PHP WP_Query::is_tax方法代码示例

/**
 * Display all existing portfolio posts on the page (without pagination)
 * Because in this theme we use the https://mixitup.kunkalabs.com/ plugin to display portfolio posts
 * If your theme displays portfolio posts in a different way, feel free to change or remove this function
 * @internal
 * @param WP_Query $query
 */
function _fw_ext_portfolio_theme_action_set_posts_per_page($query)
{
    if (!$query->is_main_query()) {
        return;
    }
    /**
     * @var FW_Extension_Portfolio $portfolio
     */
    $portfolio = fw()->extensions->get('portfolio');
    $is_portfolio_taxonomy = $query->is_tax($portfolio->get_taxonomy_name());
    $is_portfolio_archive = $query->is_archive() && isset($query->query['post_type']) && $query->query['post_type'] == $portfolio->get_post_type_name();
    if ($is_portfolio_taxonomy || $is_portfolio_archive) {
        $query->set('posts_per_page', -1);
    }
}

/**
 * Check if the query is requesting event post type
 *
 * @param WP_Query $query
 * @return boolean true if events are queried, false otherwises
 */
function is_pronamic_events_query(WP_Query $query)
{
    $is_pronamic_events = false;
    if ($query->is_archive() && !$query->is_tax('pronamic_event_status')) {
        // Check 'post_type' var
        // Note: post_type could also be an array
        $post_type = $query->get('post_type');
        if (!empty($post_type) && !is_array($post_type)) {
            $is_pronamic_events = post_type_supports($post_type, 'pronamic_event');
        }
        if (!$is_pronamic_events) {
            // Check queried object
            $object = $query->get_queried_object();
            $is_pronamic_events = isset($object, $object->name) && post_type_supports($object->name, 'pronamic_event');
        }
    }
    return $is_pronamic_events;
}

 /**
  * Get the fork's parent post, set up a query, and load correct template.
  *
  * Duplicates the functionality of /wp-includes/template-loader.php and includes
  * a lot of copypasta, but that's only to ensure that it follows the same logic.
  *
  */
 function choose_template()
 {
     $p = get_queried_object_id();
     if (get_post_type($p) !== 'fork') {
         return;
     }
     $pp = get_post($p)->post_parent;
     $parent = get_post($pp);
     if ($parent->post_type == 'page') {
         $query = array('page_id' => $pp);
     } else {
         $query = array('p' => $pp);
     }
     $t = new WP_Query($query);
     $template = false;
     if ($t->is_404() && ($template = get_404_template())) {
     } elseif ($t->is_search() && ($template = get_search_template())) {
     } elseif ($t->is_tax() && ($template = get_taxonomy_template())) {
     } elseif ($t->is_front_page() && ($template = get_front_page_template())) {
     } elseif ($t->is_home() && ($template = get_home_template())) {
     } elseif ($t->is_attachment() && ($template = get_attachment_template())) {
         remove_filter('the_content', 'prepend_attachment');
     } elseif ($t->is_single() && ($template = get_single_template())) {
     } elseif ($t->is_page && ($template = get_page_template())) {
     } elseif ($t->is_category() && ($template = get_category_template())) {
     } elseif ($t->is_tag() && ($template = get_tag_template())) {
     } elseif ($t->is_author() && ($template = get_author_template())) {
     } elseif ($t->is_date() && ($template = get_date_template())) {
     } elseif ($t->is_archive() && ($template = get_archive_template())) {
     } elseif ($t->is_comments_popup() && ($template = get_comments_popup_template())) {
     } elseif ($t->is_paged() && ($template = get_paged_template())) {
     } else {
         $template = get_index_template();
     }
     if ($template = apply_filters('template_include', $template)) {
         include $template;
     }
     return;
 }

 /**
  * Hook into the_posts to do the main product query if needed - relevanssi compatibility
  *
  * @access public
  * @param array $posts
  * @param WP_Query|bool $query (default: false)
  * @return array
  */
 public function the_posts($posts, $query = false)
 {
     // Abort if there's no query
     if (!$query) {
         return $posts;
     }
     // Abort if we're not filtering posts
     if (empty($this->post__in)) {
         return $posts;
     }
     // Abort if this query has already been done
     if (!empty($query->wc_query)) {
         return $posts;
     }
     // Abort if this isn't a search query
     if (empty($query->query_vars["s"])) {
         return $posts;
     }
     // Abort if we're not on a post type archive/product taxonomy
     if (!$query->is_post_type_archive('product') && !$query->is_tax(get_object_taxonomies('product'))) {
         return $posts;
     }
     $filtered_posts = array();
     $queried_post_ids = array();
     foreach ($posts as $post) {
         if (in_array($post->ID, $this->post__in)) {
             $filtered_posts[] = $post;
             $queried_post_ids[] = $post->ID;
         }
     }
     $query->posts = $filtered_posts;
     $query->post_count = count($filtered_posts);
     // Ensure filters are set
     $this->unfiltered_product_ids = $queried_post_ids;
     $this->filtered_product_ids = $queried_post_ids;
     if (sizeof($this->layered_nav_post__in) > 0) {
         $this->layered_nav_product_ids = array_intersect($this->unfiltered_product_ids, $this->layered_nav_post__in);
     } else {
         $this->layered_nav_product_ids = $this->unfiltered_product_ids;
     }
     return $filtered_posts;
 }

 /**
  * @param string $where
  * @param WP_Query $query
  *
  * @return string
  */
 function posts_where_filter($where, $query)
 {
     global $pagenow, $wp_taxonomies, $sitepress, $sitepress_settings;
     //exceptions
     $post_type = false;
     if (isset($query->queried_object) && isset($query->queried_object->ID) && $query->queried_object->ID == $sitepress_settings['urls']['root_page']) {
         return $where;
     }
     // determine post type
     $debug_backtrace = $this->get_backtrace(0, true, false);
     //Limit to a maximum level?
     foreach ($debug_backtrace as $o) {
         if ($o['function'] == 'apply_filters_ref_array' && $o['args'][0] == 'posts_where') {
             $post_type = $o['args'][1][1]->query_vars['post_type'];
             break;
         }
     }
     // case of taxonomy archive
     if (empty($post_type) && $query->is_tax()) {
         $tax = $query->get('taxonomy');
         $post_type = $wp_taxonomies[$tax]->object_type;
         foreach ($post_type as $k => $v) {
             if (!$this->is_translated_post_type($v)) {
                 unset($post_type[$k]);
             }
         }
         if (empty($post_type)) {
             return $where;
         }
         // don't filter
     }
     if (!$post_type) {
         $post_type = 'post';
     }
     if (is_array($post_type) && !empty($post_type)) {
         $none_translated = true;
         foreach ($post_type as $ptype) {
             if ($this->is_translated_post_type($ptype)) {
                 $none_translated = false;
             }
         }
         if ($none_translated) {
             return $where;
         }
     } else {
         if (!$this->is_translated_post_type($post_type) && 'any' != $post_type) {
             return $where;
         }
     }
     $attachment_is_translatable = $sitepress->is_translated_post_type('attachment');
     if (($pagenow == 'upload.php' || $pagenow == 'media-upload.php' || $query->is_attachment()) && !$attachment_is_translatable) {
         return $where;
     }
     $current_language = $sitepress->get_current_language();
     $requested_id = false;
     // Fix for when $sitepress->get_current_language() does not return the correct value (e.g. when request is made for an attachment, an iframe or an ajax call)
     if (isset($_REQUEST['attachment_id']) && $_REQUEST['attachment_id']) {
         $requested_id = $_REQUEST['attachment_id'];
     }
     if (isset($_REQUEST['post_id']) && $_REQUEST['post_id']) {
         $requested_id = $_REQUEST['post_id'];
     }
     if ($requested_id) {
         $post_type = get_post_type($requested_id);
         $current_language = $sitepress->get_language_for_element($requested_id, 'post_' . $post_type);
         if (!$current_language) {
             $current_language = $sitepress->get_current_language();
         }
     }
     if ('all' != $this->this_lang) {
         if ('any' == $post_type) {
             $condition = " AND (t.language_code='" . esc_sql($current_language) . "' OR t.language_code IS NULL )";
         } else {
             $condition = " AND t.language_code='" . esc_sql($current_language) . "'";
         }
     } else {
         $condition = '';
     }
     $where .= $condition;
     return $where;
 }

 /**
  * @param WP_Query $query
  * @return String[]
  */
 private function tax_post_types_from_query($query)
 {
     if ($query->is_tax() && $query->is_main_query()) {
         $taxonomy_post_types = $this->get_tax_query_posttype($query);
     } else {
         $taxonomy_post_types = array_keys($this->sitepress->get_translatable_documents(false));
     }
     return $taxonomy_post_types;
 }

 /**
  * @param WP_Query $wp_query
  *
  * @return array()
  */
 private function extract_tax_archive_data($wp_query)
 {
     $taxonomy = false;
     $term_id = false;
     if ($wp_query->is_category()) {
         $taxonomy = 'category';
         $term_id = $wp_query->get('cat');
     } elseif ($wp_query->is_tag()) {
         $taxonomy = 'post_tag';
         $term_id = $wp_query->get('tag_id');
     } elseif ($wp_query->is_tax()) {
         $taxonomy = $wp_query->get('taxonomy');
         $term_id = $wp_query->get_queried_object_id();
     }
     return array($taxonomy, $term_id);
 }

 /**
  * Filter post type archive view queries.
  *
  * - Projects and entities are sorted by title.
  * - People are sorted by last name.
  * - Publications are left to a default sort by date.
  * - All posts_per_page limits are bumped to 2000.
  *
  * @param WP_Query $query
  */
 public function filter_query($query)
 {
     if (!$query->is_main_query() || is_admin()) {
         return;
     }
     $post_types = $this->get_object_type_slugs();
     // Avoid paginating without intent by maxing out at 2000 per archive.
     if ($query->is_post_type_archive($post_types)) {
         $query->set('posts_per_page', 2000);
     }
     // Avoid pagination without intent by maxing out at 2000 per taxonomy archive.
     if ($query->is_tax($this->entity_type_taxonomy) || $query->is_tax($this->topics_taxonomy)) {
         $query->set('posts_per_page', 2000);
     }
     // Entities and projects are sorted by their titles in archive views.
     if ($query->is_tax($this->topics_taxonomy) || $query->is_tax($this->entity_type_taxonomy) || $query->is_post_type_archive($this->entity_content_type) || $query->is_post_type_archive($this->project_content_type)) {
         $query->set('orderby', 'title');
         $query->set('order', 'ASC');
     }
     // People are sorted by their last names in archive views.
     if ($query->is_post_type_archive($post_types) && $query->is_post_type_archive($this->people_content_type)) {
         $query->set('meta_key', '_wsuwp_uc_person_last_name');
         $query->set('orderby', 'meta_value');
         $query->set('order', 'ASC');
     }
 }

 /**
  * Alternates the 'posts_per_page' query_var on taxonomy archive pages
  *
  * @todo Correct taxonomy value ?
  *
  * @param WP_Query $query
  */
 public function alter_taxonomy_archive($query)
 {
     if (is_admin() || !$query->is_main_query()) {
         return;
     }
     if (!($query->is_tax() || $query->is_category() || $query->is_tag())) {
         return;
     }
     if (is_tax()) {
         // Get query var
         $taxonomy = $query->tax_query->queries[0]['taxonomy'];
         $tax_obj = get_taxonomy($taxonomy);
         $query_var = $tax_obj->query_var;
         if ($query->get($taxonomy)) {
             $term = get_term_by('slug', $query->get($query_var), $taxonomy);
         }
     } elseif (is_category()) {
         $taxonomy = 'category';
         if ($query->get('cat')) {
             $term = get_term($query->get('cat'), 'category');
         } elseif ($query->get('category_name')) {
             $term = get_term_by('slug', $query->get('category_name'), 'category');
         }
     } elseif (is_tag()) {
         $taxonomy = 'post_tag';
         if ($query->get('tag_id')) {
             $term = get_term($query->get('tag_id'), 'post_tag');
         } else {
             $term = get_term_by('slug', $query->get('tag'), 'post_tag');
         }
     }
     if (taxonomy_supports($taxonomy, $this->global_feature)) {
         $posts_per_page = (int) g1_get_theme_option('taxonomy_' . $taxonomy, 'posts_per_page');
         if (-1 === $posts_per_page || $posts_per_page > 0) {
             $query->set('posts_per_page', $posts_per_page);
         }
     }
     if (taxonomy_supports($taxonomy, $this->individual_feature)) {
         if ($term) {
             $term_meta = (array) g1_get_term_meta($term->term_id, '_g1');
             $posts_per_page = isset($term_meta['posts_per_page']) ? (int) $term_meta['posts_per_page'] : 0;
             if (-1 === $posts_per_page || $posts_per_page > 0) {
                 $query->set('posts_per_page', $posts_per_page);
             }
         }
     }
 }

 /**
  * Parse which page we are on using URL
  */
 public function getPageObject($pageUrl)
 {
     global $wp_rewrite;
     // If post type, we are using url_to_postid function
     $postId = url_to_postid($pageUrl);
     if ($postId) {
         $postType = get_post_type_object(get_post($postId)->post_type);
         return array('value' => $postId, 'title' => get_the_title($postId), 'type' => get_post($postId)->post_type, 'label' => is_array($postType->labels) ? $postType->labels['name'] : $postType->labels->name);
     }
     $path = str_replace(get_site_url(), '', $pageUrl);
     $path = trim($path, '/');
     // If path is empty, then it is front page
     if (empty($path)) {
         return array('value' => get_option('page_on_front') ? get_option('page_on_front') : '', 'title' => '', 'type' => 'front_page', 'label' => __('Home Page'));
     }
     // Otherwise, we will try to match through rewrite or by query
     $rewrite = $wp_rewrite->wp_rewrite_rules();
     if (is_array($rewrite) && count($rewrite) > 0) {
         foreach ($rewrite as $match => $query) {
             if (preg_match("#^{$match}#", $path, $matches) || preg_match("#^{$match}#", urldecode($path), $matches)) {
                 $query = preg_replace("!^.*\\?!", '', $query);
                 $query = addslashes(WP_MatchesMapRegex::apply($query, $matches));
                 parse_str($query, $query_vars);
                 break;
             }
         }
     } else {
         $query = preg_replace("!^.*\\?!", '', $path);
         parse_str($query, $query_vars);
     }
     // Workaround for fail pagename rewrite match
     if (isset($query_vars['pagename']) && strpos($query_vars['pagename'], '?') !== false) {
         $query = preg_replace("!^.*\\?!", '', $query_vars['pagename']);
         parse_str($query, $query_vars);
     }
     $querypost = new WP_Query($query_vars);
     if ($querypost->is_date()) {
         if ($querypost->query_vars['m']) {
             $date = $querypost->query_vars['m'];
         } else {
             if ($querypost->is_day()) {
                 $date = $querypost->query_vars['year'] . zeroise($querypost->query_vars['monthnum'], 2) . zeroise($querypost->query_vars['day'], 2);
             } else {
                 if ($querypost->is_month()) {
                     $date = $querypost->query_vars['year'] . zeroise($querypost->query_vars['monthnum'], 2);
                 } else {
                     if ($querypost->is_year()) {
                         $date = $querypost->query_vars['year'];
                     }
                 }
             }
         }
         return array('value' => $date, 'title' => '', 'type' => 'archive', 'label' => __("Archive"));
     } else {
         if ($querypost->is_category() || $querypost->is_tag() || $querypost->is_tax()) {
             $tax_query = $querypost->tax_query->queries;
             $taxonomy = get_taxonomy($tax_query[0]['taxonomy']);
             if ($tax_query[0]['field'] == 'term_id') {
                 $term_id = $tax_query[0]['terms'][0];
             } else {
                 if ($tax_query[0]['field'] == 'slug') {
                     $term_id = get_term_by('slug', $tax_query[0]['terms'][0], $taxonomy->name)->term_id;
                 }
             }
             return array('value' => $term_id, 'title' => get_term($term_id, $taxonomy->name)->name, 'type' => $taxonomy->name, 'label' => is_array($taxonomy->labels->name) ? $taxonomy->labels['name'] : $taxonomy->labels->name);
         } else {
             if ($querypost->is_search()) {
                 return array('value' => $querypost->query_vars['s'], 'title' => '', 'type' => 'search', 'label' => __("Search"));
             } else {
                 if ($querypost->is_home()) {
                     return array('value' => '', 'title' => '', 'type' => 'home', 'label' => __("Blog Home Page"));
                 }
             }
         }
     }
 }

/**
 * Replaces Main Query objects.
 * 
 * When browsing by category by default WP will display list of categories 
 * (depending on the theme), we do not want that, instead we want to take control
 * over the page content. In order to do that this function removes main query
 * list of terms and replaces them with post that holds adverts list.
 * 
 * @param array $posts
 * @param WP_Query $query
 * @return array Post objects
 */
function adverts_posts_results($posts, $query)
{
    if ($query->is_main_query() && $query->is_tax("advert_category")) {
        $title = sprintf(__("Category: %s", "adverts"), $query->get_queried_object()->name);
        $post = get_post(adverts_config('config.ads_list_id'));
        $post->post_title = apply_filters("adverts_category_the_title", $title);
        return array($post);
    } else {
        return $posts;
    }
}

 /**
  * used by the layered_nav widget and the price filter widget as they access the global ($all_post_ids)
  * is run on the 'request' filter with highest priority to ensure it runs before main filter_catalog_query
  * gathers all product ID's into a global variable for use elsewhere ($all_post_ids)
  *
  * @param array $request - the array representing the current WordPress request eg. post_type => 'product'
  * @return array - unaltered array of the intial request
  * @since 0.9.9
  **/
 function jigoshop_get_product_ids_in_view($request)
 {
     global $jigoshop_all_post_ids_in_view;
     $jigoshop_all_post_ids_in_view = array();
     $this_query = new WP_Query();
     $this_query->parse_query($request);
     if ($this_query->is_post_type_archive('product') || $this_query->is_tax('product_cat') || $this_query->is_tax('product_tag')) {
         $args = array_merge($this_query->query, array('page_id' => '', 'fields' => 'ids', 'posts_per_page' => -1, 'post_type' => 'product', 'post_status' => 'publish', 'meta_query' => self::meta_query($this_query)));
         $custom_query = get_posts($args);
         $jigoshop_all_post_ids_in_view = array_merge($jigoshop_all_post_ids_in_view, $custom_query);
     }
     $jigoshop_all_post_ids_in_view[] = 0;
     return $request;
 }

 /**
  * The rule of this ordering is: from the most specific to the least.
  * Most of the default WP Template Hierarchy is the same, but not all is followed.
  *
  * For the full example of our lookup order plesase follow to:
  *
  * For the default WP hierarchy follow to:
  * http://codex.wordpress.org/Template_Hierarchy
  *
  * @param WP_Query $wp_query
  * @return array
  */
 protected function defineLookupOrder(\WP_Query $wp_query)
 {
     $result = [];
     if (!$wp_query) {
         return $result;
     }
     // prepare vars
     $post = !empty($wp_query->posts) ? $wp_query->posts[0] : false;
     $post_type = $post ? $post->post_type : false;
     $post_slug = $post ? $post->post_name : false;
     $query_post_type = $wp_query->query_vars['post_type'];
     if (is_array($query_post_type)) {
         // it's not usual to have multiple post types on a rewrite rule
         // but even if there is, it's extremely inconsistent to rely on
         // a template name with multiple post types
         // if that's the case, the user will have to alter the template
         // order manually
         $query_post_type = false;
     }
     // start the template hierarchy build up
     if ($wp_query->is_404()) {
         // 404-[post-type]
         // 404
         if ($query_post_type) {
             $result[] = '404-' . $query_post_type;
         }
         $result[] = '404';
     } elseif ($wp_query->is_search()) {
         // search
         // archive
         $result[] = 'search';
         $result[] = 'archive';
     } elseif ($wp_query->is_front_page()) {
         // if is page on front:
         // front-page
         // page
         // singular
         // if is posts on front:
         // front-page
         // home
         // archive-[post-type]
         // [post-type]
         // archive
         $result[] = 'front-page';
         if ($post_type) {
             if ($post_type !== 'page') {
                 $result[] = 'home';
                 $result[] = 'archive-' . $post_type;
                 $result[] = $post_type;
                 $result[] = 'archive';
             } else {
                 $result[] = 'page';
                 $result[] = 'singular';
             }
         }
     } elseif ($wp_query->is_home()) {
         // home
         // archive-[post-type]
         // [post-type]
         // archive
         $result[] = 'home';
         if ($post_type) {
             $result[] = 'archive-' . $post_type;
             $result[] = $post_type;
             $result[] = 'archive';
         }
         // for now this is not needed, test more
         // } elseif ($wp_query->is_post_type_archive()) {
         //     $result[] = 'archive-'.$query_post_type;
         //     $result[] = $query_post_type;
         //     $result[] = 'archive';
     } elseif ($wp_query->is_author()) {
         // author-[user-login]
         // author-[user-nicename]
         // author
         // archive
         if ($author = get_userdata($post->post_author)) {
             $result[] = 'author-' . $author->data->user_login;
             if ($author->data->user_login !== $author->data->user_nicename) {
                 $result[] = 'author-' . $author->data->user_nicename;
             }
         }
         $result[] = 'author';
         $result[] = 'archive';
     } elseif ($wp_query->is_tax() || $wp_query->is_tag() || $wp_query->is_category()) {
         // taxonomy-[taxonomy]-[term-slug]
         // taxonomy-[taxonomy]
         // taxonomy-[post-type]
//.........这里部分代码省略.........