3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'id' => 1, 'parentId' => "" ], [ 'id' => 2, 'parentId' => 1 ], [ 'id' => 3, 'parentId' => 2 ] ]; $entriesById = array_column($array, null, 'id'); $entriesWithAncestors = array_reduce( $entriesById, static function (array $result, array $entry) use ($entriesById): array { $result[$entry['id']] = $entry + ['ancestors' => []]; $parentId = $entry['parentId']; while (isset($result[$parentId])) { $result[$entry['id']]['ancestors'][] = $result[$parentId]; $parentId = $entriesById[$parentId]['parentId'] ?? null; } return $result; }, [] ); print_r($entriesWithAncestors);

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)
8.4.120.0120.00820.52
8.4.110.0140.00722.51
8.4.100.0070.00218.71
8.4.90.0110.01018.76
8.4.80.0080.00217.85
8.4.70.0130.00817.96
8.4.60.0140.00618.98
8.4.50.0100.00920.28
8.4.40.0100.01017.89
8.4.30.0070.00320.33
8.4.20.0080.00817.82
8.4.10.0040.01119.52
8.3.250.0070.00118.90
8.3.240.0110.00717.10
8.3.230.0050.00516.73
8.3.220.0140.00417.35
8.3.210.0040.00316.51
8.3.200.0060.00316.83
8.3.190.0070.01017.12
8.3.180.0100.00816.61
8.3.170.0110.00819.16
8.3.160.0130.00618.48
8.3.150.0090.00021.00
8.3.140.0030.00717.03
8.3.130.0040.00418.46
8.3.120.0060.01019.14
8.3.110.0060.00320.94
8.3.100.0100.01024.06
8.3.90.0040.00426.77
8.3.80.0050.00516.63
8.3.70.0100.00716.58
8.3.60.0110.01116.75
8.3.50.0120.00724.33
8.3.40.0070.00718.79
8.3.30.0130.00319.02
8.3.20.0050.00224.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0120.00620.61
8.2.280.0060.00418.43
8.2.270.0070.00717.25
8.2.260.0000.00718.88
8.2.250.0090.00916.53
8.2.240.0090.00017.39
8.2.230.0030.00622.58
8.2.220.0030.00637.54
8.2.210.0050.00326.77
8.2.200.0080.00016.63
8.2.190.0110.00316.63
8.2.180.0120.00325.92
8.2.170.0110.00719.07
8.2.160.0030.01022.96
8.2.150.0000.00725.66
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00420.69
8.2.110.0100.00019.45
8.2.100.0070.00417.93
8.2.90.0050.00319.24
8.2.80.0000.00817.97
8.2.70.0030.00517.63
8.2.60.0000.00919.14
8.2.50.0080.00018.10
8.2.40.0050.00320.47
8.2.30.0000.00818.21
8.2.20.0070.00018.15
8.2.10.0050.00219.40
8.2.00.0000.00719.33
8.1.330.0070.01122.14
8.1.320.0040.00516.05
8.1.310.0040.00418.45
8.1.300.0120.00318.50
8.1.290.0040.00430.84
8.1.280.0130.00325.92
8.1.270.0060.01020.79
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00321.37
8.1.230.0000.01117.76
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.25
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0040.00420.37
8.1.160.0040.00418.78
8.1.150.0040.00418.82
8.1.140.0040.00418.96
8.1.130.0040.00417.54
8.1.120.0050.00317.38
8.1.110.0030.00517.36
8.1.100.0040.00417.34
8.1.90.0040.00417.49
8.1.80.0070.00017.32
8.1.70.0000.00717.53
8.1.60.0040.00417.61
8.1.50.0000.00817.47
8.1.40.0040.00817.46
8.1.30.0040.00417.66
8.1.20.0030.00617.65
8.1.10.0040.00417.49
8.1.00.0040.00817.55
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.47
8.0.270.0030.00317.99
8.0.260.0070.00016.86
8.0.250.0070.00017.02
8.0.240.0060.00017.00
8.0.230.0040.00417.05
8.0.220.0000.00716.86
8.0.210.0030.00316.98
8.0.200.0070.00017.04
8.0.190.0040.00417.04
8.0.180.0070.00016.98
8.0.170.0060.00317.05
8.0.160.0000.00716.98
8.0.150.0000.00716.86
8.0.140.0000.00816.94
8.0.130.0000.00613.39
8.0.120.0000.00716.84
8.0.110.0030.00416.83
8.0.100.0000.00716.98
8.0.90.0040.00416.84
8.0.80.0040.01016.95
8.0.70.0030.00516.99
8.0.60.0040.00417.00
8.0.50.0000.00816.79
8.0.30.0030.01317.23
8.0.20.0090.01117.15
8.0.10.0040.00417.00
8.0.00.0120.00616.78
7.4.330.0030.00315.55
7.4.320.0000.00616.53
7.4.300.0030.00616.51
7.4.290.0000.00816.48
7.4.280.0050.00316.54
7.4.270.0040.00416.37
7.4.260.0000.00513.40
7.4.250.0030.00316.48
7.4.240.0030.00316.44
7.4.230.0070.00016.68
7.4.220.0020.00516.46
7.4.210.0060.01116.63
7.4.200.0070.00016.71
7.4.130.0080.00916.55
7.4.120.0170.00916.57
7.4.110.0060.01216.66
7.4.100.0060.01016.52
7.4.90.0110.01116.66
7.4.80.0140.01116.39
7.4.70.0090.01316.52
7.4.60.0110.01116.39
7.4.50.0140.00516.44
7.4.40.0100.01016.52
7.4.30.0110.00916.17
7.4.20.0100.01016.00
7.4.10.0110.00616.53
7.4.00.0040.01516.60
7.3.330.0090.00016.23
7.3.320.0020.00213.45
7.3.310.0040.00316.32
7.3.300.0030.00316.29
7.3.290.0060.00816.35
7.3.280.0040.01116.32
7.3.260.0140.00316.33
7.3.230.0080.01016.60
7.3.210.0150.01116.57
7.3.200.0140.01116.58
7.3.190.0110.01116.41
7.3.180.0140.00716.40
7.3.170.0090.00916.56
7.3.160.0130.00916.44
7.3.150.0140.01116.24
7.3.140.0120.00916.54
7.3.130.0120.00616.30
7.3.120.0150.00316.61
7.3.110.0140.00516.54
7.3.100.0140.00516.50
7.3.90.0230.00016.49
7.3.80.0170.00416.29
7.3.70.0100.00816.39
7.3.60.0100.01416.37
7.3.50.0160.00616.32
7.3.40.0090.00916.54
7.3.30.0090.00916.46
7.3.20.0110.00816.30
7.3.10.0200.00616.31
7.3.00.0130.00716.40
7.2.330.0110.01116.75
7.2.320.0150.01016.61
7.2.310.0220.00616.75
7.2.300.0120.01116.63
7.2.290.0100.01016.66
7.2.280.0150.01216.69
7.2.270.0110.00816.52
7.2.260.0160.00316.80
7.2.250.0130.00616.73
7.2.240.0030.01316.79
7.2.230.0130.00816.54
7.2.220.0080.01116.80
7.2.210.0120.01216.74
7.2.200.0060.01216.64
7.2.190.0110.01516.53
7.2.180.0180.00616.65
7.2.170.0040.01916.61
7.2.160.0120.01416.73
7.2.150.0130.01316.54
7.2.140.0160.00616.75
7.2.130.0050.01516.76
7.2.120.0130.00816.62
7.2.110.0140.00716.67
7.2.100.0050.01416.81
7.2.90.0170.00316.48
7.2.80.0170.00316.76
7.2.70.0180.00216.53
7.2.60.0160.00416.67
7.2.50.0120.01116.71
7.2.40.0100.01216.66
7.2.30.0180.00616.81
7.2.20.0140.01016.61
7.2.10.0230.00316.88
7.2.00.0090.01216.46

preferences:
28.68 ms | 403 KiB | 5 Q