总结PHP的6种GET和POST远程请求发送方法

时间：2022-06-24 17:12:22 编辑：袖梨来源：一聚教程网

1、用file_get_contents 以get方式获取内容：

代码如下	复制代码
$url='http://www.ido321.com/'; $html = file_get_contents($url); echo $html; ?>

2、用fopen打开url，用get方式获取

代码如下	复制代码
$fp = fopen($url, 'r'); stream_get_meta_data($fp); while(!feof($fp)) { $result .= fgets($fp, 1024); } echo "url body: $result"; fclose($fp);

3、用file_get_contents 以post方式获取内容：

代码如下	复制代码
$data = array ('foo' => 'bar'); $data = http_build_query($data); $opts = array ( 'http' => array ( 'method' => 'POST', 'header'=> "Content-type: application/x-www-form-urlencodedrn" . 'Content-Length: ' . strlen($data) . 'rn', 'content' => $data ) ); $context = stream_context_create($opts); $html = file_get_contents('http://localhost/e/admin/test.html', false, $context); echo $html;

4、用fsockopen函数打开url，以get方式获取完整的数据，包括header和body,fsockopen需要 PHP.ini 中 allow_url_fopen 选项开启

代码如下

复制代码

function get_url ($url,$cookie=false)
{
$url = parse_url($url);
$query = $url[path].'?'.$url[query];
echo 'Query:'.$query;
$fp = fsockopen( $url[host], $url[port]?$url[port]:80 , $errno, $errstr, 30);
if (!$fp) {
return false;
} else {
$request = 'GET $query HTTP/1.1rn';
$request .= 'Host: $url[host]rn';
$request .= 'Connection: Closern';
if($cookie) $request.='Cookie: $cookien';
$request.='rn';
fwrite($fp,$request);
while(!@feof($fp)) {
$result .= @fgets($fp, 1024);
}
fclose($fp);
return $result;
}
}
//获取url的html部分，去掉header
function GetUrlHTML($url,$cookie=false)
{
$rowdata = get_url($url,$cookie);
if($rowdata)
{
$body= stristr($rowdata,'rnrn');
$body=substr($body,4,strlen($body));
return $body;
}

return false;
}

5、用fsockopen函数打开url，以POST方式获取完整的数据，包括header和body

代码如下

复制代码

function HTTP_Post($URL,$data,$cookie, $referrer='')
{

// parsing the given URL
$URL_Info=parse_url($URL);

// Building referrer
if($referrer=='') // if not given use this script as referrer
$referrer='111';

// making string from $data
foreach($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: $referern";
$request.="Content-type: application/x-www-form-urlencodedn";
$request.='Content-length: '.strlen($data_string)."n";
$request.='Connection: closen';

$request.='Cookie: $cookien';

$request.='n';
$request.=$data_string.'n';

$fp = fsockopen($URL_Info['host'],$URL_Info['port']);
fputs($fp, $request);
while(!feof($fp)) {
$result .= fgets($fp, 1024);
}
fclose($fp);

return $result;
}

6、使用curl库，使用curl库之前，可能需要查看一下php.ini是否已经打开了curl扩展

代码如下	复制代码
$ch = curl_init(); $timeout = 5; curl_setopt ($ch, CURLOPT_URL, ‘http://www.ido321.com/'); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout); $file_contents = curl_exec($ch); curl_close($ch); echo $file_contents;

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