voku /
portable-utf8
| @@ 5680-5700 (lines=21) @@ | ||
| 5677 | * |
|
| 5678 | * @return string str with all alphabetic characters converted to lowercase. |
|
| 5679 | */ |
|
| 5680 | public static function strtolower($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5681 | { |
|
| 5682 | // init |
|
| 5683 | $str = (string)$str; |
|
| 5684 | ||
| 5685 | if (!isset($str[0])) { |
|
| 5686 | return ''; |
|
| 5687 | } |
|
| 5688 | ||
| 5689 | if ($cleanUtf8 === true) { |
|
| 5690 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5691 | // if invalid characters are found in $haystack before $needle |
|
| 5692 | $str = self::clean($str); |
|
| 5693 | } |
|
| 5694 | ||
| 5695 | if ($encoding !== 'UTF-8') { |
|
| 5696 | $encoding = self::normalize_encoding($encoding); |
|
| 5697 | } |
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| 5698 | ||
| 5699 | return \mb_strtolower($str, $encoding); |
|
| 5700 | } |
|
| 5701 | ||
| 5702 | /** |
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| 5703 | * Generic case sensitive transformation for collation matching. |
|
| @@ 5726-5745 (lines=20) @@ | ||
| 5723 | * |
|
| 5724 | * @return string str with all alphabetic characters converted to uppercase. |
|
| 5725 | */ |
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| 5726 | public static function strtoupper($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5727 | { |
|
| 5728 | $str = (string)$str; |
|
| 5729 | ||
| 5730 | if (!isset($str[0])) { |
|
| 5731 | return ''; |
|
| 5732 | } |
|
| 5733 | ||
| 5734 | if ($cleanUtf8 === true) { |
|
| 5735 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5736 | // if invalid characters are found in $haystack before $needle |
|
| 5737 | $str = self::clean($str); |
|
| 5738 | } |
|
| 5739 | ||
| 5740 | if ($encoding !== 'UTF-8') { |
|
| 5741 | $encoding = self::normalize_encoding($encoding); |
|
| 5742 | } |
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| 5743 | ||
| 5744 | return \mb_strtoupper($str, $encoding); |
|
| 5745 | } |
|
| 5746 | ||
| 5747 | /** |
|
| 5748 | * Translate characters or replace sub-strings. |
|
