/**
* Return current month
*/
function evaluate()
{
$params = DateExpression::parse($this->getParameters()->evaluate());
if (!$params) {
return false;
}
return $params->month;
}
/**
* Returns number of hours from now until the specified date.
*/
public function evaluate()
{
$params = DateExpression::parse($this->getParameters()->evaluate());
if (!$params) {
return false;
}
$now = TimeDate::getInstance()->getNow(true);
$tsdiff = $params->ts - $now->ts;
return (int) ($tsdiff / 3600);
}
/**
* Returns itself when evaluating.
*/
function evaluate()
{
$params = $this->getParameters();
$a = DateExpression::parse($params[0]->evaluate());
$b = DateExpression::parse($params[1]->evaluate());
if (empty($a) || empty($b)) {
return false;
}
if ($a < $b) {
return AbstractExpression::$TRUE;
}
return AbstractExpression::$FALSE;
}
/**
* Returns the entire enumeration bare.
*/
function evaluate()
{
$params = $this->getParameters();
$date = DateExpression::parse($params[0]->evaluate());
if (!$date) {
return false;
}
$days = $params[1]->evaluate();
if ($days < 0) {
return $date->modify("{$days} day");
}
return $date->modify("+{$days} day");
}
/**
* Returns the entire enumeration bare.
*/
public function evaluate()
{
$date = $this->getParameters()->evaluate();
$params = DateExpression::parse($date);
if (!$params) {
return false;
}
// if the date expression doesn't have a time on it or the def is type of 'date' then force
// the time to be midnight on that day
if (!DateExpression::hasTime($date) || isset($date->def) && $date->def['type'] === 'date') {
$params->setTime(0, 0, 0);
}
return $params->getTimestamp();
}
/**
* Returns the entire enumeration bare.
*/
function evaluate()
{
$params = DateExpression::parse($this->getParameters()->evaluate());
if (!$params) {
return false;
}
$now = TimeDate::getInstance()->getNow(true);
//set the time to 0, as we are returning an integer based on the date.
$params->setTime(0, 0, 0);
// this will be the timestamp delimiter of the day.
$tsdiff = $params->ts - $now->ts;
$diff = (int) ceil($tsdiff / 86400);
return $diff;
}
/**
* Get the date from date expression, understands all strftime() formats
*/
function evaluate()
{
$params = $this->getParameters()->evaluate();
return DateExpression::parse($params);
}
