/**
* Load the source from the stream context and return the context options
*
* @param string $name
* @return array
* @throws \BadMethodCallException
*/
protected function loadContext($name)
{
$context = parent::loadContext($name);
foreach ($this->expectedContextProperties as $property) {
if (array_key_exists($property, $context)) {
$this->{$property} = $context[$property];
} else {
throw new \BadMethodCallException('Invalid context, "' . $property . '" options not set');
}
}
return $context;
}
