3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A { class Test {} } namespace B { use A\Test as Test2; class Test {} class Test2 {} }

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)
8.3.70.0100.00718.30
8.3.60.0070.00718.52
8.3.50.0070.01121.08
8.3.40.0060.00918.68
8.3.30.0140.00718.54
8.3.20.0080.00020.13
8.3.10.0040.00423.64
8.3.00.0030.00622.52
8.2.190.0110.00418.41
8.2.180.0150.00016.50
8.2.170.0100.00722.96
8.2.160.0110.00422.10
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0060.00317.38
8.2.110.0070.00321.11
8.2.100.0070.00417.63
8.2.90.0070.00019.10
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0000.00817.90
8.2.50.0060.00318.07
8.2.40.0070.00419.34
8.2.30.0070.00319.60
8.2.20.0050.00217.43
8.2.10.0060.00317.93
8.2.00.0030.00617.88
8.1.280.0110.00725.92
8.1.270.0080.00020.21
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.88
8.1.230.0030.00917.54
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0040.00717.23
8.1.190.0080.00017.10
8.1.180.0050.00218.10
8.1.170.0000.00818.65
8.1.160.0070.00021.82
8.1.150.0030.00318.76
8.1.140.0000.00717.36
8.1.130.0000.00817.63
8.1.120.0050.00217.18
8.1.110.0040.00317.29
8.1.100.0030.00417.16
8.1.90.0070.00017.28
8.1.80.0000.00717.23
8.1.70.0000.00717.22
8.1.60.0050.00317.50
8.1.50.0000.00817.29
8.1.40.0030.00517.36
8.1.30.0000.00917.39
8.1.20.0040.00417.52
8.1.10.0000.00717.36
8.1.00.0030.00517.22
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0030.00318.35
8.0.270.0000.00717.07
8.0.260.0030.00318.31
8.0.250.0000.00716.91
8.0.240.0030.00516.90
8.0.230.0030.00316.82
8.0.220.0030.00316.87
8.0.210.0000.00816.69
8.0.200.0040.00416.87
8.0.190.0060.00316.86
8.0.180.0000.00716.80
8.0.170.0050.00316.82
8.0.160.0030.00516.92
8.0.150.0030.00316.68
8.0.140.0050.00316.70
8.0.130.0000.00913.18
8.0.120.0000.00916.80
8.0.110.0070.00016.86
8.0.100.0040.00416.64
8.0.90.0000.00716.67
8.0.80.0070.01116.86
8.0.70.0000.00716.72
8.0.60.0040.00416.71
8.0.50.0000.00716.73
8.0.30.0150.00816.87
8.0.20.0130.00617.40
8.0.10.0000.00716.97
8.0.00.0070.01116.59
7.4.330.0000.00515.08
7.4.320.0030.00316.39
7.4.300.0030.00316.43
7.4.290.0050.00316.50
7.4.280.0040.00316.45
7.4.270.0030.00316.43
7.4.260.0000.00716.33
7.4.250.0000.00716.29
7.4.240.0050.00216.35
7.4.230.0000.00716.36
7.4.220.0120.00616.35
7.4.210.0080.00816.50
7.4.200.0030.00316.27
7.4.160.0130.00316.38
7.4.150.0130.00317.40
7.4.140.0060.01917.86
7.4.130.0110.01016.38
7.4.120.0070.01016.35
7.4.110.0120.00616.43
7.4.100.0060.01216.21
7.4.90.0070.01116.44
7.4.80.0140.01019.39
7.4.70.0130.00316.46
7.4.60.0040.01216.45
7.4.50.0020.00216.22
7.4.40.0030.01316.36
7.4.30.0190.02816.62
7.4.00.0000.01614.68
7.3.330.0050.00313.22
7.3.320.0050.00013.09
7.3.310.0060.00016.12
7.3.300.0030.00316.22
7.3.290.0050.01116.20
7.3.280.0130.00716.21
7.3.270.0140.00317.40
7.3.260.0100.00716.45
7.3.250.0180.00816.35
7.3.240.0120.00416.21
7.3.230.0100.00716.39
7.3.210.0110.01116.24
7.3.200.0110.00719.39
7.3.190.0070.01016.25
7.3.180.0030.01316.48
7.3.170.0080.00816.50
7.3.160.0040.01516.24
7.3.10.0030.00916.52
7.3.00.0060.00316.50
7.2.330.0040.01416.55
7.2.320.0100.00716.14
7.2.310.0040.01316.22
7.2.300.0030.01616.25
7.2.290.0100.01316.42
7.2.130.0100.00016.61
7.2.120.0040.01116.72
7.2.110.0030.01016.55
7.2.100.0070.00316.88
7.2.90.0060.00916.61
7.2.80.0070.00716.73
7.2.70.0000.01516.69
7.2.60.0030.01016.60
7.2.50.0060.00316.81
7.2.40.0060.00616.63
7.2.30.0030.01016.64
7.2.20.0030.01016.78
7.2.10.0050.00516.72
7.2.00.0070.01017.99
7.1.250.0030.01015.78
7.1.200.0040.00815.59
7.1.100.0070.00717.96
7.1.70.0000.00716.95
7.1.60.0070.01819.12
7.1.50.0230.01634.72
7.1.00.0030.07722.30
7.0.200.0110.00716.21
7.0.60.0100.07319.77
7.0.50.0030.08017.89
7.0.40.0100.08720.40
7.0.30.0430.06720.13
7.0.20.0300.04720.07
7.0.10.0100.07720.07
7.0.00.0100.06720.11
5.6.280.0030.05321.04
5.6.210.0000.05720.61
5.6.200.0070.07318.17
5.6.190.0070.08720.67
5.6.180.0270.06720.41
5.6.170.0300.05320.39
5.6.160.0200.07320.62
5.6.150.0030.08718.19
5.6.140.0100.07018.16
5.6.130.0100.04018.17
5.6.120.0030.09021.10
5.6.110.0070.07720.89
5.6.100.0070.08321.04
5.6.90.0030.06321.10
5.6.80.0100.03720.36
5.5.350.0030.08720.28
5.5.340.0000.04017.99
5.5.330.0030.06020.43
5.5.320.0030.03720.51
5.5.310.0100.04720.24
5.5.300.0000.05017.94
5.5.290.0100.06018.04
5.5.280.0070.03720.77
5.5.270.0070.04020.83
5.5.260.0100.08020.77
5.5.250.0070.06320.58
5.5.240.0100.07320.34
5.4.450.0200.04019.43
5.4.440.0270.04019.46
5.4.430.0270.06319.52
5.4.420.0170.03719.49
5.4.410.0200.05319.50
5.4.400.0270.03319.21
5.4.390.0200.08018.84
5.4.380.0300.03719.05
5.4.370.0330.06718.98
5.4.360.0270.04319.31
5.4.350.0270.06019.02
5.4.340.0200.04318.95
5.4.320.0300.06719.23
5.4.310.0300.06719.00
5.4.300.0300.07319.20
5.4.290.0270.04719.16
5.4.280.0330.07018.95
5.4.270.0270.05719.20
5.4.260.0230.04719.05
5.4.250.0170.04719.22
5.4.240.0230.03719.19
5.4.230.0270.05718.95
5.4.220.0170.04319.30
5.4.210.0270.05019.18
5.4.200.0200.04019.08
5.4.190.0370.04018.86
5.4.180.0230.03719.30
5.4.170.0300.03019.07
5.4.160.0300.06719.13
5.4.150.0370.06019.20
5.4.140.0170.08016.39
5.4.130.0270.07316.55
5.4.120.0300.06016.55
5.4.110.0230.04316.59
5.4.100.0200.03716.58
5.4.90.0230.03316.34
5.4.80.0330.06016.48
5.4.70.0170.04316.23

preferences:
52.42 ms | 401 KiB | 5 Q