Array display problems

[zmk]

hello,

I have a problem go on a two dimensional array. The code I wrote is as follows:

Code: Select all

for ($row = 2; $row < sizeof($data); $row++)
    {
        for($col = 0; $col < sizeof($data[$row]); $col++)
        {
            echo $data[$row][$col];
        }
        echo "<br>";
    }

And appear blanks, but if I change to:

Code: Select all

echo $data;

This Array writes the number of times the existing $ data. Someone can help me to show me the information in this array?

[egami]

before you do any of that..
make sure that the array looks like you want it to look...



echo '<pre>'; print_r($data); echo '</pre>';

[jinijames]

$list = array();
$cat = array();
$query = mysqli_query($dbc,"SELECT id, parent_id, category FROM categories ORDER BY parent_id, category LIKE category ASC");
while($row = mysqli_fetch_assoc($query)){
$list[$row['id']] = array_merge($row, array('children' => array()));
}
mysqli_free_result($query);

foreach($list as $nodeId => &$node) {
if(!$node['parent_id'] || !array_key_exists($node['parent_id'], $list)){
$cat[] = &$node;
} else {
$list[$node['parent_id']]['children'][] = &$node;
}
}
unset($node);
unset($list);


Thanks,

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