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PHP Functions
Function: define (PHP 3, PHP 4, PHP 5) define -- Defines a named constantDescriptionbool define ( string name, mixed value [, bool case_insensitive] )Defines a named constant. See the section on constants for more details. The name of the constant is given by name ; the value is given by value . The optional third parameter case_insensitive is also available. If the value TRUE is given, then the constant will be defined case-insensitive. The default behaviour is case-sensitive; i.e. CONSTANT and Constant represent different values.
Example 1. Defining Constants <?php define("CONSTANT", "Hello world."); echo CONSTANT; // outputs "Hello world." echo Constant; // outputs "Constant" and issues a notice. define("GREETING", "Hello you.", true); echo GREETING; // outputs "Hello you." echo Greeting; // outputs "Hello you." ?> Returns TRUE on success or FALSE on failure. Related Function(s) |