Php获取金书网的书名的实现代码

<?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]; 
?>