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Validators
IsInstanceOf Validator
Laminas\Validator\IsInstanceOf
allows you to validate whether a given object is
an instance of a specific class or interface.
Supported options
The following options are supported for Laminas\Validator\IsInstanceOf
:
className
: Defines the fully-qualified class name which objects must be an instance of.
Basic usage
$validator = new Laminas\Validator\IsInstanceOf([
'className' => 'Laminas\Validator\Digits'
]);
$object = new Laminas\Validator\Digits();
if ($validator->isValid($object)) {
// $object is an instance of Laminas\Validator\Digits
} else {
// false. You can use $validator->getMessages() to retrieve error messages
}
If a string argument is passed to the constructor of
Laminas\Validator\IsInstanceOf
, then that value will be used as the class name:
use Laminas\Validator\Digits;
use Laminas\Validator\IsInstanceOf;
$validator = new IsInstanceOf(Digits::class);
$object = new Digits();
if ($validator->isValid($object)) {
// $object is an instance of Laminas\Validator\Digits
} else {
// false. You can use $validator->getMessages() to retrieve error messages
}