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<?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) );
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array ( 0 => array ( 'navigationMenuId' => '1', 'subNavigationItems' => array ( ), ), 1 => array ( 'navigationMenuId' => '2', 'subNavigationItems' => array ( ), ), 2 => array ( 0 => array ( 'navigationMenuId' => '4', 'subNavigationItems' => array ( ), ), 1 => array ( 'navigationMenuId' => '5', 'subNavigationItems' => array ( ), ), 2 => array ( 'navigationMenuId' => '6', 'subNavigationItems' => array ( ), ), 3 => array ( 'navigationMenuId' => '7', 'subNavigationItems' => array ( ), ), ), 3 => array ( 'navigationMenuId' => '8', 'subNavigationItems' => array ( ), ), 4 => array ( 0 => array ( 'navigationMenuId' => '10', 'subNavigationItems' => array ( ), ), 1 => array ( 'navigationMenuId' => '11', 'subNavigationItems' => array ( ), ), 2 => array ( 'navigationMenuId' => '12', 'subNavigationItems' => array ( ), ), ), 5 => array ( 'navigationMenuId' => '13', 'subNavigationItems' => array ( ), ), )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 0 => array ( 'navigationMenuId' => '1', 'subNavigationItems' => array ( ), ), 1 => array ( 'navigationMenuId' => '2', 'subNavigationItems' => array ( ), ), 2 => array ( 0 => array ( 'navigationMenuId' => '4', 'subNavigationItems' => array ( ), ), 1 => array ( 'navigationMenuId' => '5', 'subNavigationItems' => array ( ), ), 2 => array ( 'navigationMenuId' => '6', 'subNavigationItems' => array ( ), ), 3 => array ( 'navigationMenuId' => '7', 'subNavigationItems' => array ( ), ), ), 3 => array ( 'navigationMenuId' => '8', 'subNavigationItems' => array ( ), ), 4 => array ( 0 => array ( 'navigationMenuId' => '10', 'subNavigationItems' => array ( ), ), 1 => array ( 'navigationMenuId' => '11', 'subNavigationItems' => array ( ), ), 2 => array ( 'navigationMenuId' => '12', 'subNavigationItems' => array ( ), ), ), 5 => array ( 'navigationMenuId' => '13', 'subNavigationItems' => array ( ), ), )
preferences:
200.5 ms | 405 KiB | 184 Q