Whether a field is set

# IntlCalendar::isSet

(PHP 5 >= 5.5.0, PHP 7, PECL >= 3.0.0a1)

IntlCalendar::isSet — Whether a field is set

### 説明

オブジェクト指向型

public IntlCalendar::isSet ( int `$field` ) : bool

手続き型

intlcal_is_set ( IntlCalendar `$cal` , int `$field` ) : bool

Returns whether a field is set (as opposed to clear). Set fields take priority over unset fields and their default values when the date/time is being calculated. Fields set later take priority over fields set earlier.

### パラメータ

`cal`

  The IntlCalendar resource.

`field`

  IntlCalendar の日付/時刻 フィールド定数 のいずれか。 0 から `IntlCalendar::FIELD_COUNT` までの間の整数値です。

### 返り値

Assuming there are no argument errors, returns `TRUE` iif the field is set.

### 例

See the example on IntlCalendar::clear().

### 参考

- IntlCalendar::clear() - Clear a field or all fields
- IntlCalendar::set() - Set a time field or several common fields at once