voku /
portable-utf8
| @@ 5888-5908 (lines=21) @@ | ||
| 5885 | * |
|
| 5886 | * @return string str with all alphabetic characters converted to lowercase. |
|
| 5887 | */ |
|
| 5888 | public static function strtolower($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5889 | { |
|
| 5890 | // init |
|
| 5891 | $str = (string)$str; |
|
| 5892 | ||
| 5893 | if (!isset($str[0])) { |
|
| 5894 | return ''; |
|
| 5895 | } |
|
| 5896 | ||
| 5897 | if ($cleanUtf8 === true) { |
|
| 5898 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5899 | // if invalid characters are found in $haystack before $needle |
|
| 5900 | $str = self::clean($str); |
|
| 5901 | } |
|
| 5902 | ||
| 5903 | if ($encoding !== 'UTF-8') { |
|
| 5904 | $encoding = self::normalize_encoding($encoding, 'UTF-8'); |
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| 5905 | } |
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| 5906 | ||
| 5907 | return \mb_strtolower($str, $encoding); |
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| 5908 | } |
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| 5909 | ||
| 5910 | /** |
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| 5911 | * Generic case sensitive transformation for collation matching. |
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| @@ 5934-5953 (lines=20) @@ | ||
| 5931 | * |
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| 5932 | * @return string str with all alphabetic characters converted to uppercase. |
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| 5933 | */ |
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| 5934 | public static function strtoupper($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5935 | { |
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| 5936 | $str = (string)$str; |
|
| 5937 | ||
| 5938 | if (!isset($str[0])) { |
|
| 5939 | return ''; |
|
| 5940 | } |
|
| 5941 | ||
| 5942 | if ($cleanUtf8 === true) { |
|
| 5943 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5944 | // if invalid characters are found in $haystack before $needle |
|
| 5945 | $str = self::clean($str); |
|
| 5946 | } |
|
| 5947 | ||
| 5948 | if ($encoding !== 'UTF-8') { |
|
| 5949 | $encoding = self::normalize_encoding($encoding, 'UTF-8'); |
|
| 5950 | } |
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| 5951 | ||
| 5952 | return \mb_strtoupper($str, $encoding); |
|
| 5953 | } |
|
| 5954 | ||
| 5955 | /** |
|
| 5956 | * Translate characters or replace sub-strings. |
|
