name = $name;    }     public function eat(){        echo $this->name."吃钣";    }}class Mother implements Person{    private $baby;    public function __construct($baby){        $this->baby = $baby;    }     private function eatBefor(){        echo "吃之前";    }     private function eatAfter(){        echo "吃之后";    }  public function eat(){     $this->eatBefor();     $this->baby->eat();     $this->eatAfter(); }}//适配器模式interface TypeA{    public function insert();}interface TypeB{    public function connect();}class TypeAimpl implements TypeA{    public function insert(){        echo "Start insert
";    }}class TypeBimpl implements TypeB{    public function connect(){        echo "Start connect
";    }}class createA{    private $typeA;    public function __construct($typeA){        $this->typeA = $typeA;    }    public function dotypeA(){       echo "other...things
";       $this->typeA->insert();   }}class Adapter implements TypeA{    private $typeB;    public function __construct($typeB){        $this->typeB = $typeB;    }    public function insert(){        $this->typeB->connect();    }}$typeAimpl = new TypeAimpl();$typeBimpl = new TypeBimpl();$Adapter = new Adapter($typeBimpl);$createA = new createA($typeAimpl);$createB = new createA($Adapter);$createA->dotypeA();$createB->dotypeA();