3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface FooInterface { public function get(); } class Foo implements FooInterface { protected $thing = 5; public function &get() { return $this->thing; } } $foo = new Foo(); $thing = &$foo->get(); $thing = 7; var_dump($foo->get());

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)
8.3.60.0090.00916.50
8.3.50.0070.01122.84
8.3.40.0070.00718.62
8.3.30.0070.01118.93
8.3.20.0070.00020.20
8.3.10.0050.00323.70
8.3.00.0080.00019.13
8.2.180.0000.01416.38
8.2.170.0070.00722.96
8.2.160.0040.01120.17
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00021.16
8.2.110.0000.02119.27
8.2.100.0030.00717.84
8.2.90.0080.00019.18
8.2.80.0040.00417.97
8.2.70.0030.00617.48
8.2.60.0040.00417.93
8.2.50.0000.00918.07
8.2.40.0040.00419.82
8.2.30.0000.00817.98
8.2.20.0070.00017.68
8.2.10.0040.00418.17
8.2.00.0000.00717.80
8.1.280.0100.01025.92
8.1.270.0040.00423.85
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0110.00422.02
8.1.230.0070.00420.72
8.1.220.0030.00617.78
8.1.210.0080.00018.77
8.1.200.0000.00817.47
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0030.00618.59
8.1.160.0050.00221.90
8.1.150.0040.00418.73
8.1.140.0000.00917.29
8.1.130.0030.00317.68
8.1.120.0000.00717.48
8.1.110.0040.00417.34
8.1.100.0020.00517.43
8.1.90.0040.00417.35
8.1.80.0090.00017.47
8.1.70.0030.00317.33
8.1.60.0000.00817.64
8.1.50.0040.00417.40
8.1.40.0040.00417.53
8.1.30.0000.00817.59
8.1.20.0040.00417.64
8.1.10.0000.00717.54
8.1.00.0050.00317.40
8.0.300.0000.00818.77
8.0.290.0070.00016.75
8.0.280.0030.00318.29
8.0.270.0000.00717.12
8.0.260.0060.00017.16
8.0.250.0030.00316.86
8.0.240.0040.00416.95
8.0.230.0050.00216.81
8.0.220.0000.00716.92
8.0.210.0030.00316.95
8.0.200.0000.00616.96
8.0.190.0050.00316.85
8.0.180.0080.00016.84
8.0.170.0050.00316.88
8.0.160.0070.00016.94
8.0.150.0030.00516.70
8.0.140.0040.00316.66
8.0.130.0060.00013.27
8.0.120.0040.00416.82
8.0.110.0040.00416.77
8.0.100.0040.00416.90
8.0.90.0070.00016.79
8.0.80.0110.00816.78
8.0.70.0000.00716.84
8.0.60.0040.00416.90
8.0.50.0040.00416.93
8.0.30.0070.01217.04
8.0.20.0090.00917.40
8.0.10.0050.00217.09
8.0.00.0140.00316.73
7.4.330.0050.00015.15
7.4.320.0030.00316.64
7.4.300.0030.00316.39
7.4.290.0030.00316.51
7.4.280.0040.00416.43
7.4.270.0000.00716.57
7.4.260.0030.00316.60
7.4.250.0000.00816.54
7.4.240.0040.00416.59
7.4.230.0030.00316.33
7.4.220.0140.00416.62
7.4.210.0070.00716.61
7.4.200.0040.00316.40
7.4.160.0120.00416.70
7.4.150.0110.00917.40
7.4.140.0110.00917.86
7.4.130.0060.01416.44
7.4.120.0110.00916.47
7.4.110.0120.00616.71
7.4.100.0070.01116.46
7.4.90.0030.01416.47
7.4.80.0070.01019.39
7.4.70.0080.00816.66
7.4.60.0090.00916.49
7.4.50.0040.00416.63
7.4.40.0090.00916.65
7.4.30.0100.01016.46
7.4.00.0040.01215.05
7.3.330.0000.00513.11
7.3.320.0050.00013.09
7.3.310.0050.00316.23
7.3.300.0000.00616.18
7.3.290.0100.00316.20
7.3.280.0080.00816.21
7.3.270.0120.00617.40
7.3.260.0050.01416.22
7.3.250.0100.00916.31
7.3.240.0100.00916.26
7.3.230.0160.00016.43
7.3.210.0140.00316.32
7.3.200.0090.00619.39
7.3.190.0100.00716.14
7.3.180.0100.00616.35
7.3.170.0070.01016.41
7.3.160.0120.00316.26
7.2.330.0140.00316.39
7.2.320.0120.00616.78
7.2.310.0150.00316.74
7.2.300.0090.00616.57
7.2.290.0110.01116.90
7.2.60.0070.00717.05
7.1.200.0060.00315.55
7.1.70.0070.00716.80
7.1.60.0140.01119.46
7.1.50.0250.00334.41
7.1.00.0030.07722.37
7.0.200.0030.00716.69
7.0.140.0070.06721.95
7.0.60.0130.07721.66
7.0.50.0000.08317.87
7.0.40.0030.04320.13
7.0.30.0570.07320.24
7.0.20.0330.07020.17
7.0.10.0100.08320.32
7.0.00.0130.05720.20
5.6.280.0030.07320.87
5.6.210.0130.07720.47
5.6.200.0030.04018.18
5.6.190.0100.07720.46
5.6.180.0500.07020.48
5.6.170.0200.05320.51
5.6.160.0070.04720.47
5.6.150.0070.05018.16
5.6.140.0070.03718.26
5.6.130.0070.06018.17
5.6.120.0030.09020.84
5.6.110.0100.08320.99
5.6.100.0130.03721.12
5.6.90.0030.08721.13
5.6.80.0070.08020.40
5.5.350.0100.06320.53
5.5.340.0000.04317.92
5.5.330.0000.04720.21
5.5.320.0300.07720.42
5.5.310.0370.07020.23
5.5.300.0130.08017.98
5.5.290.0130.08017.91
5.5.280.0100.08320.80
5.5.270.0070.08720.71
5.5.260.0070.05020.88
5.5.250.0270.06320.55
5.5.240.0030.04020.37
5.4.450.0400.04319.41
5.4.440.0300.05719.57
5.4.430.0170.05019.54
5.4.420.0330.04319.48
5.4.410.0630.04319.17
5.4.400.0300.03719.00
5.4.390.0170.04019.14
5.4.380.0370.04718.62
5.4.370.0170.06718.50
5.4.360.0370.05018.78
5.4.350.0370.05018.80
5.4.340.0500.07018.78
5.4.320.0040.03812.50
5.4.310.0070.03912.50
5.4.300.0040.03912.50
5.4.290.0070.04312.50
5.4.280.0070.03412.39
5.4.270.0100.03212.39
5.4.260.0050.03912.39
5.4.250.0060.03712.39
5.4.240.0090.03312.39
5.4.230.0070.03612.39
5.4.220.0050.03612.38
5.4.210.0050.03512.39
5.4.200.0040.03912.38
5.4.190.0060.03512.38
5.4.180.0030.03912.38
5.4.170.0100.03712.39
5.4.160.0060.03712.39
5.4.150.0060.03612.39
5.4.140.0100.03212.07
5.4.130.0090.03312.06
5.4.120.0040.03712.02
5.4.110.0080.03312.01
5.4.100.0080.03212.02
5.4.90.0070.03412.01
5.4.80.0050.03812.01
5.4.70.0070.03412.01
5.4.60.0100.03012.01
5.4.50.0080.03212.01
5.4.40.0050.03512.00
5.4.30.0060.03511.99
5.4.20.0030.03712.00
5.4.10.0030.03612.00
5.4.00.0040.03711.48
5.3.290.0050.04012.80
5.3.280.0070.03712.71
5.3.270.0050.04012.72
5.3.260.0100.03612.72
5.3.250.0020.04112.72
5.3.240.0060.03712.72
5.3.230.0100.03312.71
5.3.220.0100.03312.68
5.3.210.0070.03812.68
5.3.200.0080.03412.68
5.3.190.0050.03912.68
5.3.180.0050.04212.67
5.3.170.0100.03612.67
5.3.160.0070.03612.67
5.3.150.0080.03512.68
5.3.140.0060.03612.66
5.3.130.0090.03612.66
5.3.120.0050.04012.65
5.3.110.0100.03512.66
5.3.100.0080.03512.12
5.3.90.0070.03612.10
5.3.80.0070.03612.10
5.3.70.0080.03412.10
5.3.60.0050.03812.08
5.3.50.0030.03912.03
5.3.40.0050.03812.03
5.3.30.0030.03811.98
5.3.20.0070.03411.77
5.3.10.0060.03511.74
5.3.00.0080.03811.73
5.2.170.0070.0409.23
5.2.160.0080.0389.22
5.2.150.0070.0409.22
5.2.140.0080.0399.22
5.2.130.0110.0359.18
5.2.120.0050.0289.18
5.2.110.0030.0319.19
5.2.100.0040.0299.18
5.2.90.0050.0299.18
5.2.80.0050.0299.18
5.2.70.0080.0269.18
5.2.60.0050.0299.14
5.2.50.0030.0319.10
5.2.40.0060.0279.08
5.2.30.0050.0289.05
5.2.20.0090.0249.04
5.2.10.0030.0308.95
5.2.00.0050.0298.81
5.1.60.0050.0238.10
5.1.50.0050.0248.09
5.1.40.0060.0238.07
5.1.30.0060.0248.42
5.1.20.0050.0258.45
5.1.10.0030.0278.17
5.1.00.0040.0258.17
5.0.50.0040.0206.65
5.0.40.0030.0196.51
5.0.30.0030.0316.32
5.0.20.0070.0166.28
5.0.10.0040.0196.27
5.0.00.0050.0296.26
4.4.90.0020.0164.78
4.4.80.0040.0144.76
4.4.70.0030.0154.75
4.4.60.0050.0134.75
4.4.50.0020.0164.77
4.4.40.0040.0244.71
4.4.30.0040.0144.76
4.4.20.0030.0154.84
4.4.10.0010.0174.85
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0040.0134.63
4.3.80.0050.0214.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0020.0163.28
4.3.20.0040.0133.26
4.3.10.0020.0153.22
4.3.00.0100.01015.68

preferences:
39.11 ms | 401 KiB | 5 Q