WP_List_Table::__isset()publicWP 4.0.0

Makes private properties checkable for backward compatibility.

Метод класса: WP_List_Table{}

Хуков нет.

Возвращает

true|false. Whether the property is a back-compat property and it is set.

Использование

$WP_List_Table = new WP_List_Table();
$WP_List_Table->__isset( $name );
$name(строка) (обязательный)
Property to check if set.

Список изменений

С версии 4.0.0 Введена.
С версии 6.4.0 Checking a dynamic property is deprecated.

Код WP_List_Table::__isset() WP 6.5.3

public function __isset( $name ) {
	if ( in_array( $name, $this->compat_fields, true ) ) {
		return isset( $this->$name );
	}

	wp_trigger_error(
		__METHOD__,
		"The property `{$name}` is not declared. Checking `isset()` on a dynamic property " .
		'is deprecated since version 6.4.0! Instead, declare the property on the class.',
		E_USER_DEPRECATED
	);
	return false;
}