3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { protected $a; protected $b; abstract public function __construct($a); } class B extends A { public function __construct($a) { $this->a = $a; } } class C extends A { public function __construct($a, $b = null) { $this->a = $a; $this->b = $b; } } $b = new B(1); $c = new C(1, 2);

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)
8.3.60.0070.01318.56
8.3.50.0100.00522.11
8.3.40.0090.00618.67
8.3.30.0070.01018.54
8.3.20.0060.00318.57
8.3.10.0100.00021.15
8.3.00.0060.00321.83
8.2.180.0090.00616.75
8.2.170.0140.00322.96
8.2.160.0130.00020.53
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0000.00720.94
8.2.110.0090.00020.51
8.2.100.0060.00617.78
8.2.90.0040.00419.09
8.2.80.0000.00717.97
8.2.70.0040.00417.63
8.2.60.0030.00617.90
8.2.50.0000.01218.07
8.2.40.0030.00518.16
8.2.30.0000.00821.14
8.2.20.0000.00817.52
8.2.10.0050.00217.61
8.2.00.0000.00717.62
8.1.280.0110.00425.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.42
8.1.230.0070.00320.98
8.1.220.0080.00018.77
8.1.210.0080.00018.77
8.1.200.0090.00017.10
8.1.190.0000.00717.53
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0000.00718.77
8.1.150.0040.00418.45
8.1.140.0040.00417.45
8.1.130.0000.00717.88
8.1.120.0030.00617.45
8.1.110.0000.00817.36
8.1.100.0040.00417.35
8.1.90.0080.00017.35
8.1.80.0040.00417.30
8.1.70.0050.00317.37
8.1.60.0000.00917.55
8.1.50.0040.00417.53
8.1.40.0030.00617.52
8.1.30.0000.00817.70
8.1.20.0040.00417.55
8.1.10.0020.00517.37
8.1.00.0000.00817.42
8.0.300.0070.00019.91
8.0.290.0000.00716.93
8.0.280.0000.00818.42
8.0.270.0000.00717.15
8.0.260.0030.00316.77
8.0.250.0020.00516.90
8.0.240.0060.00616.83
8.0.230.0000.00816.87
8.0.220.0040.00416.84
8.0.210.0050.00216.73
8.0.200.0000.00616.87
8.0.190.0050.00216.93
8.0.180.0040.00416.75
8.0.170.0030.00316.84
8.0.160.0050.00216.88
8.0.150.0030.00316.77
8.0.140.0080.00016.81
8.0.130.0030.00313.25
8.0.120.0000.00916.82
8.0.110.0020.00516.77
8.0.100.0070.00016.65
8.0.90.0030.00616.70
8.0.80.0210.00016.77
8.0.70.0000.00816.70
8.0.60.0000.00716.71
8.0.50.0070.00016.76
8.0.30.0130.00516.96
8.0.20.0110.00817.41
8.0.10.0020.00516.79
8.0.00.0090.00816.81
7.4.330.0000.00514.82
7.4.320.0040.00416.46
7.4.300.0000.00716.51
7.4.290.0000.00616.43
7.4.280.0070.00016.43
7.4.270.0050.00316.50
7.4.260.0000.00513.32
7.4.250.0040.00416.37
7.4.240.0000.00716.52
7.4.230.0040.00416.68
7.4.220.0130.00616.39
7.4.210.0050.00916.58
7.4.200.0050.00316.39
7.4.190.0000.00716.66
7.4.160.0040.01216.45
7.4.150.0080.00917.40
7.4.140.0130.00617.86
7.4.130.0060.01116.59
7.4.120.0070.01116.43
7.4.110.0140.00316.43
7.4.100.0070.01016.53
7.4.90.0130.00516.60
7.4.80.0100.00619.39
7.4.70.0070.01016.51
7.4.60.0120.01116.36
7.4.50.0040.00416.25
7.4.40.0000.01322.52
7.4.30.0130.00316.37
7.4.00.0060.00914.94
7.3.330.0000.00513.23
7.3.320.0000.00513.31
7.3.310.0030.00316.11
7.3.300.0040.00416.23
7.3.290.0060.01316.17
7.3.280.0130.00616.22
7.3.270.0040.01417.40
7.3.260.0050.01218.24
7.3.250.0110.00616.29
7.3.240.0140.00316.40
7.3.230.0140.00316.39
7.3.210.0000.01716.19
7.3.200.0040.01319.39
7.3.190.0130.00316.23
7.3.180.0100.00716.21
7.3.170.0030.01616.27
7.3.160.0130.00316.16
7.3.120.0090.00914.75
7.3.10.0060.00916.21
7.3.00.0040.00816.06
7.2.330.0150.00316.61
7.2.320.0090.00916.75
7.2.310.0130.00916.59
7.2.300.0170.00016.70
7.2.290.0060.01316.56
7.2.130.0110.00416.68
7.2.120.0040.01116.28
7.2.110.0040.01216.80
7.2.100.0070.00716.68
7.2.90.0070.01016.70
7.2.80.0030.01316.58
7.2.70.0090.00316.84
7.2.60.0110.00316.74
7.2.50.0060.00916.86
7.2.40.0030.00716.90
7.2.30.0160.00316.94
7.2.20.0100.00716.50
7.2.10.0100.01016.64
7.2.00.0040.01116.64
7.1.250.0030.00815.48
7.1.100.0000.01317.75
7.1.70.0040.00417.18
7.1.60.0130.01019.40
7.1.50.0070.01516.98
7.1.00.0000.05722.54
7.0.200.0000.01016.67
7.0.140.0070.07022.12
7.0.70.0000.08021.73
7.0.60.0030.08321.73
7.0.50.0030.04322.11
7.0.40.0100.08320.03
7.0.30.0070.08720.09
7.0.20.0100.07320.16
7.0.10.0070.06319.98
7.0.00.0100.07720.02
5.6.280.0030.07320.92
5.6.220.0100.07320.66
5.6.210.0030.08720.59
5.6.200.0000.08021.04
5.6.190.0030.05721.18
5.6.180.0000.09021.14
5.6.170.0000.09021.09
5.6.160.0030.05721.03
5.6.150.0070.04721.11
5.6.140.0030.06721.11
5.6.130.0070.07021.09
5.6.120.0130.07020.96
5.6.110.0170.07721.11
5.6.100.0130.05021.16
5.6.90.0070.08020.93
5.6.80.0000.08320.55
5.6.70.0070.08020.55
5.6.60.0030.08020.48
5.6.50.0030.08320.45
5.6.40.0100.05320.31
5.6.30.0030.08020.40
5.6.20.0070.03720.42
5.6.10.0070.08020.49
5.6.00.0030.08020.29
5.5.360.0030.07320.41
5.5.350.0000.06020.35
5.5.340.0200.07020.84
5.5.330.0000.06320.77
5.5.320.0030.05720.94
5.5.310.0070.05020.74
5.5.300.0130.08020.88
5.5.290.0100.06020.94
5.5.280.0030.06020.80
5.5.270.0000.09320.86
5.5.260.0130.07020.83
5.5.250.0100.07720.70
5.5.240.0000.06720.27
5.5.230.0100.07720.32
5.5.220.0000.07320.30
5.5.210.0070.08020.16
5.5.200.0070.07020.15
5.5.190.0070.08319.98
5.5.180.0030.05720.13
5.5.160.0100.07020.27
5.5.150.0100.07320.11
5.5.140.0000.08320.23
5.5.130.0030.08320.10
5.5.120.0030.04020.14
5.5.110.0030.07320.27
5.5.100.0070.07720.08
5.5.90.0070.07720.07
5.5.80.0070.08720.10
5.5.70.0070.08020.16
5.5.60.0000.08319.96
5.5.50.0070.03720.10
5.5.40.0070.07319.93
5.5.30.0070.08020.05
5.5.20.0070.07719.94
5.5.10.0000.06020.04
5.5.00.0100.05720.09
5.4.450.0000.06719.36
5.4.440.0100.06719.41
5.4.430.0070.07319.56
5.4.420.0030.08019.45
5.4.410.0100.07719.34
5.4.400.0000.04319.13
5.4.390.0000.04319.04
5.4.380.0070.07319.09
5.4.370.0070.07319.03
5.4.360.0030.07319.03
5.4.350.0070.07019.23
5.4.340.0000.06319.09
5.4.320.0030.08018.85
5.4.310.0070.08019.18
5.4.300.0100.06319.03
5.4.290.0130.07718.86
5.4.280.0070.05319.09
5.4.270.0000.07719.20
5.4.260.0070.07319.23
5.4.250.0070.07019.17
5.4.240.0130.04718.88
5.4.230.0000.04019.11
5.4.220.0030.07719.08
5.4.210.0070.05718.90
5.4.200.0030.07019.17
5.4.190.0100.06318.93
5.4.180.0000.08318.89
5.4.170.0130.07019.02
5.4.160.0000.07718.99
5.4.150.0000.05718.93
5.4.140.0070.03316.39
5.4.130.0070.04316.25
5.4.120.0070.05016.48
5.4.110.0100.07316.34
5.4.100.0130.05016.32
5.4.90.0030.06016.52
5.4.80.0070.05316.52
5.4.70.0030.04016.50
5.4.60.0000.06316.31
5.4.50.0030.05316.36
5.4.40.0030.06716.51
5.4.30.0030.06316.47
5.4.20.0030.07016.39
5.4.10.0030.04016.45
5.4.00.0030.07715.86
5.3.290.0030.07714.62
5.3.280.0000.07714.74
5.3.270.0070.08014.58
5.3.260.0070.07014.57
5.3.250.0030.07314.70
5.3.240.0000.04014.70
5.3.230.0030.07714.69
5.3.220.0070.07714.50
5.3.210.0000.08014.68
5.3.200.0030.07714.61
5.3.190.0030.05014.53
5.3.180.0100.07314.66
5.3.170.0030.06014.63
5.3.160.0070.05314.70
5.3.150.0000.07714.59
5.3.140.0100.07014.67
5.3.130.0000.08014.58
5.3.120.0000.07714.52
5.3.110.0030.06014.56
5.3.100.0070.07314.09
5.3.90.0030.06314.05
5.3.80.0000.06014.08
5.3.70.0070.07014.00
5.3.60.0030.05713.93
5.3.50.0030.07013.96
5.3.40.0000.07714.07
5.3.30.0030.07713.81
5.3.20.0030.06713.61
5.3.10.0000.06713.67
5.3.00.0030.03713.55
5.2.170.0070.05712.18
5.2.160.0030.03012.18
5.2.150.0030.05012.18
5.2.140.0030.06712.18
5.2.130.0000.06312.18
5.2.120.0030.06312.18
5.2.110.0030.02712.18
5.2.100.0030.06012.18
5.2.90.0030.04712.18
5.2.80.0070.06012.18
5.2.70.0000.06712.18
5.2.60.0000.05712.18
5.2.50.0030.03012.18
5.2.40.0070.05312.18
5.2.30.0030.06312.18
5.2.20.0000.05312.18
5.2.10.0030.06012.18
5.2.00.0070.05012.18
5.1.60.0030.05712.18
5.1.50.0000.05012.18
5.1.40.0000.04712.18
5.1.30.0030.05312.18
5.1.20.0000.05312.18
5.1.10.0070.04312.18
5.1.00.0070.05012.18
5.0.50.0000.04712.18
5.0.40.0000.04712.18
5.0.30.0070.03312.18
5.0.20.0000.04312.18
5.0.10.0000.04712.18
5.0.00.0030.04012.18
4.4.90.0030.02312.18
4.4.80.0000.02312.18
4.4.70.0000.03712.18
4.4.60.0070.03012.18
4.4.50.0000.03712.18
4.4.40.0030.03712.18
4.4.30.0030.02712.18
4.4.20.0000.03712.18
4.4.10.0000.03712.18
4.4.00.0070.04012.18
4.3.110.0030.03312.18
4.3.100.0030.03312.18
4.3.90.0000.03312.18
4.3.80.0000.04312.18
4.3.70.0030.03312.18
4.3.60.0030.01712.18
4.3.50.0000.03312.18
4.3.40.0000.04712.18
4.3.30.0000.04012.18
4.3.20.0030.03712.18
4.3.10.0030.03012.18
4.3.00.0000.03312.18

preferences:
43.86 ms | 401 KiB | 5 Q