3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { const A = "fooa"; const B = self::A . self::C; const C = "fooc"; } class Bar extends Foo { const A = "bara"; const C = "barc"; } var_dump(Bar::B);

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)
8.5.30.0110.00619.48
8.5.20.0100.00819.52
8.5.10.0110.00319.53
8.5.00.0120.00819.61
8.4.180.0090.00325.70
8.4.170.0130.00822.17
8.4.160.0120.01023.94
8.4.150.0090.00516.84
8.4.140.0110.01017.56
8.4.130.0130.00718.02
8.4.120.0090.00920.72
8.4.110.0130.00822.38
8.4.100.0050.00417.48
8.4.90.0130.00717.53
8.4.80.0110.00817.88
8.4.70.0050.00419.61
8.4.60.0120.00718.67
8.4.50.0130.00718.70
8.4.40.0170.00319.27
8.4.30.0090.00619.47
8.4.20.0130.00718.59
8.4.10.0060.01219.36
8.3.300.0120.00920.36
8.3.290.0130.00720.65
8.3.280.0110.00918.10
8.3.270.0100.01216.67
8.3.260.0100.00816.64
8.3.250.0120.00718.89
8.3.240.0110.00816.36
8.3.230.0160.00716.49
8.3.220.0110.00717.09
8.3.210.0140.00516.45
8.3.200.0060.00316.66
8.3.190.0100.00917.28
8.3.180.0080.00918.61
8.3.170.0050.00318.91
8.3.160.0100.01017.10
8.3.150.0090.00917.07
8.3.140.0140.00420.37
8.3.130.0040.00718.12
8.3.120.0100.01320.82
8.3.110.0050.00320.94
8.3.100.0040.00424.06
8.3.90.0130.00326.77
8.3.80.0060.00318.18
8.3.70.0070.01118.41
8.3.60.0140.00016.48
8.3.50.0100.00822.00
8.3.40.0110.00418.66
8.3.30.0070.00718.60
8.3.20.0040.00420.25
8.3.10.0040.00420.21
8.3.00.0070.00023.51
8.2.300.0130.00718.17
8.2.290.0110.00720.18
8.2.280.0120.00818.06
8.2.270.0110.00720.52
8.2.260.0110.00417.20
8.2.250.0030.00616.36
8.2.240.0030.00618.69
8.2.230.0090.00622.58
8.2.220.0030.00637.54
8.2.210.0190.00026.77
8.2.200.0120.00016.50
8.2.190.0110.01116.70
8.2.180.0170.00316.32
8.2.170.0070.01022.96
8.2.160.0080.00520.39
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00420.39
8.2.120.0080.00026.35
8.2.110.0040.00721.13
8.2.100.0080.00417.78
8.2.90.0070.00020.59
8.2.80.0060.00320.38
8.2.70.0040.00417.38
8.2.60.0000.00917.80
8.2.50.0030.00719.40
8.2.40.0080.00020.60
8.2.30.0070.00020.48
8.2.20.0000.00717.96
8.2.10.0000.00717.99
8.2.00.0040.00418.27
8.1.340.0130.00919.58
8.1.330.0130.00718.39
8.1.320.0120.00717.85
8.1.310.0140.00018.28
8.1.300.0080.00017.81
8.1.290.0040.00430.84
8.1.280.0100.01025.92
8.1.270.0030.00620.54
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.19
8.1.230.0000.01220.91
8.1.220.0000.00717.74
8.1.210.0050.00318.99
8.1.200.0060.00317.23
8.1.190.0000.00817.22
8.1.180.0070.00018.10
8.1.170.0000.00818.65
8.1.160.0050.00218.75
8.1.150.0000.00720.15
8.1.140.0050.00517.30
8.1.130.0030.00318.93
8.1.120.0000.00817.29
8.1.110.0070.00017.27
8.1.100.0040.00417.41
8.1.90.0000.00717.34
8.1.80.0000.00717.35
8.1.70.0030.00317.27
8.1.60.0080.00017.39
8.1.50.0040.00417.41
8.1.40.0030.00617.35
8.1.30.0000.00717.42
8.1.20.0040.00417.44
8.1.10.0050.00517.36
8.1.00.0000.00717.16
8.0.300.0070.00020.12
8.0.290.0000.00716.60
8.0.280.0030.00318.25
8.0.270.0070.00017.17
8.0.260.0030.00318.43
8.0.250.0000.00716.84
8.0.240.0030.00316.92
8.0.230.0040.00416.86
8.0.220.0070.00016.77
8.0.210.0050.00216.74
8.0.200.0040.00416.79
8.0.190.0040.00416.77
8.0.180.0100.00016.73
8.0.170.0040.00416.78
8.0.160.0020.00516.77
8.0.150.0000.00816.86
8.0.140.0000.00716.81
8.0.130.0000.00513.22
8.0.120.0000.00816.77
8.0.110.0030.00516.77
8.0.100.0070.00016.93
8.0.90.0040.00416.80
8.0.80.0120.00316.78
8.0.70.0040.00416.81
8.0.60.0030.00616.70
8.0.50.0080.00016.73
8.0.30.0060.01116.93
8.0.20.0110.00917.40
8.0.10.0000.00716.95
8.0.00.0060.01816.65
7.4.330.0030.00315.55
7.4.320.0070.00016.53
7.4.300.0000.00616.50
7.4.290.0030.00716.48
7.4.280.0030.00516.51
7.4.270.0000.00716.50
7.4.260.0000.00816.36
7.4.250.0000.00816.37
7.4.240.0030.00316.35
7.4.230.0050.00316.37
7.4.220.0150.00316.55
7.4.210.0070.00916.41
7.4.200.0030.00316.62
7.4.160.0080.00816.45
7.4.150.0120.00617.40
7.4.140.0070.01017.86
7.4.130.0120.00516.53
7.4.120.0130.01016.33
7.4.110.0110.00716.43
7.4.100.0030.01316.26
7.4.90.0070.01016.44
7.4.80.0080.00819.39
7.4.70.0080.00816.40
7.4.60.0000.01716.43
7.4.50.0030.01016.32
7.4.40.0110.00616.22
7.4.30.0070.01116.31
7.4.00.0080.00414.81
7.3.330.0000.00513.10
7.3.320.0000.00513.18
7.3.310.0000.00716.13
7.3.300.0030.00316.34
7.3.290.0000.00716.15
7.3.280.0080.01116.25
7.3.270.0030.02317.40
7.3.260.0090.01116.24
7.3.250.0100.01016.47
7.3.240.0120.00516.47
7.3.230.0140.00716.39
7.3.210.0120.00416.52
7.3.200.0130.00316.34
7.3.190.0120.00316.35
7.3.180.0130.00316.36
7.3.170.0140.00316.29
7.3.160.0130.01016.43
7.2.330.0130.00616.61
7.2.320.0040.01716.41
7.2.310.0100.01316.37
7.2.300.0090.00916.68
7.2.290.0030.01216.49
7.2.60.0000.01116.72
7.2.00.0030.00719.19
7.1.200.0030.01015.49
7.1.100.0070.00718.08
7.1.70.0070.00016.74
7.1.60.0060.00617.21
7.1.50.0250.00634.51
7.1.30.0800.06036.29
7.1.20.0730.06736.30
7.1.10.0570.08720.46
7.1.00.0500.07320.54
7.0.200.0000.01316.46
7.0.170.3170.05720.01
7.0.160.0470.06719.97
7.0.150.0500.06719.90
7.0.140.0530.07720.05
7.0.130.0600.05719.98
7.0.120.0400.06320.02
7.0.110.0630.05020.03
7.0.100.0470.06719.95
7.0.90.0600.06020.16
7.0.80.0630.05320.07
7.0.70.0530.05320.03
7.0.60.0500.06720.01
7.0.50.0700.06319.98
7.0.40.0630.06320.03
7.0.30.1000.06320.06
7.0.20.0830.08319.96
7.0.10.0670.07320.12
7.0.00.0570.06320.06

preferences:
45.65 ms | 1429 KiB | 5 Q