<?php
$list = array(
0 => array (
'id' => 1,
'category' => 'cat01',
'children' => array(
1 => array('name'=>'','id'=>1),
2 => array('name'=>'','id'=>2),
),
),
1 => array(
'id' => 2,
'category' => 'cat02',
'children' => array(
1 => array('name'=>'','id'=>1),
2 => array('name'=>'','id'=>2),
),
),
);
?>
<?php foreach( $list as $key => $value ): ?>
<?php endforeach; ?>