3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A { use B; } namespace B { use A; }

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)
8.3.70.0170.00316.50
8.3.60.0120.00616.13
8.3.50.0070.00716.37
8.3.40.0040.01118.64
8.3.30.0040.01118.50
8.3.20.0040.00420.29
8.3.10.0040.00423.61
8.3.00.0000.00821.96
8.2.180.0120.00618.16
8.2.170.0120.00322.96
8.2.160.0100.00318.70
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0110.00319.18
8.2.120.0040.00426.35
8.2.110.0100.00019.33
8.2.100.0070.00418.03
8.2.90.0040.00419.12
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00917.80
8.2.50.0000.00918.10
8.2.40.0070.00020.59
8.2.30.0050.00319.14
8.2.20.0100.00017.96
8.2.10.0040.00417.95
8.2.00.0000.00717.98
8.1.280.0090.00625.92
8.1.270.0040.00422.14
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.81
8.1.230.0060.00917.52
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.00
8.1.190.0040.00417.23
8.1.180.0000.00718.10
8.1.170.0040.00418.69
8.1.160.0070.00018.85
8.1.150.0070.00018.75
8.1.140.0000.00719.34
8.1.130.0030.00318.62
8.1.120.0000.00717.31
8.1.110.0000.00717.29
8.1.100.0000.00717.24
8.1.90.0040.00417.21
8.1.80.0030.00317.35
8.1.70.0000.00717.21
8.1.60.0040.00417.33
8.1.50.0070.00017.41
8.1.40.0060.00317.29
8.1.30.0040.00417.54
8.1.20.0030.00617.52
8.1.10.0000.00917.38
8.1.00.0020.00517.36
8.0.300.0040.00418.77
8.0.290.0000.00816.62
8.0.280.0030.00318.31
8.0.270.0000.00717.17
8.0.260.0030.00316.60
8.0.250.0000.00616.82
8.0.240.0070.00016.86
8.0.230.0030.00316.66
8.0.220.0000.00716.72
8.0.210.0050.00316.78
8.0.200.0060.00016.76
8.0.190.0050.00316.84
8.0.180.0070.00316.80
8.0.170.0040.00416.77
8.0.160.0030.00316.72
8.0.150.0070.00016.82
8.0.140.0000.00816.77
8.0.130.0060.00013.14
8.0.120.0040.00416.72
8.0.110.0000.00716.63
8.0.100.0040.00416.79
8.0.90.0040.00416.55
8.0.80.0100.00616.71
8.0.70.0000.00716.65
8.0.60.0070.00016.71
8.0.50.0000.00716.63
8.0.30.0090.00816.83
8.0.20.0130.00817.40
8.0.10.0000.00816.96
8.0.00.0120.00516.59
7.4.330.0000.00715.55
7.4.320.0070.00016.47
7.4.300.0000.00616.25
7.4.290.0000.00716.38
7.4.280.0080.00016.36
7.4.270.0030.00316.38
7.4.260.0050.00013.15
7.4.250.0000.00716.40
7.4.240.0030.00616.39
7.4.230.0070.00016.39
7.4.220.0160.00616.39
7.4.210.0070.00716.44
7.4.200.0060.00016.46
7.4.160.0080.00816.26
7.4.150.0040.01517.40
7.4.140.0110.00717.86
7.4.130.0050.01416.30
7.4.120.0110.00916.40
7.4.110.0130.00716.39
7.4.100.0060.01316.26
7.4.90.0090.00916.38
7.4.80.0100.00719.39
7.4.70.0120.00316.24
7.4.60.0100.00716.25
7.4.50.0090.00616.36
7.4.40.0120.00316.39
7.4.30.0120.00316.34
7.4.00.0040.00814.80
7.3.330.0000.00812.96
7.3.320.0030.00312.96
7.3.310.0070.00016.19
7.3.300.0070.00016.12
7.3.290.0070.00716.16
7.3.280.0090.00716.10
7.3.270.0150.00317.40
7.3.260.0110.00816.21
7.3.250.0090.00816.23
7.3.240.0100.00416.26
7.3.230.0090.00816.39
7.3.210.0070.01016.37
7.3.200.0130.00616.43
7.3.190.0060.00916.43
7.3.180.0080.00816.17
7.3.170.0100.00616.16
7.3.160.0110.00916.30
7.2.330.0130.00616.11
7.2.320.0040.01216.23
7.2.310.0070.01016.27
7.2.300.0130.00616.59
7.2.290.0120.00616.46
7.2.90.0380.01114.82
7.2.80.0520.00314.66
7.2.70.0910.01014.96
7.2.60.0200.01314.97
7.2.50.0120.00414.48
7.2.40.0110.00814.83
7.2.30.0110.01114.70
7.2.20.0130.01014.64
7.2.10.0070.01114.61
7.2.00.0100.01014.75
7.1.210.0530.00713.88
7.1.200.0430.00613.72
7.1.190.0210.00913.59
7.1.180.1040.00013.68
7.1.170.0500.00413.83
7.1.160.0070.01013.81
7.1.150.0300.01313.70
7.1.140.0580.01013.66
7.1.130.0100.00713.65
7.1.120.0090.00913.73
7.1.110.0430.00713.67
7.1.100.0470.00413.64
7.1.90.0730.01313.49
7.1.80.0540.00313.57
7.1.70.0320.01113.81
7.1.60.0390.01331.50
7.1.50.0750.00031.51
7.1.40.0570.00631.47
7.1.30.0240.01431.75
7.1.20.0220.01231.50
7.1.10.0090.00613.57
7.1.00.0880.00413.66
7.0.310.0220.00613.46
7.0.300.0140.00713.51
7.0.290.0110.00313.21
7.0.280.0610.00312.89
7.0.270.0830.00613.24
7.0.260.0780.00313.48
7.0.250.0430.00913.25
7.0.240.0060.00913.32
7.0.230.0710.01013.33
7.0.220.0060.01013.39
7.0.210.0160.00313.43
7.0.200.0520.00312.90
7.0.190.0540.00613.21
7.0.180.0770.00613.21
7.0.170.0150.00913.59
7.0.160.0180.00613.29
7.0.150.0070.01113.54
7.0.140.0160.00012.84
7.0.130.0650.00013.16
7.0.120.0540.00713.02
7.0.110.0440.01013.24
7.0.100.0470.00713.44
7.0.90.0100.00512.97
7.0.80.0070.00713.29
7.0.70.0230.00813.32
7.0.60.0130.00013.30
7.0.50.0080.00813.34
7.0.40.0820.00313.35
7.0.30.0480.00613.23
7.0.20.0000.01913.27
7.0.10.1170.00013.29
7.0.00.0140.00313.43

preferences:
52.91 ms | 401 KiB | 5 Q