WordPress at a glance
filter is not described

wp_direct_php_update_url filter-hook . WP 5.1.1

Filters the URL for directly updating the PHP version the site is running on from the host.

Usage

add_filter( 'wp_direct_php_update_url', 'filter_function_name_7098' );
function filter_function_name_7098( $direct_update_url ){
	// filter...

	return $direct_update_url;
}
$direct_update_url(string)
URL for directly updating PHP.

Where the hook is called

wp_get_direct_php_update_url()
wp_direct_php_update_url
wp-includes/functions.php 6859
$direct_update_url = apply_filters( 'wp_direct_php_update_url', $direct_update_url );

Where the hook is used (in WP core)

Does not used.