".

/**
 * Treat only the "final" front-end search page load, not AJAX suggestions.
 * Also, only act when user didn't choose a category (no product_cat or product_cat=0).
 */
function d10_is_final_search_request( $q ){
    if ( is_admin() ) return false;
    if ( function_exists('wp_doing_ajax') && wp_doing_ajax() ) return false;             // ignore AJAX suggestions
    if ( defined('REST_REQUEST') && REST_REQUEST ) return false;                         // ignore REST endpoints
    if ( ! ($q instanceof WP_Query)  ! $q->is_main_query()  ! $q->is_search() ) return false;

    // Inspect raw GET to decide whether user selected a category
    $pc = isset($_GET['product_cat']) ? $_GET['product_cat'] : null;
    $no_selected_category = ( $pc === null  $pc === ''  $pc === '0' || $pc === 0 );

    return $no_selected_category;
}

/**
 * Normalize query (remove product_cat=0) and force products for final search page only.
 */
add_action('pre_get_posts', function( $q ){
    if ( ! d10_is_final_search_request($q) ) return;

    // If the form sent product_cat=0, drop it and any bogus tax_query clause
    $pc = $q->get('product_cat');
    if ( $pc === '0' || $pc === 0 ) {
        $q->set('product_cat', '' );

        $tax_query = (array) $q->get('tax_query');
        if ( $tax_query ) {
            $filtered = array();
            foreach ( $tax_query as $clause ) {
                $is_prod_cat = is_array($clause) && isset($clause['taxonomy']) && $clause['taxonomy'] === 'product_cat';
                $is_zero = is_array($clause) && isset($clause['terms'])
                          && ( $clause['terms'] === 0 || $clause['terms'] === '0'
                                $clause['terms'] === array(0)  $clause['terms'] === array('0') );
                if ( $is_prod_cat && $is_zero ) continue; // drop bogus clause
                $filtered[] = $clause;
            }
            $q->set('tax_query', $filtered);
        }
    }

    // Keep searches on products only (so title/content search stays in products)
    $q->set('post_type', array('product'));
}, 5);

/**
 * Only on final search page: join tag tables so search matches product_tag name/slug.
 */
add_filter('posts_join', function( $join, $q ){
    if ( ! d10_is_final_search_request($q) ) return $join;
    global $wpdb;

    if ( strpos($join, $wpdb->term_relationships) === false ) {
        $join .= " LEFT JOIN {$wpdb->term_relationships} tr ON (tr.object_id = {$wpdb->posts}.ID)";
    }
    if ( strpos($join, $wpdb->term_taxonomy) === false ) {
        $join .= " LEFT JOIN {$wpdb->term_taxonomy} tt ON (tt.term_taxonomy_id = tr.term_taxonomy_id AND tt.taxonomy='product_tag')";
    }
    if ( strpos($join, $wpdb->terms) === false ) {
        $join .= " LEFT JOIN {$wpdb->terms} t ON (t.term_id = tt.term_id)";
    }
    return $join;
}, 10, 2);

/**
 * Only on final search page: extend WHERE to include product_tag name/slug LIKE 's'.
 */
add_filter('posts_where', function( $where, $q ){
    if ( ! d10_is_final_search_request($q) ) return $where;
    global $wpdb;
    $term = $q->get('s');
    if ( ! $term ) return $where;

    $like = '%' . $wpdb->esc_like($term) . '%';
    $where .= $wpdb->prepare(
        " OR (tt.taxonomy='product_tag' AND (t.name LIKE %s OR t.slug LIKE %s))",
        $like, $like
    );
    return $where;
}, 10, 2);

/** Avoid duplicates when multiple tags match (final search page only). */
add_filter('posts_distinct', function( $distinct, $q ){
    if ( ! d10_is_final_search_request($q) ) return $distinct;
    return 'DISTINCT';
}, 10, 2);<br />
<b>Notice</b>:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. بارگذاری ترجمه برای دامنه <code>woodmart</code> زودتر از حد مجاز فراخوانی شد. این معمولاً نشان‌دهندهٔ اجرای کدی در افزونه یا پوسته است که خیلی زود اجرا شده است. ترجمه‌ها باید در عملیات <code>init</code> یا بعد از آن بارگذاری شوند. Please see <a href="https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/">Debugging in WordPress</a> for more information. (این پیام در نگارش 6.7.0 افزوده شده است.) in <b>/home/dayereco/public_html/wp-includes/functions.php</b> on line <b>6121</b><br />
<br />
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<br />
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