How To Modify WordPress Default Search Functionality

WordPress Default Search Functionality only searches all titles and content type data.

In this article learn how to search particular post type data.

Step-1:

=> Firstly We can add a search form using get_search_form() function.

Step-2:

=> We can use the pre_get_posts() action that lets you filter the post type data.

=> pre_get_posts() function that makes possible to modify existing WP_Query, and add new custom WP_Query in child theme functions.php file.

For example, the Below code searches only for Woocommece products data.

add_filter( 'pre_get_posts', 'custom_pre_get_posts' );
function custom_pre_get_posts( $query ) {
    if ( is_search() ) {
        $query->set('post_type', 'product');
    }
    return $query;
}

OutPut:

 

How to search multiple post-type data.

For example, the below code searches for multiple post type data:

add_filter('pre_get_posts', 'search_filter_multiple_post_type');
function search_filter_multiple_post_type( $query ) {
    if ( is_search() ){
        $query->set( 'post_type', array(
            'book', 
            'product'
        ) );
    }
  return $query;
}

OutPut:

 

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