How to use curl to set header parameters in PHP

php curl method to set header: first initialize the browser; then set up the browser, and pass the parameter url to the browser settings; then return it to the browser in the form of a string, and determine whether the data There is data; finally, set the header through the "curl_setopt" method.

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PHP uses CURL to set header header parameters and set Content-Type: Background data reception of application/json type

CURL function

public function CurlRequest($url,$data=null,$header=null){ 　　//初始化浏览器 　　$ch = curl_init(); 　　//设置浏览器，把参数url传到浏览器的设置当中 　　curl_setopt($ch, CURLOPT_URL, $url); 　　//以字符串形式返回到浏览器当中 　　curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 　　//禁止https协议验证域名，0就是禁止验证域名且兼容php5.6 　　curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); 　　//禁止https协议验证ssl安全认证证书 　　curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 　　//判断data是否有数据，如果有data数据传入那么就把curl的请求方式设置为POST请求方式 　　if ( !empty($data) ) { 　　　　//设置POST请求方式 　　　　@curl_setopt($ch, CURLOPT_POST, true); 　　　　//设置POST的数据包 　　　　@curl_setopt($ch, CURLOPT_POSTFIELDS, $data); 　　} 　　//设置header头 　　if ( !empty($header) ) { 　　　　curl_setopt($ch, CURLOPT_HTTPHEADER, $header); 　　} 　　//让curl发起请求 　　$str = curl_exec($ch); 　　//关闭curl浏览器 　　curl_close($ch); 　　//把请求回来的数据返回 　　return $str; }

Function call

$url = "http://desk.yunindex.cn/test"; $jsonArr = [ 　　'accountid' => '34', 　　'option' => 'chat_index', ]; $jsonStr = json_encode($jsonArr);　　//设置了Content-Type: application/json，传参要转化为JSON，否则后台接收不到数据 //header头设置 $headers = array( 　　"Content-Type: application/json", 　　"Content-Length: " . strlen($jsonStr) . "", 　　"Accept: application/json", 　　"client-id:5K8264ILTKCH16CQ2502SI8ZNMTM67VS",　　　　//自定义参数 　　"client-secret:C380BEC2BFD727A4B6845133519F3AD6"　　//自定义参数 ); $data = $this->CurlRequest($url,$jsonStr,$headers);

Background acceptance

json_encode($_SERVER)　　

Use $_SERVER to receive the header Information, the custom parameters set in the header will be reflected here

Result

{ "USER": "www", "HOME": "\/home\/www", "HTTP_CLIENT_SECRET": "C380BEC2BFD727A4B6845133519F3AD6",　　　　　　　//这是自定义的参数，跟上面传的参数相对于，会自动转化为大写跟下划线 "HTTP_CLIENT_ID": "5K8264ILTKCH16CQ2502SI8ZNMTM67VS",　　　　　　　　　 //这是自定义的参数，跟上面传的参数相对于，会自动转化为大写跟下划线 "HTTP_ACCEPT": "application\/json",　　 "HTTP_CONTENT_LENGTH": "40", "HTTP_CONTENT_TYPE": "application\/json", "HTTP_HOST": "desk.yunindex.cn", "SCRIPT_FILENAME": "\/workspace\/php\/index_desk\/htdocs\/index.php", "REDIRECT_STATUS": "200", "SERVER_NAME": "desk.yunindex.cn", "SERVER_PORT": "80", "SERVER_ADDR": "192.168.1.90", "REMOTE_PORT": "64524", "REMOTE_ADDR": "192.168.1.113", "SERVER_SOFTWARE": "nginx\/1.15.2", "GATEWAY_INTERFACE": "CGI\/1.1", "REQUEST_SCHEME": "http", "SERVER_PROTOCOL": "HTTP\/1.1", "DOCUMENT_ROOT": "\/workspace\/php\/index_desk\/htdocs", "DOCUMENT_URI": "\/index.php", "REQUEST_URI": "\/test", "SCRIPT_NAME": "\/index.php", "CONTENT_LENGTH": "40", "CONTENT_TYPE": "application\/json", "REQUEST_METHOD": "POST", "QUERY_STRING": "", "FCGI_ROLE": "RESPONDER", "PHP_SELF": "\/index.php", "REQUEST_TIME_FLOAT": 1557025085.410574, "REQUEST_TIME": 1557025085 }

There is a problem here. If you are using nginx, if the parameters in the header are underlined (such as: client_secret), it seems that the parameter cannot be received when using $_SERVER. You need to configure nginx.conf and add underscores_in_headers on; configure

file_get_contents('php://input')

to receive parameters and receive them in the form of a stream

result

string(40) "{"accountid":"34","option":"chat_index"}"

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