3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyParent { private $var = 0; } class Child extends MyParent { public function __construct() { $this->var = 1; } } class Abuser extends MyParent { public function get(MyParent $child) { return $child->var; } } $child = new Child(); $abuser = new Abuser(); var_dump($abuser->get($child)); var_dump($child); var_dump($abuser);

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)
8.3.40.0110.00418.92
8.3.30.0000.01419.09
8.3.20.0030.00620.21
8.3.10.0080.00021.69
8.3.00.0000.00820.82
8.2.170.0120.00322.96
8.2.160.0070.00722.21
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0000.00826.16
8.2.120.0060.00319.83
8.2.110.0060.00320.99
8.2.100.0080.00417.78
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0080.00017.80
8.2.50.0000.00818.10
8.2.40.0080.00020.59
8.2.30.0000.00717.93
8.2.20.0040.00417.67
8.2.10.0000.00818.05
8.2.00.0080.00017.50
8.1.270.0060.00318.88
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00621.17
8.1.230.0040.00717.45
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0070.00317.23
8.1.190.0060.00317.35
8.1.180.0030.00618.10
8.1.170.0030.00618.50
8.1.160.0030.00521.92
8.1.150.0070.00018.88
8.1.140.0070.00017.32
8.1.130.0050.00217.70
8.1.120.0030.00617.43
8.1.110.0040.00417.43
8.1.100.0040.00417.43
8.1.90.0040.00417.42
8.1.80.0080.00017.24
8.1.70.0040.00417.38
8.1.60.0050.00417.57
8.1.50.0030.00517.54
8.1.40.0040.00417.50
8.1.30.0000.00917.53
8.1.20.0030.00517.63
8.1.10.0000.00817.49
8.1.00.0050.00617.46
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.40
8.0.270.0040.00417.08
8.0.260.0070.00017.20
8.0.250.0030.00316.99
8.0.240.0030.00316.93
8.0.230.0030.00517.00
8.0.220.0000.00816.80
8.0.210.0070.00016.91
8.0.200.0030.00316.89
8.0.190.0000.00716.92
8.0.180.0070.00016.95
8.0.170.0070.00016.81
8.0.160.0060.00316.82
8.0.150.0030.00316.81
8.0.140.0000.00716.84
8.0.130.0050.00013.36
8.0.120.0070.00016.83
8.0.110.0000.00716.87
8.0.100.0040.00416.78
8.0.90.0000.00716.75
8.0.80.0060.01616.89
8.0.70.0000.01016.95
8.0.60.0000.00816.91
8.0.50.0000.00816.96
8.0.30.0120.01317.05
8.0.20.0100.00917.40
8.0.10.0040.00417.00
8.0.00.0120.00816.71
7.4.330.0030.00315.03
7.4.320.0000.00616.56
7.4.300.0070.00016.67
7.4.290.0000.00816.51
7.4.280.0000.01016.50
7.4.270.0000.00716.54
7.4.260.0030.00316.49
7.4.250.0030.00516.58
7.4.240.0050.00216.44
7.4.230.0000.00716.70
7.4.220.0090.00916.54
7.4.210.0070.00716.54
7.4.200.0000.00716.63
7.4.160.0080.00816.37
7.4.150.0110.01117.40
7.4.140.0140.01017.86
7.4.130.0110.00616.49
7.4.120.0080.00916.41
7.4.110.0180.00616.41
7.4.100.0250.00216.41
7.4.90.0090.00816.46
7.4.80.0050.01419.39
7.4.70.0120.00416.60
7.4.60.0070.01016.43
7.4.50.0000.00816.41
7.4.40.0150.00416.56
7.4.30.0090.00916.48
7.4.00.0000.01515.02
7.3.330.0000.00513.08
7.3.320.0050.00013.17
7.3.310.0070.00016.40
7.3.300.0040.00416.27
7.3.290.0080.00916.31
7.3.280.0070.00816.31
7.3.270.0080.00817.40
7.3.260.0090.00916.28
7.3.250.0100.00716.21
7.3.240.0140.00516.28
7.3.230.0150.00416.39
7.3.210.0090.00916.37
7.3.200.0080.01019.39
7.3.190.0100.00716.25
7.3.180.0120.00916.17
7.3.170.0060.01716.47
7.3.160.0140.00316.61
7.2.330.0110.00916.77
7.2.320.0100.00716.70
7.2.310.0100.00716.70
7.2.300.0130.00316.80
7.2.290.0120.00916.46
7.2.60.0080.00816.87
7.2.00.0030.00719.46
7.1.200.0040.00815.79
7.1.100.0030.01218.25
7.1.70.0070.00017.09
7.1.60.0030.02019.46
7.1.50.0240.01034.79
7.1.00.0070.07322.54
7.0.200.0240.00314.75
7.0.140.0000.07022.11
7.0.70.0030.08321.76
7.0.60.0130.07021.77
7.0.50.0070.08022.11
7.0.40.0130.08020.04
7.0.30.0030.08020.14
7.0.20.0000.07020.10
7.0.10.0130.07020.06
7.0.00.0030.06320.18
5.6.280.0070.07021.13
5.6.220.0070.08320.53
5.6.210.0100.06720.54
5.6.200.0030.09021.03
5.6.190.0030.08021.01
5.6.180.0000.08020.96
5.6.170.0070.07721.00
5.6.160.0130.07321.09
5.6.150.0000.07321.08
5.6.140.0070.08321.07
5.6.130.0070.08721.08
5.6.120.0000.05321.04
5.6.110.0000.06721.16
5.6.100.0100.08321.16
5.6.90.0030.07721.07
5.6.80.0130.05720.43
5.6.70.0070.07720.33
5.6.60.0030.06720.41
5.6.50.0000.06320.42
5.6.40.0100.07320.36
5.6.30.0130.06320.40
5.6.20.0070.07720.47
5.6.10.0070.07720.30
5.6.00.0030.07720.42
5.5.360.0030.08320.43
5.5.350.0030.08320.37
5.5.340.0030.07720.89
5.5.330.0170.07020.65
5.5.320.0070.07020.84
5.5.310.0130.08020.75
5.5.300.0070.07720.83
5.5.290.0000.09020.76
5.5.280.0000.05320.73
5.5.270.0000.04320.84
5.5.260.0100.05320.86
5.5.250.0030.08320.70
5.5.240.0070.05020.29
5.5.230.0100.08320.19
5.5.220.0030.06320.18
5.5.210.0030.08320.10
5.5.200.0100.07320.12
5.5.190.0130.07320.11
5.5.180.0070.07320.17
5.5.160.0000.07020.27
5.5.150.0100.07320.15
5.5.140.0070.07320.15
5.5.130.0030.06020.20
5.5.120.0030.04020.24
5.5.110.0130.07020.25
5.5.100.0030.08020.11
5.5.90.0030.03720.13
5.5.80.0070.07720.08
5.5.70.0000.07319.94
5.5.60.0000.05320.05
5.5.50.0000.07320.13
5.5.40.0000.05020.04
5.5.30.0000.04320.14
5.5.20.0070.07720.13
5.5.10.0100.07320.12
5.5.00.0070.05720.10
5.4.450.0030.07319.51
5.4.440.0070.07319.37
5.4.430.0000.04319.17
5.4.420.0000.04019.35
5.4.410.0100.07019.23
5.4.400.0070.07719.23
5.4.390.0070.07319.04
5.4.380.0000.08019.05
5.4.370.0030.07719.04
5.4.360.0070.08019.05
5.4.350.0130.07019.04
5.4.340.0070.07719.10
5.4.320.0030.04718.90
5.4.310.0000.07018.88
5.4.300.0030.08019.14
5.4.290.0030.06318.84
5.4.280.0000.05319.20
5.4.270.0000.06719.02
5.4.260.0000.04019.04
5.4.250.0000.04019.02
5.4.240.0070.06318.94
5.4.230.0130.07018.94
5.4.220.0030.04019.13
5.4.210.0030.03319.13
5.4.200.0130.06019.11
5.4.190.0100.05319.11
5.4.180.0000.07019.21
5.4.170.0070.06318.89
5.4.160.0070.07319.14
5.4.150.0070.08018.88
5.4.140.0070.05716.50
5.4.130.0030.07016.39
5.4.120.0070.05716.46
5.4.110.0030.06716.40
5.4.100.0030.07316.52
5.4.90.0100.07016.41
5.4.80.0030.04716.38
5.4.70.0030.06716.46
5.4.60.0000.07316.46
5.4.50.0030.07316.48
5.4.40.0070.07016.49
5.4.30.0070.05316.33
5.4.20.0000.07016.32
5.4.10.0000.06716.41
5.4.00.0000.06315.85
5.3.290.0000.07314.67
5.3.280.0070.07314.71
5.3.270.0030.08014.55
5.3.260.0070.07714.53
5.3.250.0070.07014.63
5.3.240.0030.07314.66
5.3.230.0030.08014.57
5.3.220.0000.08014.57
5.3.210.0130.07014.70
5.3.200.0000.07714.50
5.3.190.0030.07714.68
5.3.180.0070.07014.55
5.3.170.0100.07014.62
5.3.160.0100.06714.49
5.3.150.0070.06014.57
5.3.140.0000.07714.57
5.3.130.0070.07714.61
5.3.120.0070.05714.61
5.3.110.0030.08014.52
5.3.100.0030.07314.03
5.3.90.0030.08013.95
5.3.80.0070.07314.11
5.3.70.0000.07713.94
5.3.60.0030.06713.94
5.3.50.0030.07314.01
5.3.40.0030.04313.86
5.3.30.0030.07313.92
5.3.20.0000.07013.72
5.3.10.0000.07713.75
5.3.00.0000.07313.54
5.2.170.0030.06012.21
5.2.160.0000.05312.21
5.2.150.0000.06712.21
5.2.140.0000.05012.21
5.2.130.0000.05712.21
5.2.120.0070.05012.21
5.2.110.0000.06712.21
5.2.100.0000.04312.21
5.2.90.0030.06312.21
5.2.80.0000.04712.21
5.2.70.0000.06312.21
5.2.60.0030.06012.21
5.2.50.0030.06312.21
5.2.40.0000.06012.21
5.2.30.0100.04012.21
5.2.20.0030.04312.21
5.2.10.0100.06012.21
5.2.00.0030.04312.21
5.1.60.0030.05712.21
5.1.50.0000.05012.21
5.1.40.0030.04712.21
5.1.30.0030.05712.21
5.1.20.0030.05312.21
5.1.10.0030.04712.21
5.1.00.0000.05712.21
5.0.50.0030.04712.21
5.0.40.0000.04712.21
5.0.30.0000.06712.21
5.0.20.0000.03712.21
5.0.10.0000.04012.21
5.0.00.0030.06712.21
4.4.90.0000.03712.21
4.4.80.0030.02012.21
4.4.70.0030.03312.21
4.4.60.0070.03012.21
4.4.50.0130.02712.21
4.4.40.0000.05712.21
4.4.30.0030.02312.21
4.4.20.0000.03012.21
4.4.10.0000.03712.21
4.4.00.0070.04012.21
4.3.110.0030.03712.21
4.3.100.0000.03312.21
4.3.90.0000.03712.21
4.3.80.0000.04312.21
4.3.70.0030.03312.21
4.3.60.0000.03712.21
4.3.50.0030.03312.21
4.3.40.0030.05012.21
4.3.30.0000.03312.21
4.3.20.0030.02712.21
4.3.10.0000.03012.21
4.3.00.0000.03712.21

preferences:
48.73 ms | 400 KiB | 5 Q