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function is not described

wp_replace_insecure_home_url() WP 5.7.0

Replaces insecure HTTP URLs to the site in the given content, if configured to do so.

This function replaces all occurrences of the HTTP version of the site's URL with its HTTPS counterpart, if determined via wp_should_replace_insecure_home_url().

No Hooks.

Return

String. Filtered content.

Usage

wp_replace_insecure_home_url( $content );
$content(string) (required)
Content to replace URLs in.

Changelog

Since 5.7.0 Introduced.

Code of wp_replace_insecure_home_url() WP 5.7.2

<?php
function wp_replace_insecure_home_url( $content ) {
	if ( ! wp_should_replace_insecure_home_url() ) {
		return $content;
	}

	$https_url = home_url( '', 'https' );
	$http_url  = str_replace( 'https://', 'http://', $https_url );

	// Also replace potentially escaped URL.
	$escaped_https_url = str_replace( '/', '\/', $https_url );
	$escaped_http_url  = str_replace( '/', '\/', $http_url );

	return str_replace(
		array(
			$http_url,
			$escaped_http_url,
		),
		array(
			$https_url,
			$escaped_https_url,
		),
		$content
	);
}