voku /
portable-utf8
| @@ 5863-5883 (lines=21) @@ | ||
| 5860 | * |
|
| 5861 | * @return string str with all alphabetic characters converted to lowercase. |
|
| 5862 | */ |
|
| 5863 | public static function strtolower($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5864 | { |
|
| 5865 | // init |
|
| 5866 | $str = (string)$str; |
|
| 5867 | ||
| 5868 | if (!isset($str[0])) { |
|
| 5869 | return ''; |
|
| 5870 | } |
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| 5871 | ||
| 5872 | if ($cleanUtf8 === true) { |
|
| 5873 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5874 | // if invalid characters are found in $haystack before $needle |
|
| 5875 | $str = self::clean($str); |
|
| 5876 | } |
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| 5877 | ||
| 5878 | if ($encoding !== 'UTF-8') { |
|
| 5879 | $encoding = self::normalize_encoding($encoding, 'UTF-8'); |
|
| 5880 | } |
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| 5881 | ||
| 5882 | return \mb_strtolower($str, $encoding); |
|
| 5883 | } |
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| 5884 | ||
| 5885 | /** |
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| 5886 | * Generic case sensitive transformation for collation matching. |
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| @@ 5909-5928 (lines=20) @@ | ||
| 5906 | * |
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| 5907 | * @return string str with all alphabetic characters converted to uppercase. |
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| 5908 | */ |
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| 5909 | public static function strtoupper($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5910 | { |
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| 5911 | $str = (string)$str; |
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| 5912 | ||
| 5913 | if (!isset($str[0])) { |
|
| 5914 | return ''; |
|
| 5915 | } |
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| 5916 | ||
| 5917 | if ($cleanUtf8 === true) { |
|
| 5918 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5919 | // if invalid characters are found in $haystack before $needle |
|
| 5920 | $str = self::clean($str); |
|
| 5921 | } |
|
| 5922 | ||
| 5923 | if ($encoding !== 'UTF-8') { |
|
| 5924 | $encoding = self::normalize_encoding($encoding, 'UTF-8'); |
|
| 5925 | } |
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| 5926 | ||
| 5927 | return \mb_strtoupper($str, $encoding); |
|
| 5928 | } |
|
| 5929 | ||
| 5930 | /** |
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| 5931 | * Translate characters or replace sub-strings. |
|
