voku /
portable-utf8
| @@ 5376-5396 (lines=21) @@ | ||
| 5373 | * |
|
| 5374 | * @return string str with all alphabetic characters converted to lowercase. |
|
| 5375 | */ |
|
| 5376 | public static function strtolower($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5377 | { |
|
| 5378 | // init |
|
| 5379 | $str = (string)$str; |
|
| 5380 | ||
| 5381 | if (!isset($str[0])) { |
|
| 5382 | return ''; |
|
| 5383 | } |
|
| 5384 | ||
| 5385 | if ($cleanUtf8 === true) { |
|
| 5386 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5387 | // if invalid characters are found in $haystack before $needle |
|
| 5388 | $str = self::clean($str); |
|
| 5389 | } |
|
| 5390 | ||
| 5391 | if ($encoding !== 'UTF-8') { |
|
| 5392 | $encoding = self::normalize_encoding($encoding); |
|
| 5393 | } |
|
| 5394 | ||
| 5395 | return \mb_strtolower($str, $encoding); |
|
| 5396 | } |
|
| 5397 | ||
| 5398 | /** |
|
| 5399 | * Generic case sensitive transformation for collation matching. |
|
| @@ 5422-5441 (lines=20) @@ | ||
| 5419 | * |
|
| 5420 | * @return string str with all alphabetic characters converted to uppercase. |
|
| 5421 | */ |
|
| 5422 | public static function strtoupper($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5423 | { |
|
| 5424 | $str = (string)$str; |
|
| 5425 | ||
| 5426 | if (!isset($str[0])) { |
|
| 5427 | return ''; |
|
| 5428 | } |
|
| 5429 | ||
| 5430 | if ($cleanUtf8 === true) { |
|
| 5431 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5432 | // if invalid characters are found in $haystack before $needle |
|
| 5433 | $str = self::clean($str); |
|
| 5434 | } |
|
| 5435 | ||
| 5436 | if ($encoding !== 'UTF-8') { |
|
| 5437 | $encoding = self::normalize_encoding($encoding); |
|
| 5438 | } |
|
| 5439 | ||
| 5440 | return \mb_strtoupper($str, $encoding); |
|
| 5441 | } |
|
| 5442 | ||
| 5443 | /** |
|
| 5444 | * Translate characters or replace sub-strings. |
|
