ctypealpha php_PHP Ctype函数(转)
Ctype函数是PHP内置的字符串体测函数。主要有以下几种ctype_alnum-- Check for alphanumeric character(s)检测是否是只包含[A-Za-z0-9]ctype_alpha-- Check for alphabetic character(s)检测是否是只包含[A-Za-z]ctype_cntrl-- Check for control chara...
