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@ -21,7 +21,7 @@ class Team
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/**
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* PHP by default does not include multi byte functions. Therefore we use this
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*/
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private function count_characters(string $string)
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private function count_characters(string $string): int
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{
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return count(preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY));
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}
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