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MongoDB\BSON\UTCDateTime::toDateTime

示例# 1 MongoDB \ BSON \ UTCDatetime:toDateTime()例子

<?php
 
$utcdatetime = new MongoDB\BSON\UTCDateTime(1416445411987);
$datetime = $utcdatetime->toDateTime();
var_dump($datetime->format('r'));
var_dump($datetime->format('U.u'));
var_dump($datetime->getTimezone());
 
?>

string(31) "Thu, 20 Nov 2014 01:03:31 +0000"
string(17) "1416445411.987000"
object(DateTimeZone)#3 (2) {
  ["timezone_type"]=>
  int(1)
  ["timezone"]=>
  string(6) "+00:00"
}

//convert retrieved time back to local time
<?php
/********************constructor**********************************/
$orig_date = new DateTime('2016-06-27 13:03:33');
$orig_date=$orig_date->getTimestamp();
$utcdatetime = new MongoDB\BSON\UTCDateTime($orig_date*1000);
/********************retrieve time in UTC**********************************/
$datetime = $utcdatetime->toDateTime();
$time=$datetime->format(DATE_RSS);
/********************Convert time local timezone*******************/
$dateInUTC=$time;
$time = strtotime($dateInUTC.' UTC');
$dateInLocal = date("Y-m-d H:i:s", $time);
echo $dateInLocal;
?>
output: 2016-06-27 13:03:33

$tz = new DateTimeZone('Asia/Kolkata'); //Change your timezone
$date = date("Y-m-d h:i:sa"); //Current Date
$a = new MongoDB\BSON\UTCDateTime(strtotime($date)*1000);
               
      $datetime = $a->toDateTime();
      echo '<pre>';print_r($datetime);echo '</pre>';
 
      $datetime->setTimezone($tz); //Set timezone
      $time=$datetime->format(DATE_ATOM);  //(example: 2005-08-15T15:52:01+00:00)
           
    echo "<br>". $time . "<br>";
 
OUTPUT : 
//Output of datetime object
DateTime Object
(
    [date] => 2016-08-09 14:57:06.000000
    [timezone_type] => 1
    [timezone] => +00:00
)
//Output of time 
2016-08-09T20:27:06+05:30