News Parser

<?php
/**
* Intelligent News Parser Library
*
* @package Parse_news
* @category Libraries
* @author Mark Watson
* @link http://markwatson.us
*
* A simple library that parses the html from news articles to pull out metadata. 
*/

class Parse_news
{
  $html = null;
  
  /** 
  * Super_auth constructor
  *
  * @access public
  */ 
  function __construct($url=null)
  {
    if ($url != null)
      $this->html = file_get_contents($url);
  }
  
  function get_authors()
  {
    $is_author = preg_match('/>[Bb][Yy][ ]+.+</',$this->html,$author);
    if (!empty($is_author) && strlen($author[0]) < 255){
      $author = strip_tags($author[0]);
      $author = substr($author,3);
      $author = trim($author);
      $authors = explode('and', $author);
      if (count($authors) == 1)
        $authors = explode('AND', $author);
      
      // if all caps go ahead and fix
      foreach ($authors as $key => $a) {
        preg_match('/[^a-z]+/',$a, $caps);
        if ( !empty($caps) )
          $authors[$key] = trim(ucwords(strtolower($a)));
        else $authors[$key] = trim($a);
      }
    } else $authors = array();
    
    return $authors;
  }
}