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PHP constant() Function

Complete PHP Misc Reference

Definition and Usage

The constant() function returns the value of a constant.

Syntax

constant(constant)

Parameter	Description
constant	Required. Specifies the name of the constant to check

Tips and Notes

Note: This function also works with class constants.

Example

<?php
//define a constant
define("GREETING","Hello you! How are you today?");

echo constant("GREETING");
?>

The output of the code above will be:

Hello you! How are you today?