/**
* recursively merges two arrays, overwriting matching keys
*
* if any of the array elements are an array, they will be merged with an array
* with the same key in the base array
*
* @param array $array the base array
* @param array $override the array to merge
* @return array
*/
public static function array_merge2($array, $override)
{
$x = array();
foreach ($array as $k => $v) {
if (isset($override[$k])) {
if (is_array($v)) {
$v = Participants_Db::array_merge2($v, (array) $override[$k]);
} else {
$v = $override[$k];
}
unset($override[$k]);
}
$x[$k] = $v;
}
// add in the remaining unmatched elements
return $x += $override;
}
