/**
* Returns the submitted or default value of this variable.
* If an action is attached to this variable, the value will get passed to
* the action object.
*
* @param Variables $vars The {@link Variables} instance of the submitted
* form.
* @param integer $index If the variable is an array variable, this
* specifies the array element to return.
*
* @return mixed The variable or element value.
*/
function getValue($vars, $index = null)
{
if ($this->_arrayVal) {
$name = str_replace('[]', '', $this->varName);
} else {
$name = $this->varName;
}
$value = $vars->getExists($name, $wasset);
if (!$wasset) {
$value = $this->getDefault();
}
if ($this->_arrayVal && !is_null($index)) {
if (!$wasset && !is_array($value)) {
$return = $value;
} else {
$return = isset($value[$index]) ? $value[$index] : null;
}
} else {
$return = $value;
}
if ($this->hasAction()) {
$this->_action->setValues($vars, $return, $this->_arrayVal);
}
return $return;
}