[TYPO3-core] RFC: #15685: Enhancement of t3lib_div::testInt introduced a different behaviour causing bugs

[Helmut Hummel]

Hi,

this is a SVN patch request.

Bugtracker reference: http://bugs.typo3.org/view.php?id=15685

Branches: trunk

Problem:
When the enhanced version of t3lib_div::testInt was commited, a
different behaviour was introduced, for special input data like '10.',
'0123' or ' 5'.

Solution:
Restore the old behaviour while keeping a bit of the performance
improvement.

Note:
Attached the solution I initially suggested because it seems to be the
fastest when comparing speed on different systems.
The patch also contains the adpted and enhanced unit tests.


Regards Helmut
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