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<?php namespace W3TC; class Cdnfsd_Util { static public function engine_name( $engine ) { return $engine; } static public function get_suggested_home_ip() { $ip = gethostbyname( Util_Environment::home_url_host() ); // check if it resolves to local IP, means host cant know its real IP if ( substr( $ip, 0, 4 ) == '127.' || substr( $ip, 0, 3 ) == '10.' || substr( $ip, 0, 8 ) == '192.168.' ) return ''; return $ip; } }