3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public function var_dump_ancestor() { var_dump($this->foo); } } abstract class Foo extends Test { private $foo = "aa"; public function var_dump_abstract() { var_dump($this->foo); } } class Bar extends Foo { public function var_dump() { var_dump($this->foo); } } $b = new Bar(); $b->var_dump(); $b->var_dump_abstract(); $b->var_dump_ancestor();

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)
8.3.60.0120.00618.30
8.3.50.0110.00718.30
8.3.40.0090.00618.90
8.3.30.0070.00718.93
8.3.20.0000.00720.15
8.3.10.0050.00322.05
8.3.00.0080.00022.48
8.2.180.0070.01116.50
8.2.170.0120.00322.96
8.2.160.0070.00720.72
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00419.38
8.2.110.0060.00322.13
8.2.100.0130.00017.91
8.2.90.0030.00619.22
8.2.80.0060.00317.97
8.2.70.0060.00317.50
8.2.60.0050.00317.80
8.2.50.0030.00518.07
8.2.40.0060.00318.03
8.2.30.0020.00517.98
8.2.20.0070.00017.57
8.2.10.0040.00417.49
8.2.00.0080.00017.55
8.1.270.0080.00022.06
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00823.79
8.1.230.0060.00619.17
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00917.10
8.1.190.0000.00917.28
8.1.180.0000.00818.10
8.1.170.0040.00418.53
8.1.160.0000.00821.86
8.1.150.0040.00418.57
8.1.140.0040.00417.38
8.1.130.0040.00417.79
8.1.120.0000.00717.46
8.1.110.0000.00917.32
8.1.100.0050.00317.28
8.1.90.0030.00617.37
8.1.80.0000.00717.39
8.1.70.0030.00517.35
8.1.60.0040.00417.58
8.1.50.0030.00617.46
8.1.40.0070.00017.50
8.1.30.0030.00517.65
8.1.20.0030.00517.68
8.1.10.0080.00017.50
8.1.00.0040.00417.36
8.0.300.0000.00818.77
8.0.290.0000.00717.05
8.0.280.0030.00318.43
8.0.270.0030.00317.24
8.0.260.0030.00316.83
8.0.250.0000.00716.91
8.0.240.0000.00716.96
8.0.230.0070.00016.90
8.0.220.0080.00016.86
8.0.210.0030.00516.78
8.0.200.0000.00716.83
8.0.190.0070.00016.97
8.0.180.0000.00816.80
8.0.170.0000.00816.73
8.0.160.0000.00716.99
8.0.150.0070.00016.79
8.0.140.0000.00716.86
8.0.130.0030.00313.28
8.0.120.0040.00416.81
8.0.110.0070.00016.80
8.0.100.0030.00516.85
8.0.90.0040.00416.73
8.0.80.0090.00616.82
8.0.70.0040.00416.89
8.0.60.0080.00016.94
8.0.50.0000.00816.88
8.0.30.0100.01317.13
8.0.20.0140.00617.40
8.0.10.0000.00716.97
8.0.00.0090.00816.66
7.4.330.0050.00215.00
7.4.320.0060.00016.33
7.4.300.0000.00616.55
7.4.290.0000.00916.46
7.4.280.0030.00316.50
7.4.270.0030.00516.51
7.4.260.0070.00016.57
7.4.250.0000.00716.60
7.4.240.0020.00516.54
7.4.230.0000.00716.30
7.4.220.0130.00716.53
7.4.210.0070.00816.53
7.4.200.0030.00616.60
7.4.190.0050.00316.54
7.4.160.0120.00316.59
7.4.150.0090.00917.40
7.4.140.0120.00717.86
7.4.130.0170.00816.42
7.4.120.0150.00416.67
7.4.110.0060.01216.53
7.4.100.0080.00916.46
7.4.90.0100.01416.35
7.4.80.0110.01019.39
7.4.70.0070.01416.63
7.4.60.0090.00616.50
7.4.50.0040.00416.09
7.4.40.0000.01722.77
7.4.30.0090.00616.40
7.4.00.0030.01214.86
7.3.330.0050.00013.07
7.3.320.0060.00013.11
7.3.310.0050.00316.34
7.3.300.0030.00316.34
7.3.290.0030.01016.21
7.3.280.0070.00816.29
7.3.270.0070.01017.40
7.3.260.0070.01716.45
7.3.250.0100.00516.29
7.3.240.0050.01916.56
7.3.230.0190.00016.40
7.3.210.0040.01816.52
7.3.200.0150.00019.39
7.3.190.0070.01016.40
7.3.180.0070.01016.48
7.3.170.0070.01016.27
7.3.160.0120.00316.54
7.3.120.0030.01214.64
7.3.10.0040.00716.53
7.3.00.0000.01116.46
7.2.330.0040.01416.71
7.2.320.0090.00916.63
7.2.310.0060.01116.66
7.2.300.0140.00716.78
7.2.290.0070.01016.71
7.2.130.0040.00816.82
7.2.120.0080.00416.72
7.2.110.0030.00916.59
7.2.100.0000.01016.61
7.2.90.0080.00416.86
7.2.80.0110.00016.59
7.2.70.0060.00616.72
7.2.60.0070.00516.53
7.2.50.0040.00716.76
7.2.40.0000.01116.56
7.2.30.0060.00617.01
7.2.20.0060.00616.66
7.2.10.0050.00516.84
7.2.00.0050.01018.04
7.1.250.0000.00915.82
7.1.200.0030.00915.71
7.1.100.0040.00417.93
7.1.70.0100.00016.77
7.1.60.0120.00819.82
7.1.50.0030.00816.89
7.1.00.0070.07322.37
7.0.200.0070.00716.68
7.0.140.0100.06022.13
7.0.60.0030.05719.88
7.0.50.0030.08717.83
7.0.40.0030.06720.09
7.0.30.0330.03720.26
7.0.20.0270.05020.30
7.0.10.0430.07020.24
7.0.00.0070.03720.14
5.6.280.0070.07021.02
5.6.210.0230.06020.45
5.6.200.0030.04018.15
5.6.190.0170.08020.52
5.6.180.3400.03720.39
5.6.170.0300.04020.47
5.6.160.0070.04020.60
5.6.150.0070.08018.22
5.6.140.0070.07018.17
5.6.130.0070.05318.16
5.6.120.0070.05720.96
5.6.110.0130.07721.05
5.6.100.0130.07721.07
5.6.90.0200.07020.97
5.6.80.0030.04020.53
5.6.70.0270.07020.38
5.5.350.0130.07320.39
5.5.340.0130.06718.05
5.5.330.0030.04320.35
5.5.320.0130.04720.34
5.5.310.0230.06320.19
5.5.300.0000.04017.98
5.5.290.0030.04018.07
5.5.280.0130.08020.89
5.5.270.0130.08020.88
5.5.260.0100.07720.96
5.5.250.0130.07020.62
5.5.240.0100.07720.26
5.4.450.0330.03719.42
5.4.440.0270.05019.46
5.4.430.0300.04719.38
5.4.420.0230.04719.19
5.4.410.0170.05018.82
5.4.400.0200.04318.78
5.4.390.0030.06018.74
5.4.380.0300.05018.55
5.4.370.0130.06018.80
5.4.360.0170.05018.54
5.4.350.0170.05318.72
5.4.340.0230.04718.72
5.4.320.0060.03612.51
5.4.310.0070.03712.51
5.4.300.0030.03912.51
5.4.290.0060.04412.50
5.4.280.0050.03812.40
5.4.270.0070.03612.37
5.4.260.0050.03912.37
5.4.250.0060.03812.37
5.4.240.0030.03912.37
5.4.230.0060.03712.36
5.4.220.0080.03412.36
5.4.210.0070.03512.36
5.4.200.0070.03612.36
5.4.190.0070.03512.36
5.4.180.0060.03512.36
5.4.170.0070.03812.37
5.4.160.0090.03312.36
5.4.150.0090.03612.36
5.4.140.0090.03812.04
5.4.130.0080.03312.03
5.4.120.0060.03511.99
5.4.110.0070.03611.98
5.4.100.0050.03811.98
5.4.90.0070.03611.98
5.4.80.0070.03511.98
5.4.70.0070.03311.98
5.4.60.0070.03311.97
5.4.50.0090.03211.98
5.4.40.0080.03211.96
5.4.30.0070.03311.96
5.4.20.0030.03911.96
5.4.10.0050.03611.96
5.4.00.0070.03611.45
5.3.290.0110.03412.80
5.3.280.0040.04012.71
5.3.270.0070.03812.73
5.3.260.0050.04112.71
5.3.250.0050.03812.72
5.3.240.0070.03712.72
5.3.230.0060.03712.71
5.3.220.0050.04912.68
5.3.210.0030.04212.68
5.3.200.0040.03812.68
5.3.190.0090.03712.68
5.3.180.0090.03312.67
5.3.170.0070.03612.67
5.3.160.0040.03912.67
5.3.150.0070.03612.67
5.3.140.0060.03812.66
5.3.130.0080.03612.66
5.3.120.0080.04412.66
5.3.110.0060.04012.66
5.3.100.0100.03312.12
5.3.90.0040.03812.09
5.3.80.0040.03812.08
5.3.70.0050.03812.08
5.3.60.0060.03612.07
5.3.50.0070.03512.00
5.3.40.0070.03512.00
5.3.30.0110.04611.96
5.3.20.0050.03911.74
5.3.10.0080.03311.70
5.3.00.0030.03911.68
5.2.170.0070.0319.18
5.2.160.0060.0279.18
5.2.150.0030.0329.18
5.2.140.0040.0329.18
5.2.130.0060.0289.14
5.2.120.0050.0289.14
5.2.110.0050.0289.15
5.2.100.0040.0299.16
5.2.90.0030.0309.14
5.2.80.0020.0339.14
5.2.70.0040.0309.14
5.2.60.0040.0319.10
5.2.50.0070.0299.07
5.2.40.0030.0359.04
5.2.30.0030.0319.02
5.2.20.0030.0319.02
5.2.10.0050.0278.93
5.2.00.0060.0288.77
5.1.60.0040.0248.05
5.1.50.0030.0258.05
5.1.40.0030.0258.05
5.1.30.0020.0288.39
5.1.20.0050.0368.42
5.1.10.0100.0258.13
5.1.00.0050.0268.14
5.0.50.0060.0286.61
5.0.40.0030.0286.47
5.0.30.0030.0336.29
5.0.20.0050.0226.27
5.0.10.0020.0296.24
5.0.00.0020.0416.23
4.4.90.0100.0144.78
4.4.80.0030.0204.76
4.4.70.0030.0174.75
4.4.60.0020.0154.76
4.4.50.0010.0174.77
4.4.40.0010.0274.70
4.4.30.0020.0174.76
4.4.20.0020.0164.84
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0040.0144.67
4.3.100.0000.0184.67
4.3.90.0010.0174.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0000.0224.63
4.3.40.0020.0254.54
4.3.30.0010.0193.28
4.3.20.0010.0173.26
4.3.10.0020.0213.23
4.3.00.0000.01713.28

preferences:
60.64 ms | 400 KiB | 5 Q