WordPress Version: 5.9
/**
* Adds search form.
*
* @since 3.3.0
*
* @param WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
*/
function wp_admin_bar_search_menu($wp_admin_bar)
{
if (is_admin()) {
return;
}
$form = '<form action="' . esc_url(home_url('/')) . '" method="get" id="adminbarsearch">';
$form .= '<input class="adminbar-input" name="s" id="adminbar-search" type="text" value="" maxlength="150" />';
$form .= '<label for="adminbar-search" class="screen-reader-text">' . __('Search') . '</label>';
$form .= '<input type="submit" class="adminbar-button" value="' . __('Search') . '" />';
$form .= '</form>';
$wp_admin_bar->add_node(array('parent' => 'top-secondary', 'id' => 'search', 'title' => $form, 'meta' => array('class' => 'admin-bar-search', 'tabindex' => -1)));
}