Added comments

Also hiding the mail/age if said so by the user

website/public/API/sendMessage.php

@@ -6,12 +6,15 @@ require_once("../../queries/private_message.php");
 require_once("../../queries/checkInput.php");
 require_once("../../queries/user.php");
 
+// Check if the user is allowed to send a message.
 if (isset($_SESSION["userID"]) &&
     getRoleByID($_SESSION["userID"]) != 'frozen' &&
     getRoleByID($_SESSION["userID"]) != 'banned') {
     if (!empty(test_input($_POST["destination"])) &&
         !empty(test_input($_POST["content"]))
     ) {
+        // Send the message.
+        // Returns false when it didn't succeed sending the message.
         if (sendMessage(test_input($_POST["destination"]), test_input($_POST["content"]))) {
             echo 1;
         } else {