php 将搜索框添加到菜单

Posted 2021-05-04

add_filter( 'wp_nav_menu_items', __NAMESPACE__ . '\add_navigation_items', 10, 2 );
/**
 * Add extra menu item for search
 *
 * @since 1.0.0
 *
 * @param $menu
 * @param $args
 *
 * @return string
 */
function add_navigation_items( $menu,  $args ){

	// make sure we are in the primary menu
	if ( 'primary' == $args->theme_location ) {

		ob_start();
		get_search_form();
		$search = ob_get_clean();
		$menu  .= '<li class="mobile-nav-search">' . $search . '</li>';

		return $menu;
	}
}