PHP 忒聊
綴豖
ヶ輛
ctype_xdigit
(PHP 4 = 4.0.4)
Description
Returns TRUE if every character in text is a hexadecimal 'digit', that is a decimal digit or a character from [A-Fa-f], FALSE otherwise.
See also ctype_digit().
綴豖
れ萸
ヶ輛
ctype_upper
奻珨撰
Database (dbm-style) abstraction layer functions