Sergey Biryukov 8f855f46b0 Media: In wp_unique_filename(), use explicit type casting when incrementing $number. ...

This prevents the "non-numeric value encountered" warning in PHP 7.1, caused by trying to increment an empty string on the first loop iteration.

Props drrobotnik for initial patch.
Fixes #39774.


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2017-02-03 20:58:42 +00:00

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