http_request

public function http_request( $url, $post = '', $timeout = 5 ){     
        if( empty( $url ) ){
            return ;
        }
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        
        if( $post != '' && !empty( $post )  ){
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
            curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json', 'Content-Length: ' . strlen($post)));
        }
        curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
        $result = curl_exec($ch);
        curl_close($ch);
        return $result;
    }