ILIAS\Validation\Constraints\IsNull Class Reference

Inheritance diagram for ILIAS\Validation\Constraints\IsNull:

Collaboration diagram for ILIAS\Validation\Constraints\IsNull:

Public Member Functions
	__construct (Data\Factory $data_factory, \ilLanguage $lng)
	IsNull constructor. More...
Public Member Functions inherited from ILIAS\Validation\Constraints\Custom
	__construct (callable $is_ok, $error, Data\Factory $data_factory, \ilLanguage $lng)
	If $error is a callable it needs to take two parameters: More...
	check ($value)
	Checks the provided value.Should not throw if accepts($value). Exceptions More...
	accepts ($value)
	Tells if the provided value complies. Parameters mixed $value Returns bool More...
	problemWith ($value)
	Tells what the problem with the provided value is.Should return null if accepts($value). Parameters mixed $value Returns string|null More...
	restrict (Result $result)
	Restricts a Result.Must do nothing with the result if $result->isError(). Must replace the result with an error according to problemWith() if !accepts($result->value()). Parameters Result $result Returns Result More...
	withProblemBuilder (callable $builder)
	Get a constraint like this one with a builder for a custom error message.problemWith() must return an error message according to the new builder for the new constraint.The builder needs to be callable that takes two parameters: Parameters callable $builder Returns Constraint More...
	getErrorMessage ($value)
	Get the problem message. More...

Additional Inherited Members
Protected Member Functions inherited from ILIAS\Validation\Constraints\Custom
	getLngClosure ()
	Get the closure to be passed to the error-function that does i18n and sprintf. More...
Protected Attributes inherited from ILIAS\Validation\Constraints\Custom
	$data_factory
	$lng
	$is_ok
	$error

Detailed Description

Definition at line 17 of file IsNull.php.

Constructor & Destructor Documentation

__construct()

ILIAS\Validation\Constraints\IsNull::__construct	(	Data\Factory	$data_factory,
		\ilLanguage	$lng
	)

IsNull constructor.

Parameters

Data\Factory

$data_factory

Definition at line 25 of file IsNull.php.

References ILIAS\Validation\Constraints\Custom\$data_factory, ILIAS\Validation\Constraints\Custom\$lng, and $txt.

    {
        parent::__construct(
            function ($value) {
                return is_null($value);
            },
            function ($txt, $value) {
                return $txt("not_a_null", gettype($value));
            },
            $data_factory,
            $lng
        );
    }

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The documentation for this class was generated from the following file:

• src/Validation/Constraints/IsNull.php