3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'id' => 67941, 'parent_id' => 0, 'name' => 'Requirement', 'children' => [ [ 'id' => 67942, 'parent_id' => 67941, 'name' => 'Sub Requirement', 'children' => [ [ 'id' => 67943, 'parent_id' => 67942, 'name' => 'Sub Sub Requirement', ], ], ], ], ], [ 'id' => 67977, 'parent_id' => 0, 'name' => 'Requirement', 'children' => [ [ 'id' => 67978, 'parent_id' => 67977, 'name' => 'Sub Requirement', 'children' => [ [ 'id' => 67979, 'parent_id' => 67978, 'name' => 'Sub Sub Requirement', 'children' => [ [ 'id' => 67980, 'parent_id' => 67979, 'name' => 'Sub Sub Sub Requirement', ], ], ], ], ], ], ], ]; $needle = 67943; $ritit = new RecursiveIteratorIterator(new RecursiveArrayIterator($array)); $result = null; foreach ($ritit as $leafValue) { $path = []; foreach (range(0, $ritit->getDepth()) as $depth) { $obj = $ritit->getSubIterator($depth); $key = $obj->key(); if ($key !== 'children') { $path[] = $key; } if ($obj->current() === $needle) { $result = $path; break 2; } } } var_export($result);

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)
8.5.10.0100.00619.98
8.5.00.0090.01220.18
8.4.160.0130.00923.84
8.4.150.0020.00014.05
8.4.140.0120.00817.51
8.4.130.0110.01117.63
8.4.120.0160.00320.32
8.4.110.0160.00422.36
8.4.100.0100.00717.48
8.4.90.0140.00718.78
8.4.80.0060.00319.53
8.4.70.0040.00517.71
8.4.60.0110.01018.84
8.4.50.0130.00918.73
8.4.40.0000.00920.26
8.4.30.0160.00318.95
8.4.20.0100.01017.79
8.4.10.0090.00023.69
8.3.280.0100.01018.46
8.3.270.0100.01016.57
8.3.260.0110.00916.48
8.3.250.0050.00219.03
8.3.240.0130.00616.73
8.3.230.0020.00616.82
8.3.220.0130.00617.41
8.3.210.0070.00616.38
8.3.200.0050.00316.55
8.3.190.0060.01019.06
8.3.180.0110.00818.88
8.3.170.0110.00720.53
8.3.160.0070.01117.42
8.3.150.0110.00719.15
8.3.140.0000.00818.84
8.3.130.0070.00316.78
8.3.120.0120.00320.71
8.3.110.0030.00620.94
8.3.100.0030.00616.79
8.3.90.0070.00026.77
8.3.80.0030.00618.43
8.3.70.0070.01518.30
8.3.60.0120.00918.45
8.3.50.0040.01216.57
8.3.40.0030.01421.67
8.3.30.0110.00418.87
8.3.20.0000.00724.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.290.0050.00920.34
8.2.280.0100.01418.30
8.2.270.0110.00716.84
8.2.260.0070.01116.55
8.2.250.0080.00018.43
8.2.240.0030.00617.28
8.2.230.0080.00822.58
8.2.220.0030.00624.06
8.2.210.0140.00426.77
8.2.200.0110.00018.54
8.2.190.0110.01116.58
8.2.180.0110.00417.91
8.2.170.0140.00019.00
8.2.160.0030.01022.96
8.2.150.0080.00025.66
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00420.02
8.2.110.0070.00322.19
8.2.100.0000.01217.78
8.2.90.0050.00319.35
8.2.80.0040.00417.97
8.2.70.0060.00318.05
8.2.60.0040.00417.93
8.2.50.0020.00718.10
8.2.40.0190.00018.10
8.2.30.0080.00818.10
8.2.20.0120.00418.10
8.2.10.0040.01218.10
8.2.00.0080.00818.10
8.1.330.0120.00623.69
8.1.320.0100.00915.90
8.1.310.0000.00718.53
8.1.300.0040.00418.56
8.1.290.0030.00730.84
8.1.280.0040.01125.92
8.1.270.0070.00024.66
8.1.260.0090.00026.35
8.1.250.0000.00728.09
8.1.240.0080.00022.55
8.1.230.0120.00017.83
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0080.00017.23
8.1.180.0160.00018.10
8.1.170.0160.00018.10
8.1.160.0160.00018.10
8.1.150.0130.00418.10
8.1.140.0070.01018.10
8.1.130.0130.00418.10
8.1.120.0140.00318.10
8.1.110.0130.00318.10
8.1.100.0150.00318.10
8.1.90.0130.00318.10
8.1.80.0140.00318.10
8.1.70.0090.00918.10
8.1.60.0200.00018.10
8.1.50.0110.00718.10
8.1.40.0090.00918.10
8.1.30.0090.00918.10
8.1.20.0090.00918.10
8.1.10.0210.00418.10
8.1.00.0060.01318.10
8.0.300.0050.00521.40
8.0.290.0000.00716.75
8.0.280.0100.00618.10
8.0.270.0140.00318.10
8.0.260.0090.00618.10
8.0.250.0120.00618.10
8.0.240.0140.00518.10
8.0.230.0080.00818.10
8.0.220.0110.00718.10
8.0.210.0130.00418.10
8.0.200.0150.00218.10
8.0.190.0140.00318.10
8.0.180.0120.00418.10
8.0.170.0180.00018.10
8.0.160.0120.00618.10
8.0.150.0090.00918.10
8.0.140.0070.01018.10
8.0.130.0180.00018.10
8.0.120.0120.00518.10
8.0.110.0090.00718.10
8.0.100.0090.00618.10
8.0.90.0120.00518.10
8.0.80.0150.00418.10
8.0.70.0190.00018.10
8.0.60.0130.00518.10
8.0.50.0110.00518.10
8.0.30.0130.00318.10
8.0.20.0120.00418.10
8.0.10.0140.00318.10

preferences:
91.22 ms | 403 KiB | 5 Q