Online PHP editor | output for s21OP

@ 2013-06-25T17:20:11Z

<?php
$arr = array();
$arr[] = array('p' => 3, 'id' => 4);
$arr[] = array('p' => 3, 'id' => 5);
$arr[] = array('p' => 3, 'id' => 6);
$arr[] = array('p' => 2, 'id' => 3);
$arr[] = array('p' => 1, 'id' => 2);
$arr[] = array('p' => 1, 'id' => 7);
$arr[] = array('p' => 0, 'id' => 1);

$mas = array();
foreach($arr as $ind => $itm)
{
    if(isset($mas[$itm['id']]))
    {
		if($itm['p'] != 0)
        {
			$mas[$itm['id']]['elements'] = $mas[$itm['id']];

        }else{
            $mas[$itm['p']][$itm['id']]['elements'] = $mas[$itm['id']];
        	unset($mas[$itm['id']]);

        }

    }

	$mas[$itm['p']][$itm['id']]['name'] = 'aaa'.$ind;
}    

print_r($mas);

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Array ( [3] => Array ( [4] => Array ( [name] => aaa0 ) [5] => Array ( [name] => aaa1 ) [6] => Array ( [name] => aaa2 ) [elements] => Array ( [4] => Array ( [name] => aaa0 ) [5] => Array ( [name] => aaa1 ) [6] => Array ( [name] => aaa2 ) ) ) [2] => Array ( [3] => Array ( [name] => aaa3 ) [elements] => Array ( [3] => Array ( [name] => aaa3 ) ) ) [0] => Array ( [1] => Array ( [elements] => Array ( [2] => Array ( [name] => aaa4 ) [7] => Array ( [name] => aaa5 ) ) [name] => aaa6 ) ) )

preferences:dark modelive preview