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Klasa singletona

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<?php
/**
 * Singleton 
 */



class ClassName {

	static private $__oInstance;
	
	private function __construct(){}
 
        private function __clone(){}
        
	/**
	 * @return ClassName 
	 */
	static public function getInstance() {
		if (self::$__oInstance === null) {
			self::$__oInstance = new self();
		}
		return self::$__oInstance;
	}
}

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