透過下方代碼，由 CDN 載入 Bootstrap 4
/**
* WordPress include bootstrap 4 CDN
*
* @author v123.tw
* @link https://v123.tw/wordpress-include-bootstrap-4-cdn/
* @link https://getbootstrap.com/docs/4.4/getting-started/introduction/
*
* @return void
*/
function v123_include_bootstrap_cdn()
{
// all styles
wp_enqueue_style('bootstrap', "https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css", array(), "4.4.1");
wp_enqueue_style('bootstrap-custom-style', get_stylesheet_directory_uri() . '/bootstrap-custom.css', array('bootstrap'), "1.0.1");
// all scripts
wp_enqueue_script('bootstrap', "https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js", array('jquery'), "4.4.1", true);
wp_enqueue_script('bootstrap-custom-script', get_stylesheet_directory_uri() . '/bootstrap-custom.js', array('jquery', 'bootstrap'), "1.0.1", true);
}
add_action('wp_enqueue_scripts', 'v123_include_bootstrap_cdn');透過下方代碼，由主題載入 Bootstrap 4
/**
* WordPress include bootstrap 4
*
* @author v123.tw
* @link https://v123.tw/wordpress-include-bootstrap-4-cdn/
* @link https://getbootstrap.com/docs/4.4/getting-started/introduction/
*
* @return void
*/
function v123_include_bootstrap()
{
// all styles
wp_enqueue_style('bootstrap', get_stylesheet_directory_uri() . "/assets/css/bootstrap.min.css", array(), "4.4.1");
wp_enqueue_style('bootstrap-custom-style', get_stylesheet_directory_uri() . '/bootstrap-custom.css', array('bootstrap'), "1.0.1");
// all scripts
wp_enqueue_script('bootstrap', get_stylesheet_directory_uri() . "/assets/js/bootstrap.bundle.min.js", array('jquery'), "4.4.1", true);
wp_enqueue_script('bootstrap-custom-script', get_stylesheet_directory_uri() . '/bootstrap-custom.js', array('jquery', 'bootstrap'), "1.0.1", true);
}
add_action('wp_enqueue_scripts', 'v123_include_bootstrap');