PHP如何通过URL访问，获得新的URL 两种方法
1.1
1 $url = 'http://passport.drcloud.cn/api/logon.asp?id=1&ru=http://203.158.158.122/store/thirdLogin.php&tw=1800&sm=0&lc=2052'; 2 $newurl = getMapUrl($url); 3 echo $newurl; 4 5 function getMapUrl($url){ 6 $result = get_headers($url, true); 7 return isset($result['Location'])? $result['Location'] : ''; 8 }
1.2
1 $url = 'http://passport.drcloud.cn/api/logon.asp?id=1&ru=http://203.158.158.122/store/thirdLogin.php&tw=1800&sm=0&lc=2052'; 2 $newurl = getMapUrl($url); 3 echo $newurl; 4 5 function getMapUrl($url){ 6 file_get_contents($url); 7 $result = $http_response_header; 8 if($result){ 9 foreach($result as $val){ 10 if(substr($val,0,10)=='Location: '){ 11 return str_replace('Location: ','', $val); 12 } 13 } 14 } 15 return ''; 16 }
2
1 $url = 'http://passport.drcloud.cn/api/logon.asp?id=1&ru=http://203.158.158.122/store/thirdLogin.php&tw=1800&sm=0&lc=2052'; 2 $newurl = getHeadersNew($url); 3 var_dump($newurl); 4 function getHeadersNew($url){ 5 $ch= curl_init(); 6 curl_setopt($ch, CURLOPT_URL, $url); 7 curl_setopt($ch, CURLOPT_NOBODY, 1); 8 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 9 curl_setopt($ch, CURLOPT_HEADER, 1); 10 $f=curl_exec($ch); 11 curl_close($ch); 12 $h=explode("\n",$f); 13 $r=array(); 14 foreach( $h as $t){ 15 $rr=explode(":",$t,2); 16 if(count($rr)==2 ){ $r[$rr[0]]=trim($rr[1]);} 17 } 18 return $r; 19 }
