Php获取金书网的书名的实现代码

代码如下:
<?php
$url="http://www.golden-book.com/booksinfo/12/264.html";
$lines_array = file($url);
$lines_string = implode('',$lines_array);
iconv("gb2312", "utf-8",$lines_string);
// echo "dsafasdfasf".$lines_string;
eregi("<span class=\"style15\">[^>]*</span>",$lines_string,$head);
echo "asdfsfasdfa".$head[0];
?>