minimum_site_name_length filter-hook . WP 4.8.0

Filters the minimum site name length required when validating a site signup.

Usage

add_filter( 'minimum_site_name_length', 'filter_function_name_599' );
function filter_function_name_599( $length ){
	// filter...

	return $length;
}

$length(int)

The minimum site name length.
Default: 4

Where the hook is called

$minimum_site_name_length = apply_filters( 'minimum_site_name_length', 4 );

Where the hook is used (in WP core)