3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Mammal { function mate(Mammal $with) { $class = substr(get_class($this), -1) . substr(get_class($with), 1); eval("class $class extends Mammal {}"); return new $class; } } class Panda extends Mammal {} class Dolphin 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)
8.3.60.0140.00316.75
8.3.50.0120.00722.86
8.3.40.0110.00418.67
8.3.30.0060.01119.14
8.3.20.0090.00020.29
8.3.10.0080.00420.44
8.3.00.0040.00419.38
8.2.180.0110.01116.50
8.2.170.0070.01422.96
8.2.160.0140.00020.45
8.2.150.0040.01124.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0080.00021.04
8.2.110.0030.00620.89
8.2.100.0040.00717.91
8.2.90.0060.00317.84
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0070.00017.92
8.2.50.0080.00318.07
8.2.40.0040.00418.22
8.2.30.0020.00519.55
8.2.20.0040.00417.60
8.2.10.0080.00018.00
8.2.00.0080.00017.73
8.1.280.0100.01025.92
8.1.270.0040.00422.05
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00320.80
8.1.230.0090.00320.85
8.1.220.0030.00517.74
8.1.210.0000.00918.85
8.1.200.0040.00917.48
8.1.190.0040.00417.35
8.1.180.0030.00518.10
8.1.170.0040.00418.46
8.1.160.0000.00722.01
8.1.150.0070.00018.79
8.1.140.0060.00317.45
8.1.130.0070.00017.81
8.1.120.0040.00417.36
8.1.110.0050.00317.36
8.1.100.0050.00217.49
8.1.90.0050.00217.41
8.1.80.0040.00417.35
8.1.70.0030.00317.41
8.1.60.0070.00417.60
8.1.50.0040.00417.42
8.1.40.0000.00817.54
8.1.30.0040.00417.62
8.1.20.0040.00417.63
8.1.10.0070.00017.61
8.1.00.0030.00517.47
8.0.300.0000.00819.90
8.0.290.0080.00016.75
8.0.280.0080.00018.45
8.0.270.0060.00317.25
8.0.260.0000.00717.25
8.0.250.0000.00817.01
8.0.240.0000.00817.06
8.0.230.0030.00316.99
8.0.220.0000.00816.86
8.0.210.0000.00716.83
8.0.200.0030.00317.01
8.0.190.0000.00817.02
8.0.180.0040.00416.95
8.0.170.0000.00816.96
8.0.160.0050.00317.08
8.0.150.0000.00816.88
8.0.140.0020.00516.95
8.0.130.0030.00313.37
8.0.120.0000.00816.92
8.0.110.0040.00416.90
8.0.100.0000.00716.85
8.0.90.0070.00016.85
8.0.80.0060.00916.91
8.0.70.0000.00816.84
8.0.60.0000.00816.91
8.0.50.0040.00416.90
8.0.30.0110.00817.05
8.0.20.0070.01317.40
8.0.10.0000.00716.90
8.0.00.0090.00916.74
7.4.330.0030.00315.01
7.4.320.0000.00616.58
7.4.300.0060.00016.60
7.4.290.0030.00316.46
7.4.280.0000.00716.59
7.4.270.0020.00516.66
7.4.260.0000.00816.52
7.4.250.0040.00416.54
7.4.240.0020.00516.53
7.4.230.0000.00716.41
7.4.220.0120.01116.53
7.4.210.0000.01516.39
7.4.200.0050.00216.52
7.4.160.0080.00816.59
7.4.150.0150.00417.40
7.4.140.0070.01017.86
7.4.130.0050.01216.66
7.4.120.0090.00816.54
7.4.110.0080.00816.43
7.4.100.0030.02016.58
7.4.90.0080.00816.38
7.4.80.0080.00819.39
7.4.70.0060.01016.42
7.4.60.0030.01216.52
7.4.50.0030.00316.54
7.4.40.0000.02216.49
7.4.30.0000.02116.48
7.4.00.0090.00615.05
7.3.330.0050.00013.34
7.3.320.0000.00613.34
7.3.310.0040.00416.38
7.3.300.0030.00316.26
7.3.290.0120.00316.36
7.3.280.0070.01116.33
7.3.270.0040.01517.40
7.3.260.0180.00016.37
7.3.250.0120.00816.41
7.3.240.0060.01116.33
7.3.230.0120.00516.39
7.3.210.0090.00916.56
7.3.200.0070.01319.39
7.3.190.0070.00716.48
7.3.180.0180.00416.37
7.3.170.0060.01016.47
7.3.160.0090.01316.45
7.2.330.0180.00616.82
7.2.320.0100.00716.53
7.2.310.0060.01116.71
7.2.300.0070.01416.39
7.2.290.0030.01316.61
7.2.00.0100.00619.46
7.1.100.0040.00718.14
7.1.70.0040.00417.24
7.1.60.0140.01019.61
7.1.50.0060.02316.96
7.1.00.0100.07022.28
7.0.200.0040.00416.81
7.0.140.0070.07022.07
7.0.60.0000.05319.97
7.0.50.0130.07017.89
7.0.40.0030.08020.25
7.0.30.0370.08020.20
7.0.20.0230.08020.15
7.0.10.0130.08020.09
7.0.00.0100.08020.06
5.6.280.0030.07021.09
5.6.210.0130.07720.57
5.6.200.0070.04018.22
5.6.190.0000.04320.39
5.6.180.0330.04720.52
5.6.170.0270.05320.47
5.6.160.0100.04720.44
5.6.150.0030.04318.15
5.6.140.0030.04318.19
5.6.130.0130.08018.24
5.6.120.0030.05720.94
5.6.110.0000.04320.96
5.6.100.0130.03721.13
5.6.90.0070.06020.97
5.6.80.0030.05320.43
5.5.350.0170.07720.34
5.5.340.0030.04018.03
5.5.330.0070.07720.19
5.5.320.0330.07720.31
5.5.310.0330.07020.36
5.5.300.0030.08017.95
5.5.290.0100.05318.01
5.5.280.0200.07020.85
5.5.270.0000.04320.76
5.5.260.0100.04720.93
5.5.250.0130.08020.59
5.5.240.0170.07020.27
5.4.450.0270.04319.43
5.4.440.0230.04319.48
5.4.430.0200.04019.52
5.4.420.0230.03319.45
5.4.410.0300.04019.07
5.4.400.0430.03719.23
5.4.390.0400.04318.84
5.4.380.0270.06018.57
5.4.370.0200.05718.73
5.4.360.0330.04318.56
5.4.350.0300.06018.81
5.4.340.0170.05318.61
5.4.320.0070.03612.50
5.4.310.0080.03612.50
5.4.300.0050.04012.51
5.4.290.0060.04212.50
5.4.280.0080.04112.39
5.4.270.0080.04112.39
5.4.260.0030.04112.39
5.4.250.0070.03612.39
5.4.240.0070.03512.39
5.4.230.0050.03812.38
5.4.220.0080.03412.39
5.4.210.0090.03812.39
5.4.200.0060.03812.39
5.4.190.0090.03212.38
5.4.180.0070.03712.38
5.4.170.0080.03512.40
5.4.160.0070.04112.39
5.4.150.0120.03212.39
5.4.140.0100.03512.07
5.4.130.0050.03812.05
5.4.120.0050.03612.02
5.4.110.0060.03612.02
5.4.100.0040.04212.02
5.4.90.0080.03712.01
5.4.80.0090.03512.01
5.4.70.0080.03312.00
5.4.60.0070.03412.01
5.4.50.0070.03512.01
5.4.40.0070.03311.99
5.4.30.0090.03411.99
5.4.20.0100.04011.99
5.4.10.0060.04412.00
5.4.00.0050.03811.48
5.3.290.0080.05512.80
5.3.280.0080.05012.71
5.3.270.0080.03912.72
5.3.260.0100.04312.72
5.3.250.0130.03512.72
5.3.240.0070.03912.72
5.3.230.0040.04012.70
5.3.220.0060.03712.68
5.3.210.0140.03912.68
5.3.200.0050.04012.68
5.3.190.0070.04012.68
5.3.180.0070.03812.67
5.3.170.0110.03312.67
5.3.160.0100.05012.68
5.3.150.0100.05212.67
5.3.140.0060.04612.66
5.3.130.0050.04212.66
5.3.120.0040.04312.66
5.3.110.0080.03812.66
5.3.100.0090.04012.12
5.3.90.0100.03412.11
5.3.80.0070.03812.10
5.3.70.0060.04312.09
5.3.60.0080.04112.08
5.3.50.0060.03812.03
5.3.40.0120.04412.03
5.3.30.0060.04511.98
5.3.20.0020.04211.77
5.3.10.0090.03311.73
5.3.00.0070.03711.72
5.2.170.0060.0329.22
5.2.160.0040.0319.23
5.2.150.0090.0289.22
5.2.140.0060.0329.22
5.2.130.0030.0339.18
5.2.120.0070.0289.18
5.2.110.0060.0299.19
5.2.100.0050.0409.18
5.2.90.0050.0339.19
5.2.80.0110.0289.18
5.2.70.0060.0319.18
5.2.60.0110.0339.13
5.2.50.0090.0269.10
5.2.40.0060.0309.08
5.2.30.0080.0399.06
5.2.20.0060.0319.05
5.2.10.0040.0338.95
5.2.00.0030.0338.82
5.1.60.0030.0258.09
5.1.50.0060.0238.09
5.1.40.0040.0248.08
5.1.30.0080.0248.42
5.1.20.0080.0248.45
5.1.10.0060.0258.17
5.1.00.0050.0278.17
5.0.50.0050.0216.65
5.0.40.0050.0226.51
5.0.30.0030.0326.32
5.0.20.0040.0196.29
5.0.10.0020.0226.27
5.0.00.0020.0326.26
4.4.90.0050.0134.78
4.4.80.0070.0124.76
4.4.70.0040.0184.76
4.4.60.0040.0154.76
4.4.50.0020.0194.77
4.4.40.0030.0344.71
4.4.30.0030.0204.76
4.4.20.0030.0154.84
4.4.10.0040.0154.85
4.4.00.0040.0244.76
4.3.110.0030.0184.67
4.3.100.0050.0224.66
4.3.90.0060.0204.63
4.3.80.0060.0324.59
4.3.70.0040.0204.63
4.3.60.0040.0204.63
4.3.50.0050.0204.63
4.3.40.0060.0294.53
4.3.30.0040.0193.30
4.3.20.0050.0163.28
4.3.10.0040.0173.24
4.3.00.0100.01718.16

preferences:
42.95 ms | 401 KiB | 5 Q