'authorization_code', 'code' => $_GET['code'], 'redirect_uri' => 'https://fengyuexingzi.top/auth/linkedin', 'client_id' => '81cc4t9fuu9bpu', 'client_secret' => 'GdY3ZO8LAHn8y4tX', ); $ch = init($url); curl_setopt($ch,CURLOPT_POST,true); curl_setopt($ch, CURLOPT_POSTFIELDS, build_query($data)); curl_setopt($ch, CURLOPT_TRANSFERTEXT, true); curl_setopt($ch, CURLOPT_TIMEOUT, 5); curl_setopt($ch, CURLOPT_HEADER, false); $result = curl_exec($ch); $info = curl_getinfo($ch); curl_close($ch); print_r($info); var_dump($result);