Question

How to define constant in a function in PHP

Answer 1

define('CONST_A', 'a');

function func() 
{
    define('CONST_B', 'b');
}

func();
echo CONST_A . " " . CONST_B;
 
/*
run:

a b

*/

 

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Answer 2

define('CONST_A', 15);

function func() 
{
    define('CONST_B', 89);
}

func();
echo CONST_A . " " . CONST_B;
 
/*
run:

15 89

*/

 

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