WordPress at a glance
function is not described

wp_get_default_update_php_url() WP 5.1.0

Gets the default URL to learn more about updating the PHP version the site is running on.

Do not use this function to retrieve this URL. Instead, use wp_get_update_php_url() when relying on the URL. This function does not allow modifying the returned URL, and is only used to compare the actually used URL with the default one.

No Hooks.

Return

String. Default URL to learn more about updating PHP.

Usage

wp_get_default_update_php_url();

Changelog

Since 5.1.0 Introduced.

Code of wp_get_default_update_php_url() WP 5.7

<?php
function wp_get_default_update_php_url() {
	return _x( 'https://wordpress.org/support/update-php/', 'localized PHP upgrade information page' );
}