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<?php
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namespace PhpOffice\PhpSpreadsheet\Calculation\TextData;
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use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
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use PhpOffice\PhpSpreadsheet\Calculation\Exception as CalcExp;
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use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
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class CaseConvert
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{
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use ArrayEnabled;
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/**
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* LOWERCASE.
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*
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* Converts a string value to upper case.
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*
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* @param mixed $mixedCaseValue The string value to convert to lower case
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* Or can be an array of values
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*
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* @return array|string If an array of values is passed as the argument, then the returned result will also be an array
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* with the same dimensions
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*/
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public static function lower(mixed $mixedCaseValue): array|string
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{
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if (is_array($mixedCaseValue)) {
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return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $mixedCaseValue);
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}
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try {
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$mixedCaseValue = Helpers::extractString($mixedCaseValue, true);
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} catch (CalcExp $e) {
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return $e->getMessage();
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}
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return StringHelper::strToLower($mixedCaseValue);
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}
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/**
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* UPPERCASE.
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*
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* Converts a string value to upper case.
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*
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* @param mixed $mixedCaseValue The string value to convert to upper case
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* Or can be an array of values
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*
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* @return array|string If an array of values is passed as the argument, then the returned result will also be an array
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* with the same dimensions
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*/
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public static function upper(mixed $mixedCaseValue): array|string
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{
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if (is_array($mixedCaseValue)) {
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return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $mixedCaseValue);
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}
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try {
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$mixedCaseValue = Helpers::extractString($mixedCaseValue, true);
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} catch (CalcExp $e) {
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return $e->getMessage();
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}
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return StringHelper::strToUpper($mixedCaseValue);
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}
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/**
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* PROPERCASE.
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*
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* Converts a string value to proper or title case.
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*
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* @param mixed $mixedCaseValue The string value to convert to title case
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* Or can be an array of values
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*
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* @return array|string If an array of values is passed as the argument, then the returned result will also be an array
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* with the same dimensions
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*/
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public static function proper(mixed $mixedCaseValue): array|string
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{
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if (is_array($mixedCaseValue)) {
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return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $mixedCaseValue);
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}
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try {
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$mixedCaseValue = Helpers::extractString($mixedCaseValue, true);
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} catch (CalcExp $e) {
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return $e->getMessage();
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}
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return StringHelper::strToTitle($mixedCaseValue);
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}
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}
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