// بهبود جستجوی وردپرس برای شامل کردن محتوا
function mweb_search_by_title_and_content( $search, $wp_query ) {
    global $wpdb;
    if ( empty( $search ) || !isset( $wp_query->query_vars['s'] ) || !$wp_query->is_main_query() || !$wp_query->is_search() ) {
        return $search;
    }

    $search_term = $wp_query->query_vars['s'];
    $search = "";

    // جستجو در عنوان و محتوا
    $search .= $wpdb->prepare( " AND ({$wpdb->posts}.post_title LIKE %s OR {$wpdb->posts}.post_content LIKE %s)", '%' . $wpdb->esc_like($search_term) . '%', '%' . $wpdb->esc_like($search_term) . '%' );

    return $search;
}
add_filter( 'posts_search', 'mweb_search_by_title_and_content', 10, 2 );

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