php发送get、post请求的6种方法简明总结
方法1:用file_get_contents以get方式获取内容:
<?php $url='https://www.nhooo.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'); stream_get_meta_data($fp); while(!feof($fp)){ $result.=fgets($fp,1024); } echo“urlbody:$result”; fclose($fp); ?>
方法3:用file_get_contents函数,以post方式获取url
<?php $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$html; ?>
方法4:用fsockopen函数打开url,以get方式获取完整的数据,包括header和body,fsockopen需要PHP.ini中allow_url_fopen选项开启
<?php functionget_url($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){ returnfalse; }else{ $request=“GET$queryHTTP/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 functionGetUrlHTML($url,$cookie=false) { $rowdata=get_url($url,$cookie); if($rowdata) { $body=stristr($rowdata,”rnrn”); $body=substr($body,4,strlen($body)); return$body; } returnfalse; } ?>
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
<?php functionHTTP_Post($URL,$data,$cookie,$referrer=”") { //parsingthegivenURL $URL_Info=parse_url($URL); //Buildingreferrer if($referrer==”")//ifnotgivenusethisscriptasreferrer $referrer=”111″; //makingstringfrom$data foreach($dataas$key=>$value) $values[]=”$key=”.urlencode($value); $data_string=implode(“&”,$values); //Findoutwhichportisneeded–ifnotgivenusestandard(=80) if(!isset($URL_Info["port"])) $URL_Info["port"]=80; //buildingPOST-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; } ?>
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,‘https://www.nhooo.com/'); curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout); $file_contents=curl_exec($ch); curl_close($ch); echo$file_contents; ?>