WFIsEmptyTransformer

Transforms an "empty" value into FALSE, and a non-empty value into TRUE.

Example usage: binding the hidden property of a WFImage to an "image path" keyPath.

Located in /framework/ValueTransformers/WFIsEmptyTransformer.php (line 18)

WFObject
   |
   --WFValueTransformer
      |
      --WFIsEmptyTransformer

Inherited Variables

Inherited from WFValueTransformer

WFValueTransformer::$reversible
WFValueTransformer::$transformerList

Inherited Methods

Inherited From WFValueTransformer

WFValueTransformer::__construct()
WFValueTransformer::reverseTransformedValue()
WFValueTransformer::reversible()
WFValueTransformer::setReversible()
WFValueTransformer::setValueTransformerForName()
WFValueTransformer::transformedValue()
WFValueTransformer::valueTransformerForName()
WFValueTransformer::valueTransformerNames()

Inherited From WFObject

WFObject::__construct()
WFObject::exposedProperties()
WFObject::getClass()
WFObject::keyPathToTargetAndKey()
WFObject::setValueForKey()
WFObject::setValueForKeyPath()
WFObject::validateValueForKey()
WFObject::validateValueForKeyPath()
WFObject::valueForKey()
WFObject::valueForKeyPath()
WFObject::valueForUndefinedKey()
WFObject::__toString()