PHP Strategy Pattern example

Strategy pattern

<?Php

/**
 *  Create the INTERFACE
 **/
 
interface CharacterInterface{
    public function attack();
    public function dodge();
    public function heal();
}

abstract CharacterAbstract implements CharacterInterface{
    public function attack();
    public function dodge();
    public function heal();
}

/* Concrete CLASS */
class Archer extends Character{
    
    protected $_hp;
    
    public function attack()
    {
        return 100;
    }
    
    public function dodge()
    {
        return 'miss';
    }
    
    public function heal()
    {
        return $this->hp + 100;
    }
}

/* Concrete CLASS */
class Warrior extends CharacterAbstract{
    
    protected $_hp;
    
    public function attack()
    {
        return 150;
    }
    
    public function dodge()
    {
        return 'miss';
    }
    
    public function heal()
    {
        return $this->hp + 100;
    }
}

/** CLient Class **/
class Character{
    protected $character;
    public function __construct(CharacterAbstract $character){
        $this->character = new $character();
    }
}


/** Implementation  **/

$archer = new Character( 'Archer' );
$archer->attack();
$archer->dodge();
$archer->heal();