PHP simulates XmlHttpRequest in asp to implement http request code_PHP tutorial

Class name: HttpRequest($url="",$method="GET",$useSocket=0)
//$url is the requested address; the default request method is GET; $useSocket defaults to 0, use the fsockopen method , if set to 1, use the socket_create method

method:
open($ip="",$port=-1) //Open the connection to the same server, these two parameters do not need to be set by default ( When a colleague used Linux, he requested an IP that was not resolved by hostname, so he added these two parameters to connect to the real server IP)
setTimeout($timeout=0) //Set the timeout for obtaining data, It must be set before the send method is called to be effective. The unit is seconds. The default value is 0 for no limit
setRequestHeader($key,$value="") //Set the request header. It must be set before the send method is called to be effective
removeRequestHeader($key,$value="") //Remove the request header of the specified key value. It must be called before the send method is called to be effective
send($data="") //Send data $data to Server
getResponseBody() //Get the text returned by the server
getAllResponseHeaders() //Get all header information of the server response
getResponseHeader($key) //Get a certain header information of the server response, such as Server, Set_Cookie and other

attributes:
$url //URL to be requested
$method //Request method (POST/GET)
$port //Requested port
$hostname //The requested host name
$uri //The file part of the url
$protocol //The request protocol (http) (the above 5 attributes including this attribute are automatically analyzed by the program through the url)
$ excption //Exception information
$_headers=array() //Request header array("key"=>"value")
$_senddata //Data sent to the server
$status //Return Status code
$statusText //Status information
$HttpProtocolVersion //HTTP protocol version of the server

Note:
Host header is automatically set by the program. When requesting with POST method, Content -Length and Content-Type have been set automatically.
Page that supports gzip compression
php_XmlHttpRequest.rar

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