<?php
if (!defined('ABSPATH')) exit;
abstract class ActionScheduler_Abstract_Schedule extends ActionScheduler_Schedule_Deprecated {
private $scheduled_date = NULL;
protected $scheduled_timestamp = NULL;
public function __construct( DateTime $date ) {
$this->scheduled_date = $date;
}
abstract public function is_recurring();
abstract protected function calculate_next( DateTime $after );
public function get_next( DateTime $after ) {
$after = clone $after;
if ( $after > $this->scheduled_date ) {
$after = $this->calculate_next( $after );
return $after;
}
return clone $this->scheduled_date;
}
public function get_date() {
return $this->scheduled_date;
}
public function __sleep() {
$this->scheduled_timestamp = $this->scheduled_date->getTimestamp();
return array(
'scheduled_timestamp',
);
}
public function __wakeup() {
$this->scheduled_date = as_get_datetime_object( $this->scheduled_timestamp );
unset( $this->scheduled_timestamp );
}
}