[TYPO3-dev] Adding meta tags in Extension?

[Martin Kutschker]

Elmar Hinz schrieb:
> Martin Kutschker wrote:
> 
>>Heiner Lamprecht schrieb:
>>
>>>On Thursday 31 August 2006 13:55, Dmitry Dulepov wrote:
>>>
>>>>Hi!
>>>>
>>>>Heiner Lamprecht wrote:
>>>>
>>>>>I'm looking for a possibility to add meta tags to a page from
>>>>>within my extension.  I'm writing an extension that displays
>>>>>images on a page and would like to add the keywords from the
>>>>>DAM backend to the meta tags of that page.
>>>>
>>>>$GLOBALS['TSFE']->config['config']['additionalHeaders']
>>>>
>>>>Read about config.additionalHeaders format in TSRef.
>>>
>>>The documentation talks about HTTP-headers, like redirection, not
>>>about meta tags in the HTML head.
>>>
>>>I tried to write the keywords in $GLOBALS['TSFE']->page['keywords']. 
>>>But it seems, that the output is already created, before my extension
>>>adds the new keywords. ;-(
>>
>>Beware that you cannot change the HTML header from a USER_INT object.
>>THe reason is that during the time the USER_INT code is executed the
>>HTML header is already generated and cached.
>>
>>Masi
> 
> 
> Hi Masi,
> 
> this technic you find in xajax_tutor. Although your theory is fine it
> seems to work within USER_INT. Maybe the head is not cached. Just a
> guess. :-)

I never could change the title of a page (but ypu may set a separate title 
for the indexed search). So I assumed no header data can be changed. But I 
may be wrong.

Masi