3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Fooer { private $bar; public function cleanBar() { unset($this->bar); } public function doThings() { if ($this->bar) { return 'things'; } return 'no things!'; } } $foo = new Fooer(); $foo->cleanBar(); var_dump($foo->doThings());

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)
8.3.60.0030.01418.55
8.3.50.0150.00621.87
8.3.40.0040.01118.58
8.3.30.0100.00318.91
8.3.20.0040.00420.13
8.3.10.0070.00021.81
8.3.00.0080.00019.26
8.2.180.0120.00916.75
8.2.170.0110.01122.96
8.2.160.0070.00720.29
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00422.25
8.2.110.0080.00020.47
8.2.100.0070.00417.97
8.2.90.0000.00719.05
8.2.80.0000.00917.97
8.2.70.0000.00917.63
8.2.60.0000.00918.04
8.2.50.0050.00318.07
8.2.40.0040.00419.76
8.2.30.0030.00617.98
8.2.20.0040.00717.68
8.2.10.0000.00718.02
8.2.00.0000.01017.49
8.1.280.0110.00725.92
8.1.270.0040.00423.85
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.85
8.1.230.0080.00419.10
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00616.97
8.1.190.0050.00317.00
8.1.180.0040.00418.10
8.1.170.0000.00818.55
8.1.160.0030.00621.93
8.1.150.0020.00518.86
8.1.140.0040.00417.30
8.1.130.0080.00317.81
8.1.120.0000.00817.44
8.1.110.0030.00517.29
8.1.100.0000.00717.37
8.1.90.0040.00417.42
8.1.80.0000.00817.39
8.1.70.0000.00817.38
8.1.60.0060.00317.50
8.1.50.0030.00617.55
8.1.40.0000.00717.38
8.1.30.0080.00017.63
8.1.20.0060.00317.68
8.1.10.0000.00717.41
8.1.00.0000.00717.44
8.0.300.0070.00018.77
8.0.290.0000.00816.63
8.0.280.0000.00718.45
8.0.270.0000.00817.09
8.0.260.0000.00617.09
8.0.250.0030.00316.87
8.0.240.0030.00316.92
8.0.230.0030.00316.90
8.0.220.0080.00016.77
8.0.210.0000.00716.89
8.0.200.0070.00017.03
8.0.190.0040.00416.97
8.0.180.0030.00516.92
8.0.170.0080.00016.80
8.0.160.0040.00416.76
8.0.150.0000.00716.82
8.0.140.0060.00316.90
8.0.130.0030.00313.36
8.0.120.0000.00816.86
8.0.110.0040.00416.86
8.0.100.0040.00416.92
8.0.90.0030.00516.78
8.0.80.0120.00316.90
8.0.70.0040.00416.74
8.0.60.0000.00716.77
8.0.50.0040.00416.75
8.0.30.0070.01217.05
8.0.20.0110.01117.40
8.0.10.0040.00416.86
8.0.00.0090.00716.81
7.4.330.0050.00015.00
7.4.320.0030.00316.47
7.4.300.0080.00016.60
7.4.290.0060.00316.64
7.4.280.0030.00616.63
7.4.270.0000.00716.49
7.4.260.0030.00316.49
7.4.250.0050.00216.55
7.4.240.0020.00516.60
7.4.230.0040.00416.70
7.4.220.0060.01216.44
7.4.210.0060.00916.54
7.4.200.0040.00316.63
7.4.160.0040.01716.64
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0100.00716.57
7.4.120.0120.00516.46
7.4.110.0030.01416.57
7.4.100.0150.00316.55
7.4.90.0090.00916.62
7.4.80.0090.00919.39
7.4.70.0110.00516.52
7.4.60.0040.01116.37
7.4.50.0060.00316.31
7.4.40.0060.01016.29
7.4.30.0120.00916.47
7.4.00.0090.00615.14
7.3.330.0050.00313.28
7.3.320.0030.00313.32
7.3.310.0000.00716.31
7.3.300.0030.00316.13
7.3.290.0000.01416.34
7.3.280.0060.01116.32
7.3.270.0030.01417.40
7.3.260.0160.00716.38
7.3.250.0070.01316.35
7.3.240.0110.00616.30
7.3.230.0130.00316.48
7.3.210.0120.00616.25
7.3.200.0060.01219.39
7.3.190.0070.01016.26
7.3.180.0140.00316.27
7.3.170.0110.00916.52
7.3.160.0090.00616.33
7.2.330.0130.01016.78
7.2.320.0040.01816.73
7.2.310.0150.00616.57
7.2.300.0110.00716.69
7.2.290.0030.01316.80
7.2.60.0030.01216.88
7.2.00.0030.00919.24
7.1.200.0130.00315.68
7.1.100.0400.00615.13
7.1.70.0090.00317.09
7.1.60.0070.00317.13
7.1.50.0130.00716.47
7.1.00.0100.06722.36
7.0.200.0040.01116.40
7.0.140.0070.06721.95
7.0.60.0200.06719.93
7.0.50.0070.06317.89
7.0.40.0130.08320.05
7.0.30.0170.04020.08
7.0.20.0200.05020.10
7.0.10.0100.07320.34
7.0.00.0070.05320.19
5.6.280.0130.06021.08
5.6.210.0100.08020.61
5.6.200.0070.08318.15
5.6.190.0030.05320.49
5.6.180.0300.05020.55
5.6.170.0300.07320.47
5.6.160.0130.07720.46
5.6.150.0100.04718.23
5.6.140.0030.07318.30
5.6.130.0100.05018.21
5.6.120.0070.07320.78
5.6.110.0030.08320.99
5.6.100.0130.08320.99
5.6.90.0100.04021.05
5.6.80.0170.06020.38
5.5.350.0100.08020.34
5.5.340.0070.04017.98
5.5.330.0030.08720.40
5.5.320.0400.07720.24
5.5.310.0200.06720.26
5.5.300.0070.05717.93
5.5.290.0070.04317.96
5.5.280.0030.09020.73
5.5.270.0070.05720.89
5.5.260.0130.08020.73
5.5.250.0170.06320.69
5.5.240.0200.07720.25
5.4.450.0200.05019.60
5.4.440.0600.05319.29
5.4.430.0770.04319.55
5.4.420.0730.00019.45
5.4.410.0630.00019.52
5.4.400.0630.00019.25
5.4.390.0630.00019.16
5.4.380.0630.00019.04
5.4.370.0630.00019.21
5.4.360.0630.00019.13
5.4.350.0670.00019.14
5.4.340.0090.04012.02
5.4.320.0070.04012.51
5.4.310.0050.04312.50
5.4.300.0100.03312.50
5.4.290.0130.04812.50
5.4.280.0050.04112.40
5.4.270.0060.03612.39
5.4.260.0040.04012.40
5.4.250.0040.03912.39
5.4.240.0060.03612.40
5.4.230.0060.03812.39
5.4.220.0060.03612.39
5.4.210.0090.04012.39
5.4.200.0090.03712.39
5.4.190.0020.04112.39
5.4.180.0060.03712.39
5.4.170.0070.03612.40
5.4.160.0080.03412.39
5.4.150.0080.03812.39
5.4.140.0050.04012.07
5.4.130.0070.03612.06
5.4.120.0080.03412.02
5.4.110.0090.03212.02
5.4.100.0060.03512.02
5.4.90.0070.03612.02
5.4.80.0040.03912.02
5.4.70.0100.03112.01
5.4.60.0060.03412.02
5.4.50.0040.03712.01
5.4.40.0040.03612.00
5.4.30.0060.03512.00
5.4.20.0070.03312.00
5.4.10.0090.03112.00
5.4.00.0040.03811.48
5.3.290.0070.03912.80
5.3.280.0090.03512.70
5.3.270.0070.03812.72
5.3.260.0050.04212.72
5.3.250.0130.03812.72
5.3.240.0080.03812.72
5.3.230.0040.04012.71
5.3.220.0050.04012.68
5.3.210.0060.03912.68
5.3.200.0100.03312.68
5.3.190.0050.03812.68
5.3.180.0090.03612.67
5.3.170.0060.03812.67
5.3.160.0080.03912.67
5.3.150.0060.04012.68
5.3.140.0050.03912.66
5.3.130.0080.04112.66
5.3.120.0060.03812.66
5.3.110.0100.03512.66
5.3.100.0050.03712.12
5.3.90.0080.03312.10
5.3.80.0060.03512.09
5.3.70.0080.03412.09
5.3.60.0070.03412.08
5.3.50.0040.03712.03
5.3.40.0040.03812.03
5.3.30.0080.03211.98
5.3.20.0060.03611.77
5.3.10.0070.03511.73
5.3.00.0050.03711.72
5.2.170.0040.0309.23
5.2.160.0060.0289.23
5.2.150.0040.0309.23
5.2.140.0050.0299.22
5.2.130.0030.0349.18
5.2.120.0060.0339.18
5.2.110.0040.0329.18
5.2.100.0030.0319.18
5.2.90.0040.0299.18
5.2.80.0060.0299.17
5.2.70.0040.0309.18
5.2.60.0040.0299.13
5.2.50.0020.0349.10
5.2.40.0060.0279.07
5.2.30.0030.0319.04
5.2.20.0020.0309.04
5.2.10.0060.0278.94
5.2.00.0030.0318.81
5.1.60.0090.0268.09
5.1.50.0030.0258.09
5.1.40.0030.0258.07
5.1.30.0020.0288.41
5.1.20.0030.0278.44
5.1.10.0030.0288.16
5.1.00.0070.0238.16
5.0.50.0000.0246.65
5.0.40.0020.0206.50
5.0.30.0030.0316.32
5.0.20.0050.0186.27
5.0.10.0040.0196.25
5.0.00.0030.0306.25
4.4.90.0020.0154.78
4.4.80.0000.0174.75
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0020.0254.70
4.4.30.0050.0124.76
4.4.20.0050.0134.85
4.4.10.0030.0144.84
4.4.00.0040.0244.76
4.3.110.0020.0164.67
4.3.100.0020.0164.67
4.3.90.0040.0134.64
4.3.80.0050.0234.59
4.3.70.0040.0174.63
4.3.60.0040.0184.62
4.3.50.0050.0214.63
4.3.40.0020.0254.54
4.3.30.0020.0203.30
4.3.20.0010.0173.28
4.3.10.0040.0143.24
4.3.00.0130.0207.33

preferences:
39.71 ms | 401 KiB | 5 Q