$start = new DateTime($startdate);

if(is_array( $array['daysOfWeek'])){
	$weekdays = $array['daysOfWeek'];
	$array['daysOfWeek'] = implode(",",$weekdays);
}else{
	$weekdays = explode(",",$array['daysOfWeek']);
}

$tempWeekDays = array(
    'Sunday',
    'Monday',
    'Tuesday',
    'Wednesday',
    'Thursday',
    'Friday',
    'Saturday',
);
if($weekdays == NULL) $weekdays= array(0,1,2,3,4,5,6);


foreach($weekdays as $weekday){
	
	if (class_exists('DateInterval')) {
		$temp = $start;
		$temp->modify("+1 ".$tempWeekDays[$weekday]);
		// Create array with all dates of the period - php 5.3

		$date_interval = new DateInterval("P7D");
 
		$end = new DateTime($enddate);

		// Retourne toutes les dates.
		$perioddates[] = new DatePeriod($temp, $date_interval, $end);
		$out = array();

	} else {
		
		// Create array with all dates of the period - php 5.2
		if (($startdate != $nodate) && ($enddate != $nodate)) {
			$temp = $start;
			$temp->modify("+1 ".$tempWeekDays[$weekday]);	//$end = new DateTime(date("Y-m-d H:i",strtotime("+0 day", strtotime($enddate))));
			
			$end = new DateTime($enddate);
			while($start < $end) {
				$out[] = $start->format('Y-m-d H:i');
				$temp->modify('+7 day');
			}
			
		}
		echo("PHP5.2");

	}
}
// Prépare serialize.
if (!empty($perioddates) && is_array($perioddates)) {

	foreach($perioddates as $pd) 
		foreach($pd as $dt) {
			$out[] = (
				$dt->format('Y-m-d H:i')
			);
	}	
}
sort($out);

// Serialize les dates de la période.
if (($startdate != $nodate) && ($enddate != $nodate)) {
	$array['period'] = serialize($out);


		$ctrl=unserialize($array['period']);
		if(is_array($ctrl)){
			$period=unserialize($array['period']);
			dump($period,"array");
		}else{
			$period=$this->getPeriod($array['period']);
			dump($period,"noarray");
		}
		rsort($period);
		$array['period']=serialize($period);
} else {
	$array['period']='';
}