PHP WP_Query::query方法代码示例

 function widget($args, $instance)
 {
     extract($args, EXTR_SKIP);
     echo $before_widget . $before_title;
     echo ec3_widget_title($instance['title'], 'Upcoming Events');
     echo $after_title;
     if (ec3_check_installed(__('Upcoming Events', 'ec3'))) {
         // Parse $limit:
         //  NUMBER      - limits number of posts
         //  NUMBER days - next NUMBER of days
         $limit = $instance['limit'];
         $num = intval($limit);
         $query = new WP_Query();
         if (preg_match('/^ *([0-9]+) *d(ays?)?/', $limit, $matches)) {
             $query->query('ec3_days=' . intval($matches[1]));
         } elseif ($num > 0) {
             $query->query('ec3_after=today&posts_per_page=' . $num);
         } elseif ($num < 0) {
             $query->query('ec3_before=today&order=asc&posts_per_page=' . abs($num));
         } else {
             $query->query('ec3_after=today&posts_per_page=5');
         }
         echo "<ul class='ec3_events'>";
         echo '<!-- Generated by Event-Calendar v' . ec3_get_version() . ' -->' . "\n";
         if ($query->have_posts()) {
             $current_date = false;
             for ($evt = ec3_iter_all_events_q($query); $evt->valid(); $evt->next()) {
                 // Date changed?
                 $date = ec3_get_date();
                 if (!$current_date || $current_date != $date) {
                     if ($current_date) {
                         echo "</ul></li>\n";
                     }
                     echo "<li class='ec3_list ec3_list_day'>{$date}:\n<ul>\n";
                     $current_date = $date;
                 }
                 // Print the event.
                 echo ' <li><a href="' . get_permalink() . '">' . get_the_title() . ' (' . ec3_get_start_time() . ')</a></li>' . "\n";
             }
             if ($current_date) {
                 echo "</ul></li>\n";
             }
         } else {
             echo "<li>" . __('No events.', 'ec3') . "</li>\n";
         }
         echo "</ul>\n";
     }
     echo $after_widget;
 }

/**
 * Retrieves a list of progress posts matching criteria
 *
 * If you try to use this function, you will need to implement your own switch_to_blog and wp_reset_postdata() handling if running in a multisite
 * and in a dpa_is_running_networkwide() configuration, otherwise the data won't be fetched from the appropriate site.
 *
 * @param array|string $args All the arguments supported by {@link WP_Query}, and some more.
 * @return array Posts
 * @since Achievements (3.0)
 */
function dpa_get_progress($args = array())
{
    $defaults = array('no_found_rows' => true, 'order' => 'DESC', 'orderby' => 'date', 'post_type' => dpa_get_progress_post_type(), 'posts_per_page' => -1, 'post_status' => array(dpa_get_locked_status_id(), dpa_get_unlocked_status_id()));
    $args = dpa_parse_args($args, $defaults, 'get_progress');
    $progress = new WP_Query();
    return apply_filters('dpa_get_progress', $progress->query($args), $args);
}

 /**
  *
  *
  *
  *
  * @since 1.0.9
  * */
 function _top_ajax_search()
 {
     if (STInput::request('action') != 'st_top_ajax_search') {
         return;
     }
     //Small security
     check_ajax_referer('st_search_security', 'security');
     $s = STInput::get('s');
     $arg = array('post_type' => array('post', 'st_hotel', 'st_rental', 'location', 'st_tours', 'st_holidays', 'st_cars', 'st_activity'), 'posts_per_page' => 10, 's' => $s, 'suppress_filters' => false);
     $query = new WP_Query();
     $query->is_admin = false;
     $query->query($arg);
     $r = array();
     while ($query->have_posts()) {
         $query->the_post();
         $post_type = get_post_type(get_the_ID());
         $obj = get_post_type_object($post_type);
         $item = array('title' => get_the_title(), 'id' => get_the_ID(), 'type' => $obj->labels->singular_name, 'url' => get_permalink(), 'obj' => $obj);
         if ($post_type == 'location') {
             $item['url'] = home_url(esc_url_raw('?s=&post_type=st_hotel&location_id=' . get_the_ID()));
         }
         $r['data'][] = $item;
     }
     wp_reset_query();
     echo json_encode($r);
     die;
 }

function get_subpages($page_name)
{
    $my_wp_query = new WP_Query();
    $all_wp_pages = $my_wp_query->query(array('post_type' => 'page'));
    $pg = get_page_by_title($page_name);
    return get_page_children($pg->ID, $all_wp_pages);
}

function recentPosts()
{
    $rPosts = new WP_Query();
    $rPosts->query('showposts=4');
    while ($rPosts->have_posts()) {
        $rPosts->the_post();
        ?>
			 <div class="col-md-3 prj-item col-sm-6">
              <a href="<?php 
        the_permalink();
        ?>
">
			  <?php 
        the_post_thumbnail('recent-thumbnails');
        ?>
              <div class="info">
		      <i class="fa fa-plus"></i>
       		  <h5><?php 
        the_title();
        ?>
</h5>
       			<!--<h6> cats </h6>  -->
		      
			</div>
     </a>
    </div>	
		<?php 
    }
    wp_reset_query();
}

function myLoop($atts, $content = null)
{
    extract(shortcode_atts(array("pagination" => 'true', "query" => '', "category" => ''), $atts));
    global $wp_query, $paged, $post;
    $temp = $wp_query;
    $wp_query = null;
    $wp_query = new WP_Query();
    $query .= 'post_type=person';
    $wp_query->query($query);
    ob_start();
    ?>
	
	
	<?php 
    while ($wp_query->have_posts()) {
        $wp_query->the_post();
        ?>
		<?php 
        get_template_part('content', get_post_type());
        ?>
	<?php 
    }
    ?>



	<?php 
    $wp_query = null;
    $wp_query = $temp;
    $content = ob_get_contents();
    ob_end_clean();
    return $content;
}

 protected function addPopupByURL($matches)
 {
     global $wp_query;
     $pageId = $matches[1];
     if (is_numeric($pageId)) {
         $post = get_post($pageId);
     } else {
         $query = new WP_Query();
         //simulate category query in order to fool ACE
         $temp = $wp_query->is_category;
         $wp_query->is_category = true;
         $posts = $query->query(array('name' => $pageId));
         $wp_query->is_category = $temp;
         if (empty($posts)) {
             return "#error-popup-{$pageId}";
         }
         $post = $posts[0];
     }
     if (!$post) {
         return "#error-popup-{$pageId}";
     }
     $this->replaceHappened = true;
     $this->content[$post->ID] = '<div class="popup-content">' . apply_filters('the_content', $post->post_content) . '</div>';
     return '#popup" onclick="return showPopup(\'' . $post->ID . '\')';
 }

/**
 * Performs post queries for internal linking.
 *
 * @since 3.1.0
 *
 * @param array $args Optional. Accepts 'pagenum' and 's' (search) arguments.
 * @return array Results.
 */
function wp_link_query($args = array())
{
    $pts = get_post_types(array('publicly_queryable' => true), 'objects');
    $pt_names = array_keys($pts);
    $query = array('post_type' => $pt_names, 'suppress_filters' => true, 'update_post_term_cache' => false, 'update_post_meta_cache' => false, 'post_status' => 'publish', 'order' => 'DESC', 'orderby' => 'post_date', 'posts_per_page' => 20);
    $args['pagenum'] = isset($args['pagenum']) ? absint($args['pagenum']) : 1;
    if (isset($args['s'])) {
        $query['s'] = $args['s'];
    }
    $query['offset'] = $args['pagenum'] > 1 ? $query['posts_per_page'] * ($args['pagenum'] - 1) : 0;
    // Do main query.
    $get_posts = new WP_Query();
    $posts = $get_posts->query($query);
    // Check if any posts were found.
    if (!$get_posts->post_count) {
        return false;
    }
    // Build results.
    $results = array();
    foreach ($posts as $post) {
        if ('post' == $post->post_type) {
            $info = mysql2date(__('Y/m/d'), $post->post_date);
        } else {
            $info = $pts[$post->post_type]->labels->singular_name;
        }
        $results[] = array('ID' => $post->ID, 'title' => trim(esc_html(strip_tags(get_the_title($post)))), 'permalink' => get_permalink($post->ID), 'info' => $info);
    }
    return $results;
}

 /**
  * Get a collection of posts.
  *
  * @param WP_REST_Request $request Full details about the request.
  * @return WP_Error|WP_REST_Response
  */
 public function get_items($request)
 {
     $args = array();
     $args['author'] = $request['author'];
     $args['paged'] = $request['page'];
     $args['posts_per_page'] = $request['per_page'];
     $args['post_parent'] = $request['parent'];
     $args['post_status'] = $request['status'];
     $args['s'] = $request['search'];
     if (is_array($request['filter'])) {
         $args = array_merge($args, $request['filter']);
         unset($args['filter']);
     }
     // Force the post_type argument, since it's not a user input variable.
     $args['post_type'] = $this->post_type;
     /**
      * Filter the query arguments for a request.
      *
      * Enables adding extra arguments or setting defaults for a post
      * collection request.
      *
      * @param array           $args    Key value array of query var to query value.
      * @param WP_REST_Request $request The request used.
      */
     $args = apply_filters('rest_post_query', $args, $request);
     $query_args = $this->prepare_items_query($args);
     $posts_query = new WP_Query();
     $query_result = $posts_query->query($query_args);
     $posts = array();
     foreach ($query_result as $post) {
         if (!$this->check_read_permission($post)) {
             continue;
         }
         $data = $this->prepare_item_for_response($post, $request);
         $posts[] = $this->prepare_response_for_collection($data);
     }
     $response = rest_ensure_response($posts);
     $count_query = new WP_Query();
     unset($query_args['paged']);
     $query_result = $count_query->query($query_args);
     $total_posts = $count_query->found_posts;
     $response->header('X-WP-Total', (int) $total_posts);
     $max_pages = ceil($total_posts / $request['per_page']);
     $response->header('X-WP-TotalPages', (int) $max_pages);
     $base = add_query_arg($request->get_query_params(), rest_url('/wp/v2/' . $this->get_post_type_base($this->post_type)));
     if ($request['page'] > 1) {
         $prev_page = $request['page'] - 1;
         if ($prev_page > $max_pages) {
             $prev_page = $max_pages;
         }
         $prev_link = add_query_arg('page', $prev_page, $base);
         $response->link_header('prev', $prev_link);
     }
     if ($max_pages > $request['page']) {
         $next_page = $request['page'] + 1;
         $next_link = add_query_arg('page', $next_page, $base);
         $response->link_header('next', $next_link);
     }
     return $response;
 }

function shortcode_list_posts($atts, $content = null)
{
    extract(shortcode_atts(array('posts_per_page' => -1, 'cat' => '', 'tag' => '', 'order' => '', 'order_by' => ''), $atts));
    $args = array('post_type' => 'post', 'posts_per_page' => $posts_per_page, 'post_status' => 'publish');
    if (!empty($cat)) {
        $cat = split(',', str_replace(" ", "", $cat));
        $args['category__and'] = $cat;
    }
    if (!empty($tag)) {
        $tag = split(',', str_replace(" ", "", $tag));
        $args['tag__in'] = $tag;
    }
    if ($order) {
        $args['order'] = $order;
    }
    if ($order_by) {
        $args['orderby'] = $order_by;
    }
    $my_query = new WP_Query();
    $my_query->query($args);
    $content = '<ul class="post-list" >';
    while ($my_query->have_posts()) {
        $my_query->the_post();
        $author = get_the_author_meta('display_name');
        $author_url = get_author_posts_url(get_the_author_meta('ID'));
        $content .= '<li><a href="' . get_permalink() . '" title="' . get_the_title() . '">' . get_the_title() . '</a> <span>- by <a href="' . $author_url . '" title="' . $author . '">' . $author . '</a> on ' . get_the_time('F j, Y') . '</span></li>' . "\n";
    }
    $content .= '</ul><!-- end .post-list -->';
    //wp_reset_query();
    return remove_wpautop($content);
}

 function widget($args, $instance)
 {
     global $post;
     extract($args, EXTR_SKIP);
     echo $before_widget;
     $title = empty($instance['title']) ? '' : apply_filters('widget_title', $instance['title']);
     if (!empty($title)) {
         echo $before_title . $title . $after_title;
     }
     if ((is_home() || is_front_page()) && !is_paged() && !ceo_pluginfo('disable_comic_on_home_page')) {
         $chapter_on_home = '';
         $chapter_on_home = get_term_by('id', ceo_pluginfo('chapter_on_home'), 'chapters');
         $chapter_on_home = !is_wp_error($chapter_on_home) && !empty($chapter_on_home) ? '&chapters=' . $chapter_on_home->slug : '';
         $order = ceo_pluginfo('display_first_comic_on_home_page') ? 'asc' : 'desc';
         $query_args = 'post_type=comic&showposts=1&order=' . $order . $chapter_on_home;
         apply_filters('ceo_display_comic_mininav_home_query', $query_args);
         $comicFrontpage = new WP_Query();
         $comicFrontpage->query($query_args);
         while ($comicFrontpage->have_posts()) {
             $comicFrontpage->the_post();
             ceo_list_jump_to_comic($instance['exclude'], false);
         }
     } elseif (!empty($post)) {
         ceo_list_jump_to_comic($instance['exclude'], false);
     }
     echo $after_widget;
 }

 function ut_get_posts_children_ids($parent_id)
 {
     /* id is empty , we leave here */
     if (empty($parent_id)) {
         return array();
     }
     $children_array = array();
     $child_query = new WP_Query();
     $children = $child_query->query(array('post_type' => 'page', 'order' => 'ASC', 'post_status' => 'publish', 'orderby' => 'menu_order', 'post_parent' => $parent_id));
     if (!empty($children)) {
         foreach ($children as $child) {
             /* push current child into array */
             $children_array[] = $child->ID;
             /* recursive - here we go! */
             $gchildren = ut_get_posts_children_ids($child->ID);
             if (!empty($gchildren)) {
                 foreach ($gchildren as $gchild) {
                     $children_array[] = $gchild;
                 }
             }
         }
     }
     wp_reset_postdata();
     return !empty($children_array) ? $children_array : array();
 }

 /**
  * Search for publications.
  *
  * @param array $args
  * @return array
  */
 private function publication_query($args = array())
 {
     $query = array('post_type' => 'seoslides-slideset', 'suppress_filters' => true, 'update_post_term_cache' => false, 'update_post_meta_cache' => false, 'post_status' => 'publish', 'order' => 'DESC', 'orderby' => 'post_date', 'posts_per_page' => 20);
     $args['pagenum'] = isset($args['pagenum']) ? absint($args['pagenum']) : 1;
     if (isset($args['s'])) {
         $query['s'] = $args['s'];
     }
     $query['offset'] = $args['pagenum'] > 1 ? $query['posts_per_page'] * ($args['pagenum'] - 1) : 0;
     // Run the query
     $get_posts = new WP_Query();
     $posts = $get_posts->query($query);
     $results = array();
     if (0 === $get_posts->post_count) {
         return $results;
     }
     // Populate results
     foreach ($posts as $post) {
         // Get the embed ID for the first slide in the presentation
         $slideset = new SEOSlides_Slideset($post->ID);
         /** @var SEOSlides_Embed $embed */
         $embed = SEOSlides_Module_Provider::get('SEOSlides Embed');
         $embed_id = $embed->get_embed_unique_id($post->ID, $slideset->first_slide()->slug);
         $embed_url = $embed->get_embed_url($post->ID, $slideset->first_slide()->slug);
         $shortcode = '[seoslides embed_id="' . $embed_id . '"';
         $shortcode .= ' script_src="' . preg_replace('/\\/(slides|embeds)\\//', '/embed-script/', $embed_url) . '"';
         $shortcode .= ' overview_src="' . get_permalink($post) . '"';
         $shortcode .= ' title="' . get_the_title($post) . '"';
         $shortcode .= ' site_src="' . get_home_url() . '"';
         $shortcode .= ' site_title="' . get_bloginfo('name') . '"';
         $shortcode .= ' /]';
         $results[] = array('ID' => $post->ID, 'title' => trim(esc_html(strip_tags(get_the_title($post)))), 'shortcode' => esc_attr($shortcode), 'info' => mysql2date(__('Y/m/d'), $post->post_date));
     }
     return $results;
 }

function choosepopup_inner_custom_box()
{
    // Use nonce for verification
    wp_nonce_field(plugin_basename(__FILE__), 'choosepopup_noncename');
    $popup_list = new WP_Query();
    $popup_list->query(array('post_status' => 'publish', 'post_type' => array('post', 'page'), 'order_by' => 'menu_order, post_title', 'posts_per_page' => '-1'));
    //print_r($popup_list);
    if (!empty($popup_list)) {
        $meta_values = get_post_meta($_GET['post'], 'popup', true);
        echo '<label for="choosepopup_new_field">' . __("Popup post", 'choosepopup_textdomain') . '</label> ';
        echo '<input name="choosepopup_new_field" id="choosepopup_new_field" value="' . $meta_values . '" />';
        /*
        		echo '<option></option>';
        		foreach ($popup_list->posts as $q) {
        			if (intval($q->ID) > 0) echo '<option value="' . $q->ID . '"';
        			if (intval($q->ID) > 0 && intval($q->ID) == $meta_values) echo ' selected';
        			if (intval($q->ID) > 0) echo '>' . $q->post_title . '        '. ucfirst($q->post_type) . '</option>';
        		}
        		echo '</select>';
        */
        $anc_values = get_post_meta($_GET['post'], 'anchor', true);
        echo '<br /><label for="chooseanchor_new_field">Popup anchor</label> ';
        echo '<input name="chooseanchor_new_field" id="chooseanchor_new_field" type="text" value="' . $anc_values . '"/>';
    }
}

function get_my_page_by_title($title)
{
    $my_wp_query = new WP_Query();
    $all_wp_pages = $my_wp_query->query(array('post_type' => 'page'));
    $page = get_page_by_title($title);
    return $page;
}