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"; } public function __toString() { return $this->name; } } $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)
8.4.140.0130.01517.52
8.4.130.0100.01117.73
8.4.120.0070.00120.57
8.4.110.0140.00618.86
8.4.100.0090.01118.78
8.4.90.0090.01120.67
8.4.80.0120.00718.95
8.4.70.0110.00920.67
8.4.60.0110.00920.58
8.4.50.0110.01018.52
8.4.40.0210.00017.69
8.4.30.0130.00718.59
8.4.20.0110.00817.89
8.4.10.0090.00017.69
8.3.270.0140.01316.64
8.3.260.0080.01116.44
8.3.250.0100.00920.87
8.3.240.0130.00616.61
8.3.230.0130.00616.39
8.3.220.0090.01019.01
8.3.210.0050.00316.49
8.3.200.0060.00316.76
8.3.190.0070.00421.07
8.3.180.0110.00718.97
8.3.170.0070.01119.22
8.3.160.0140.00416.54
8.3.150.0070.01116.76
8.3.140.0080.00016.78
8.3.130.0080.00018.27
8.3.120.0030.00618.94
8.3.110.0130.00620.94
8.3.100.0040.01124.06
8.3.90.0050.00326.77
8.3.80.0090.00016.63
8.3.70.0120.00316.61
8.3.60.0110.00416.88
8.3.50.0090.01318.53
8.3.40.0120.00318.89
8.3.30.0150.00018.71
8.3.20.0070.00024.18
8.3.10.0000.00824.66
8.3.00.0080.00026.16
8.2.290.0090.00916.57
8.2.280.0090.00918.31
8.2.270.0040.00416.61
8.2.260.0040.01417.29
8.2.250.0130.00616.53
8.2.240.0060.00318.96
8.2.230.0100.00622.58
8.2.220.0090.00037.54
8.2.210.0040.00426.77
8.2.200.0070.00416.38
8.2.190.0060.00916.63
8.2.180.0090.01325.92
8.2.170.0120.00318.94
8.2.160.0100.00322.96
8.2.150.0000.00825.66
8.2.140.0000.00724.66
8.2.130.0000.00926.16
8.2.120.0000.00726.16
8.2.110.0000.01021.09
8.2.100.0090.00317.83
8.2.90.0000.00919.23
8.2.80.0000.00917.97
8.2.70.0050.00317.50
8.2.60.0050.00318.05
8.2.50.0000.00818.07
8.2.40.0050.00318.26
8.2.30.0040.00417.94
8.2.20.0000.00720.43
8.2.10.0050.00317.68
8.2.00.0040.00419.22
8.1.330.0140.00516.28
8.1.320.0120.00817.86
8.1.310.0030.01418.35
8.1.300.0120.00617.80
8.1.290.0060.00318.88
8.1.280.0110.00825.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00328.09
8.1.240.0080.00420.69
8.1.230.0000.01120.79
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.35
8.1.180.0030.00518.10
8.1.170.0040.00418.84
8.1.160.0000.00718.90
8.1.150.0040.00418.62
8.1.140.0030.00617.32
8.1.130.0000.00720.28
8.1.120.0080.00017.50
8.1.110.0040.00417.34
8.1.100.0040.00417.47
8.1.90.0000.00717.48
8.1.80.0060.00317.49
8.1.70.0030.00317.46
8.1.60.0040.00717.48
8.1.50.0000.00717.41
8.1.40.0040.00417.57
8.1.30.0080.00017.55
8.1.20.0080.00017.68
8.1.10.0030.00617.58
8.1.00.0060.00317.47
8.0.300.0040.00418.77
8.0.290.0030.00516.63
8.0.280.0040.00418.45
8.0.270.0040.00416.88
8.0.260.0000.00718.44
8.0.250.0080.00016.84
8.0.240.0040.00416.85
8.0.230.0000.00816.92
8.0.220.0000.00816.88
8.0.210.0030.00316.86
8.0.200.0030.00316.91
8.0.190.0030.00616.91
8.0.180.0030.00516.96
8.0.170.0040.00416.89
8.0.160.0000.01016.90
8.0.150.0070.00016.82
8.0.140.0040.00416.75
8.0.130.0040.00416.81
8.0.120.0000.00816.71
8.0.110.0040.00416.79
8.0.100.0000.00916.89
8.0.90.0000.00716.89
8.0.80.0000.00716.93
8.0.70.0070.00016.77
8.0.60.0030.00316.77
8.0.50.0050.00316.82
8.0.30.0040.00416.88
8.0.20.0030.00316.94
8.0.10.0040.00416.90
7.4.330.0000.00515.55
7.4.320.0000.00616.55
7.4.300.0000.00616.49
7.4.290.0080.00016.53
7.4.280.0000.00716.47
7.4.270.0030.00516.60
7.4.260.0040.00416.50
7.4.250.0040.00416.60
7.4.240.0040.00416.59
7.4.230.0030.00316.60
7.4.220.0000.00816.62
7.4.210.0030.00316.52
7.4.200.0000.00716.48
7.4.190.0030.00516.57
7.4.180.0000.00816.69
7.4.160.0000.00716.48
7.4.150.0070.00016.50
7.4.140.0070.00016.53
7.4.130.0050.00316.58
7.4.120.0070.00016.38
7.4.110.0040.00416.47
7.4.100.0000.00716.58
7.4.90.0000.00816.34
7.4.80.0050.00316.52
7.4.70.0030.00316.46
7.4.60.0000.00616.52
7.4.50.0070.00016.20
7.4.40.0080.00016.30
7.4.30.0000.00716.30
7.4.20.0000.00816.44
7.4.10.0000.00816.43
7.4.00.0080.00016.52

preferences:
37.6 ms | 403 KiB | 5 Q