3v4l.org

run code in 300+ PHP versions simultaneously
<?php $menu = [ [ 'navigationMenuId' => '1', 'subNavigationItems' => [], ], [ 'navigationMenuId' => '2', 'subNavigationItems' => [], ], [ 'navigationMenuId' => '3', 'subNavigationItems' => [ 4 => [ 'navigationMenuId' => '4', 'subNavigationItems' => [], ], 5 => [ 'navigationMenuId' => '5', 'subNavigationItems' => [], ], 6 => [ 'navigationMenuId' => '6', 'subNavigationItems' => [], ], 7 => [ 'navigationMenuId' => '7', 'subNavigationItems' => [], ], ], ], [ 'navigationMenuId' => '8', 'subNavigationItems' => [], ], [ 'navigationMenuId' => '9', 'subNavigationItems' => [ 10 => [ 'navigationMenuId' => '10', 'subNavigationItems' => [], ], 11 => [ 'navigationMenuId' => '11', 'subNavigationItems' => [], ], 12 => [ 'navigationMenuId' => '12', 'subNavigationItems' => [], ], ], ], [ 'navigationMenuId' => '13', 'subNavigationItems' => [], ], ]; function reindexChildren(array $array): array { foreach ($array as &$item) { if ($item['subNavigationItems']) { $item = reindexChildren($item['subNavigationItems']); } } return array_values($array); } var_export( reindexChildren($menu) );

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)
8.4.120.0130.00721.96
8.4.110.0130.00718.84
8.4.100.0110.00917.50
8.4.90.0090.01120.58
8.4.80.0050.00318.96
8.4.70.0050.00418.92
8.4.60.0050.00920.57
8.4.50.0130.00818.56
8.4.40.0100.00719.55
8.4.30.0070.01018.64
8.4.20.0000.00919.49
8.4.10.0040.00820.64
8.3.250.0040.00319.13
8.3.240.0110.00616.67
8.3.230.0090.01216.80
8.3.220.0030.00418.89
8.3.210.0040.00416.53
8.3.200.0060.00516.73
8.3.190.0100.00717.13
8.3.180.0120.00519.01
8.3.170.0150.00317.18
8.3.160.0160.00316.75
8.3.150.0040.00416.63
8.3.140.0030.00518.76
8.3.130.0060.00318.71
8.3.120.0060.00920.81
8.3.110.0060.00316.79
8.3.100.0070.01318.35
8.3.90.0000.00826.77
8.3.80.0090.00016.63
8.3.70.0070.01418.39
8.3.60.0130.00318.55
8.3.50.0140.00523.62
8.3.40.0080.00521.88
8.3.30.0090.00618.70
8.3.20.0080.00024.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.290.0120.00716.64
8.2.280.0110.00818.47
8.2.270.0100.01016.55
8.2.260.0040.00417.42
8.2.250.0080.00016.61
8.2.240.0030.00617.21
8.2.230.0000.00820.94
8.2.220.0040.00424.06
8.2.210.0000.00826.77
8.2.200.0060.00316.75
8.2.190.0120.00616.63
8.2.180.0110.00425.92
8.2.170.0060.00918.94
8.2.160.0140.00722.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00426.35
8.2.110.0000.01121.03
8.2.100.0040.00817.91
8.2.90.0060.00317.89
8.2.80.0040.00417.97
8.2.70.0050.00317.80
8.2.60.0030.00518.22
8.2.50.0040.00718.10
8.2.40.0030.00619.36
8.2.30.0050.00219.17
8.2.20.0040.00418.17
8.2.10.0000.00719.34
8.2.00.0070.00019.32
8.1.330.0090.00915.98
8.1.320.0120.00617.83
8.1.310.0100.00716.46
8.1.300.0150.00416.26
8.1.290.0060.00330.84
8.1.280.0070.00725.92
8.1.270.0030.01023.99
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0090.00022.25
8.1.230.0120.00022.78
8.1.220.0040.00417.74
8.1.210.0060.00318.88
8.1.200.0030.00617.35
8.1.190.0060.00317.38
8.1.180.0060.00318.10
8.1.170.0000.00818.55
8.1.160.0040.00419.05
8.1.150.0000.00718.88
8.1.140.0080.00020.58
8.1.130.0000.00720.21
8.1.120.0070.00017.50
8.1.110.0030.00517.52
8.1.100.0040.00417.40
8.1.90.0050.00317.43
8.1.80.0000.00717.49
8.1.70.0000.00717.54
8.1.60.0030.00517.60
8.1.50.0080.00017.43
8.1.40.0030.00517.43
8.1.30.0030.00517.58
8.1.20.0040.00417.66
8.1.10.0030.00517.52
8.1.00.0040.00417.55
8.0.300.0050.00320.05
8.0.290.0080.00016.75
8.0.280.0030.00318.38
8.0.270.0050.00216.80
8.0.260.0000.00720.24
8.0.250.0000.00716.98
8.0.240.0030.00316.88
8.0.230.0030.00317.00
8.0.220.0050.00316.95
8.0.210.0050.00216.96
8.0.200.0070.00016.92
8.0.190.0030.00616.95
8.0.180.0000.00716.86
8.0.170.0030.00516.95
8.0.160.0070.00016.92
8.0.150.0040.00416.93
8.0.140.0000.00816.90
8.0.130.0060.00013.44
8.0.120.0040.00416.77
8.0.110.0050.00216.96
8.0.100.0040.00416.99
8.0.90.0070.00016.86
8.0.80.0100.00816.87
8.0.70.0050.00316.86
8.0.60.0050.00216.83
8.0.50.0070.00016.81
8.0.30.0030.01316.79
8.0.20.0100.01217.10
8.0.10.0070.00016.93
8.0.00.0080.01116.87
7.4.330.0030.00315.55
7.4.320.0030.00316.45
7.4.300.0000.00716.67
7.4.290.0000.00716.45
7.4.280.0040.00416.63
7.4.270.0000.00916.61
7.4.260.0030.00313.42
7.4.250.0000.00716.57
7.4.240.0040.00416.52
7.4.230.0030.00316.54
7.4.220.0040.00316.68
7.4.210.0080.00716.61
7.4.200.0000.00716.43
7.4.130.0070.01016.54
7.4.120.0150.00716.53
7.4.110.0110.00616.63
7.4.100.0100.00716.56
7.4.90.0110.01116.48
7.4.80.0130.01016.57
7.4.70.0140.00516.36
7.4.60.0110.00716.38
7.4.50.0070.01316.61
7.4.40.0160.00416.46
7.4.30.0110.00816.40
7.4.20.0070.01116.55
7.4.10.0140.00616.50
7.4.00.0030.01516.56
7.3.330.0000.00716.27
7.3.320.0050.00013.25
7.3.310.0040.00416.45
7.3.300.0050.00216.41
7.3.290.0090.00716.35
7.3.260.0150.00316.71
7.3.230.0070.01016.52
7.3.220.0120.00416.27
7.3.210.0150.00416.39
7.3.200.0100.01016.34
7.3.190.0110.00616.37
7.3.180.0180.00016.31
7.3.170.0140.00316.18
7.3.160.0130.00416.33
7.3.150.0080.00816.48
7.3.140.0130.00316.39
7.3.130.0170.00016.46
7.3.120.0070.01116.45
7.3.110.0120.00316.32
7.3.100.0070.01016.32
7.3.90.0140.00316.59
7.3.80.0110.00616.70
7.3.70.0080.00716.27
7.3.60.0090.00916.55
7.3.50.0120.00416.34
7.3.40.0120.00916.26
7.3.30.0090.00916.55
7.3.20.0140.00416.55
7.3.10.0190.00316.21
7.3.00.0070.01016.37
7.2.340.0150.00816.71
7.2.330.0090.01116.72
7.2.320.0150.00316.84
7.2.310.0130.00716.46
7.2.300.0080.01116.48
7.2.290.0040.01716.76
7.2.280.0160.00316.54
7.2.270.0030.01416.75
7.2.260.0040.01316.54
7.2.250.0060.01216.40
7.2.240.0130.00316.53
7.2.230.0090.00916.59
7.2.220.0120.00816.70
7.2.210.0070.01116.73
7.2.200.0100.00716.57
7.2.190.0170.00016.63
7.2.180.0150.00316.61
7.2.170.0080.01116.67
7.2.160.0120.01216.74
7.2.150.0060.01216.57
7.2.140.0060.01216.71
7.2.130.0070.01116.66
7.2.120.0150.00316.58
7.2.110.0130.00616.77
7.2.100.0100.00616.73
7.2.90.0090.01316.69
7.2.80.0140.00516.79
7.2.70.0100.00816.69
7.2.60.0080.01116.66
7.2.50.0120.00916.61
7.2.40.0070.01116.82
7.2.30.0150.00416.60
7.2.20.0070.01116.72
7.2.10.0100.01016.83
7.2.00.0120.00616.62

preferences:
30.9 ms | 403 KiB | 5 Q