Auto login from one php application into another php application with same user / pass combination

Hi Experts

Have an odd request to get done.  I have two applications, one in normal php (property application) and other in framework codeigniter (support application).  I need a way to be able to login from property app into support application automatically once logged into Property application.  Hope that makes...

When i click a link "support", goes to external application, and will prompt to login.  The same login credentials exist on both applications..and what needs to happen is some kind of login process based on the session from property app...that way a user would not have to login again..

Is this possible?
Kasonde NeddyDesigner & DeveloperAsked:
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ste5anSenior DeveloperCommented:
Use OAuth with an OAuth server like e.g. league/oauth2-server.

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Kasonde NeddyDesigner & DeveloperAuthor Commented:

I have been offline here...thanks for the feedback
Kasonde NeddyDesigner & DeveloperAuthor Commented:
Thanks..this has pointed me in the right direction!
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