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PHP:6种GET和POST请求发送方法_php

php 搞代码 3年前 (2018-06-21) 125次浏览 已收录 0个评论

PHP:6种GET和POST请求发送方法

在i94web博客中,我试过了畅言和多说两种社会化评论框,后来还是抛弃了畅言,不安全。

无论是畅言还是多说,我都需要从远程抓取文章的评论数,然后存入本地数据库。对于多说,请求的格式如下:

// 获取评论次数,参数是文章ID
function getCommCount($postid)
{
    $jsondata = file_get_contents("http://api.duoshuo.com/threads/counts.json?short_name=i94web&threads=$postid"); // 设置true返回数组,不设置或者是false则返回对象 $resjson= json_decode($jsondata,true); return $resjson[‘response’][$postid][‘comments’];
}

对于远程请求,有很多种方法。今天,LZ就搜罗了六种,供大家参考。

1、用file_get_contents 以get方式获取内容:

<?php
$url=http://www.ido321.com/&#8217;;

http://www.gaodaima.com/51694.htmlPHP:6种GET和POST请求发送方法_php

$html = file_get_contents($url);
echo $html;
?>

2、用fopen打开url,用get方式获取

$fp = fopen($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:

$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&#8217;, false, $context); echo $html;

    4、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

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,$request);
while([email protected]($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

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

$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;

 

欢迎大家阅读《PHP:6种GET和POST请求发送方法_php》,跪求各位点评,若觉得好的话请收藏本文,by 搞代码


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