What alternative methods can be used to access constants as variables in PHP?

When accessing constants as variables in PHP, you can use the constant() function to retrieve the value of a constant by its name. This can be useful when you need to dynamically access constants based on certain conditions or variables. 

define('MY_CONSTANT', 'Hello World');

$constantName = 'MY_CONSTANT';
echo constant($constantName); // Output: Hello World

Keywords

constant define class reflection magic constants

Related Questions