[TYPO3] Determine if an extension is already installed

[Tobias Pinnekamp]

Livius Agrippa schrieb:
>  Hi,
> 
> I create an extension and I want to verify in my extension if kb_md5fepw
>  extension is already installed. I saw this in an old topic but I cannot
> find anymore that message.
> 
> Best regards,
> Livius

Hi Livius,

t3lib_extMgm::isLoaded('kb_md5fepw')

this return true or false.


Best regards
Tobias