.2.210.0100.01014.96
7.2.200.0100.00715.02
7.2.190.0110.00714.97
7.2.180.0070.01114.70
7.2.170.0070.00814.97
7.2.80.0180.00314.67
7.2.70.0110.01114.85
7.2.60.0180.00414.97
7.2.50.0130.01314.71
7.2.40.0170.00714.82
7.2.30.0160.00614.87
7.2.20.0090.01614.85
7.2.10.0160.01014.64
7.2.00.0220.00614.68
7.1.330.0110.00415.48
7.1.320.0080.00415.64
7.1.310.0040.01115.46
7.1.300.0070.01015.71
7.1.290.0060.01015.64
7.1.280.0030.01015.42
7.1.270.0100.00315.66
7.1.260.0060.00915.42
7.1.200.0040.01115.29
7.1.190.0150.00613.56
7.1.180.0160.00613.49
7.1.170.0160.00613.53
7.1.160.0150.00913.55
7.1.150.0120.00913.69
7.1.140.1080.00613.73
7.1.130.0160.00913.70
7.1.120.0130.00713.55
7.1.110.0120.00913.45
7.1.100.0310.00713.66
7.1.90.0130.00713.34
7.1.80.0150.00413.68
7.1.70.0060.01313.50
7.1.60.0450.01331.57
7.1.50.0350.00431.52
7.1.40.0240.01431.68
7.1.30.0240.01431.75
7.1.20.0400.01631.47
7.1.10.0120.00913.60
7.1.00.0200.00313.59

preferences:
62.88 ms | 401 KiB | 5 Q