voku /
portable-utf8
| @@ 5908-5928 (lines=21) @@ | ||
| 5905 | * |
|
| 5906 | * @return string str with all alphabetic characters converted to lowercase. |
|
| 5907 | */ |
|
| 5908 | public static function strtolower($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5909 | { |
|
| 5910 | // init |
|
| 5911 | $str = (string)$str; |
|
| 5912 | ||
| 5913 | if (!isset($str[0])) { |
|
| 5914 | return ''; |
|
| 5915 | } |
|
| 5916 | ||
| 5917 | if ($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_strtolower($str, $encoding); |
|
| 5928 | } |
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| 5929 | ||
| 5930 | /** |
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| 5931 | * Generic case sensitive transformation for collation matching. |
|
| @@ 5954-5973 (lines=20) @@ | ||
| 5951 | * |
|
| 5952 | * @return string str with all alphabetic characters converted to uppercase. |
|
| 5953 | */ |
|
| 5954 | public static function strtoupper($str, $encoding = 'UTF-8', $cleanUtf8 = false) |
|
| 5955 | { |
|
| 5956 | $str = (string)$str; |
|
| 5957 | ||
| 5958 | if (!isset($str[0])) { |
|
| 5959 | return ''; |
|
| 5960 | } |
|
| 5961 | ||
| 5962 | if ($cleanUtf8 === true) { |
|
| 5963 | // "\mb_strpos" and "\iconv_strpos" returns wrong position, |
|
| 5964 | // if invalid characters are found in $haystack before $needle |
|
| 5965 | $str = self::clean($str); |
|
| 5966 | } |
|
| 5967 | ||
| 5968 | if ($encoding !== 'UTF-8') { |
|
| 5969 | $encoding = self::normalize_encoding($encoding, 'UTF-8'); |
|
| 5970 | } |
|
| 5971 | ||
| 5972 | return \mb_strtoupper($str, $encoding); |
|
| 5973 | } |
|
| 5974 | ||
| 5975 | /** |
|
| 5976 | * Translate characters or replace sub-strings. |
|
