[TYPO3-core] RFC #15644: Replace magic numbers for shortcut_mode with class constants

[Dmitry Dulepov]

Hi!

Georg Ringer wrote:
> +1 on reading.
> Small side note: Wouldnt it make more sense to use === has it is
> slightly faster too?

Not fast enough to concure database lookups but adds more chaos to the code
because it is not possible to compare $row['xxx'] to a number strictly. SO
it needs a typecast, therefore code readability suffers. This is one of
those cases where strict comparison is not needed at all.

-- 
Dmitry Dulepov
TYPO3 core&security team member
Twitter: http://twitter.com/dmitryd
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