userAttributes`" . " ON `wkParticipo_user<=>userAttributes`.`userId` = `wkParticipo_Users`.`id`" . " WHERE `wkParticipo_user<=>userAttributes`.`attributeId` = 4". " ORDER BY `wkParticipo_Users`.`id` ASC;"; $wkSqlResponse = dbConnector::query($wkSqlQuery); // Postprocessing // - convert the comma separated list into an array foreach ($wkSqlResponse as &$user) { $user["eMail"] = explode(",", $user["eMail"]); foreach ($user["eMail"] as &$email) { $email = trim($email); } } return $wkSqlResponse; } authorize(); $wkSqlResponse = get(); // Sending Response // - setting header header("Content-Type: application/json"); // - sending body payload echo json_encode($wkSqlResponse);