PHP script to emulate POP3 login & retrieval of email from MS Exchange 2010

I currently has a Cerberus application (it's sort of CRM / Call centre tool).
It uses POP3 to login to a couple of my corporate MS Exchange email
accounts to download those emails & then clear/delete those mails from
the Exchange server.

I won't be allowed to use POP3 soon.  Anyone has any PHP or has some
idea on how to write PHP script to emulate POP3 functionality ie download
& clear away the emails.

Cerberus vendor is not providing the script but they told me it's possible to
write such a PHP script.

At least some attempt to write such a script is appreciated even if the
script did not ultimately work.