[TYPO3-core] Fixed bug #1471: Using Index Search on images without having exif enabled results in a fatal error

[Martin Kutschker]

Dmitry Dulepov [typo3] schrieb:
> Hi!
> 
> Andreas Otto wrote:
>> Because it is a nobrainer I have already committed the patch.
> 
> Just a side note... I found that function_exists may still return true 
> while is_callable returns false and function call may still fail.

I recall reading about that. Seemed not to be a big deal in rel life but we 
could change function_exists() to is_callable() for selected functions just 
to be sure.

I think that the image functions have a bad track in this regard as the 
esistence of function varies with the PHP version :-(

Masi