Notices are ignored on session_start() about http HOT 4 CLOSED

Now I don't know if it's better to throw an exception and not start the session, or to trigger notices and start the session?

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The original solution was best for our scenario - we don't want to start the session when it can't get a lock. So, we're preferring to keep the original solution for 3.1.x branch :-) And in the future branch, put session_start() in some overwritable method?

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I believed this sentence: „7.1.0: session_start() now returns false and no longer initializes $_SESSION when it failed to start the session“ https://www.php.net/manual/en/function.session-start.php#refsect1-function.session-start-changelog

I'll revert to the original solution and ask you if you can send issue on bugs.php.net, because session_start() should return false in this case.

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Thanks. I'm not sure, if it's a PHP problem. Maybe I will ask on phpredis first, why notice is raised but session_start returns true.

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