voku /
portable-utf8
| @@ 5714-5734 (lines=21) @@ | ||
| 5711 | * |
|
| 5712 | * @return string str with all alphabetic characters converted to lowercase. |
|
| 5713 | */ |
|
| 5714 | public static function strtolower($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5715 | { |
|
| 5716 | // init |
|
| 5717 | $str = (string)$str; |
|
| 5718 | ||
| 5719 | if (!isset($str[0])) { |
|
| 5720 | return ''; |
|
| 5721 | } |
|
| 5722 | ||
| 5723 | if ($cleanUtf8 === true) { |
|
| 5724 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5725 | // if invalid characters are found in $haystack before $needle |
|
| 5726 | $str = self::clean($str); |
|
| 5727 | } |
|
| 5728 | ||
| 5729 | if ($encoding !== 'UTF-8') { |
|
| 5730 | $encoding = self::normalize_encoding($encoding); |
|
| 5731 | } |
|
| 5732 | ||
| 5733 | return \mb_strtolower($str, $encoding); |
|
| 5734 | } |
|
| 5735 | ||
| 5736 | /** |
|
| 5737 | * Generic case sensitive transformation for collation matching. |
|
| @@ 5760-5779 (lines=20) @@ | ||
| 5757 | * |
|
| 5758 | * @return string str with all alphabetic characters converted to uppercase. |
|
| 5759 | */ |
|
| 5760 | public static function strtoupper($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5761 | { |
|
| 5762 | $str = (string)$str; |
|
| 5763 | ||
| 5764 | if (!isset($str[0])) { |
|
| 5765 | return ''; |
|
| 5766 | } |
|
| 5767 | ||
| 5768 | if ($cleanUtf8 === true) { |
|
| 5769 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5770 | // if invalid characters are found in $haystack before $needle |
|
| 5771 | $str = self::clean($str); |
|
| 5772 | } |
|
| 5773 | ||
| 5774 | if ($encoding !== 'UTF-8') { |
|
| 5775 | $encoding = self::normalize_encoding($encoding); |
|
| 5776 | } |
|
| 5777 | ||
| 5778 | return \mb_strtoupper($str, $encoding); |
|
| 5779 | } |
|
| 5780 | ||
| 5781 | /** |
|
| 5782 | * Translate characters or replace sub-strings. |
|
