'[image-url]', $url, $str);
		}

		// Featured image thumbnail
		if(stripos($str, '[thumbnail]') !== false) {
			$markup = $this->getFeaturedImage( $this->post->ID, 'thumbnail' );
			$str = str_replace('[thumbnail]', $markup, $str);
		}

		// Featured image thumbnail URL
		if(stripos($str, '[thumbnail-url]') !== false) {

			$url = $this->getFeaturedImageURL( $this->post->ID, 'thumbnail' );
			$str = str_replace('[thumbnail-url]', $url, $str);
		}

		// Title
		if(stripos($str, '[title]') !== false) {
			$str = str_replace('[title]', $this->getTitle($textlength), $str);
		}

		// Content
		if(stripos($str, '[content]') !== false) {
			$str = str_replace('[content]', $this->getContent($textlength), $str); }

		// Excerpt
		if(stripos($str, '[excerpt]') !== false) {
			$str = str_replace('[excerpt]', $this->getExcerpt($textlength), $str);
		}

		// Author nickname
		if(stripos($str, '[author]') !== false) {
			$str = str_replace('[author]', $this->getAuthor(true), $str); }

		// Author display name
		if(stripos($str, '[author-name]') !== false) {
			$str = str_replace('[author-name]', $this->getAuthor(false), $str); }

		// Author avatar image
		if(stripos($str, '[author-avatar]') !== false) {
			$str = str_replace('[author-avatar]', $this->getAuthorImage( $this->post ), $str); }


		// Author ID
		if(stripos($str, '[author-id]') !== false) {
			$str = str_replace('[author-id]', $this->post->post_author, $str); }

		// Category list
		if(stripos($str, '[categories]') !== false) {
			$str = str_replace('[categories]', $this->getCategoryList(), $str);
		}

		// Tags list
		if(stripos($str, '[tags]') !== false) {
			$str = str_replace('[tags]', $this->getTagList(), $str);
		}

		// Number of comments
		if(stripos($str, '[comments]') !== false) {
			$str = str_replace('[comments]', $this->post->comment_count, $str); }

		// Meta
		if(stripos($str, '[meta:') !== false) {
			$matches = array();
			preg_match_all('/\[meta:\w(?:[-\w]*\w)?]/', $str, $matches);

			foreach($matches[0] as $match) {
				$meta = str_replace('[meta:', '', $match);
				$meta = str_replace(']', '', $meta);
				$meta = get_post_meta($this->post->ID, $meta, true);
				$str = str_replace($match, $meta, $str);
			}
		}

		return $str;
	}


	/**
	 * Returns the lastly selected post's title
	 * @return string The title of the post
	 */
	public function getTitle($length = 0) {

		if(!is_object($this->post)) { return false; }

		$title = $this->post->post_title;

		if( ! empty( $length ) ) {

			if( function_exists('mb_substr') ) {
				$title = mb_substr($title, 0, $length);
			} else {
				$title = substr($title, 0, $length);
			}
		}

		return $title;
	}


	/**
	 * Returns the lastly selected post's excerpt
	 * @return string The excerpt of the post
	 */
	public function getExcerpt($textlength = 0) {

		global $post;
		$post = $this->post;

		setup_postdata($post);
		$excerpt = get_the_excerpt();
		wp_reset_postdata();

		if( ! empty( $excerpt ) && ! empty( $textlength ) ) {

			if( function_exists('mb_substr') ) {
				$excerpt = mb_substr( $excerpt, 0, $textlength );
			} else {
				$excerpt = substr( $excerpt, 0, $textlength );
			}
		}

		return $excerpt;
	}


	public function getAuthor($nick = true) {
		$key = $nick ? 'user_nicename' : 'display_name';
		if(is_object($this->post)) { return get_userdata($this->post->post_author)->$key; }
			else { return false; }
	}


	public function getAuthorImage( $post = null ) {

		if( ! empty( $post ) ) { $post = $this->post; }

		if( function_exists( 'get_avatar_url' ) ) {

			return '<img src="'.get_avatar_url( $post->post_author, array(
				'size' => 256
			)).'">';
		}

		return '';
	}


	public function getCategoryList( $post = null ) {

		if(!empty($post)) { $post = $this->post; }

		if(has_category(false, $this->post->ID)) {
			$cats = wp_get_post_categories($this->post->ID);
			foreach($cats as $val) {
				$cat = get_category($val);
				$list[] = '<a href="'.get_category_link($val).'">'.$cat->name.'</a>';
			}
			return '<div>'.implode(', ', $list).'</div>';
		} else {
			return '';
		}
	}


	public function getTagList( $post = null ) {

		if(!empty($post)) { $post = $this->post; }

		if(has_tag(false, $this->post->ID)) {
			$tags = wp_get_post_tags($this->post->ID);
			foreach($tags as $val) {
				$list[] = '<a href="/tag/'.$val->slug.'/">'.$val->name.'</a>';
			}
			return '<div>'.implode(', ', $list).'</div>';
		} else {
			return '';
		}
	}

	/**
	 * Returns a subset of the post's content,
	 * or the first paragraph if isn't specified
	 * @param  integer $length The subset's length
	 * @return string          The content
	 */
	public function getContent( $length = false ) {

		if( ! is_object( $this->post ) ) { return false; }

		$content = $this->post->post_content;
		if( ! empty( $length ) ) {

			if( function_exists( 'mb_substr' ) ) {
				$content = mb_substr( wp_strip_all_tags( $content ), 0, $length);
			} else {
				$content = substr( wp_strip_all_tags( $content ), 0, $length);
			}
		}

		return nl2br($content);
	}

	/**
	 * Returns the featured image URL for the specified post ID.
	 * Defaults to an empty GIF on error.
	 *
	 * @param  integer $postID  The ID of the post
	 * @param  string  $size    Attachment image size
	 * @return string			Featured image URL
	 */
	public function getFeaturedImageURL( $postID = 0, $size = 'full' ) {

		if( function_exists('get_post_thumbnail_id') ) {

			$attachmentID 	= get_post_thumbnail_id( $postID );
			$attachment 	= wp_get_attachment_image_src( $attachmentID, $size );

			if( ! empty( $attachment[0] ) ) {
				return $attachment[0];
			}
		}

		return LS_ROOT_URL . '/static/admin/img/blank.gif';
	}

	/**
	 * Returns the featured image HTML element markup for the specified post ID.
	 * Defaults to empty string on error.
	 *
	 * @param  integer $postID  The ID of the post
	 * @param  string  $size    Attachment image size
	 * @return string			<img> HTML markup or empty string on error
	 */
	public function getFeaturedImage( $postID = 0, $size = 'full' ) {

		if( function_exists('get_post_thumbnail_id') ) {

			$attachmentID 	= get_post_thumbnail_id( $postID );
			$attachment 	= wp_get_attachment_image( $attachmentID, $size );

			return $attachment;
		}

		return '';
	}
}