Online PHP editor | rfc for pCQNU

@ 2014-05-26T11:42:55Z

<?php



    function getParentAndChild($data, $id) {

        $tree = array(
            'parents'  => array(),
            'children' => array(),
            'full'     => array()
        );

        $current = $data[$id];
        $parent_id = $current === NULL ? 'NULL' : $current;

        $child_ids = array($id);

        $tree['parents'][] = $parent_id;

        while ( isset($data[$parent_id]) ) {

            $current = $data[$parent_id];
            $parent_id = $current === NULL ? 'NULL' : $current;
            if ($parent_id > 0) $tree['parents'][] = $parent_id;

        }

        while ( count($child_ids) > 0 ) {

            foreach($child_ids as $child_id) {

                $children = array_keys($data, $child_id);

                foreach ($children as $child) $tree['children'][] = $child;

                $child_ids = $children;

            }
        }

        $tree['full'] = array_merge(array_reverse($tree['parents']), $tree['children']);

        return $tree['full'];

    }


$treeByCat = array(

	1 => 0,
    2 => 0,
    3 => 1,
    7 => 1,
    4 => 3,
    5 => 4,
    6 => 5,
    8 => 5

);

print_r( getParentAndChild($treeByCat, 4) );

//print_r( getTree($treeByParent, $treeByCat, 4, 0) );

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [0] => 1 [1] => 3 [2] => 5 [3] => 6 [4] => 8 )

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