".

/**
 * Normalize search query (remove product_cat=0) and optionally force product post type.
 */
add_action('pre_get_posts', 'd10_fix_search_product_cat_zero', 5);
function d10_fix_search_product_cat_zero( $q ){
    if ( is_admin()  ! ($q instanceof WP_Query)  ! $q->is_main_query() || ! $q->is_search() ) {
        return;
    }

    // If the form sent product_cat=0, remove it (and any matching 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);
        }
    }

    // Optional: keep searches on products only
    $q->set('post_type', array('product'));
}

/** Helper: determine if this is the main front-end product search query */
function d10_is_product_search( $q ){
    return ( ! is_admin()
        && ($q instanceof WP_Query)
        && $q->is_main_query()
        && $q->is_search() );
}

/**
 * Join tag tables so search can match product_tag name/slug
 */
add_filter('posts_join', 'd10_join_tags_for_search', 10, 2);
function d10_join_tags_for_search( $join, $q ){
    if ( ! d10_is_product_search($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;
}

/**
 * Extend WHERE to include product_tag name/slug LIKE the search term
 */
add_filter('posts_where', 'd10_where_include_product_tags', 10, 2);
function d10_where_include_product_tags( $where, $q ){
    if ( ! d10_is_product_search($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;
}

/** Avoid duplicate rows when multiple tags match */
add_filter('posts_distinct', 'd10_search_distinct', 10, 2);
function d10_search_distinct( $distinct, $q ){
    if ( ! d10_is_product_search($q) ) return $distinct;
    return 'DISTINCT';
}<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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