Memory Refresh



Basics,  
Constants definition

1) What is the output for the following script? <?php error_reporting(E_ALL & ~E_NOTICE); define('CCC', '1'); define('CCC', '2'); echo CCC;





2) What is the output for the following script? <?php error_reporting(E_ALL); define('CCC', '1'); defined('CCC') || define('CCC', '2'); echo CCC;





3) What constant definition is correct?






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