/**
* Returns only the digits in value. This differs from getInt().
*
* @param mixed $key
* @return mixed
*/
public function getDigits($key)
{
if (!$this->keyExists($key)) {
return false;
}
return Zend_Filter::getDigits($this->_source[$key]);
}
/**
* Returns only the digits in value. This differs from getInt().
*
* @param mixed $key
* @return mixed
*/
public function getDigits($key)
{
return Zend_Filter::getDigits($this->_source[$key]);
}
/**
* Returns only the digits in value. This differs from getInt().
*
* @param mixed $key
* @return mixed
*/
public function getDigits($key = null)
{
if (!($value = $this->keyExists($key))) {
return false;
}
return Zend_Filter::getDigits($value);
}
