/**
* Gets a property path from a given object or array.
*
* If propertyPath is "bla.blubb", then we first call getProperty($object, 'bla'),
* and on the resulting object we call getProperty(..., 'blubb').
*
* For arrays the keys are checked likewise.
*
* @param mixed $subject An object or array
* @param string $propertyPath
* @param \TYPO3\Fluid\Core\Rendering\RenderingContextInterface $renderingContext
* @return mixed Value of the property
*/
public static function getPropertyPath($subject, $propertyPath, \TYPO3\Fluid\Core\Rendering\RenderingContextInterface $renderingContext)
{
$propertyPathSegments = explode('.', $propertyPath);
foreach ($propertyPathSegments as $pathSegment) {
$propertyExists = FALSE;
$propertyValue = \TYPO3\Fluid\Reflection\ObjectAccess::getPropertyInternal($subject, $pathSegment, FALSE, $propertyExists);
if ($propertyExists !== TRUE && (is_array($subject) || $subject instanceof \ArrayAccess) && isset($subject[$pathSegment])) {
$subject = $subject[$pathSegment];
} else {
$subject = $propertyValue;
}
if ($subject instanceof \TYPO3\Fluid\Core\Parser\SyntaxTree\RenderingContextAwareInterface) {
$subject->setRenderingContext($renderingContext);
}
}
return $subject;
}
