Sort WP Admin Settings Menu Alphabetically

alpha-settings.php

// Function to sort settings menu items alphabetically
function ni_sort_settings_menu_items_alphabetically() {
    global $submenu;

    // Check if the settings menu exists
    if (isset($submenu['options-general.php']) && is_array($submenu['options-general.php'])) {
        // Sort the items under the settings menu alphabetically
        usort($submenu['options-general.php'], function ($a, $b) {
            // Ensure both array elements have the 0-index set and are strings
            if (isset($a[0]) && isset($b[0]) && is_string($a[0]) && is_string($b[0])) {
                return strcasecmp($a[0], $b[0]);
            }
            return 0;
        });
    }
}
add_action('admin_menu', 'ni_sort_settings_menu_items_alphabetically', 999);