twitter - how to set the oauth_verifier in the header twitteroauth php -

i'm getting following error:

error processing oauth request: invalid oauth_verifier parameter

i keep reading issue in library twitteroauth abraham need set oauth_verifier in header , not body.

i don't know how this.

here code:

// twitterlogin.php

session_start(); $twitterkey = 'xxx'; $twittersecret = 'xxx'; $callback = "https://xxx/socialmedia/twittercallback.php";  require_once("/xxx/twitteroauth/vendor/autoload.php"); use abraham\twitteroauth\twitteroauth;  $twitter = new twitteroauth($twitterkey,$twittersecret); $result = $twitter->oauth('oauth/request_token', ['oauth_callback' => $callback]); $_session['oauth_token'] = $result['oauth_token']; $_session['oauth_token_secret'] = $result['oauth_token_secret']; $url = $twitter->url('oauth/authorize', array('oauth_token' => $result['oauth_token'])); header("location: $url"); 

// twittercallback.php

session_start(); require_once("/xxx/api"); $twitterkey = 'xxx'; $twittersecret = 'xxx'; require_once("/xxx/twitteroauth/vendor/autoload.php"); $twitter = new \abraham\twitteroauth\twitteroauth($twitterkey,$twittersecret,$_session['oauth_token'],$_session['oauth_token_secret']);  try {  $access_token = $twitter->oauth("oauth/access_token", ["oauth_verifier" => $_get['oauth_verifier']]);  $_session['access_token'] = $access_token; } catch(\exception $e){  print "<pre>".print_r($e,true)."</pre>"; } var_dump($access_token); 

how set oauth_verifier in header?

thanks!