protected function _url( $args, $callback ) {
		foreach ( $args as $obj_id ) {
			$object = $this->fetcher->get_check( $obj_id );
			WP_CLI::line( $callback( $object->{$this->obj_id_key} ) );
		}
	}
protected function _url( $args, $callback ) {
		foreach ( $args as $obj_id ) {
			$object = $this->fetcher->get_check( $obj_id );
			WP_CLI::line( $callback( $object->{$this->obj_id_key} ) );
		}
	}
protected function _url ( $ args , $ callback ) { foreach ( $ args as $ obj_id ) { $ object = $ this -> fetcher -> get_check ( $ obj_id ) ; WP_CLI :: line ( $ callback ( $ object -> { $ this -> obj_id_key } ) ) ; } }
Given a callback, display the URL for one or more objects.

@param array $args One or more object references.
@param string $callback Function to get URL for the object.
Given a callback display the URL for one or more objects .