ILIAS\Refinery\IsNull Class Reference

Inheritance diagram for ILIAS\Refinery\IsNull:

Collaboration diagram for ILIAS\Refinery\IsNull:

Public Member Functions
	__construct (Data\Factory $data_factory, ilLanguage $lng)
Public Member Functions inherited from ILIAS\Refinery\Constraint
	check ($value)
	Checks the provided value. More...
	accepts ($value)
	Tells if the provided value complies. More...
	problemWith ($value)
	Tells what the problem with the provided value is. More...
	applyTo (Result $result)
	Restricts a Result. More...
	withProblemBuilder (callable $builder)
	Get a constraint like this one with a builder for a custom error message. More...
Public Member Functions inherited from ILIAS\Refinery\Transformation
	transform ($from)
	Perform the transformation. More...
	__invoke ($from)
	Transformations should be callable. More...

Detailed Description

Definition at line 27 of file IsNull.php.

Constructor & Destructor Documentation

__construct()

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

Definition at line 29 of file IsNull.php.

References $lng, $txt, and ILIAS\GlobalScreen\Provider\__construct().

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

Here is the call graph for this function:

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

• src/Refinery/IsNull.php