3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace { echo "something"; } namespace one { use ns_two; }

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)
8.3.60.0170.00318.23
8.3.50.0120.00322.05
8.3.40.0070.00718.68
8.3.30.0030.01019.13
8.3.20.0080.00020.11
8.3.10.0070.00023.63
8.3.00.0000.00718.89
8.2.180.0110.00416.32
8.2.170.0070.00722.96
8.2.160.0100.00320.38
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0030.00526.16
8.2.120.0040.00420.82
8.2.110.0060.00322.11
8.2.100.0110.00017.72
8.2.90.0080.00019.08
8.2.80.0080.00017.97
8.2.70.0000.00917.25
8.2.60.0120.00417.55
8.2.50.0080.00018.07
8.2.40.0000.00819.82
8.2.30.0100.00018.01
8.2.20.0030.00517.43
8.2.10.0090.00017.92
8.2.00.0040.00417.55
8.1.280.0110.00425.92
8.1.270.0040.00423.79
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00923.83
8.1.230.0060.00619.15
8.1.220.0060.00317.74
8.1.210.0000.01018.77
8.1.200.0090.00017.23
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0050.00318.71
8.1.160.0040.00421.94
8.1.150.0040.00418.49
8.1.140.0040.00417.37
8.1.130.0030.00517.75
8.1.120.0000.00817.18
8.1.110.0000.00817.33
8.1.100.0030.00517.36
8.1.90.0040.00417.17
8.1.80.0000.00817.26
8.1.70.0030.00317.29
8.1.60.0080.00017.48
8.1.50.0000.00817.45
8.1.40.0040.00417.38
8.1.30.0000.00917.44
8.1.20.0000.00817.50
8.1.10.0040.00417.46
8.1.00.0080.00017.26
8.0.300.0040.00419.15
8.0.290.0050.00316.63
8.0.280.0070.00018.28
8.0.270.0040.00417.19
8.0.260.0000.00617.16
8.0.250.0070.00016.83
8.0.240.0040.00416.83
8.0.230.0030.00316.73
8.0.220.0040.00416.59
8.0.210.0000.00716.66
8.0.200.0030.00516.84
8.0.190.0070.00016.88
8.0.180.0040.00416.75
8.0.170.0040.00416.69
8.0.160.0000.00816.62
8.0.150.0000.00716.79
8.0.140.0000.00716.73
8.0.130.0000.00613.14
8.0.120.0000.00716.78
8.0.110.0030.00316.60
8.0.100.0000.00716.75
8.0.90.0070.00016.61
8.0.80.0070.01416.69
8.0.70.0040.00416.59
8.0.60.0040.00416.82
8.0.50.0000.00716.63
8.0.30.0140.00816.98
8.0.20.0080.01017.40
8.0.10.0080.00016.73
8.0.00.0080.00816.53
7.4.330.0000.00415.00
7.4.320.0000.00616.29
7.4.300.0060.00016.31
7.4.290.0040.00416.27
7.4.280.0050.00316.46
7.4.270.0030.00316.38
7.4.260.0030.00316.49
7.4.250.0030.00516.45
7.4.240.0020.00516.42
7.4.230.0000.00716.34
7.4.220.0120.00616.55
7.4.210.0000.01516.43
7.4.200.0070.00016.19
7.4.160.0120.00416.36
7.4.150.0000.01817.40
7.4.140.0080.00917.86
7.4.130.0120.00816.35
7.4.120.0110.00616.39
7.4.110.0070.01016.40
7.4.100.0110.00616.45
7.4.90.0070.01016.39
7.4.80.0220.03719.39
7.4.70.0090.00916.30
7.4.60.0070.01016.41
7.4.50.0030.00616.13
7.4.40.0130.00316.35
7.4.30.0120.00816.38
7.4.00.0000.01514.77
7.3.330.0000.00712.97
7.3.320.0060.00013.07
7.3.310.0040.00416.22
7.3.300.0030.00316.07
7.3.290.0040.01116.13
7.3.280.0110.00816.11
7.3.270.0070.01017.40
7.3.260.0150.00316.20
7.3.250.0050.01416.29
7.3.240.0030.01416.28
7.3.230.0070.01316.46
7.3.210.0100.00716.30
7.3.200.0130.00916.27
7.3.190.0110.00716.30
7.3.180.0090.00916.21
7.3.170.0090.00616.27
7.3.160.0030.01316.33
7.3.120.0080.00814.86
7.2.330.0060.01216.54
7.2.320.0110.01016.41
7.2.310.0080.01016.38
7.2.300.0140.00316.40
7.2.290.0120.00516.23
7.2.80.0070.00716.74
7.2.60.0030.00916.73
7.1.200.0040.00915.47
7.1.70.0030.00316.92
7.1.60.0190.00319.70
7.1.50.0130.01316.88
7.1.00.0100.06722.33
7.0.200.0210.00316.36
7.0.140.0030.07022.01
7.0.60.0130.06720.02
7.0.50.0130.07017.87
7.0.40.0030.04320.12
7.0.30.0270.06320.16
7.0.20.0200.05720.21
7.0.10.0430.07020.09
7.0.00.0100.08319.99
5.6.280.0100.06721.11
5.6.210.0170.07020.66
5.6.200.0170.07318.22
5.6.190.0070.08320.77
5.6.180.0100.07720.45
5.6.170.0170.05020.33
5.6.160.0070.07020.61
5.6.150.0070.08018.23
5.6.140.0170.07018.12
5.6.130.0030.05318.09
5.6.120.0100.03721.11
5.6.110.0100.07721.11
5.6.100.0130.08020.95
5.6.90.0130.07320.96
5.6.80.0100.08020.52
5.6.70.3800.04020.34
5.5.350.0070.07020.29
5.5.340.0100.07317.93
5.5.330.0100.04720.36
5.5.320.0330.08020.32
5.5.310.0200.05320.20
5.5.300.0130.07017.98
5.5.290.0070.08318.02
5.5.280.0070.07720.80
5.5.270.0100.07720.75
5.5.260.0070.08720.75
5.5.250.0170.07720.65
5.5.240.0230.06320.34
5.4.450.0500.04728.29
5.4.440.0430.03728.28
5.4.430.0300.04728.28
5.4.420.0530.04028.28
5.4.410.0200.04328.28
5.4.400.0470.03728.28
5.4.390.0200.05028.28
5.4.380.0100.05718.59
5.4.370.0130.05018.77
5.4.360.0130.07018.51
5.4.350.0170.05018.68
5.4.340.0030.06018.57
5.4.320.0050.03912.45
5.4.310.0090.03512.45
5.4.300.0260.10212.45
5.4.290.0110.05812.45
5.4.280.0170.04812.35
5.4.270.0100.05312.34
5.4.260.0090.05912.34
5.4.250.0130.07612.35
5.4.240.0110.06712.34
5.4.230.0070.06112.34
5.4.220.0130.07912.34
5.4.210.0090.05412.34
5.4.200.0100.05412.34
5.4.190.0120.05712.33
5.4.180.0050.05812.33
5.4.170.0110.05912.35
5.4.160.0180.06812.34
5.4.150.0070.05112.34
5.4.140.0110.06412.02
5.4.130.0070.05112.01
5.4.120.0170.06611.96
5.4.110.0090.06111.96
5.4.100.0060.04911.96
5.4.90.0130.09711.96
5.4.80.0270.14311.96
5.4.70.0090.07511.96
5.4.60.0190.10411.96
5.4.50.0190.07611.96
5.4.40.0280.06411.94
5.4.30.0070.03911.94
5.4.20.0100.06211.95
5.4.10.0240.10311.95
5.4.00.0220.07211.43
5.3.290.0100.04512.80
5.3.280.0190.05212.71
5.3.270.0090.04712.73
5.3.260.0270.06612.72
5.3.250.0170.09812.72
5.3.240.0180.09412.72
5.3.230.0100.05312.71
5.3.220.0100.06212.68
5.3.210.0060.06012.68
5.3.200.0180.07612.68
5.3.190.0100.05012.68
5.3.180.0150.06912.67
5.3.170.0220.09312.67
5.3.160.0170.08212.67
5.3.150.0110.06512.67
5.3.140.0120.08612.66
5.3.130.0140.08412.66
5.3.120.0170.05412.66
5.3.110.0120.06512.66
5.3.100.0140.08312.12
5.3.90.0150.05912.08
5.3.80.0230.09712.08
5.3.70.0130.06012.08
5.3.60.0120.08012.07
5.3.50.0250.09812.00
5.3.40.0200.07012.00
5.3.30.0190.07111.94
5.3.20.0110.04511.72
5.3.10.0060.04311.69
5.3.00.0140.07711.67

preferences:
44.86 ms | 401 KiB | 5 Q