The number of character classes in a password.
密码中字符类的数目。
Sets the number of character classes in a password to.
将密码中字符类的数目设置为。
Consult the documentation for your version of PHP for a complete list of character classes.
要获得字符类的完整列表，请参阅适用于您的PHP版本的文档。
Classes are available to convert both numeric and character data.
提供了用于转换数值和字母数据的类。
Classes are available to convert both numeric and character data.
提供了用于转换数值和字母数据的类。
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