PHP 忒聊 綴豖 ヶ輛 define (PHP 3, PHP 4) Description 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. 瞰赽 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."? define() returns TRUE on success and FALSE if an error occurs. See also defined(), constant() and the section on Constants. 綴豖 れ萸 ヶ輛 constant 奻珨撰 defined