while($i = sqlsrv_fetch_array($enterres, SQLSRV_FETCH_ASSOC))
{

$ha_date=($i['ha_date']!='')? $i['ha_date']:'';
echo $ha_date;
}

Catchable fatal error: Object of class DateTime could not be converted to string in

$date = new DateTime($i['ha_date']);
$date= $date->format('Y-m-d H:i:s');

Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct() expects parameter 1 to be string, object given' in C:\........:3219 Stack trace: #0 C:\inetpub\wwwroot\89.111.180.28\function\func\func.php(3219): DateTime->__construct(Object(DateTime)) #1 C:\........(33): UserStatiscticTelefone(48) #2 {main} thrown in C:\........ on line 3219