PHP constant() Function
Example
Return the value of a constant:
<?php
//define a constant
define("GREETING","Hello you! How are you today?");
echo constant("GREETING");
?>
Try it Yourself »
Definition and Usage
The constant() function returns the value of a constant.
Note: This function also works with class constants.
Syntax
constant(constant)
Parameter Values
| Parameter | Description |
|---|---|
| constant | Required. Specifies the name of the constant to check |
Technical Details
| Return Value: | Returns the value of a constant, or NULL if the constant is not defined |
|---|---|
| PHP Version: | 4+ |
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