3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $private = 0; public function addPrivate() { $this->private++; } public function getPrivate() { return $this->private; } } class B extends A { public $private = 10; public function addBPrivate() { $this->private++; } public function getPrivate() { return $this->private; } public function getBPrivate() { return $this->private; } } $b = new B(); $b->addPrivate(); var_dump($b->getPrivate()); var_dump($b->getBPrivate()); $b->addBPrivate(); var_dump($b->getPrivate()); var_dump($b->getBPrivate());

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)
8.3.60.0080.00816.75
8.3.50.0120.00321.94
8.3.40.0110.00418.55
8.3.30.0110.00419.09
8.3.20.0040.00420.20
8.3.10.0040.00423.51
8.3.00.0040.00419.26
8.2.180.0160.00616.88
8.2.170.0110.00322.96
8.2.160.0070.00720.43
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0030.00622.11
8.2.110.0080.00319.45
8.2.100.0060.00617.91
8.2.90.0000.00819.21
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00818.04
8.2.50.0050.00318.07
8.2.40.0000.00919.95
8.2.30.0080.00018.13
8.2.20.0000.00817.65
8.2.10.0040.00717.97
8.2.00.0040.00717.56
8.1.280.0070.00725.92
8.1.270.0000.00922.20
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0040.00423.92
8.1.230.0070.00417.64
8.1.220.0080.00017.76
8.1.210.0000.00818.77
8.1.200.0000.00817.23
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0000.00818.52
8.1.160.0090.00021.88
8.1.150.0030.00618.46
8.1.140.0060.00317.39
8.1.130.0050.00317.84
8.1.120.0020.00517.40
8.1.110.0040.00417.42
8.1.100.0000.00717.26
8.1.90.0000.00817.34
8.1.80.0000.00717.37
8.1.70.0000.00817.34
8.1.60.0000.00917.64
8.1.50.0040.00417.54
8.1.40.0040.00417.49
8.1.30.0030.00617.56
8.1.20.0000.00717.61
8.1.10.0040.00417.47
8.1.00.0040.00417.47
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0040.00417.25
8.0.260.0060.00017.20
8.0.250.0000.00816.84
8.0.240.0000.00716.77
8.0.230.0000.00716.79
8.0.220.0000.00716.84
8.0.210.0000.00716.72
8.0.200.0060.00016.94
8.0.190.0070.00016.91
8.0.180.0040.00416.88
8.0.170.0040.00416.89
8.0.160.0040.00416.82
8.0.150.0030.00316.78
8.0.140.0040.00416.85
8.0.130.0000.00513.23
8.0.120.0000.00816.68
8.0.110.0050.00316.72
8.0.100.0000.00816.83
8.0.90.0000.00816.71
8.0.80.0070.01416.76
8.0.70.0000.00716.77
8.0.60.0070.00016.66
8.0.50.0000.00716.88
8.0.30.0130.00517.13
8.0.20.0090.01117.40
8.0.10.0000.00916.96
8.0.00.0150.00416.59
7.4.330.0000.00515.00
7.4.320.0070.00016.34
7.4.300.0000.00716.53
7.4.290.0000.00716.63
7.4.280.0030.00616.48
7.4.270.0030.00316.37
7.4.260.0050.00316.54
7.4.250.0000.00816.55
7.4.240.0050.00216.59
7.4.230.0030.00316.68
7.4.220.0090.01216.63
7.4.210.0110.00616.54
7.4.200.0070.00016.68
7.4.190.0000.00716.77
7.4.160.0100.01316.63
7.4.150.0120.00617.40
7.4.140.0060.01517.86
7.4.130.0140.00716.42
7.4.120.0080.00916.41
7.4.110.0070.01016.49
7.4.100.0130.00716.53
7.4.90.0130.00416.33
7.4.80.0090.01219.39
7.4.70.0050.01516.48
7.4.60.0070.01016.48
7.4.50.0060.00316.29
7.4.40.0080.00522.77
7.4.30.0040.01416.46
7.4.00.0030.01315.08
7.3.330.0050.00013.32
7.3.320.0050.00013.31
7.3.310.0000.00716.14
7.3.300.0060.00016.20
7.3.290.0120.00316.25
7.3.280.0110.00716.26
7.3.270.0080.00817.40
7.3.260.0040.01316.53
7.3.250.0100.01016.30
7.3.240.0040.01416.38
7.3.230.0080.00816.55
7.3.210.0070.01016.34
7.3.200.0130.01019.39
7.3.190.0140.00716.23
7.3.180.0100.00716.38
7.3.170.0090.00616.31
7.3.160.0070.01016.33
7.3.120.0030.01314.65
7.2.330.0110.00516.30
7.2.320.0130.00316.74
7.2.310.0140.00616.67
7.2.300.0160.00016.41
7.2.290.0030.01316.64
7.2.60.0070.00316.84
7.2.00.0030.01019.46
7.1.200.0150.00715.66
7.1.100.0810.00716.30
7.1.70.0040.00417.09
7.1.60.0100.01319.46
7.1.50.0070.01716.87
7.1.00.0070.07322.27
7.0.200.0030.00616.77
7.0.140.0070.07022.05
7.0.60.0070.06719.82
7.0.50.0030.04017.73
7.0.40.0100.08019.96
7.0.30.0270.07720.11
7.0.20.0300.05320.20
7.0.10.0100.07320.33
7.0.00.0130.08720.19
5.6.280.0030.07320.93
5.6.210.0070.08320.67
5.6.200.0100.05318.15
5.6.190.0070.08720.54
5.6.180.0270.08020.61
5.6.170.0200.08020.71
5.6.160.0100.08720.54
5.6.150.0070.03718.23
5.6.140.0070.07718.19
5.6.130.0100.05718.16
5.6.120.0070.08721.01
5.6.110.0070.08321.09
5.6.100.0030.04320.99
5.6.90.0130.07721.14
5.6.80.0070.06020.38
5.6.70.4530.04720.39
5.5.350.0030.08720.37
5.5.340.0200.03718.02
5.5.330.0000.04320.41
5.5.320.0100.04320.38
5.5.310.0200.04320.30
5.5.300.0030.04018.08
5.5.290.0100.07717.94
5.5.280.0070.04720.88
5.5.270.0000.08720.66
5.5.260.0230.06720.80
5.5.250.0070.07320.71
5.5.240.0300.07720.28
5.4.450.0370.04319.39
5.4.440.0930.06319.61
5.4.430.0430.07719.64
5.4.420.1100.07319.58
5.4.410.0600.05319.18
5.4.400.0270.05019.25
5.4.390.0400.05019.02
5.4.380.0300.05318.76
5.4.370.0330.04318.83
5.4.360.0370.04718.84
5.4.350.0300.05018.61
5.4.340.0400.04318.75
5.4.320.0060.03612.50
5.4.310.0070.03712.50
5.4.300.0040.03912.50
5.4.290.0040.04312.50
5.4.280.0050.03712.38
5.4.270.0060.03612.38
5.4.260.0080.03512.37
5.4.250.0040.04012.37
5.4.240.0040.03912.38
5.4.230.0040.04012.36
5.4.220.0050.04312.36
5.4.210.0050.03712.37
5.4.200.0090.03812.36
5.4.190.0030.04112.36
5.4.180.0070.03612.36
5.4.170.0060.04412.37
5.4.160.0060.04212.37
5.4.150.0090.03312.36
5.4.140.0100.03412.05
5.4.130.0050.03912.03
5.4.120.0060.03611.99
5.4.110.0020.04011.99
5.4.100.0040.03811.99
5.4.90.0070.03711.99
5.4.80.0090.03611.99
5.4.70.0050.03811.98
5.4.60.0070.03411.99
5.4.50.0090.03211.99
5.4.40.0080.03411.97
5.4.30.0090.04011.97
5.4.20.0030.04011.97
5.4.10.0060.03611.97
5.4.00.0060.03711.46
5.3.290.0080.04712.80
5.3.280.0090.04112.71
5.3.270.0040.04312.72
5.3.260.0110.04312.72
5.3.250.0110.05312.71
5.3.240.0130.05612.72
5.3.230.0090.04112.71
5.3.220.0110.04812.68
5.3.210.0080.05312.68
5.3.200.0080.05212.68
5.3.190.0080.04712.68
5.3.180.0060.03812.68
5.3.170.0080.05512.67
5.3.160.0140.04412.67
5.3.150.0070.05712.67
5.3.140.0100.05312.66
5.3.130.0060.04812.66
5.3.120.0060.04912.66
5.3.110.0100.05212.66
5.3.100.0030.04212.12
5.3.90.0070.04112.08
5.3.80.0100.03212.07
5.3.70.0060.03612.07
5.3.60.0070.03512.06
5.3.50.0070.03612.01
5.3.40.0050.03912.01
5.3.30.0090.03411.96
5.3.20.0090.03711.75
5.3.10.0080.03511.71
5.3.00.0080.04011.70
5.2.170.0030.0349.20
5.2.160.0070.0299.19
5.2.150.0080.0299.20
5.2.140.0090.0419.20
5.2.130.0050.0319.16
5.2.120.0090.0269.16
5.2.110.0060.0369.16
5.2.100.0040.0409.16
5.2.90.0080.0399.15
5.2.80.0040.0329.16
5.2.70.0040.0329.15
5.2.60.0070.0299.10
5.2.50.0060.0329.07
5.2.40.0070.0299.05
5.2.30.0070.0429.03
5.2.20.0070.0389.02
5.2.10.0080.0268.93
5.2.00.0050.0318.80
5.1.60.0060.0258.07
5.1.50.0050.0268.07
5.1.40.0130.0268.06
5.1.30.0040.0288.40
5.1.20.0050.0268.43
5.1.10.0050.0328.15
5.1.00.0050.0298.15
5.0.50.0070.0176.63
5.0.40.0040.0196.49
5.0.30.0050.0296.30
5.0.20.0020.0206.27
5.0.10.0020.0216.25
5.0.00.0040.0306.24
4.4.90.0030.0164.78
4.4.80.0030.0154.76
4.4.70.0020.0164.76
4.4.60.0040.0144.76
4.4.50.0030.0154.77
4.4.40.0040.0244.71
4.4.30.0030.0154.76
4.4.20.0040.0154.85
4.4.10.0020.0174.85
4.4.00.0040.0244.76
4.3.110.0030.0164.67
4.3.100.0030.0154.67
4.3.90.0010.0164.63
4.3.80.0040.0234.59
4.3.70.0010.0174.63
4.3.60.0030.0144.63
4.3.50.0020.0164.62
4.3.40.0010.0264.53
4.3.30.0030.0153.28
4.3.20.0020.0163.26
4.3.10.0030.0143.23
4.3.00.0130.01713.47

preferences:
49.25 ms | 401 KiB | 5 Q