Facebookボタンを押すと、 https://www.facebook.com/v2.12/dialog/oauth?client_id=169871563712763&state=b46c1bf6f3325bcfbf7c11567430d4c5&response_type=code&sdk=php-sdk-5.4.4&redirect_uri=http%3A%2F%2Fpri- .