[MDL-75864] Cleaning old sessions from cache raise warnings if no sessions found - Moodle Tracker

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Affected Branches:
MOODLE_311_STABLE, MOODLE_400_STABLE
Pull from Repository:
https://github.com/cbluesprl/moodle
Pull 3.11 Branch:
MOODLE_311_STABLE
Pull 3.11 Diff URL:
https://github.com/moodle/moodle/compare/MOODLE_311_STABLE...cbluesprl:moodle:MDL-75864_311
Pull 4.0 Branch:
MOODLE_400_STABLE
Pull 4.0 Diff URL:
https://github.com/moodle/moodle/compare/MOODLE_400_STABLE...cbluesprl:moodle:MDL-75864_400
Pull 4.1 Branch:
MOODLE_401_STABLE
Pull 4.1 Diff URL:
https://github.com/moodle/moodle/compare/MOODLE_401_STABLE...cbluesprl:moodle:MDL-75864_401
Testing Instructions:

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after $CFG->sessiontimeout seconds without any user logged in on platform, cache_cron_task shouldn't raise warnings

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after $CFG->sessiontimeout seconds without any user logged in on platform, cache_cron_task shouldn't raise warnings

It seems to be rare to occurs but it can occurs, specially on our development and pre-production platforms.

PHP Warning: Invalid argument supplied for foreach() in /var/www/cache/classes/helper.php on line 743

PHP Warning: Invalid argument supplied for foreach() in /var/www/cache/classes/helper.php on line 743

PHP Warning: Invalid argument supplied for foreach() in /var/www/cache/classes/helper.php on line 743

PHP Warning: Invalid argument supplied for foreach() in /var/www/cache/classes/helper.php on line 743

PHP Warning: Invalid argument supplied for foreach() in /var/www/cache/classes/helper.php on line 743

PHP Warning: Invalid argument supplied for foreach() in /var/www/cache/classes/helper.php on line 743

PHP Warning: Invalid argument supplied for foreach() in /var/www/cache/classes/helper.php on line 743

PHP Warning: Invalid argument supplied for foreach() in /var/www/cache/classes/helper.php on line 743

PHP Warning: Invalid argument supplied for foreach() in /var/www/cache/classes/helper.php on line 743

has a non-specific relationship to

MDL-76852 Moodle cache helper always clean all session data

MDL-38565 When a cache store is set to MODE_SESSION it should include the userid in the keys.

Component watchers:: Matteo Scaramuccia, David Woloszyn, Huong Nguyen, Jake Dallimore, Meirza, Michael Hawkins, Raquel Ortega, Safat Shahin, Stevani Andolo