[Typo3-dev] Cannot modify header information - headers already sent

[Ries van Twisk]

Pedro Barbosa wrote:

>Thanks for that Wolfgang Klinger.
>When i open the website the warning doesn't appear, however when i click 
>in the submit button the warnign comes up again.
>  
>
check if you have ANY (spaces, returns etc...) content
before and after
nospacearea<?php ...... ?>nospacearea  nospacearea

the nospacearea need to be empty....

Ries



>Anyone?
>thanks
>Pedro Barbosa
>
>Wolfgang Klinger wrote:
>
>  
>
>>Hi!
>>
>>On Thu, 10 Nov 2005, Pedro Barbosa wrote the following:
>> 
>>
>>    
>>
>>>I'm  getting started in typo3 and i wanted to include php script.
>>>Justo for fun(or not) i created a calculator in php and when i open the 
>>>website i get the following warning:
>>>*Warning*: Cannot modify header information - headers already sent by 
>>>(output started at ..../scripts/calculadora.inc:41) in 
>>>*/var/www/html/sigtest/typo3_src-3.8.0/typo3/sysext/cms/tslib/class.tslib_fe.php* 
>>>on line *2612*
>>>   
>>>
>>>      
>>>
>>You use "echo" for output. That's not how it works with TYPO3. You need
>>to return the content, TYPO3 "collects" all the pieces and sends it to
>>the client when finished (plus some "headers" beforehand like a Cookie
>>or something).
>>
>>
>>kind regards
>>Wolfgang
>>
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>>
>> 
>>
>>    
>>
>
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