<?php   
header("content-Type: text/html; charset=utf-8");
function preg_substr($start, $end, $str) // 正則擷取函式      
{      
    $temp = preg_split($start, $str);      
    $content = preg_split($end, $temp[1]);      
    return $content[0];      
}   
function str_substr($start, $end, $str) // 字串擷取函式      
{      
    $temp = explode($start, $str, 2);      
    $content = explode($end, $temp[1], 2);      
    return $content[0];     
}   

// ---------------- 使用例項 ----------------   
$str = iconv("GB2312","UTF-8",  file_get_contents("http://www.037c.com/New/5.html"));    
echo ('標題: ' . str_substr("<title>", "</title>", $str)); // 通過字串提取標題   
echo ('作者: ' . preg_substr("/作者：/", "/<\//", $str)); // 通過正則提取作者   
echo ('內容: ' . str_substr('<div class="wltg">', '</div>', $str)); //內容當然不可以少   
?>   
 

<?php
header("content-Type: text/html; charset=utf-8");
$html=file_get_contents("http://news.sina.com.cn/");
$html=str_replace("\n","",$html);
$html=str_replace("\r","",$html);
$rule='/<div class="ct_t_01".*?>(.*?)<\/div>/';
preg_match($rule,$html,$result);
$result=$result[1];
$rule1='/<h1 data-client="headline">(.*?)<\/h1>/';
preg_match_all($rule1,$result,$array);
print_r($array);

?>


<?php   
header("content-Type: text/html; charset=utf-8");
$html=file_get_contents("http://news.sina.com.cn/");
function preg_substr($start, $end, $str) // 正則擷取函式        
{        
    $temp = preg_split($start, $str);        
    $content = preg_split($end, $temp[1]);        
    return $content[0];        
}   
$result=preg_substr('/<div class="ct_t_01".*?>/','/<\/div>/',$html);
$rule1='/<h1 data-client="headline">(.*?)<\/h1>/';
preg_match_all($rule1,$result,$array);
print_r($array)
?>