复制代码 代码如下:
<?php
02 if(!function_exists("get_headers")){
03 function get_headers($url,$format=0){
04 $url=parse_url($url);
05 $end="";
06 $fp=fsockopen($url["host"],(empty($url["port"])?80:$url["port"]),$errno,$errstr,30);
07 if($fp){
08 $out="GET / HTTP/1.1";
09 $out.="Host: ".$url["host"]."";
10 $out.="Connection: Close";
11 $var="";
12 fwrite($fp,$out);
13 while(!feof($fp)){
14 $var.=fgets($fp,1280);
15 if(strpos($var,$end))
16 break;
17 }
18 fclose($fp);
19 $var=preg_replace("/.*$/","",$var);
20 $var=explode("",$var);
21 if($format){
22 foreach($var as $i){
23 if(preg_match("/^([a-zA-Z -]+): +(.*)$/",$i,$parts))
24 $v[$parts[1]]=$parts[2];
25 }
26 return $v;
27 }else{
28 return $var;
29 }
30 }
31 }
32 }
33 echo "<pre>";
34 print_r(get_headers("//www.yinxi.net"));