index.php

<?php

/**
 * Design pattern "Adapter/Wrapper" (Structural)
 * This is demo code
 * See for details: http://maxsite.org/page/php-patterns
 */

/**
 * ClassA 
 */
class ClassA
{
    public function methodA()
    {
        echo 'ClassA methodA<br>';
    }
}

/**
 * ClassB 
 */
class ClassB
{
    public function methodB()
    {
        echo 'ClassB methodB<br>';
    }
}

/**
 * Base Adapter Interface
 */
interface AdapterInterface
{
    public function commonMethod();
}

/**
 * Adapter for ClassA
 */
class AdapterA implements AdapterInterface
{
    protected $class;

    public function __construct()
    {
        $this->class = new ClassA();
    }

    public function commonMethod()
    {
        return $this->class->methodA();
    }
}

/**
 * Adapter for ClassB
 */
class AdapterB implements AdapterInterface
{
    protected $class;

    public function __construct()
    {
        $this->class = new ClassB();
    }

    public function commonMethod()
    {
        return $this->class->methodB();
    }
}

/**
 * demo
 */

/**
 * create adapter's
 */
$adapter1 = new AdapterA();
$adapter2 = new AdapterB();

/**
 * run 
 */
$adapter1->commonMethod(); // ClassA methodA
$adapter2->commonMethod(); // ClassB methodB


# end of file