3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { var $__row = null; function A($row) { $this->__row = $row; } } class B extends A { var $__module_id; function B($row, $module_id) { parent::A($row); $this->__module_id = $module_id; } } class C extends B { function C($row) { parent::B($row, 'common'); } } class D extends C { function D($row) { parent::B($row, 'something'); // ATTENTION - Here is "::B" not "::C" } } $d = new D('dummy'); var_dump($d);

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)
8.3.60.0160.00616.50
8.3.50.0130.01018.05
8.3.40.0130.00718.50
8.3.30.0170.00318.64
8.3.20.0080.01118.44
8.3.10.0110.00720.02
8.3.00.0140.00717.55
8.2.180.0030.01218.13
8.2.170.0180.00322.96
8.2.160.0060.01319.03
8.2.150.0070.01424.18
8.2.140.0090.00924.66
8.2.130.0060.01220.90
8.2.120.0040.00426.16
8.2.110.0040.00720.94
8.2.100.0040.00817.59
8.2.90.0040.00419.13
8.2.80.0050.00317.97
8.2.70.0030.00517.49
8.2.60.0080.00317.80
8.2.50.0080.00018.10
8.2.40.0000.00920.61
8.2.30.0040.00420.36
8.2.20.0040.00417.73
8.2.10.0000.00817.93
8.2.00.0000.00818.10
8.1.280.0140.00725.92
8.1.270.0070.01323.97
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.18
8.1.230.0040.00718.95
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0040.00717.35
8.1.190.0080.00017.35
8.1.180.0160.00018.10
8.1.170.0030.00619.08
8.1.160.0000.00719.00
8.1.150.0040.00418.76
8.1.140.0040.00419.43
8.1.130.0070.00017.64
8.1.120.0070.00017.44
8.1.110.0030.00517.42
8.1.100.0050.00317.33
8.1.90.0050.00317.43
8.1.80.0040.00417.33
8.1.70.0000.00717.42
8.1.60.0000.00817.56
8.1.50.0050.00317.35
8.1.40.0040.00417.36
8.1.30.0040.00417.50
8.1.20.0070.00417.53
8.1.10.0040.00417.49
8.1.00.0030.00617.31
8.0.300.0080.00318.77
8.0.290.0000.00716.63
8.0.280.0000.00818.26
8.0.270.0000.00817.29
8.0.260.0000.00717.12
8.0.250.0000.00716.89
8.0.240.0030.00316.87
8.0.230.0070.00016.90
8.0.220.0030.00516.89
8.0.210.0040.00416.85
8.0.200.0000.00716.81
8.0.190.0040.00416.91
8.0.180.0040.00416.84
8.0.170.0040.00416.82
8.0.160.0000.00716.77
8.0.150.0080.00016.78
8.0.140.0040.00416.83
8.0.130.0000.00613.23
8.0.120.0040.00416.66
8.0.110.0040.00416.79
8.0.100.0080.00016.70
8.0.90.0020.00516.64
8.0.80.0090.00916.76
8.0.70.0040.00416.78
8.0.60.0050.00316.82
8.0.50.0040.00416.90
8.0.30.0140.00817.00
8.0.20.0120.00817.40
8.0.10.0050.00316.91
8.0.00.0130.00516.64
7.4.330.0000.00515.08
7.4.320.0030.00316.37
7.4.300.0030.00316.60
7.4.290.0000.00816.61
7.4.280.0070.00016.50
7.4.270.0040.00416.49
7.4.260.0030.00416.45
7.4.250.0040.00416.48
7.4.240.0030.00316.60
7.4.230.0000.00716.53
7.4.220.0100.01016.57
7.4.210.0040.01116.44
7.4.200.0000.00716.59
7.4.150.0090.00917.40
7.4.140.0130.00617.86
7.4.130.0110.01016.50
7.4.120.0080.00816.42
7.4.110.0090.00916.34
7.4.100.0120.00616.33
7.4.90.0090.01116.54
7.4.80.0100.00619.39
7.4.70.0110.00716.50
7.4.60.0080.00816.34
7.4.50.0030.00916.47
7.4.40.0150.00316.53
7.4.30.0150.00616.51
7.4.00.0070.01014.69
7.3.330.0030.00313.15
7.3.320.0030.00313.10
7.3.310.0040.00416.29
7.3.300.0040.00416.31
7.3.290.0100.00616.29
7.3.280.0070.00916.25
7.3.270.0180.00017.40
7.3.260.0100.00716.51
7.3.250.0100.01116.40
7.3.240.0140.00816.27
7.3.230.0140.00916.50
7.3.210.0120.00316.22
7.3.200.0080.00819.39
7.3.190.0090.00916.38
7.3.180.0100.00716.53
7.3.170.0080.00816.50
7.3.160.0100.01016.52
7.2.330.0090.01216.40
7.2.320.0140.00316.45
7.2.310.0060.01516.69
7.2.300.0060.01016.48
7.2.290.0030.01416.78
7.2.110.0180.00316.70
7.2.60.0090.00616.59
7.2.00.0030.00919.37
7.1.200.0280.00715.41
7.1.100.0070.00717.95
7.1.70.0070.00017.01
7.1.60.0060.01919.20
7.1.50.0000.02116.99
7.1.00.0030.07322.45
7.0.200.1430.01314.71
7.0.60.0400.05719.91
7.0.50.0200.06720.34
7.0.40.0100.06320.32
7.0.30.0130.06720.33
7.0.20.0100.06720.44
7.0.10.0270.04720.24
7.0.00.0170.05320.32
5.6.280.0070.07021.16
5.6.210.0070.03720.51
5.6.200.0070.06721.13
5.6.190.0300.06721.07
5.6.180.0230.05321.11
5.6.170.0270.05321.04
5.6.160.0200.05321.11
5.6.150.0130.06020.95
5.6.140.0300.05020.95
5.6.130.0230.06021.16
5.6.120.0170.05321.16
5.6.110.0130.06021.16
5.6.100.0330.05721.13
5.6.90.0330.05321.07
5.6.80.0170.04720.43
5.6.70.0230.05320.57
5.6.60.0130.05320.51
5.6.50.0270.05720.48
5.6.40.0270.05020.41
5.6.30.0170.07320.52
5.6.20.0070.06020.52
5.6.10.0200.05320.46
5.6.00.0130.05320.43
5.5.350.0470.06320.44
5.5.340.0270.06720.85
5.5.330.0330.05720.93
5.5.320.0200.05720.89
5.5.310.0130.06720.86
5.5.300.0230.05320.89
5.5.290.0230.05020.94
5.5.280.0070.06320.86
5.5.270.0300.05320.91
5.5.260.0270.05720.86
5.5.250.0330.04720.81
5.5.240.0130.05020.25
5.5.230.0170.05020.18
5.5.220.0300.04320.13
5.5.210.0200.06020.30
5.5.200.0270.05720.20
5.5.190.0230.04720.37
5.5.180.0100.06020.35
5.5.160.0200.04720.24
5.5.150.0200.06020.27
5.5.140.0130.06320.21
5.5.130.0170.05320.34
5.5.120.0270.04320.19
5.5.110.0170.05320.22
5.5.100.0170.05020.18
5.5.90.0170.05320.10
5.5.80.0170.06720.28
5.5.70.0170.06320.15
5.5.60.0130.05720.17
5.5.50.0100.05720.15
5.5.40.0100.05720.17
5.5.30.0200.05320.27
5.5.20.0200.07020.15
5.5.10.0130.06020.11
5.5.00.0200.05720.11

preferences:
53.74 ms | 400 KiB | 5 Q