3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyNode { public $name; public $children = array(); public $parent; public function __construct(string $name, $parent) { echo "in constructor\n"; $this->name = $name; echo "name: " . $this->name . ".\n"; $this->parent = $parent; echo "parent: " . $this->parent . ".\n"; } } $RootNode = new MyNode("Root", null); echo "done root x\n"; $ChildNode = new MyNode("Child1", $RootNode); echo "done child\n";

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)
8.4.140.0160.00617.65
8.4.130.0120.00817.96
8.4.120.0140.00720.84
8.4.110.0050.00420.48
8.4.100.0060.01318.69
8.4.90.0050.00820.45
8.4.80.0120.00918.26
8.4.70.0040.00518.04
8.4.60.0100.00718.02
8.4.50.0110.00919.63
8.4.40.0100.01017.79
8.4.30.0100.01018.55
8.4.20.0100.01018.06
8.4.10.0060.00317.86
8.3.270.0110.00916.69
8.3.260.0130.00616.95
8.3.250.0100.00818.82
8.3.240.0050.00317.03
8.3.230.0130.00816.76
8.3.220.0170.00316.94
8.3.210.0060.00216.91
8.3.200.0130.00916.73
8.3.190.0040.00418.79
8.3.180.0120.00716.88
8.3.170.0070.01118.93
8.3.160.0060.01217.04
8.3.150.0180.00020.74
8.3.140.0150.00417.24
8.3.130.0040.00418.55
8.3.120.0030.00619.03
8.3.110.0040.00720.94
8.3.100.0090.00024.06
8.3.90.0080.00026.77
8.3.80.0030.00616.81
8.3.70.0140.00016.63
8.3.60.0110.00416.75
8.3.50.0070.01420.31
8.3.40.0110.00718.57
8.3.30.0040.01118.89
8.3.20.0050.00224.18
8.3.10.0080.00024.66
8.3.00.0000.00826.16
8.2.290.0090.01020.54
8.2.280.0110.00916.76
8.2.270.0030.01017.40
8.2.260.0040.00418.81
8.2.250.0030.00616.91
8.2.240.0070.00717.09
8.2.230.0040.01522.58
8.2.220.0000.01137.54
8.2.210.0110.00726.77
8.2.200.0050.00516.75
8.2.190.0090.01218.54
8.2.180.0040.01125.92
8.2.170.0140.00718.91
8.2.160.0110.00422.96
8.2.150.0000.00825.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0100.00021.00
8.2.100.0110.00017.84
8.2.90.0040.00418.03
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0050.00317.63
8.2.50.0000.00817.98
8.2.40.0030.00618.16
8.2.30.0000.00717.99
8.2.20.0060.00320.49
8.2.10.0070.00017.66
8.2.00.0000.00719.30
8.1.330.0100.00922.01
8.1.320.0130.00616.01
8.1.310.0110.00318.50
8.1.300.0050.00518.03
8.1.290.0060.00318.88
8.1.280.0100.00725.92
8.1.270.0030.01422.06
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0070.00422.01
8.1.230.0000.01120.85
8.1.220.0070.00317.79
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0060.00317.36
8.1.180.0040.00418.10
8.1.170.0070.00017.62
8.1.160.0000.00718.89
8.1.150.0060.00318.52
8.1.140.0000.00717.45
8.1.130.0000.00720.27
8.1.120.0070.00017.43
8.1.110.0050.00317.35
8.1.100.0000.00717.52
8.1.90.0040.00317.46
8.1.80.0040.00417.34
8.1.70.0000.00717.38
8.1.60.0000.00917.60
8.1.50.0040.00417.50
8.1.40.0070.00017.54
8.1.30.0030.00617.48
8.1.20.0060.00317.54
8.1.10.0040.00417.50
8.1.00.0040.00417.48
8.0.300.0040.00421.96
8.0.290.0030.00616.62
8.0.280.0040.00418.39
8.0.270.0050.00216.88
8.0.260.0030.00318.39
8.0.250.0030.00317.04
8.0.240.0040.00417.05
8.0.230.0060.00317.02
8.0.220.0000.00716.84
8.0.210.0030.00316.90
8.0.200.0000.00617.04
8.0.190.0060.00516.98
8.0.180.0040.00417.00
8.0.170.0080.00016.96
8.0.160.0060.00617.04
8.0.150.0070.00016.84
8.0.140.0030.00516.91
8.0.130.0030.00516.78
8.0.120.0030.00316.84
8.0.110.0040.00417.00
8.0.100.0000.00716.93
8.0.90.0000.00816.93
8.0.80.0040.00416.91
8.0.70.0050.00216.91
8.0.60.0040.00416.88
8.0.50.0040.00416.90
8.0.30.0000.00716.77
8.0.20.0000.00716.95
8.0.10.0040.00416.81
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0000.00616.61
7.4.290.0090.00016.57
7.4.280.0050.00316.60
7.4.270.0000.00716.50
7.4.260.0030.00316.55
7.4.250.0050.00316.54
7.4.240.0000.00816.39
7.4.230.0030.00316.61
7.4.220.0080.00016.41
7.4.210.0070.00016.49
7.4.200.0030.00316.40
7.4.190.0030.00316.63
7.4.180.0030.00316.50
7.4.160.0030.00316.46
7.4.150.0040.00416.50
7.4.140.0030.00316.29
7.4.130.0030.00316.46
7.4.120.0000.00716.37
7.4.110.0030.00316.44
7.4.100.0000.00716.57
7.4.90.0030.00316.54
7.4.80.0030.00316.37
7.4.70.0030.00316.44
7.4.60.0030.00316.38
7.4.50.0030.00316.31
7.4.40.0000.00716.32
7.4.30.0000.00816.46
7.4.20.0070.00016.36
7.4.10.0000.00716.35
7.4.00.0000.00716.53

preferences:
33.54 ms | 403 KiB | 5 Q