php如何呼叫api介面

php模擬POST提交的2種方法

1、通過curl函數

PHP中使用cURL實現Get和Post請求的方法

$post_data = array();  
$post_data['clientname'] = "test08";  
$post_data['clientpasswd'] = "test08";  
$post_data['submit'] = "submit";  
$url='http://xxx.xxx.xxx.xx/xx/xxx/top.php';  
$o="";  
foreach ($post_data as $k=>$v)  
{  
    $o.= "$k=".urlencode($v)."&";  
}  
$post_data=substr($o,0,-1);  
$ch = curl_init();  
curl_setopt($ch, CURLOPT_POST, 1);  
curl_setopt($ch, CURLOPT_HEADER, 0);  
curl_setopt($ch, CURLOPT_URL,$url);  
//為了支援cookie  
curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookie.txt');  
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);  
$result = curl_exec($ch);

2、通過fsockopen.

fsockopen — 開啟一個網路連線或者一個Unix通訊端連線

$URL=‘http://xxx.xxx.xxx.xx/xx/xxx/top.php';  
$post_data['clientname'] = "test08";  
$post_data['clientpasswd'] = "test08";  
$post_data['submit'] = "ログイン";  
$referrer="";  
// parsing the given URL  
$URL_Info=parse_url($URL);  
// Building referrer  
if($referrer=="") // if not given use this script as referrer  
$referrer=$_SERVER["SCRIPT_URI"];  
   
// making string from $data  
foreach($post_data as $key=>$value)  
$values[]="$key=".urlencode($value);  
   
$data_string=implode("&",$values);  
// Find out which port is needed - if not given use standard (=80)  
if(!isset($URL_Info["port"]))  
$URL_Info["port"]=80;  
// building POST-request:  
$request.="POST ".$URL_Info["path"]." HTTP/1.1n";  
$request.="Host: ".$URL_Info["host"]."n";  
$request.="Referer: $referrern";  
$request.="Content-type: application/x-www-form-urlencodedn";  
$request.="Content-length: ".strlen($data_string)."n";  
$request.="Connection: closen";  
$request.="n";  
$request.=$data_string."n";  
$fp = fsockopen($URL_Info["host"],$URL_Info["port"]);  
fputs($fp, $request);  
while(!feof($fp)) {  
    $result .= fgets($fp, 128);  
}  
fclose($fp);

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