The façade mode of design patterns in PHP

 ' ;} }//(2) PC Machine class Pcmachine {public Function turnOn () {} public Function turnoff () {echo ' Turn off pcmathion
' ;}} (3) Power off class Power {public Function turnOn () {} public Function turnoff () {echo ' Turn off power
' ;  }}//shutdown of the façade role class Pcfacade implements Facade{private $PcLight; private $Pcmachine; private $Power;         Public Function __construct () {$this->pclight = new Pclight ();         $this->pcmachine = new Pcmachine (); $this->power = new Power ();}          Application of the façade role public function turnoff () {$this->pclight->turnoff ();          $this->pcmachine->turnoff (); $this->power->turnoff (); } public Function TurnOn () {}}//applies $button = new Pcfacade (); $button->turnoff (); /* In fact, the façade mode is to put several subsystems (instances or classes.) Unified a unified interface to perform, the client does not care about the subsystem, only with the façade can be

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