function getValue()
{
$value = parent::getValue();
if (is_null($value)) {
$value = $this->default_selection;
}
if (is_scalar($value)) {
return $value;
}
if (!($value_field = $this->getAttribute('value_field'))) {
$value_field = 'id';
}
if ((is_array($value) || $value instanceof ArrayAccess) && isset($value[$value_field])) {
return $value[$value_field];
}
}
function getValue()
{
$values = parent::getValue();
if (!is_object($values) && !is_array($values)) {
$values = $this->default_selection;
}
if (is_object($values) && !$values instanceof Iterator) {
$values = $this->default_selection;
}
if (!($value_field = $this->getAttribute('value_field'))) {
$value_field = 'id';
}
$result = array();
foreach ($values as $value) {
if (is_scalar($value)) {
$result[] = $value;
} elseif ((is_array($value) || $value instanceof ArrayAccess) && isset($value[$value_field])) {
$result[] = $value[$value_field];
}
}
return $result;
}
