command /ping [<player>]:
	trigger:
		if arg-1 is set:
			set {_ping} to arg-1's ping
			send "&b%arg-1%さんのPing: %{_ping}%"
		if arg-1 is not set:
			set {_ping} to player's ping
			send "&b%arg-1%さんのPing: %{_ping}%"