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archived-php-src/ext/intl/grapheme
Christoph M. Becker 28c9376306 Fix #74264: grapheme_strrpos() broken for negative offsets
We must not assume that `usearch_last()` gives the proper result for
negative offsets.  Instead we'd need to continue to search backwards
(`usearch_previous`) until we find a proper match.  However, apparently
searching backwards is broken, so we work around by searching forward
from the start of the string until we pass the `offset_pos`, and then
use the previous result.

Closes GH-7189.
2021-07-05 18:11:30 +02:00
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