Fetch values from an array using nested foreach loop

Question

I have a long array from which I wish to fetch all the values and store it in a separate variable, and store each value in database.

The array that I have is:

Answer 1

If you now how deep your array is you can just simply add other foreach-loops within your main loop.

if (!empty($array)) 
{
    foreach ($array['categories'] as $category) 
        {
            echo $category['category_id'];
            echo "<br>";

            if(isset($category['categories'])){
            foreach($category['categories'] as $category2)
                {
                echo $category2['category_id'];
                echo "<br>";

                     if (isset($category2['categories'])){
                     foreach($category2['categories'] as $category3)
                       {
                         echo $category3['category_id'];
                         echo "<br>";

                         ...

                       } }

                }}
        }
}