PHP 4 Default Function Parameter

can I use this syntax under PHP 4 (default function parameter) :

function myFunction($arg1 = 'defaultValue') {}

Thanks.开发者_开发知识库

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Yes you can. And it can be overwritten like this:

<?php
$var = 'one';
myFunction($var);

function myFunction($arg1 = 'defaultValue') {
echo $arg1;
}
?>

the output would be one

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Yes you definitely can do.

Hope it helps.

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why don't you simply try it? yes, you can.