Beispiel #1
0
 /**
  * UPPERCASE
  *
  * Converts a string value to upper case.
  *
  * @param    string        $mixedCaseString
  * @return    string
  */
 public static function UPPERCASE($mixedCaseString)
 {
     $mixedCaseString = Functions::flattenSingleValue($mixedCaseString);
     if (is_bool($mixedCaseString)) {
         $mixedCaseString = $mixedCaseString ? \PHPExcel\Calculation::getTRUE() : \PHPExcel\Calculation::getFALSE();
     }
     return \PHPExcel\Shared\StringHelper::strToUpper($mixedCaseString);
 }