gistfile1.php

/**
	 * @param int $announceLength
	 * @return null|string
	 */
	public function getAnnounceFriendly($announceLength = 100){

		$announce = trim($this->getAnnounce());
		$content  = trim($this->getContent());

		$output = null;

		if (!$announce){
			if ($content){
				$output = substr($content,0,$announceLength).'...';
			}
		}else{
			$output = substr($announce,0,$announceLength).'...';
		}

		return $output;

	}