PHP wp_get_post_tags函数代码示例

 function widget($args, $instance)
 {
     /* PRINT THE WIDGET */
     extract($args, EXTR_SKIP);
     $title = !empty($instance['title']) ? $instance['title'] : '';
     if (is_singular('post') && has_tag()) {
         global $post;
         echo $before_widget;
         if (!empty($title)) {
             echo $before_title;
             echo $title;
             echo $after_title;
         }
         echo '<div class="tagcloud">';
         $tags = wp_get_post_tags($post->ID);
         foreach ($tags as $t => $tag) {
             echo '<a href="' . get_tag_link($tag->term_id) . '" title="' . $tag->count . ' topic">';
             echo $tag->name;
             echo '</a>';
         }
         echo '<div class="clear"></div>';
         echo '</div>';
         echo $after_widget;
     }
 }

 function check_for_tag_update($post_data, $post_array)
 {
     if (!empty($post_array['ID'])) {
         $post_id = $post_array['ID'];
         $post = new TimberPost($post_id);
         if ($this->check($post)) {
             return $post_data;
         }
         $tags = wp_get_post_tags($post->id);
         $old_tag_id = $new_tag_id = false;
         if (isset($tags[0]->term_id)) {
             $old_tag_id = $tags[0]->term_id;
         }
         if (isset($post_array['tax_input']['post_tag'][0])) {
             $new_tag_id = $post_array['tax_input']['post_tag'][0];
         }
         if ($old_tag_id === $new_tag_id) {
             return $post_data;
         }
         if ($old_tag_id === false && $new_tag_id) {
             $this->add_post_to_edition($post, $new_tag_id);
             return $post_data;
         }
         if ($old_tag_id && $new_tag_id === false) {
             $this->remove_post_from_edition($post, $old_tag_id);
             return $post_data;
         }
         if ($old_tag_id !== $new_tag_id) {
             $this->remove_post_from_edition($post, $old_tag_id);
             $this->add_post_to_edition($post, $new_tag_id);
             return $post_data;
         }
     }
     return $post_data;
 }

 public function map(EntityContract $entity, array $data)
 {
     $id = $data['post_parent'];
     $entity->setParent(function () use($id) {
         $parent = null;
         if ($id) {
             $parent = $this->postRepository->postOfId($id);
         }
         return $parent;
     });
     $id = $data['ID'];
     $entity->setCategories(function () use($id) {
         $categories = new Collection();
         foreach (wp_get_post_categories($id) as $termId) {
             $categories->push($this->categoryRepository->categoryOfId($termId));
         }
         return $categories;
     });
     $entity->setTags(function () use($id) {
         $tags = new Collection();
         foreach (wp_get_post_tags($id) as $termId) {
             $tags->push($this->tagRepository->tagOfId($termId));
         }
         return $tags;
     });
 }

    public static function related_post()
    {
        //for use in the loop, list 5 post titles related to first tag on current post
        global $post;
        $tags = wp_get_post_tags($post->ID);
        if ($tags) {
            echo 'Related Posts';
            $first_tag = $tags[0]->term_id;
            $args = array('tag__in' => array($first_tag), 'post__not_in' => array($post->ID), 'showposts' => 5, 'caller_get_posts' => 1);
            $my_query = new WP_Query($args);
            if ($my_query->have_posts()) {
                while ($my_query->have_posts()) {
                    $my_query->the_post();
                    ?>
                    <p><a href="<?php 
                    the_permalink();
                    ?>
" rel="bookmark" title="Permanent Link to <?php 
                    the_title_attribute();
                    ?>
"><?php 
                    the_title();
                    ?>
</a></p>
                    <?php 
                }
            }
        }
    }

function wp_fetch_related_posts($limitclause="") {
	global $wpdb, $post;
	$wp_rp = get_option("wp_rp");

	if(!$post->ID){return;}
	$now = current_time('mysql', 1);
	$tags = wp_get_post_tags($post->ID);

	$tagcount = count($tags);
	$taglist = false;
	if ($tagcount > 0) {
		$taglist = "'" . $tags[0]->term_id. "'";
		for ($i = 1; $i < $tagcount; $i++) {
			$taglist = $taglist . ", '" . $tags[$i]->term_id . "'";
		}
	}

	$related_posts = false;
	if ($taglist) {
		$q = "SELECT p.ID, p.post_title, p.post_content,p.post_excerpt, p.post_date,  p.comment_count, count(t_r.object_id) as cnt FROM $wpdb->term_taxonomy t_t, $wpdb->term_relationships t_r, $wpdb->posts p WHERE t_t.taxonomy ='post_tag' AND t_t.term_taxonomy_id = t_r.term_taxonomy_id AND t_r.object_id  = p.ID AND (t_t.term_id IN ($taglist)) AND p.ID != $post->ID AND p.post_status = 'publish' AND p.post_date_gmt < '$now' GROUP BY t_r.object_id ORDER BY cnt DESC, p.post_date_gmt DESC $limitclause;";

		$related_posts = $wpdb->get_results($q);
	}

	return $related_posts;
}

 private function _getPostTop($category)
 {
     if (empty($category)) {
         $this->_trough404('_getPostTop: No category set');
     }
     require $this->wp;
     $cid = get_cat_ID($category);
     if ($cid) {
         $wp_posts = get_posts(array('category' => get_cat_ID($category)));
         foreach ($wp_posts as $wp_post) {
             $id = $wp_post->ID;
             $tags = wp_get_post_tags($wp_post->ID);
             foreach ($tags as $tag) {
                 if ($tag->name == 'top') {
                     return $id;
                 }
             }
         }
         if (!empty($id)) {
             return $id;
         }
         // Backup, random one
     }
     $this->_trough404('_getPostTop: No category found');
 }

function post_meta()
{
    ?>
	<ul class="post_meta">
		<li class="date"><?php 
    echo get_the_date();
    ?>
</li>
		<li class="category"><?php 
    the_category(', ');
    ?>
</li>
		<?php 
    $post_tags = wp_get_post_tags($post->ID);
    if (!empty($post_tags)) {
        ?>
				<li class="tags"><?php 
        the_tags('', ', ', '');
        ?>
</li>
			<?php 
    }
    ?>
	</ul><!-- .post-meta -->
<?php 
}

 function widget($args, $instance)
 {
     /* PRINT THE WIDGET */
     extract($args, EXTR_SKIP);
     $instance = wp_parse_args((array) $instance, array('title' => null));
     $title = esc_attr($instance['title']);
     if (is_singular('post') && has_tag()) {
         global $post;
         echo $before_widget;
         if (!empty($title)) {
             echo $before_title;
             echo apply_filters('widget_title', $title, $instance, $this->id_base);
             echo $after_title;
         }
         echo '<div class="tagcloud">';
         $tags = wp_get_post_tags($post->ID);
         foreach ($tags as $t => $tag) {
             echo '<a href="' . get_tag_link($tag->term_id) . '" title="' . $tag->count . ' topic">';
             echo $tag->name;
             echo '</a>';
         }
         echo '<div class="clear"></div>';
         echo '</div>';
         echo $after_widget;
     }
 }

function joints_related_posts()
{
    global $post;
    $tags = wp_get_post_tags($post->ID);
    if ($tags) {
        foreach ($tags as $tag) {
            $tag_arr .= $tag->slug . ',';
        }
        $args = array('tag' => $tag_arr, 'numberposts' => 3, 'post__not_in' => array($post->ID));
        $related_posts = get_posts($args);
        if ($related_posts) {
            echo '<section class="fs-cell fs-all-full section section-compact"><h4 class="title"><span>Related Posts</span></h4></section>';
            //echo '<ul id="joints-related-posts">';
            foreach ($related_posts as $post) {
                setup_postdata($post);
                ?>
                <?php 
                get_template_part('entry');
                ?>
            <?php 
            }
        }
    }
    wp_reset_postdata();
    //echo '</ul>';
}

function blocks_get_gallery($post_id)
{
    $ret = array('tags' => array(), 'images' => array());
    $gallery = get_post_gallery($post_id, false);
    $gallery_ids = $gallery ? explode(',', $gallery['ids']) : array();
    foreach ($gallery_ids as $id) {
        $thumb = wp_get_attachment_image_src($id, 'medium');
        $image = wp_get_attachment_image_src($id, 'large');
        if ($thumb && $image) {
            $image_data = array('tags' => array(), 'tags_string' => '');
            $image_data['thumbnail'] = $thumb;
            $image_data['image'] = $image;
            $image_data['tags'] = wp_get_post_tags($id);
            foreach ($image_data['tags'] as $tag) {
                $ret['tags'][$tag->slug] = $tag->name;
                $image_data['tags_string'] .= ' ' . $tag->slug;
            }
            $data = wp_prepare_attachment_for_js($id);
            $image_data['title'] = $data['title'];
            $image_data['caption'] = $data['caption'];
            $image_data['alt'] = $data['alt'];
            $image_data['description'] = $data['description'];
            $image_data['link'] = get_post_meta($id, "_blocks_link", true);
            $ret['images'][] = $image_data;
        }
    }
    asort($ret['tags']);
    return $ret;
}

 function prepare_schema($post_id, $schema)
 {
     $post = get_post($post_id);
     $this->content = $schema->post_content;
     $this->content = str_replace("%LINK%", $post->guid, $this->content);
     $this->content = str_replace("%TITLE%", $post->post_title, $this->content);
     $this->content = str_replace("%CONTENT%", $post->post_content, $this->content);
     $this->content = str_replace("%DATE%", $post->post_date, $this->content);
     $this->keywords = array();
     $tags = wp_get_post_tags($post_id);
     foreach ($tags as $tag) {
         array_push($this->keywords, $tags[$tag]->name);
     }
     $categories = wp_get_post_categories($post_id);
     foreach ($categories as $category) {
         $cat = get_category($category);
         array_push($this->keywords, $cat->name);
     }
     $content = str_replace("%KEYWORDS%", implode(",", $this->keywords), $this->content);
     $args = array('posts_per_page' => 9999999, 'orderby' => 'post_title', 'order' => 'ASC', 'post_type' => 'lrfield', 'post_status' => 'publish', 'suppress_filters' => true);
     $fields = get_posts($args);
     foreach ($fields as $field) {
         $this->content = str_replace("%" . strtoupper($field->post_title) . "%", $field->post_content, $this->content);
     }
 }

/**
 * Get related posts.
 */
function my_rss_related()
{
    global $post;
    // Setup post data
    $pid = $post->ID;
    $tags = wp_get_post_tags($pid);
    $tag_ids = array();
    // Loop through post tags
    foreach ($tags as $individual_tag) {
        $tag_ids[] = $individual_tag->term_id;
    }
    // Execute WP_Query
    $related_by_tag = new WP_Query(array('tag__in' => $tag_ids, 'post__not_in' => array($pid), 'posts_per_page' => 10));
    // Loop through posts and build HTML
    if ($related_by_tag->have_posts()) {
        echo 'Related:<br />';
        while ($related_by_tag->have_posts()) {
            $related_by_tag->the_post();
            echo '<a href="' . get_permalink() . '">' . get_the_title() . '</a><br />';
        }
    } else {
        echo '';
    }
    wp_reset_postdata();
}

 private function _meta_data($view, $params)
 {
     $defaults = array('class' => '');
     $params = wp_parse_args($params, $defaults);
     $content = '';
     // Date
     $content .= '<a href="' . get_month_link(get_the_time('Y'), get_the_time('m')) . '" class="blog_date"><i class="icon-calendar"></i>' . get_the_date('F j, Y') . '</a>';
     // Categories
     $post_categories = wp_get_post_categories(get_the_ID());
     $categories = array();
     foreach ($post_categories as $c) {
         $cat = get_category($c);
         $categories[] = '<a href="' . get_category_link($cat->term_id) . '">' . $cat->name . '</a>';
     }
     if (count($categories) > 0) {
         $content .= '<div class="blog_category"><i class="icon-tag"></i>' . implode(', ', $categories) . '</div>';
     }
     // Author
     $content .= '<span class="blog_author"><i class="icon-user"></i>' . get_the_author() . '</span>';
     $post_tags = wp_get_post_tags(get_the_ID());
     $tags = array();
     foreach ($post_tags as $tag) {
         $tags[] = '<a href="' . get_tag_link($tag->term_id) . '">' . $tag->name . '</a>';
     }
     if (count($tags) > 0) {
         $content .= '<div class="blog_category"><i class="icon-tag"></i>' . implode(', ', $tags) . '</div>';
     }
     return '<div class="' . $params['class'] . '">' . $content . '</div>';
 }

function rp_get_related_posts($post, $limit)
{
    global $wpdb;
    // wordpress database access
    // limit has to be a number
    $limit = (int) $limit;
    // get tags of the post
    $tags = wp_get_post_tags($post->ID);
    if (is_wp_error($tags)) {
        return false;
    }
    // error
    if (count($tags) <= 0) {
        // we cannot get related posts without tags
        return array();
    }
    // no related posts
    // get term ids
    $termids = array();
    foreach ($tags as $tag) {
        $termids[$tag->term_id] = $tag->term_id;
    }
    if (count($termids) <= 0) {
        // we cannot get related posts without the termids
        return array();
    }
    // no related posts
    // the query to get the related posts
    $query = "SELECT DISTINCT {$wpdb->posts}.*, COUNT( tr.object_id) AS cnt " . "FROM {$wpdb->term_taxonomy} tt, {$wpdb->term_relationships} tr, {$wpdb->posts} " . "WHERE 1 " . "AND tt.taxonomy = 'post_tag' " . "AND tt.term_taxonomy_id = tr.term_taxonomy_id " . "AND tr.object_id = {$wpdb->posts}.ID " . "AND tt.term_id IN( " . implode(',', $termids) . " ) " . "AND {$wpdb->posts}.ID != {$post->ID} " . "AND {$wpdb->posts}.post_status = 'publish' " . "GROUP BY tr.object_id " . "ORDER BY cnt DESC, {$wpdb->posts}.post_date_gmt DESC " . "LIMIT {$limit} ";
    // get only the top x
    // run the query and return the result
    return $wpdb->get_results($query);
}

 function get_post()
 {
     check_ajax_referer('ajaxnonce', '_inline_edit');
     if (!is_user_logged_in()) {
         die('<p>' . __('Error: not logged in.', 'p2') . '</p>');
     }
     $post_id = $_GET['post_ID'];
     $post_id = substr($post_id, strpos($post_id, '-') + 1);
     if (!current_user_can('edit_post', $post_id)) {
         die('<p>' . __('Error: not allowed to edit post.', 'p2') . '</p>');
     }
     $post = get_post($post_id);
     function get_tag_name($tag)
     {
         return $tag->name;
     }
     $tags = array_map('get_tag_name', wp_get_post_tags($post_id));
     $categories = get_the_category($post_id);
     $category_slug = isset($categories[0]) ? $categories[0]->slug : '';
     // handle page as post_type
     if ('page' == $post->post_type) {
         $category_slug = 'page';
         $tags = '';
     }
     echo json_encode(array('title' => $post->post_title, 'content' => $post->post_content, 'type' => $category_slug, 'tags' => $tags));
 }