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Get Weather - Step 6 - More encapsulation - controlling access

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  1. //dealing with encapsulation....
  2. class MemCache{
  3.  
  4. 	private $mem;
  5.  
  6. 	public function MemCache(){
  7. 		//some intitialization here...
  8. 		$this->mem = array();
  9. 	}
  10.  
  11. 	public function get($key){
  12. 		if (!array_key_exists($key, $this->mem))
  13. 			return $this->mem[$key];
  14.  
  15. 		//else
  16. 		echo "Huston we have a problem!";
  17. 	}
  18.  
  19. 	public function set($key, $val){
  20. 		if (array_key_exists($key, $this->mem))
  21. 			echo "Huston...just to let you know that an override occurs here to $key with val: $val";
  22.  
  23. 		$this->mem[$key] = $val;
  24. 	}
  25. }

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