Solve bug when emails were marked for deletion but not added to deck

index.php

@@ -10,7 +10,11 @@ use Mail2Deck\ConvertToMD;
 $inbox = new MailClass();
 $emails = $inbox->getNewMessages();
 
-if(!$emails) return; // nothing to do
+if(!$emails) {
+    // delete all messages marked for deletion and return
+    $inbox->expunge();
+    return;
+}
 
 for ($j = 0; $j < count($emails) && $j < 5; $j++) {
     $structure = $inbox->fetchMessageStructure($emails[$j]);

lib/MailClass.php

@@ -80,15 +80,22 @@ class MailClass {
     }
 
     /**
-     * Deletes a mail
+     * Mark emails for deletion
      * 
-     * @param $email email id that you want to delete
+     * @param $email email number that you want to delete
      * 
      * @return void
      */
     public function delete(int $email)
     {
-        imap_delete($this->inbox, $email);
+        imap_delete($this->inbox, imap_uid($this->inbox, $email), FT_UID);
+    }
+
+    /**
+     * Delete all messages marked for deletion
+     */
+    public function expunge()
+    {
         imap_expunge($this->inbox);
     }
 }