How can a PHP script be modified to add a subcategory under an existing subcategory in a dynamic menu?

To add a subcategory under an existing subcategory in a dynamic menu using PHP, you can modify the code to include a nested array structure for the menu items. This allows for easy addition of subcategories under existing subcategories. Simply add the new subcategory as a nested array within the existing subcategory array. 

$menu = [
    'Category 1' => [
        'Subcategory 1.1',
        'Subcategory 1.2',
        'Subcategory 1.3' => [
            'Subcategory 1.3.1', // New subcategory added here
        ],
    ],
    'Category 2' => [
        'Subcategory 2.1',
        'Subcategory 2.2',
    ],
];

// Loop through the menu array to display the menu items
foreach ($menu as $category => $subcategories) {
    echo $category . '<br>';
    foreach ($subcategories as $subcategory) {
        if (is_array($subcategory)) {
            foreach ($subcategory as $subsubcategory) {
                echo '-- ' . $subsubcategory . '<br>';
            }
        } else {
            echo '- ' . $subcategory . '<br>';
        }
    }
}

Keywords

PHP script modification subcategory dynamic menu nested categories

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