| 메소드 | 설명 | |
|---|---|---|
| __toString ( ) : string | Method returning the class name | |
| getValidValues ( ) : string[] | Return allowed values | |
| valueIsValid ( mixed $value ) : boolean | Return true if value is allowed |
| public __toString ( ) : string | ||
| 리턴 | string | __CLASS__ |
| public static getValidValues ( ) : string[] | ||
| 리턴 | string[] | |
| public static valueIsValid ( mixed $value ) : boolean | ||
| $value | mixed | value |
| 리턴 | boolean | true|false |
