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define() - Defining Constants
How do you define a constant in PHP?
✍: FYIcenter
You can define a constant by using the define() function. Once a constant is defined, it can never be changed or undefined. For example:
<?php define("CONSTANT", "Hello world."); echo CONSTANT; // outputs "Hello world." echo Constant; // outputs "Constant" and issues a notice. ?>
Only scalar data (boolean, integer, float and string) can be contained in constants.
2007-02-27, 5634👍, 0💬
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