protected function addConfig($config)
{
$this->config = array_outer_join($this->config, $config);
}
/**
* adds all elements of the child to the parent while preserving the parents type (array or variable)
*
* @param array $parent
* @param array $child
* @return array
* @author Florian Moser
*/
function array_outer_join(array $parent, array $child)
{
$merged = $parent;
foreach ($child as $key => $value) {
if (isset($merged[$key])) {
if (is_array($merged[$key])) {
if (is_array($value)) {
$merged[$key] = array_outer_join($merged[$key], $value);
} else {
$merged[$key] = array_outer_join($merged[$key], array($value));
}
} else {
$merged[$key] = $value;
}
} else {
$merged[$key] = $value;
}
}
return $merged;
}