Constants, like the names of variables, are case-sensitivebut unlike variables : define « Math « PHP

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PHP » Math » define

Constants, like the names of variables, are case-sensitivebut unlike variables


 

They do not start with a dollar sign. 

You can change this behavior by passing true as a third parameter to define( ), which makes the constant case-insensitive:



<?

    define("SecondsPerDay", 86400, true);

    print SecondsPerDay;

    print SECONDSperDAY;

?>

Related examples in the same category

1.	Constants and switch statement
2.	Define a constant as an array or object

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