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我正在關注本教程HybridAuth Faceboook Authentication。HybridAuth不給用戶電子郵件，年齡或語言
但它只給我顯示名稱字段。其他字段爲空且爲空。爲什麼是這樣，我怎樣才能得到他們的價值觀？
object(Hybrid_User_Profile)#10 (24) { ["identifier"]=> string(16) "148108450885555" ["webSiteURL"]=> string(0) "" ["profileURL"]=> string(0) "" ["photoURL"]=> string(72) "https://graph.facebook.com/1481084508875555/picture?width=150&height=150" ["displayName"]=> string(17) "User Name" ["description"]=> string(0) "" ["firstName"]=> string(0) "" ["lastName"]=> string(0) "" ["gender"]=> string(0) "" ["language"]=> string(0) "" ["age"]=> NULL ["birthDay"]=> NULL ["birthMonth"]=> NULL ["birthYear"]=> NULL ["email"]=> string(0) "" ["emailVerified"]=> string(0) "" ["phone"]=> NULL ["address"]=> NULL ["country"]=> NULL ["region"]=> string(0) "" ["city"]=> NULL ["zip"]=> NULL ["username"]=> string(0) "" ["coverInfoURL"]=> string(269) "https://graph.facebook.com/1481084508878224?fields=cover&access_token=CAAVE8ueaRqUBAMXgmDAVCPbNvMdJfDNMWfJNhnf5M9laaGlZCyVKoa4DcnsbkmoFqTImZBsfZAgHIh4fNEwxATQ9JJ6aDk8nUJKRCOVBJuEaxDkSDciSkm0ZA1dCMxm4wZAInZAZC01E6H6DaRCUysPN2fuNf7tZAt00ZCYKcDoVeBfIFIEsZD" }