php curl function

<?php

namespace app\common\library;
class Curl {

    private $cookie_file;  // 设置Cookie文件保存路径及文件名   
    private $cookie;

    function __construct($cookie = false,$cookie_file = '') {
        $this->cookie = $cookie;
        if($this->cookie == true){
            $this->cookie_file = $cookie_file;    
        } 
    }



    function get($url) { // analog function content acquired       
       $ curl = curl_init (); // start a session CURL       
        curl_setopt ($ curl, CURLOPT_URL, $ url); // be accessed address                   
        curl_setopt ( $ curl , CURLOPT_SSL_VERIFYPEER, 0); // checking the certificate of origin       
        curl_setopt ( $ curl , CURLOPT_SSL_VERIFYHOST, 0); // check the certificate in the presence or absence of SSL encryption       
        curl_setopt ( $ curl , CURLOPT_USERAGENT, $ _SERVER [ 'the HTTP_USER_AGENT']); // simulated users browsing an   
IF ( the ini_get ( 'open_basedir') == '' && the ini_get ( 'safe_mode' == 'Off' )) {        
        curl_setopt ( $ curl , CURLOPT_FOLLOWLOCATION,. 1); // Use automatically jump 
}         
        curl_setopt ( $ curl , CURLOPT_AUTOREFERER,. 1); // automatically set the Referer       
        curl_setopt ( $ curl , CURLOPT_HTTPGET,. 1); // send a request for a conventional Post       
        IF ( $ the this -> == Cookie to true ) curl_setopt ( $ curl , CURLOPT_COOKIEFILE, $ the this -> cookie_file); // read the above information stored in the Cookie       
        curl_setopt ($ curl, CURLOPT_TIMEOUT, 30 ); // set the timeout limit prevent infinite loop      
        curl_setopt ( $ curl , CURLOPT_HEADER, 0); // Header content display area is returned       
        curl_setopt ($ curl, CURLOPT_RETURNTRANSFER, 1 ); // acquired information returned as stream file      
         $ tmpInfo = curl_exec ($ curl) ; // perform the operation       
        if ( curl_errno ($ curl)) { 
            echo 'Errno' curl_error ($ curl);. 
        } 
        curl_close ($ curl); // close cURL session       
        return $ tmpInfo; // return data      
     } 

    function POST ( $ URL , $ data ) { / / analog data submission function       
        $ curl = curl_init (); // start a session cURL       
        curl_setopt ( $ curl , CURLOPT_URL to, $ URL ); // to access the address                  
        curl_setopt ( $ curl , CURLOPT_SSL_VERIFYPEER, 0); // for inspection certificate sources       
        curl_setopt ( $ curl , CURLOPT_SSL_VERIFYHOST, 0); // Check whether there SSL encryption certificate from       
        curl_setopt ( $ curl , CURLOPT_USERAGENT, $ _SERVER [ ' the HTTP_USER_AGENT ']); // simulated user's browser       
IF ( the ini_get (' open_basedir ') ==' '&& the ini_get (' safe_mode '==' Off ' )) {         
        curl_setopt ( $ curl , CURLOPT_FOLLOWLOCATION,. 1); / / use automatically jump 
} curl_setopt ( $ curl, CURLOPT_AUTOREFERER,. 1); // automatically set the Referer       
        curl_setopt ( $ curl , CURLOPT_POST,. 1); // send a request conventional Post       
        curl_setopt ( $ curl , CURLOPT_POSTFIELDS, $ Data ); // packet submitted Post       
        IF ( $ the this -> == Cookie to true ) curl_setopt ( $ curl , CURLOPT_COOKIEFILE, $ the this -> cookie_file); // read the above information stored in the Cookie       
        curl_setopt ( $ curl , CURLOPT_TIMEOUT, 30); // set the timeout limits prevent infinite loop       
        curl_setopt ( $ curl, CURLOPT_HEADER, 0); // Header content display area is returned       
        curl_setopt ( $ curl , CURLOPT_RETURNTRANSFER,. 1); // acquired information returned as stream file       
        $ tmpInfo = the curl_exec ( $ curl ); // perform the operation       
        IF ( curl_errno ( $ curl )) {
             echo 'Errno' curl_error (. $ curl ); 
        } 
        curl_close ( $ curl ); // key cURL session       
        return  $ tmpInfo ; // return data       
    } 

    function delcookie ( $ cookie_file ) {// delete the Cookie function       
        @ unlink ( $ cookie_file ); // delete       
    } 

}

Rookie Tutorial:  https://www.runoob.com/php/php-ref-curl.html