/**
* Converts input value/key to a valid timestamp
* @return int Returns timestamp if value is a valid datetime string or null if there was an error
*/
public function timestampVal($key)
{
if (!isset($this->_date)) {
$this->_date = Raxan::CDate();
}
$v = $this->value($key);
if (!is_array($v)) {
try {
$v = $v ? $this->_date->getTimestamp($v) : null;
} catch (Exception $e) {
$v = null;
}
} else {
foreach ($v as $k => $b) {
try {
$b = $b ? $this->_date->getTimestamp($b) : null;
} catch (Exception $e) {
$b = null;
}
$v[$k] = $b;
}
}
return $v;
}