allow_subdirectory_install filter-hook . WP 3.0.0

Filters whether to enable the subdirectory installation feature in Multisite.

Usage

add_filter( 'allow_subdirectory_install', 'filter_function_name_2030' );
function filter_function_name_2030( $allow ){
	// filter...

	return $allow;
}

$allow(true/false)

Whether to enable the subdirectory installation feature in Multisite.
Default: false

Where the hook is called

if ( apply_filters( 'allow_subdirectory_install', false ) ) {

Where the hook is used (in WP core)