Run the SQL version checks.
WP_Site_Health::check_wp_version_check_exists
Test if `wp_version_check` is blocked.
WP_Site_Health::get_test_wordpress_version
Tests for WordPress version and outputs it.
WP_Site_Health::get_test_plugin_version
Test if plugins are outdated, or unnecessary.
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WP_Site_Health::get_test_theme_version
Test if themes are outdated, or unnecessary.
WP_Site_Health::get_test_php_version
Test if the supplied PHP version is supported.
WP_Site_Health::test_php_extension_availability
Check if the passed extension or function are available.
WP_Site_Health::get_test_php_extensions
Test if required PHP modules are installed on the host.
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WP_Site_Health::get_test_php_default_timezone
Test if the PHP default timezone is set to UTC.
WP_Site_Health::can_perform_loopback
Run a loopback test on our site.
WP_Site_Health::maybe_create_scheduled_event
Create a weekly cron event, if one does not already exist.
WP_Site_Health::wp_cron_scheduled_check
Run our scheduled event to check and update the latest site health status for the website.
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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.