Deprecated: Facebook\FacebookApp implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /home/opapshop/public_html/___fblogin/vendor/facebook/php-sdk-v4/src/Facebook/FacebookApp.php on line 29

Deprecated: http_build_query(): Passing null to parameter #2 ($numeric_prefix) of type string is deprecated in /home/opapshop/public_html/___fblogin/vendor/facebook/php-sdk-v4/src/Facebook/Authentication/OAuth2Client.php on line 146
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