/**
* Internal: Used to implement pluck().
*/
private function pluck_property($container, $property)
{
$is_object = is_object($container);
if (is_array($container) || $is_object && $container instanceof \ArrayAccess) {
return Crankshaft::HasKey($container, $property) ? $container[$property] : null;
} else {
if ($is_object) {
// property_exists() will return true if there's a defined public property for the
// object's class, even if the instance value of that property is null -- but it
// will return false if the container object uses __get magic.
//
// isset() will return true if magic is in use and __isSet($property) is true,
// but will return false if the value of a magic or real property is null.
//
// So, we perform both tests, which catches most cases. If the object defines a
// magic property whose value is null, we assume we'll fall through to the else
// case where we return null anyway.
if (property_exists($container, $property) || isset($container->{$property})) {
return $container->{$property};
} else {
if ($container instanceof PropertyContainer) {
return $container->get($property);
} else {
return null;
}
}
} else {
throw new UnpluckableError('Cannot pluck ' . var_dump($property, true) . ' from ' . var_dump($container, true));
}
}
}
