wp-includes/update.php:1083Schedules the removal of all contents in the temporary backup directory.
function wp_delete_all_temp_backups() { /* * Check if there is a lock, or if currently performing an Ajax request, * in which case there is a chance an update is running. * Reschedule for an hour from now and exit early. */ if ( get_option( 'core_updater.lock' ) || get_option( 'auto_updater.lock' ) || wp_doing_ajax() ) { wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_delete_temp_updater_backups' ); return; } // This action runs on shutdown to make sure there are no plugin updates currently running. add_action( 'shutdown', '_wp_delete_all_temp_backups' );}Introduced in 6.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/update.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.