facebook php sdk "SSL certificate problem" 解法

使用 facebook php sdk時
有些機器會出現
SSL certificate problem 的錯誤訊息
只要加上以下二行即可
Facebook::$CURL_OPTS[CURLOPT_SSL_VERIFYPEER] = false;
Facebook::$CURL_OPTS[CURLOPT_SSL_VERIFYHOST] = 2;

範例:

include('inc/facebook.php');
$facebook = new Facebook(
    array(
    'appId'  => $facebook_app_key,
    'secret' => $facebook_app_secret,
    'cookie' => true,
    )
);
Facebook::$CURL_OPTS[CURLOPT_SSL_VERIFYPEER] = false;
Facebook::$CURL_OPTS[CURLOPT_SSL_VERIFYHOST] = 2;