voku /
portable-utf8
| @@ 5530-5550 (lines=21) @@ | ||
| 5527 | * |
|
| 5528 | * @return string str with all alphabetic characters converted to lowercase. |
|
| 5529 | */ |
|
| 5530 | public static function strtolower($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5531 | { |
|
| 5532 | // init |
|
| 5533 | $str = (string)$str; |
|
| 5534 | ||
| 5535 | if (!isset($str[0])) { |
|
| 5536 | return ''; |
|
| 5537 | } |
|
| 5538 | ||
| 5539 | if ($cleanUtf8 === true) { |
|
| 5540 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5541 | // if invalid characters are found in $haystack before $needle |
|
| 5542 | $str = self::clean($str); |
|
| 5543 | } |
|
| 5544 | ||
| 5545 | if ($encoding !== 'UTF-8') { |
|
| 5546 | $encoding = self::normalize_encoding($encoding); |
|
| 5547 | } |
|
| 5548 | ||
| 5549 | return \mb_strtolower($str, $encoding); |
|
| 5550 | } |
|
| 5551 | ||
| 5552 | /** |
|
| 5553 | * Generic case sensitive transformation for collation matching. |
|
| @@ 5576-5595 (lines=20) @@ | ||
| 5573 | * |
|
| 5574 | * @return string str with all alphabetic characters converted to uppercase. |
|
| 5575 | */ |
|
| 5576 | public static function strtoupper($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5577 | { |
|
| 5578 | $str = (string)$str; |
|
| 5579 | ||
| 5580 | if (!isset($str[0])) { |
|
| 5581 | return ''; |
|
| 5582 | } |
|
| 5583 | ||
| 5584 | if ($cleanUtf8 === true) { |
|
| 5585 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5586 | // if invalid characters are found in $haystack before $needle |
|
| 5587 | $str = self::clean($str); |
|
| 5588 | } |
|
| 5589 | ||
| 5590 | if ($encoding !== 'UTF-8') { |
|
| 5591 | $encoding = self::normalize_encoding($encoding); |
|
| 5592 | } |
|
| 5593 | ||
| 5594 | return \mb_strtoupper($str, $encoding); |
|
| 5595 | } |
|
| 5596 | ||
| 5597 | /** |
|
| 5598 | * Translate characters or replace sub-strings. |
|
