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mbstring: Fix mb_rtrim() for UTF-8 text #507

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mbstring: Fix mb_rtrim() for UTF-8 text #507

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2 changes: 1 addition & 1 deletion src/Mbstring/Mbstring.php
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Original file line number Diff line number Diff line change
Expand Up @@ -983,7 +983,7 @@ public static function mb_ltrim(string $string, ?string $characters = null, ?str

public static function mb_rtrim(string $string, ?string $characters = null, ?string $encoding = null): string
{
return self::mb_internal_trim('{[%s]+$}D', $string, $characters, $encoding, __FUNCTION__);
return self::mb_internal_trim('{[%s]+$}Du', $string, $characters, $encoding, __FUNCTION__);
}

private static function mb_internal_trim(string $regex, string $string, ?string $characters, ?string $encoding, string $function): string
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2 changes: 2 additions & 0 deletions tests/Mbstring/MbstringTest.php
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Expand Up @@ -886,6 +886,7 @@ public static function mbLTrimProvider(): iterable
yield [' test ', ' test ', ''];

yield ['いああああ', 'あああああああああああああああああああああああああああああああああいああああ', 'あ'];
yield ['あいうえお　', '　あいうえお　'];

yield ['漢字', "\u{FFFE}漢字", "\u{FFFE}\u{FEFF}"];
yield [' abcd ', ' abcd ', ''];
Expand All @@ -902,6 +903,7 @@ public static function mbRTrimProvider(): iterable
yield [' a', str_repeat(' ', 129).'a'];

yield ['あああああああああああああああああああああああああああああああああい', 'あああああああああああああああああああああああああああああああああいああああ', 'あ'];
yield ['　あいうえお', '　あいうえお　'];

yield [' abcd ', ' abcd ', ''];

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