voku /
portable-utf8
| @@ 5578-5598 (lines=21) @@ | ||
| 5575 | * |
|
| 5576 | * @return string str with all alphabetic characters converted to lowercase. |
|
| 5577 | */ |
|
| 5578 | public static function strtolower($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5579 | { |
|
| 5580 | // init |
|
| 5581 | $str = (string)$str; |
|
| 5582 | ||
| 5583 | if (!isset($str[0])) { |
|
| 5584 | return ''; |
|
| 5585 | } |
|
| 5586 | ||
| 5587 | if ($cleanUtf8 === true) { |
|
| 5588 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5589 | // if invalid characters are found in $haystack before $needle |
|
| 5590 | $str = self::clean($str); |
|
| 5591 | } |
|
| 5592 | ||
| 5593 | if ($encoding !== 'UTF-8') { |
|
| 5594 | $encoding = self::normalize_encoding($encoding); |
|
| 5595 | } |
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| 5596 | ||
| 5597 | return \mb_strtolower($str, $encoding); |
|
| 5598 | } |
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| 5599 | ||
| 5600 | /** |
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| 5601 | * Generic case sensitive transformation for collation matching. |
|
| @@ 5624-5643 (lines=20) @@ | ||
| 5621 | * |
|
| 5622 | * @return string str with all alphabetic characters converted to uppercase. |
|
| 5623 | */ |
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| 5624 | public static function strtoupper($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5625 | { |
|
| 5626 | $str = (string)$str; |
|
| 5627 | ||
| 5628 | if (!isset($str[0])) { |
|
| 5629 | return ''; |
|
| 5630 | } |
|
| 5631 | ||
| 5632 | if ($cleanUtf8 === true) { |
|
| 5633 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5634 | // if invalid characters are found in $haystack before $needle |
|
| 5635 | $str = self::clean($str); |
|
| 5636 | } |
|
| 5637 | ||
| 5638 | if ($encoding !== 'UTF-8') { |
|
| 5639 | $encoding = self::normalize_encoding($encoding); |
|
| 5640 | } |
|
| 5641 | ||
| 5642 | return \mb_strtoupper($str, $encoding); |
|
| 5643 | } |
|
| 5644 | ||
| 5645 | /** |
|
| 5646 | * Translate characters or replace sub-strings. |
|
