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Final Class Yiisoft\Validator\Rule\CallbackHandler

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Inheritance	Yiisoft\Validator\Rule\CallbackHandler
Implements	Yiisoft\Validator\RuleHandlerInterface

Validates a value using a callback.

Public Methods

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Method	Description	Defined By
validate()		Yiisoft\Validator\Rule\CallbackHandler

Method Details

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validate() public method

public Yiisoft\Validator\Result validate ( mixed $value, Yiisoft\Validator\RuleInterface $rule, Yiisoft\Validator\ValidationContext $context )
$value	mixed
$rule	Yiisoft\Validator\RuleInterface
$context	Yiisoft\Validator\ValidationContext
throws	Yiisoft\Validator\Exception\InvalidCallbackReturnTypeException

Source code

                public function validate(mixed $value, RuleInterface $rule, ValidationContext $context): Result
{
    if (!$rule instanceof Callback) {
        throw new UnexpectedRuleException(Callback::class, $rule);
    }
    $callback = $rule->getCallback();
    if ($callback === null) {
        throw new InvalidArgumentException('Using method outside of attribute scope is prohibited.');
    }
    $result = $callback($value, $rule, $context);
    if (!$result instanceof Result) {
        throw new InvalidCallbackReturnTypeException($result);
    }
    return $result;
}