[wp-testers] Warning: call_user_func_array()

[Otto]

This code is wrong:

add_custom_image_header('header_style', 'fit_admin_header_style');

What is "header_style" referring to? There's no header_style function
anywhere in the code you gave.

-Otto



On Mon, Mar 7, 2011 at 4:47 AM, Emil Uzelac <emil at themeid.com> wrote:
> I understand that, the question is why there's no error when this is used in
> a site that isn't multi and all works just fine, even with debug on and
> testings as well.
> If the code isn't right, then it would not work or would display the same or
> similar errors on a standard blog.
>
> I have to disagree with you on this one sorry, there must be something else
> that I am either doing wrong or not seeing.
>
> Thanks,
> Emil
>
> *Emil Uzelac* | ThemeID | T: 224-444-0006 | Twitter: @EmilUzelac | E:
> emil at themeid.com | http://themeid.com
> Make everything as simple as possible, but not simpler. - Albert Einstein
>
>
>
> On Mon, Mar 7, 2011 at 4:17 AM, Stas Sușcov <stas at nerd.ro> wrote:
>
>> În data de Lu, 07-03-2011 la 03:29 -0600, Emil Uzelac a scris:
>> > Hey Guys,
>> >
>> > Quick question. I am testing multisite on a fresh install, no upgrades.
>> Site
>> > is located at example.com/dev/ so it is not a sub-domain. Now the Theme
>> that
>> > I am working on works great on non-multisite, however when activated in
>> > multisite it gives me this error:
>> >
>> > Warning: call_user_func_array() [function.call-user-func-array]: First
>> > argument is expected to be a valid callback, 'header_style' was given in
>> > /dev/wp-includes/plugin.php on line 395
>> >
>> > This is http://pastebin.com/VFQV1ijB what I have in functions.php and
>> > http://pastebin.com/9exbQBy0 in header.php.
>> >
>> > Once again this happens only if I activate the Theme in multisite.
>> > Of course everything works well if add_custom_image_header is removed
>> from
>> > functions.php
>> >
>> > I am sure that this looks like an issue from my end, but need to check
>> with
>> > you first.
>> >
>> > PS No plugins installed, not a single one.
>>
>> `header_style` should be a valid callback as warning says. In common
>> words it should be a callable function/static method.
>>
>> For a complete reference, check the codex page:
>>
>> http://codex.wordpress.org/Function_Reference/add_custom_image_header#Examples
>>
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