i installed plugin in local system and it's work fine. but when i try to activate it on server it get following error: Parse error: syntax error, unexpected '[' in /var/www/vhosts/roozbahan.com/httpdocs/wp-content/plugins/openid-connect-sso-by-gluu/gluu_openid_oxd_settings.php on line 109 witch is point to this code $config_option = array( "oxd_host_port" =>8099, "authorization_redirect_uri" => site_url().'/index.php?option=oxdOpenId', "logout_redirect_uri" => site_url().'/index.php?option=allLogout', "scope" => [ "openid", "profile","email"], "application_type" => "web", "redirect_uris" => [ site_url().'/index.php?option=oxdOpenId' ], "response_types" => ["code"], "grant_types" =>["authorization_code"], "acr_values" => [] ); it's look like that php got error on creating array on params