3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function muta($bar) { $new = &$this; $new = $bar; } } $a = new foo; $a->muta(new stdClass); echo get_class($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)
8.3.60.0120.00618.55
8.3.50.0140.00522.95
8.3.40.0040.01118.79
8.3.30.0000.01419.13
8.3.20.0040.00420.33
8.3.10.0080.00023.57
8.3.00.0030.00519.38
8.2.180.0130.00318.08
8.2.170.0180.00022.96
8.2.160.0070.00720.28
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0140.00026.16
8.2.120.0050.00321.09
8.2.110.0030.00622.04
8.2.100.0070.00417.91
8.2.90.0050.00319.22
8.2.80.0040.00417.97
8.2.70.0090.00317.50
8.2.60.0030.00717.80
8.2.50.0000.00918.07
8.2.40.0040.00418.34
8.2.30.0020.00518.05
8.2.20.0060.00317.70
8.2.10.0040.00417.98
8.2.00.0040.00417.53
8.1.280.0110.00425.92
8.1.270.0030.00623.92
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00723.98
8.1.230.0040.00819.07
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0090.00317.35
8.1.190.0030.00517.23
8.1.180.0060.00318.10
8.1.170.0030.00518.53
8.1.160.0000.00721.95
8.1.150.0040.00418.86
8.1.140.0040.00417.25
8.1.130.0030.00317.80
8.1.120.0040.00417.30
8.1.110.0050.00317.38
8.1.100.0070.00017.37
8.1.90.0030.00817.39
8.1.80.0040.00417.30
8.1.70.0070.00017.39
8.1.60.0040.00417.56
8.1.50.0040.00417.40
8.1.40.0040.00417.51
8.1.30.0040.00417.64
8.1.20.0040.00417.65
8.1.10.0050.00317.45
8.1.00.0050.00317.50
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00818.36
8.0.270.0040.00417.10
8.0.260.0000.00617.13
8.0.250.0030.00316.82
8.0.240.0030.00316.98
8.0.230.0090.00016.86
8.0.220.0050.00216.80
8.0.210.0040.00416.69
8.0.200.0060.00016.90
8.0.190.0000.00816.86
8.0.180.0080.00016.74
8.0.170.0060.00316.75
8.0.160.0000.00716.80
8.0.150.0020.00516.74
8.0.140.0000.00816.83
8.0.130.0030.00313.26
8.0.120.0070.00016.81
8.0.110.0000.00716.80
8.0.100.0040.00416.86
8.0.90.0000.00716.63
8.0.80.0060.00916.86
8.0.70.0040.00416.69
8.0.60.0050.00316.78
8.0.50.0000.00716.63
8.0.30.0130.01117.00
8.0.20.0120.00817.40
8.0.10.0080.00016.95
8.0.00.0140.00516.71
7.4.330.0030.00315.00
7.4.320.0030.00316.50
7.4.300.0000.00916.40
7.4.290.0080.00016.60
7.4.280.0000.00716.61
7.4.270.0070.00016.60
7.4.260.0030.00316.59
7.4.250.0070.00016.47
7.4.240.0020.00516.59
7.4.230.0030.00316.34
7.4.220.0130.00316.67
7.4.210.0070.00716.61
7.4.200.0030.00316.57
7.4.160.0040.01216.47
7.4.150.0180.00617.40
7.4.140.0120.00917.86
7.4.130.0100.00616.36
7.4.120.0110.00616.56
7.4.110.0060.01016.49
7.4.100.0070.01016.32
7.4.90.0070.01016.44
7.4.80.0090.00919.39
7.4.70.0030.01716.71
7.4.60.0100.00716.42
7.4.50.0000.00716.52
7.4.40.0040.01216.32
7.4.30.0130.00316.54
7.4.00.0060.00614.53
7.3.330.0000.00513.25
7.3.320.0030.00613.14
7.3.310.0030.00316.23
7.3.300.0060.00016.21
7.3.290.0090.00616.29
7.3.280.0090.00816.27
7.3.270.0130.01017.40
7.3.260.0110.00716.62
7.3.250.0100.00616.42
7.3.240.0060.01216.65
7.3.230.0110.00616.41
7.3.210.0130.01016.54
7.3.200.0070.01019.39
7.3.190.0100.00716.37
7.3.180.0060.00916.38
7.3.170.0130.00316.47
7.3.160.0130.00316.38
7.2.330.0100.00716.76
7.2.320.0120.00616.44
7.2.310.0130.01016.75
7.2.300.0090.01316.81
7.2.290.0090.00916.82
7.2.60.0060.00616.86
7.1.200.0000.01115.73
7.1.100.0170.00318.02
7.1.70.0030.00717.16
7.1.60.0100.01419.40
7.1.50.0090.01616.98
7.1.00.0000.08022.45
7.0.200.0000.00716.79
7.0.140.0030.07322.09
7.0.60.0100.06720.09
7.0.50.0170.06317.87
7.0.40.0070.08720.11
7.0.30.0170.09720.10
7.0.20.0170.05320.23
7.0.10.0070.06320.10
7.0.00.0030.06020.24
5.6.280.0030.07321.15
5.6.210.0070.06020.57
5.6.200.0070.08018.16
5.6.190.0100.03720.48
5.6.180.4030.04720.48
5.6.170.0270.03320.62
5.6.160.0030.04020.44
5.6.150.0000.07318.18
5.6.140.0070.05018.15
5.6.130.0030.06318.14
5.6.120.0030.09021.15
5.6.110.0070.04320.99
5.6.100.0130.07721.04
5.6.90.0070.07320.95
5.6.80.0030.09020.50
5.6.70.4230.03320.40
5.5.350.0270.04020.48
5.5.340.0000.06317.96
5.5.330.0130.07720.37
5.5.320.0170.04320.49
5.5.310.0330.07320.19
5.5.300.0030.03717.93
5.5.290.0070.06017.96
5.5.280.0100.08720.87
5.5.270.0070.07020.64
5.5.260.0030.04020.86
5.5.250.0100.08320.45
5.5.240.0230.08020.07
5.4.450.0200.05719.61
5.4.440.0870.07019.38
5.4.430.0570.05019.30
5.4.420.0500.05719.40
5.4.410.0030.05718.94
5.4.400.0370.05718.83
5.4.390.0470.05018.73
5.4.380.0070.05318.64
5.4.370.0100.03718.74
5.4.360.0030.04718.58
5.4.350.0050.03612.02
5.4.340.0070.04612.02
5.4.320.0050.04512.50
5.4.310.0020.04112.50
5.4.300.0090.03312.50
5.4.290.0010.04612.50
5.4.280.0090.04612.39
5.4.270.0070.05012.39
5.4.260.0060.03712.39
5.4.250.0070.03612.39
5.4.240.0050.04212.39
5.4.230.0070.03812.39
5.4.220.0090.03312.39
5.4.210.0040.03612.38
5.4.200.0040.04512.39
5.4.190.0040.04112.38
5.4.180.0050.03612.38
5.4.170.0060.04212.39
5.4.160.0070.03512.39
5.4.150.0070.03512.39
5.4.140.0070.03712.07
5.4.130.0050.03712.05
5.4.120.0090.03612.02
5.4.110.0070.03512.01
5.4.100.0040.03612.01
5.4.90.0060.04112.01
5.4.80.0090.03312.01
5.4.70.0070.03312.01
5.4.60.0060.03312.01
5.4.50.0020.03812.00
5.4.40.0050.03512.00
5.4.30.0050.03511.99
5.4.20.0080.03712.00
5.4.10.0050.03812.00
5.4.00.0080.03311.48
5.3.290.0060.03912.80
5.3.280.0080.03412.71
5.3.270.0070.03912.73
5.3.260.0070.03812.72
5.3.250.0040.03812.72
5.3.240.0060.03912.72
5.3.230.0060.03812.71
5.3.220.0050.03712.68
5.3.210.0070.03712.68
5.3.200.0060.03512.68
5.3.190.0060.03612.67
5.3.180.0070.03312.67
5.3.170.0080.03312.67
5.3.160.0100.03212.67
5.3.150.0070.03512.67
5.3.140.0100.03612.66
5.3.130.0060.04912.66
5.3.120.0070.04212.66
5.3.110.0090.03512.66
5.3.100.0090.03312.12
5.3.90.0070.03412.09
5.3.80.0080.03912.09
5.3.70.0060.03512.09
5.3.60.0050.03612.07
5.3.50.0060.03712.03
5.3.40.0050.03612.03
5.3.30.0090.04611.98
5.3.20.0050.03511.77
5.3.10.0050.03511.72
5.3.00.0040.03711.71
5.2.170.0060.0289.22
5.2.160.0050.0319.22
5.2.150.0050.0389.22
5.2.140.0070.0319.22
5.2.130.0050.0359.18
5.2.120.0080.0249.18
5.2.110.0010.0349.18
5.2.100.0030.0319.18
5.2.90.0060.0269.18
5.2.80.0050.0319.18
5.2.70.0060.0299.18
5.2.60.0030.0329.13
5.2.50.0060.0279.09
5.2.40.0050.0289.07
5.2.30.0060.0299.05
5.2.20.0070.0319.03
5.2.10.0040.0288.94
5.2.00.0050.0308.80
5.1.60.0070.0288.09
5.1.50.0060.0298.08
5.1.40.0050.0298.07
5.1.30.0020.0288.41
5.1.20.0020.0298.44
5.1.10.0030.0348.16
5.1.00.0040.0268.16
5.0.50.0040.0226.64
5.0.40.0080.0206.50
5.0.30.0020.0406.32
5.0.20.0050.0266.27
5.0.10.0050.0176.25
5.0.00.0020.0316.25
4.4.90.0040.0144.78
4.4.80.0030.0204.76
4.4.70.0070.0114.75
4.4.60.0010.0184.75
4.4.50.0040.0134.77
4.4.40.0030.0284.71
4.4.30.0060.0114.76
4.4.20.0050.0194.84
4.4.10.0020.0204.85
4.4.00.0040.0224.76
4.3.110.0040.0224.67
4.3.100.0030.0184.66
4.3.90.0040.0144.63
4.3.80.0020.0254.59
4.3.70.0030.0144.63
4.3.60.0050.0194.62
4.3.50.0040.0144.63
4.3.40.0020.0254.53
4.3.30.0030.0143.30
4.3.20.0030.0143.28
4.3.10.0010.0163.23
4.3.00.0070.0207.55

preferences:
36.25 ms | 400 KiB | 5 Q