/**
* Compare two strings in the same way as strcmp() except that lowercase come before uppercase letters
* @param string $str1 First string value for the comparison
* @param string $str2 Second string value for the comparison
* @return integer
*/
private function strcmpLowercaseFirst($str1, $str2)
{
$inversedStr1 = PHPExcel_Shared_String::StrCaseReverse($str1);
$inversedStr2 = PHPExcel_Shared_String::StrCaseReverse($str2);
return strcmp($inversedStr1, $inversedStr2);
}
