Misc. Функции
PHP Manual

define

(PHP 4, PHP 5)

defineDefines a named constant

Описание

bool define ( string $name , mixed $value [, bool $case_insensitive = false ] )

Defines a named constant at runtime.

Параметри

name

The name of the constant.

value

The value of the constant; only scalar and null values are allowed. Scalar values are integer, float, string or boolean values. It is possible to define resource constants, however it is not recommended and may cause unpredictable behavior.

case_insensitive

If set to TRUE, the constant will be defined case-insensitive. The default behavior is case-sensitive; i.e. CONSTANT and Constant represent different values.

Връщани стойности

Връща TRUE при успех или FALSE при неуспех.

Примери

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."

?>

Вж. също


Misc. Функции
PHP Manual