WordPress at a glance
function is not described

wp_is_site_url_using_https() WP 5.7.0

Checks whether the current site's URL where WordPress is stored is using HTTPS.

This checks the URL where WordPress application files (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.

Hooks from the function
Return

true|false. True if using HTTPS, false otherwise.

Usage

wp_is_site_url_using_https();

Notes

  • See: site_url()

Changelog

Since 5.7.0 Introduced.

Code of wp_is_site_url_using_https() WP 5.7.2

<?php
function wp_is_site_url_using_https() {
	// Use direct option access for 'siteurl' and manually run the 'site_url'
	// filter because `site_url()` will adjust the scheme based on what the
	// current request is using.
	/** This filter is documented in wp-includes/link-template.php */
	$site_url = apply_filters( 'site_url', get_option( 'siteurl' ), '', null, null );

	return 'https' === wp_parse_url( $site_url, PHP_URL_SCHEME );
}