PHP constant() function
Definition and Usage
The constant() function returns the value of the constant.
Syntax
constant(constant)
| Parameter | Description |
|---|---|
| constant | Required. Specifies the name of the constant to check. |
Tips and Comments
Note:This function is only applicable to class constants.
Example
<?php
//Define a constant
define("GREETING","Hello world!");
echo constant("GREETING");
?>
Output:
Hello world!
