wp custom autosuggest history if ( is_search() ) { code example

Example 1: wp custom autosuggest history if ( is_search() ) {

jQuery(document).ready(function ($){
    var acs_action = "casino_autocompletesearch";
    $("#s").autocomplete({
        source: function(req, response){
            $.getJSON(MyAcSearch.url+"?callback=?&action="+acs_action, req, response);
        },
        select: function(event, ui) {
            window.location.href=ui.item.link;
        },
        minLength: 3,
    });
});

Example 2: wp custom autosuggest history if ( is_search() ) {

add_action( 'init', 'casino_autocomplete_init' );
function casino_autocomplete_init() {
    // Register our jQuery UI style and our custom javascript file
    wp_enqueue_style('mycasino-jquery-ui','http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css');
    wp_enqueue_script( 'my_acsearch', get_template_directory_uri() . '/js/myacsearch.js', array('jquery','jquery-ui-autocomplete'),null,true);

wp_localize_script( 'my_acsearch', 'MyAcSearch', array('url' => admin_url( 'admin-ajax.php' )));
    // Function to fire whenever search form is displayed
    add_action( 'get_search_form', 'mycasino_autocomplete_search_form' );

    // Functions to deal with the AJAX request - one for logged in users, the other for non-logged in users.
    add_action( 'wp_ajax_casino_autocompletesearch', 'mycasino_autocomplete_suggestions' );
    add_action( 'wp_ajax_nopriv_casino_autocompletesearch', 'mycasino_autocomplete_suggestions' );
}

function mycasino_autocomplete_search_form(){
    wp_enqueue_script( 'my_acsearch' );
    wp_enqueue_style( 'mycasino-jquery-ui' );
}

function mycasino_autocomplete_suggestions(){

   // custom post type
  function filter_search($query) {
  if ($query->is_search) {
  $query->set('post_type', array('custom_post', 'events'));
  };
  return $query;
  };
  add_filter('pre_get_posts', 'filter_search');


    // Query for suggestions
    $posts = get_posts( array(
        's' =>$_REQUEST['term'],
    ) );

    // Initialise suggestions array
    $suggestions=array();

    global $post;
    foreach ($posts as $post): setup_postdata($post);
        // Initialise suggestion array
        $suggestion = array();
        $suggestion['label'] = esc_html($post->post_title);
        $suggestion['link'] = get_permalink();

        // Add suggestion to suggestions array
        $suggestions[]= $suggestion;
    endforeach;

    // JSON encode and echo
    $response = $_GET["callback"] . "(" . json_encode($suggestions) . ")";
    echo $response;

    // Don't forget to exit!
    exit;
}