php发送get、post请求的几种方法

方法1: 用file_get_contents 以get方式获取内容

<?php$url='http://www.domain.com/';$html = file_get_contents($url);echo $html;?>

方法2: 用fopen打开url, 以get方式获取内容

<?php$fp = fopen($url, 'r');//返回请求流信息（数组：请求状态，阻塞，返回值是否为空，返回值http头等）

stream_get_meta_data($fp);

while(!feof($fp)) {$result .= fgets($fp, 1024);}echo "url body: $result";fclose($fp);?>

方法3：用file_get_contents函数,以post方式获取url

<?php$data = array ('foo' => 'bar');

//生成url-encode后的请求字符串，将数组转换为字符串$data = http_build_query($data);$opts = array ('http' => array ('method' => 'POST','header'=> "Content-type: application/x-www-form-urlencoded\r\n" ."Content-Length: " . strlen($data) . "\r\n",'content' => $data));

//生成请求的句柄文件$context = stream_context_create($opts);$html = file_get_contents('http://localhost/e/admin/test.html', false, $context);echo $html;?>

方法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

<?phpfunction 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 $query HTTP/1.1\r\n";$request .= "Host: $url[host]\r\n";$request .= "Connection: Close\r\n";if($cookie) $request.="Cookie:   $cookie\n";$request.="\r\n";fwrite($fp,$request);while()) {$result .= @fgets($fp, 1024);}fclose($fp);return $result;}}//获取url的html部分，去掉headerfunction GetUrlHTML($url,$cookie=false){$rowdata = get_url($url,$cookie);if($rowdata){$body= stristr($rowdata,"\r\n\r\n");$body=substr($body,4,strlen($body));return $body;}    return false;}?>

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

<?phpfunction HTTP_Post($URL,$data,$cookie, $referrer=""){    // parsing the given URL$URL_Info=parse_url($URL);    // Building referrerif($referrer=="") // if not given use this script as referrer$referrer="111";    // making string from $dataforeach($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 ".$URL_Info["path"]." HTTP/1.1\n";$request.="Host: ".$URL_Info["host"]."\n";$request.="Referer: $referer\n";$request.="Content-type: application/x-www-form-urlencoded\n";$request.="Content-length: ".strlen($data_string)."\n";$request.="Connection: close\n";    $request.="Cookie:   $cookie\n";    $request.="\n";$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;}?>

方法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

<?php$ch = curl_init();$timeout = 5;curl_setopt ($ch, CURLOPT_URL, 'http://www.domain.com/');curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);$file_contents = curl_exec($ch);curl_close($ch);echo $file_contents;?>