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<?php $arr = [ [ "id" => "127", "title" => "Apple", "deleted" => "0", "parent" => NULL, "usp_id" => "445", "user_id" => NULL, ], [ "id" => "159", "title" => "Renault Duster", "deleted" => "0", "parent" => NULL, "usp_id" => "495", "user_id" => NULL, ], [ "id" => "7", "title" => "Services", "deleted" => "0", "parent" => "127", "usp_id" => "79", "user_id" => "275", ], ]; foreach ($arr as $key0 => $record) { if (null !== $record['parent']) { foreach ($arr as $key1 => $parent) { if ($parent['id'] === $record['parent']) { $arr[$key1]['children'][] = $record; // push child into parent['sub'] unset($arr[$key0]); // delete child } } } } print_r($arr);
Output for 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 ( [id] => 127 [title] => Apple [deleted] => 0 [parent] => [usp_id] => 445 [user_id] => [children] => Array ( [0] => Array ( [id] => 7 [title] => Services [deleted] => 0 [parent] => 127 [usp_id] => 79 [user_id] => 275 ) ) ) [1] => Array ( [id] => 159 [title] => Renault Duster [deleted] => 0 [parent] => [usp_id] => 495 [user_id] => ) )
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 ( [id] => 127 [title] => Apple [deleted] => 0 [parent] => [usp_id] => 445 [user_id] => [children] => Array ( [0] => Array ( [id] => 7 [title] => Services [deleted] => 0 [parent] => 127 [usp_id] => 79 [user_id] => 275 ) ) ) [1] => Array ( [id] => 159 [title] => Renault Duster [deleted] => 0 [parent] => [usp_id] => 495 [user_id] => ) )

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