wordpress-develop Check that `cache_enabled` property exists

Check that cache_enabled property exists on object cache object.

Trac ticket: https://core.trac.wordpress.org/ticket/61675

This Pull Request is for code review only. Please keep all other discussion in the Trac ticket. Do not merge this Pull Request. See GitHub Pull Requests for Code Review in the Core Handbook for more details.

Jul 17 '24 13:07 todeveni

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Props skithund, debarghyabanerjee, tillkruess, audrasjb, spacedmonkey.

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Jul 17 '24 13:07 github-actions[bot]

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Jul 17 '24 13:07 github-actions[bot]

@spacedmonkey Can we get this merged?