wp-includes/https-detection.php:70Checks whether HTTPS is supported for the server and domain.
boolfunction wp_is_https_supported() { $https_detection_errors = get_option( 'https_detection_errors' ); // If option has never been set by the Cron hook before, run it on-the-fly as fallback. if ( false === $https_detection_errors ) { wp_update_https_detection_errors(); $https_detection_errors = get_option( 'https_detection_errors' ); } // If there are no detection errors, HTTPS is supported. return empty( $https_detection_errors );}Introduced in 5.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/https-detection.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.