public static function simplifyElements(array &$elements)
{
$key_indexes = array();
foreach ($elements as $index => $element) {
$key_indexes[$element['key']][] = $index;
}
foreach ($elements as $index => $element) {
if (!is_numeric($index) || !is_array($element) || !isset($element['key'])) {
continue;
}
if (count($key_indexes[$element['key']]) > 1) {
continue;
}
if (!empty($element['attributes'])) {
continue;
}
// Replace it in the array.
$elements = ArrayHelper::spliceAssociativeValues($elements, array($element['key'] => $element['value']), $index);
unset($elements[$index]);
}
}
