3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace MyNamespace\Overwrite; function test() { echo 1; } namespace MyNamespace\Another; function test() { echo 2; } echo __NAMESPACE__, test(); \MyNamespace\Overwrite\test();

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)
8.3.60.0040.01218.30
8.3.50.0150.00621.98
8.3.40.0120.00318.84
8.3.30.0120.00319.12
8.3.20.0040.00420.22
8.3.10.0040.00421.82
8.3.00.0080.00022.36
8.2.180.0140.00416.32
8.2.170.0060.00922.96
8.2.160.0100.00320.82
8.2.150.0060.00324.18
8.2.140.0070.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00417.63
8.2.110.0030.00722.20
8.2.100.0090.00317.59
8.2.90.0040.00419.22
8.2.80.0090.00017.97
8.2.70.0030.00717.50
8.2.60.0050.00317.68
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0040.00417.86
8.2.20.0040.00417.46
8.2.10.0000.00717.55
8.2.00.0060.00317.54
8.1.280.0110.00725.92
8.1.270.0030.00622.19
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00723.79
8.1.230.0080.00418.97
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0030.00517.40
8.1.180.0080.00018.10
8.1.170.0000.00818.36
8.1.160.0040.00421.93
8.1.150.0040.00418.40
8.1.140.0040.00417.19
8.1.130.0000.00717.66
8.1.120.0040.00417.37
8.1.110.0040.00417.19
8.1.100.0000.00717.33
8.1.90.0040.00317.17
8.1.80.0040.00417.22
8.1.70.0000.00817.29
8.1.60.0030.00517.55
8.1.50.0030.00517.43
8.1.40.0060.00317.31
8.1.30.0000.00817.46
8.1.20.0000.00817.62
8.1.10.0000.00717.34
8.1.00.0070.00017.38
8.0.300.0030.00318.77
8.0.290.0000.00717.18
8.0.280.0050.00318.39
8.0.270.0030.00317.25
8.0.260.0030.00316.70
8.0.250.0070.00016.80
8.0.240.0070.00016.75
8.0.230.0070.00016.70
8.0.220.0000.00716.68
8.0.210.0050.00216.76
8.0.200.0000.00616.81
8.0.190.0020.00516.82
8.0.180.0000.00716.82
8.0.170.0040.00416.75
8.0.160.0030.00316.80
8.0.150.0060.00316.70
8.0.140.0030.00316.78
8.0.130.0000.00513.22
8.0.120.0030.00516.62
8.0.110.0040.00416.58
8.0.100.0000.00716.77
8.0.90.0030.00516.59
8.0.80.0110.00616.80
8.0.70.0000.00716.85
8.0.60.0000.00816.71
8.0.50.0000.00716.61
8.0.30.0150.00516.86
8.0.20.0110.00717.40
8.0.10.0000.00816.87
8.0.00.0110.00816.81
7.4.330.0000.00515.00
7.4.320.0030.00316.38
7.4.300.0000.00616.47
7.4.290.0080.00016.57
7.4.280.0000.00716.27
7.4.270.0000.00616.46
7.4.260.0000.00616.39
7.4.250.0000.00716.39
7.4.240.0020.00516.36
7.4.230.0040.00416.43
7.4.220.0090.00916.38
7.4.210.0090.00816.54
7.4.200.0000.00716.64
7.4.190.0000.00716.55
7.4.160.0070.00716.23
7.4.150.0110.00617.40
7.4.140.0170.01217.86
7.4.130.0060.01316.40
7.4.120.0040.01316.40
7.4.110.0120.01216.46
7.4.100.0120.00616.50
7.4.90.0040.01316.24
7.4.80.0100.00719.39
7.4.70.0000.01716.55
7.4.60.0120.00416.31
7.4.50.0040.00416.39
7.4.40.0030.01322.77
7.4.30.0070.00716.14
7.4.00.0060.00914.72
7.3.330.0030.00313.24
7.3.320.0050.00013.24
7.3.310.0030.00316.14
7.3.300.0030.00316.11
7.3.290.0090.00616.16
7.3.280.0100.00716.23
7.3.270.0090.00617.40
7.3.260.0100.00616.22
7.3.250.0100.00716.40
7.3.240.0090.01216.29
7.3.230.0160.00816.45
7.3.210.0060.01516.22
7.3.200.0140.00619.39
7.3.190.0060.00916.53
7.3.180.0060.00916.31
7.3.170.0060.00916.32
7.3.160.0120.00416.45
7.3.120.0110.00414.98
7.2.330.0100.00716.58
7.2.320.0070.01016.72
7.2.310.0150.00616.36
7.2.300.0100.00716.52
7.2.290.0140.00716.57
7.2.60.0070.00416.60
7.1.200.0030.00615.84
7.1.70.0050.00316.80
7.1.60.0110.00319.82
7.1.50.0040.01216.90
7.1.00.0000.08022.24
7.0.200.0030.00316.66
7.0.140.0100.07021.97
7.0.60.0200.06020.00
7.0.50.0000.04317.97
7.0.40.0070.07320.11
7.0.30.0200.07320.30
7.0.20.0270.08320.30
7.0.10.0300.07020.16
7.0.00.0070.04020.31
5.6.280.0000.07721.15
5.6.210.0100.08020.47
5.6.200.0070.08718.19
5.6.190.0100.06320.52
5.6.180.0270.04320.42
5.6.170.0270.03720.62
5.6.160.0100.07320.56
5.6.150.0030.07718.20
5.6.140.0070.08318.14
5.6.130.0070.07318.20
5.6.120.0130.03320.99
5.6.110.0070.06721.13
5.6.100.0100.08321.01
5.6.90.0070.07321.12
5.6.80.0000.09020.51
5.6.70.0330.06720.39
5.5.350.0230.03020.53
5.5.340.0030.05017.98
5.5.330.0000.04320.31
5.5.320.0300.07320.28
5.5.310.0230.05720.34
5.5.300.0130.07717.92
5.5.290.0070.07317.93
5.5.280.0030.04020.72
5.5.270.0100.03720.89
5.5.260.0100.07720.88
5.5.250.0230.07020.60
5.5.240.0070.07720.16
5.4.450.0800.05319.61
5.4.440.0100.05719.59
5.4.430.0170.04719.64
5.4.420.0030.06319.35
5.4.410.0100.05318.95
5.4.400.0170.04718.75
5.4.390.0100.06018.73
5.4.380.0270.05018.73
5.4.370.0100.06018.56
5.4.360.0200.05018.59
5.4.350.0170.05318.84
5.4.340.0170.05318.47
5.4.320.0090.03812.50
5.4.310.0070.03712.50
5.4.300.0100.03612.50
5.4.290.0060.03912.50
5.4.280.0060.03712.40
5.4.270.0080.03812.37
5.4.260.0060.04112.37
5.4.250.0100.03912.37
5.4.240.0080.05012.36
5.4.230.0110.07612.36
5.4.220.0090.05312.35
5.4.210.0080.05212.35
5.4.200.0100.06112.36
5.4.190.0050.04012.36
5.4.180.0060.03712.35
5.4.170.0060.04212.36
5.4.160.0060.03812.36
5.4.150.0050.03712.35
5.4.140.0060.03812.04
5.4.130.0030.03912.02
5.4.120.0070.04311.99
5.4.110.0030.04811.98
5.4.100.0100.03011.98
5.4.90.0070.03711.98
5.4.80.0100.04911.98
5.4.70.0090.04911.98
5.4.60.0100.04411.98
5.4.50.0100.04911.97
5.4.40.0060.04011.96
5.4.30.0040.04011.96
5.4.20.0100.04611.96
5.4.10.0110.04511.96
5.4.00.0090.05111.45
5.3.290.0110.04012.80
5.3.280.0080.05012.71
5.3.270.0080.05012.72
5.3.260.0070.04412.72
5.3.250.0050.04712.72
5.3.240.0080.05212.72
5.3.230.0110.05212.71
5.3.220.0140.05012.68
5.3.210.0140.08112.68
5.3.200.0100.04812.68
5.3.190.0100.04712.68
5.3.180.0140.04712.68
5.3.170.0100.04512.67
5.3.160.0090.05012.67
5.3.150.0100.05012.67
5.3.140.0140.04712.66
5.3.130.0100.06512.65
5.3.120.0080.05612.66
5.3.110.0050.05312.66
5.3.100.0120.06212.11
5.3.90.0080.05312.08
5.3.80.0130.05112.07
5.3.70.0090.04612.07
5.3.60.0090.05312.06
5.3.50.0120.04412.00
5.3.40.0080.03612.00
5.3.30.0070.03611.95
5.3.20.0060.03611.73
5.3.10.0080.03411.70
5.3.00.0050.03911.68
5.2.170.0050.0439.15
5.2.160.0070.0409.15
5.2.150.0050.0379.15
5.2.140.0070.0399.15
5.2.130.0060.0389.11
5.2.120.0080.0389.11
5.2.110.0030.0389.11
5.2.100.0040.0309.11
5.2.90.0060.0309.11
5.2.80.0020.0359.10
5.2.70.0080.0429.09
5.2.60.0070.0419.05
5.2.50.0080.0439.03
5.2.40.0040.0309.00
5.2.30.0020.0338.98
5.2.20.0040.0308.96
5.2.10.0040.0298.89
5.2.00.0090.0338.75
5.1.60.0040.0268.03
5.1.50.0020.0278.03
5.1.40.0030.0308.02
5.1.30.0040.0268.36
5.1.20.0040.0358.39
5.1.10.0040.0268.12
5.1.00.0010.0298.11
5.0.50.0040.0206.59
5.0.40.0060.0266.45
5.0.30.0010.0396.26
5.0.20.0020.0216.24
5.0.10.0030.0206.21
5.0.00.0060.0286.21
4.4.90.0030.0154.78
4.4.80.0040.0164.75
4.4.70.0020.0174.76
4.4.60.0050.0144.76
4.4.50.0030.0174.77
4.4.40.0040.0274.71
4.4.30.0050.0154.76
4.4.20.0050.0144.85
4.4.10.0030.0164.85
4.4.00.0030.0254.76
4.3.110.0020.0174.66
4.3.100.0030.0154.67
4.3.90.0030.0144.63
4.3.80.0020.0254.58
4.3.70.0040.0134.63
4.3.60.0040.0154.63
4.3.50.0010.0174.63
4.3.40.0010.0264.54
4.3.30.0030.0193.27
4.3.20.0060.0123.25
4.3.10.0010.0173.22
4.3.00.0030.02015.60

preferences:
39.43 ms | 401 KiB | 5 Q