Re: Why is this array_walk_recursive action not working?
| From: | Richard Quadling | Date: | Thu, 24 Feb 2011 16:25:34 +0000 |
| Subject: | Re: Why is this array_walk_recursive action not working? | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-311563@lists.php.net to get a copy of this message | ||
On 24 February 2011 15:15, Dave M G <martin@autotelic.com> wrote:
> FeIn,
>
> Thank you for responding.
>
>
>> what did you expect to happen when you call array_walk_recursive?
>
>
> What I don't understand is why it did not append to the string as it
> walked through each key/value pair.
>
> It seems like even though the variable inside the function called by
> array_walk_recursive has the same name as a global variable, it gets
> treated as if it only has local scope and nothing done to it applies to
> the global variable.
>
> --
> Dave M G
<?php
function changeName($name) {
echo "My name is $name.\n";
$name = 'Simon';
echo "My name is $name.\n";
}
$name = 'Richard';
echo "My name is $name.\n";
changeName($name);
$name = 'Richard';
echo "My name is $name.\n";
?>
Read about variable scope at [1].
Richard.
[1] http://docs.php.net/manual/en/language.variables.scope.php
--
Richard Quadling
Twitter : EE : Zend
@RQuadling : e-e.com/M_248814.html : bit.ly/9O8vFY