Name
ctype_alpha
Synopsis
int ctype_alpha(string string
)
Returns true
if every
character in string
is a letter from the
current locale, or false
otherwise. In the default locale, the alphabetical characters are
uppercase “A” through uppercase “Z” and lowercase “a” through
lowercase “z.” Other locales may have additional alphabetical
characters.
Get Programming PHP, 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.