3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Mammal { function mate(Mammal $with) { $thisClass = get_class($this); $withClass = get_class($with); $class = substr($thisClass, 0, -rand(1, strlen($thisClass) - 1)) . substr($withClass, rand(1, strlen($withClass) - 1)); eval("class $class extends Mammal {}"); return new $class; } } class Panda extends Mammal {} class Dolphin extends Mammal {} class Squirrel extends Mammal {} class Kangaroo extends Mammal {} $mingmong = new Panda; $charles = new Dolphin; $charlimong = $mingmong->mate($charles); var_dump($charlimong);

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)
7.2.00.0070.01119.53
7.1.70.0030.00317.34
7.1.60.0100.01619.61
7.1.50.0090.00916.61
7.1.00.0030.09022.37
7.0.200.0000.01016.82
7.0.140.0030.07322.11
7.0.60.0100.07719.88
7.0.50.0070.05717.89
7.0.40.0000.05020.40
7.0.30.0300.07720.08
7.0.20.0230.07720.22
7.0.10.0100.06020.07
7.0.00.0030.07020.09
5.6.280.0070.07021.00
5.6.210.0100.08320.70
5.6.200.0000.04318.18
5.6.190.0030.04020.52
5.6.180.0400.04320.63
5.6.170.0370.04720.48
5.6.160.0070.04720.57
5.6.150.0070.05018.16
5.6.140.0070.03718.18
5.6.130.0030.05718.23
5.6.120.0100.08020.80
5.6.110.0070.04021.05
5.6.100.0100.06020.96
5.6.90.0170.07321.11
5.6.80.0200.07020.54
5.5.350.0130.07020.38
5.5.340.0030.04018.07
5.5.330.0030.05020.46
5.5.320.0400.04020.36
5.5.310.0300.05020.32
5.5.300.0070.07017.98
5.5.290.0030.05317.96
5.5.280.0070.08320.77
5.5.270.0070.03720.86
5.5.260.0170.07720.77
5.5.250.0070.04720.62
5.5.240.0130.08320.18
5.4.450.0070.04719.28
5.4.440.0330.04319.17
5.4.430.0130.04319.19
5.4.420.0330.03019.54
5.4.410.0400.04019.36
5.4.400.0030.04719.07
5.4.390.0230.04019.20
5.4.380.0330.07318.70
5.4.370.0330.07318.51
5.4.360.0270.05718.48
5.4.350.0230.07718.79
5.4.340.0100.06318.73
5.4.320.0120.04912.52
5.4.310.0100.05212.51
5.4.300.0110.05712.52
5.4.290.0120.05512.51
5.4.280.0140.05412.41
5.4.270.0080.05612.41
5.4.260.0120.05112.40
5.4.250.0100.05712.41
5.4.240.0150.05212.41
5.4.230.0080.04612.39
5.4.220.0130.04912.40
5.4.210.0070.04912.40
5.4.200.0100.03912.40
5.4.190.0070.03912.39
5.4.180.0090.04912.39
5.4.170.0120.04612.40
5.4.160.0120.05112.41
5.4.150.0110.04612.40
5.4.140.0090.05412.09
5.4.130.0090.04612.07
5.4.120.0070.04312.03
5.4.110.0040.04112.03
5.4.100.0050.04512.02
5.4.90.0160.04312.03
5.4.80.0100.03312.02
5.4.70.0060.03512.02
5.4.60.0080.03412.02
5.4.50.0070.03612.02
5.4.40.0060.03712.01
5.4.30.0080.05712.01
5.4.20.0040.04512.00
5.4.10.0070.03512.01
5.4.00.0060.04211.50
5.3.290.0090.03812.80
5.3.280.0120.04412.70
5.3.270.0120.04712.73
5.3.260.0060.04412.72
5.3.250.0120.03212.72
5.3.240.0080.03612.72
5.3.230.0080.04212.71
5.3.220.0070.04312.68
5.3.210.0090.03712.68
5.3.200.0070.05312.68
5.3.190.0110.03712.68
5.3.180.0100.03412.68
5.3.170.0070.04212.67
5.3.160.0070.03912.67
5.3.150.0050.04012.67
5.3.140.0060.03712.66
5.3.130.0070.03712.65
5.3.120.0080.03712.66
5.3.110.0070.03712.66
5.3.100.0080.03412.13
5.3.90.0050.03612.11
5.3.80.0080.03412.11
5.3.70.0040.03812.10
5.3.60.0060.03712.09
5.3.50.0080.03712.04
5.3.40.0070.05012.04
5.3.30.0120.04711.99
5.3.20.0080.04811.78
5.3.10.0100.04611.74
5.3.00.0080.04911.73
5.2.170.0050.0369.23
5.2.160.0040.0309.24
5.2.150.0080.0279.23
5.2.140.0060.0309.23
5.2.130.0030.0319.19
5.2.120.0080.0279.19
5.2.110.0080.0339.20
5.2.100.0060.0289.20
5.2.90.0080.0409.20
5.2.80.0070.0299.18
5.2.70.0070.0299.18
5.2.60.0050.0399.15
5.2.50.0070.0349.11
5.2.40.0090.0309.08
5.2.30.0060.0309.07
5.2.20.0080.0319.05
5.2.10.0080.0348.96
5.2.00.0070.0298.82
5.1.60.0070.0238.10
5.1.50.0040.0268.09
5.1.40.0020.0288.08
5.1.30.0010.0298.43
5.1.20.0050.0278.45
5.1.10.0030.0318.17
5.1.00.0040.0288.17
5.0.50.0040.0206.65
5.0.40.0020.0206.51
5.0.30.0070.0296.33
5.0.20.0030.0196.30
5.0.10.0050.0196.28
5.0.00.0040.0336.27
4.4.90.0070.0154.78
4.4.80.0010.0174.75
4.4.70.0040.0144.75
4.4.60.0040.0174.75
4.4.50.0050.0184.77
4.4.40.0040.0274.70
4.4.30.0050.0184.76
4.4.20.0030.0184.85
4.4.10.0020.0174.85
4.4.00.0020.0264.76
4.3.110.0010.0174.66
4.3.100.0040.0144.67
4.3.90.0030.0154.64
4.3.80.0020.0244.59
4.3.70.0020.0144.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0010.0254.54
4.3.30.0020.0163.30
4.3.20.0010.0173.29
4.3.10.0020.0153.24
4.3.00.0030.01718.16

preferences:
38.58 ms | 401 KiB | 5 Q