PHPJunkyard support forum

Script URL: /inc/mail/hesk_pop3.php
Version of script: 311
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php 7.2

Warning: count(): Parameter must be an array or an object that implements Countable in /home/***********/inc/mail/mime_parser.php on line 2186

rolled back php to 7.1, the error is gone, but clones tickets still produce from mail

The PHP warning shows up in a third-party library but can be ignored and should be gone when you turn Debug mode off in Hesk settings > Help desk tab.

As for duplicates - Hesk will process mail that your server sends. There's no way to mark emails as "read" in POP3 protocol so if your server keeps sending the same emails, Hesk will keep processing them.

The solution would be to:

1. switch to IMAP fetching instead (recommended; Hesk will only fetch unread messages from the mailbox), or
2. turn "Keep a copy" setting OFF in your Hesk POP3 fetching settings to make sure Hesk deletes emails from the mailbox after processing them