Ctype

Ctype函数列表

ctype_alnum - Check for alphanumeric character(s)

ctype_alpha - Check for alphabetic character(s)

ctype_cntrl - Check for control character(s)

ctype_digit - Check for numeric character(s)

ctype_graph - Check for any printable character(s) except space

ctype_lower - Check for lowercase character(s)

ctype_print - Check for printable character(s)

ctype_punct - Check for any printable character which is not whitespace or an alphanumeric character

ctype_space - Check for whitespace character(s)

ctype_upper - Check for uppercase character(s)

ctype_xdigit - Check for character(s) representing a hexadecimal digit

« COM
» cURL

PHPCtype - 函数

ctype_xdigit