Test if WordPress can run automated background updates.
WP_Site_Health::get_test_loopback_requests
Test if loopbacks work as expected.
WP_Site_Health::get_test_http_requests
Test if HTTP requests are blocked.
WP_Site_Health::get_test_rest_availability
Test if the REST API is accessible.
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WP_Site_Health::get_tests
Return a set of tests that belong to the site status page.
WP_Site_Health::admin_body_class
Add a class to the body HTML tag.
WP_Site_Health::wp_schedule_test_init
Initiate the WP_Cron schedule test cases.
WP_Site_Health::get_cron_tasks
Populate our list of cron events and store them to a class-wide variable.
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WP_Site_Health::has_missed_cron
Check if any scheduled tasks have been missed.
WP_Site_Health::can_perform_loopback
Run a loopback test on our site.
WP_Site_Health_Auto_Updates::test_all_files_writable
Check if core files are writable by the web user/group.
WP_Site_Health::get_test_is_in_debug_mode
Test if debug information is enabled.
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WP_Site_Health_Auto_Updates::test_accepts_dev_updates
Check if the install is using a development branch and can use nightly packages.
WP_Site_Health::get_test_https_status
Test if your site is serving content over HTTPS.
WP_Site_Health_Auto_Updates::test_accepts_minor_updates
Check if the site supports automatic minor updates.