3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ const FOO = 10; } class A1 extends A{ const FOO = 20; // no error. WAT } interface B{ const FOO = 10; } interface B1 extends B{ const FOO = 20; // error. WAT }

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)
8.3.70.0120.00316.58
8.3.60.0060.01216.63
8.3.50.0090.00921.04
8.3.40.0070.00718.43
8.3.30.0080.00818.55
8.3.20.0040.00420.34
8.3.10.0070.00023.70
8.3.00.0060.00922.34
8.2.190.0100.00716.58
8.2.180.0090.00918.04
8.2.170.0070.00722.96
8.2.160.0070.00722.17
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0030.00617.50
8.2.110.0030.00621.11
8.2.100.0080.00417.59
8.2.90.0050.00317.78
8.2.80.0000.00719.09
8.2.70.0040.00817.63
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0080.00021.11
8.2.30.0080.00019.65
8.2.20.0000.00717.62
8.2.10.0040.00417.90
8.2.00.0040.00417.92
8.1.280.0110.00425.92
8.1.270.0030.00620.38
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00022.50
8.1.230.0060.00620.98
8.1.220.0000.00917.74
8.1.210.0000.00818.89
8.1.200.0060.00317.13
8.1.190.0000.00817.10
8.1.180.0000.00918.10
8.1.170.0000.00818.59
8.1.160.0040.00422.05
8.1.150.0030.00518.79
8.1.140.0040.00417.33
8.1.130.0070.00017.54
8.1.120.0040.00417.38
8.1.110.0000.00717.42
8.1.100.0040.00417.37
8.1.90.0040.00417.39
8.1.80.0000.00717.27
8.1.70.0000.00717.27
8.1.60.0030.00617.55
8.1.50.0030.00517.36
8.1.40.0090.00317.30
8.1.30.0040.00417.57
8.1.20.0040.00417.48
8.1.10.0000.00717.38
8.1.00.0050.00217.20
8.0.300.0070.00019.91
8.0.290.0050.00316.63
8.0.280.0030.00318.40
8.0.270.0030.00517.19
8.0.260.0030.00317.10
8.0.250.0070.00016.92
8.0.240.0000.00716.89
8.0.230.0070.00016.83
8.0.220.0000.00716.86
8.0.210.0070.00016.77
8.0.200.0000.00616.82
8.0.190.0040.00416.98
8.0.180.0040.00416.88
8.0.170.0050.00316.89
8.0.160.0050.00216.84
8.0.150.0000.00716.89
8.0.140.0040.00416.81
8.0.130.0030.00313.31
8.0.120.0040.00416.84
8.0.110.0040.00416.95
8.0.100.0070.00016.92
8.0.90.0000.00716.83
8.0.80.0090.00616.91
8.0.70.0000.00816.77
8.0.60.0040.00416.84
8.0.50.0040.00416.87
8.0.30.0110.00617.12
8.0.20.0090.00917.40
8.0.10.0000.00716.84
8.0.00.0090.01016.70
7.4.330.0000.00515.08
7.4.320.0000.00616.41
7.4.300.0070.00016.42
7.4.290.0030.00316.53
7.4.280.0030.00816.44
7.4.270.0070.00016.57
7.4.260.0000.00716.52
7.4.250.0000.00716.39
7.4.240.0000.00716.48
7.4.230.0040.00416.60
7.4.220.0060.01216.53
7.4.210.0080.00616.41
7.4.200.0030.00516.50
7.4.160.0100.01316.29
7.4.150.0030.01417.40
7.4.140.0130.00817.86
7.4.130.0060.01116.46
7.4.120.0060.01016.31
7.4.110.0100.00716.52
7.4.100.0090.01316.28
7.4.90.0060.01616.43
7.4.80.0090.01519.39
7.4.70.0080.00916.52
7.4.60.0060.01016.31
7.4.50.0000.00916.66
7.4.40.0070.01716.49
7.4.30.0110.00716.52
7.4.00.0070.00915.01
7.3.330.0000.00513.23
7.3.320.0060.00013.02
7.3.310.0000.00716.12
7.3.300.0030.00316.19
7.3.290.0080.00816.21
7.3.280.0080.00816.18
7.3.270.0000.01617.40
7.3.260.0070.01116.56
7.3.250.0100.00916.28
7.3.240.0110.00616.33
7.3.230.0060.01216.39
7.3.210.0090.00916.17
7.3.200.0030.01316.36
7.3.190.0120.00916.26
7.3.180.0080.00816.41
7.3.170.0130.00316.29
7.3.160.0100.00716.28
7.3.120.0090.00914.91
7.3.110.0040.01514.88
7.3.100.0050.00514.61
7.3.90.0030.00614.71
7.3.80.0040.01114.66
7.3.70.0060.01014.84
7.3.60.0000.00814.89
7.3.50.0030.01314.57
7.3.40.0060.00614.71
7.3.30.0110.00014.75
7.3.20.0000.01516.51
7.3.10.0060.00816.50
7.3.00.0050.00716.62
7.2.330.0120.01216.31
7.2.320.0110.01416.64
7.2.310.0100.00716.59
7.2.300.0070.01016.63
7.2.290.0100.00716.34
7.2.250.0030.00915.06
7.2.240.0100.00714.52
7.2.230.0070.01114.86
7.2.220.0030.00614.59
7.2.210.0030.01314.98
7.2.200.0100.00714.95
7.2.190.0090.00014.75
7.2.180.0060.00914.82
7.2.170.0090.00314.84
7.2.130.0050.00716.88
7.2.120.0080.00416.78
7.2.110.0070.00916.51
7.2.100.0050.00916.71
7.2.90.0040.00716.63
7.2.80.0080.00616.74
7.2.70.0070.00716.70
7.2.60.0110.00516.73
7.2.50.0080.00516.65
7.2.40.0080.00616.79
7.2.30.0100.00216.80
7.2.20.0070.00716.44
7.2.10.0060.00616.84
7.2.00.0020.01117.59
7.1.330.0070.00715.66
7.1.320.0030.01015.76
7.1.310.0070.01015.47
7.1.300.0000.01415.81
7.1.290.0040.01015.59
7.1.280.0100.00715.86
7.1.270.0100.00015.84
7.1.260.0080.00415.40
7.1.250.0040.00715.68
7.1.200.0060.00615.36
7.1.100.0000.01117.75
7.1.70.0030.00316.90
7.1.60.0040.01919.18
7.1.50.0070.01716.82
7.1.00.0000.08022.43
7.0.200.0100.00316.75
7.0.60.0100.08320.00
7.0.50.0130.04017.86
7.0.40.0130.08320.20
7.0.30.0300.07020.27
7.0.20.0170.04720.23
7.0.10.0270.03320.30
7.0.00.0100.03720.14
5.6.280.0000.07721.07
5.6.210.0130.08020.71
5.6.200.0070.08718.16
5.6.190.0030.06020.42
5.6.180.0100.07020.57
5.6.170.0300.07320.55
5.6.160.0130.07720.50
5.6.150.0070.08018.15
5.6.140.0100.03318.19
5.6.130.0100.07718.16
5.6.120.0000.04321.00
5.6.110.0030.05020.99
5.6.100.0130.08021.13
5.6.90.0130.07721.11
5.6.80.0100.07720.42
5.6.70.0330.06320.51
5.5.350.0000.03320.41
5.5.340.0030.04018.04
5.5.330.0130.05720.57
5.5.320.0070.08320.41
5.5.310.0400.06020.27
5.5.300.0270.03017.99
5.5.290.0100.08717.95
5.5.280.0130.03720.85
5.5.270.0030.05020.76
5.5.260.0000.05320.86
5.5.250.0130.03720.71
5.5.240.0000.07020.26
5.4.450.0270.07319.64
5.4.440.0300.07319.52
5.4.430.0270.04319.52
5.4.420.0300.07019.32
5.4.410.0370.06719.25
5.4.400.0270.07719.00
5.4.390.0230.04019.20
5.4.380.0200.04019.16
5.4.370.0330.06019.08
5.4.360.0300.04719.22
5.4.350.0300.06318.87
5.4.340.0230.04719.15
5.4.320.0370.07019.24
5.4.310.0430.05719.24
5.4.300.0300.07019.09
5.4.290.0470.03318.98
5.4.280.0270.06019.15
5.4.270.0300.05318.98
5.4.260.0330.05719.15
5.4.250.0400.06019.23
5.4.240.0270.07319.24
5.4.230.0300.05319.21
5.4.220.0330.07019.17
5.4.210.0270.03718.94
5.4.200.0470.05319.14
5.4.190.0300.03718.94
5.4.180.0400.06719.12
5.4.170.0370.07019.30
5.4.160.0330.06719.13
5.4.150.0370.07018.93
5.4.140.0330.06316.40
5.4.130.0270.04016.37
5.4.120.0300.04716.71
5.4.110.0230.06716.61
5.4.100.0270.07016.60
5.4.90.0370.06016.59
5.4.80.0330.05316.38
5.4.70.0270.06316.32

preferences:
72.1 ms | 401 KiB | 5 Q