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<?php
declare(strict_types=1);
namespace Yiisoft\Validator\EmptyCriteria;
/**
* Empty criteria is a callable returning `true` if a value must be considered empty.
*
* With `WhenMissing` a rule is considered empty only when the value is missing. With regard to validation process, a
* corresponding rule is skipped only if this condition is met and `WhenMissing` is set:
* - At a rule level via `$skipOnEmpty` property, but only for rules implementing {@see SkipOnEmptyTrait} / including
* {@see SkipOnEmptyTrait}.
* - At validator level ({@see Validator::$defaultSkipOnEmptyCriteria}).
* There is no shortcut for this criteria, because it's considered less used. Use new instance directly:
* `new WhenMissing()`.
*/
final class WhenMissing
{
* @param mixed $value The validated value.
* @param bool $isAttributeMissing A flag defining whether the attribute is missing (not used / not passed at all).
* @return bool Whether the validated value is considered empty.
public function __invoke(mixed $value, bool $isAttributeMissing): bool
return $isAttributeMissing;
}
yiisoft /
validator
