3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'parent' => 'Basic', 'parentId' => 1, 'child' => 'Birthday', 'childId' => 2, ], [ 'parent' => 'Basic', 'parentId' => 1, 'child' => 'Gender', 'childId' => 3, ], [ 'parent' => 'Geo', 'parentId' => 10, 'child' => 'Current City', 'childId' => 11, ], [ 'parent' => 'Known me', 'parentId' => 5, 'child' => 'My personality', 'childId' => 7, ], [ 'parent' => 'Known me', 'parentId' => 5, 'child' => 'Best life moment', 'childId' => 8, ], ]; $result = []; foreach ($array as $row) { if (!isset($result[$row['parentId']])) { unset($row['childId']); $row['child'] = (array) $row['child']; $result[$row['parentId']] = $row; } else { $result[$row['parentId']]['child'][] = $row['child']; } } var_export(array_values($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)
8.4.120.0120.00920.64
8.4.110.0140.00618.78
8.4.100.0120.00917.46
8.4.90.0140.00718.70
8.4.80.0090.01317.87
8.4.70.0030.00517.83
8.4.60.0110.00318.95
8.4.50.0120.00618.67
8.4.40.0080.00817.57
8.4.30.0090.00918.82
8.4.20.0080.00018.65
8.4.10.0080.00019.36
8.3.250.0080.01019.03
8.3.240.0070.00216.85
8.3.230.0090.01016.76
8.3.220.0110.00817.17
8.3.210.0050.00316.54
8.3.200.0040.00516.68
8.3.190.0020.00617.29
8.3.180.0090.01118.24
8.3.170.0110.00720.88
8.3.160.0070.01416.53
8.3.150.0090.00916.48
8.3.140.0040.00420.98
8.3.130.0040.00418.28
8.3.120.0060.00618.84
8.3.110.0100.00620.94
8.3.100.0030.00624.06
8.3.90.0000.00826.77
8.3.80.0070.00317.97
8.3.70.0090.00916.50
8.3.60.0150.00016.63
8.3.50.0110.00718.39
8.3.40.0110.00420.32
8.3.30.0000.01420.39
8.3.20.0000.00724.18
8.3.10.0000.00824.66
8.3.00.0030.00624.66
8.2.290.0080.00120.66
8.2.280.0040.00420.17
8.2.270.0070.01118.77
8.2.260.0040.00420.30
8.2.250.0000.00816.63
8.2.240.0100.01018.79
8.2.230.0080.00022.58
8.2.220.0030.00637.54
8.2.210.0000.00826.77
8.2.200.0060.00316.63
8.2.190.0040.01816.58
8.2.180.0040.01116.75
8.2.170.0070.00718.95
8.2.160.0030.01022.96
8.2.150.0000.00825.66
8.2.140.0030.00624.66
8.2.130.0060.00324.66
8.2.120.0040.00424.66
8.2.110.0050.00524.66
8.2.100.0040.00424.66
8.2.90.0040.00424.66
8.2.80.0030.00624.66
8.2.70.0040.00424.66
8.2.60.0040.00424.66
8.2.50.0050.00524.66
8.2.40.0040.00724.66
8.2.30.0100.00024.66
8.2.20.0070.00424.66
8.2.10.0060.00324.66
8.2.00.0090.00024.66
8.1.330.0120.00721.82
8.1.320.0090.01115.96
8.1.310.0040.00416.55
8.1.300.0060.00320.18
8.1.290.0030.00730.84
8.1.280.0070.01325.92
8.1.270.0060.00324.66
8.1.260.0050.00324.66
8.1.250.0080.00024.66
8.1.240.0060.00324.66
8.1.230.0080.00024.66
8.1.220.0060.00324.66
8.1.210.0000.00924.66
8.1.200.0000.00824.66
8.1.190.0090.00024.66
8.1.180.0080.00024.66
8.1.170.0060.00324.66
8.1.160.0000.00924.66
8.1.150.0040.00424.66
8.1.140.0040.00424.66
8.1.130.0040.00424.66
8.1.120.0000.00824.66
8.1.110.0040.00424.66
8.1.100.0000.00924.66
8.1.90.0080.00024.66
8.1.80.0090.00024.66
8.1.70.0040.00424.66
8.1.60.0090.00024.66
8.1.50.0090.00024.66
8.1.40.0090.00024.66
8.1.30.0090.00024.66
8.1.20.0090.00024.66
8.1.10.0080.00024.66
8.1.00.0090.00024.66

preferences:
27.62 ms | 403 KiB | 5 Q