src/Routing/RouteGroup.php
/**
	 * Gets the group's prefix if it has one set, including parent groups' prefixes. If the $uri parameter is supplied,
	 * the prefix is applied to the uri and returned.
	 *
	 * @param string|null $uri
	 * @return string
	 */
Gets the group's prefix if it has one set, including parent groups' prefixes. If the $uri parameter is supplied,
the prefix is applied to the uri and returned.

@param string|null $uri
@return string
Gets the group ' s prefix if it has one set including parent groups ' prefixes . If the $uri parameter is supplied the prefix is applied to the uri and returned . @param string|null $uri @return string
public function prefix($uri = null) {
		$parents = $this->parent ? $this->parent->prefix() : '';
		if (!is_null($uri)) {
			return $parents . $this->property('prefix', '') . $uri;
		}
		return $parents . $this->property('prefix', '');
	}
public function prefix ( $ uri = null ) { $ parents = $ this -> parent ? $ this -> parent -> prefix ( ) : '' ; if ( ! is_null ( $ uri ) ) { return $ parents . $ this -> property ( 'prefix' , '' ) . $ uri ; } return $ parents . $ this -> property ( 'prefix' , '' ) ; }
Gets the group's prefix if it has one set, including parent groups' prefixes.
Gets the group ' s prefix if it has one set including parent groups ' prefixes .