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Checks if all of the characters in the provided string, text, are alphabetic. In the standard C locale letters are just [A-Za-z] and ctype_alpha() is equivalent to (ctype_upper($text) || ctype_lower($text)) if $text is just a single character, but other languages have letters that are considered neither upper nor lower case.
Returns TRUE if every character in text is a letter from the current locale, FALSE otherwise.
Poprzedni | Spis treści | Następny |
ctype_alnum | Początek rozdziału | ctype_cntrl |
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Generated: 2007-01-26 18:02:24