- print_r: documentation ( source)
<?php
$tree = array
(
array('id' => 1),
array('id' => 2),
array('id' => 3)
);
foreach ($tree as $node)
{
$node['read'] = $node['id'];
}
//unset( $node );
foreach ($tree as $key => $node)
{
$tree[$key]['write'] = $node['id'];
}
print_r($tree);