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How to Define a Constant in PHP? Is $ symbol necessary?
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Answer / saurabh rastogi
define("CONSTANT", "Hello world.");
echo CONSTANT; // Outputs Hello world
| Is This Answer Correct ? | 46 Yes | 3 No |
Answer / abhishek baranwal
define("CONSTANT", "Hello world.");
echo CONSTANT; // Outputs Hello world
define("CONSTANT", "New Value");
echo CONSTANT; // Outputs Hello world
Means once you declair the define a constant value that
will become every time it will not take new value or it
will not redeclair.if you want change in value then declair
the variables for that purpose.
| Is This Answer Correct ? | 13 Yes | 2 No |
Answer / dhir
Constant means a unchangeable value and in php we are
written in "".
"constant";
And don't need to $ sign.
| Is This Answer Correct ? | 16 Yes | 7 No |
Answer / mahesh
A Dollar($) Symbol is not necessary for displaying a
constant6 variable,
ex:
define("PAGE_SIZE","100");
echo PAGE_SIZE;
or
<?=PAGE_SIZE?>
| Is This Answer Correct ? | 7 Yes | 3 No |
Answer / nilsoft
define("CONSTANT", "Its constant");
echo CONSTANT; // Outputs Its Constant
There is no need to use $ sign for it.
$ sign is used for declare variables.
| Is This Answer Correct ? | 3 Yes | 0 No |
define(my,60);
echo my;
output will be 60.
define(my,vaneet);
echo my;
output will be vaneet
| Is This Answer Correct ? | 7 Yes | 12 No |
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