SunshinePHP Developer Conference 2015

DateTime::setTimestamp

(PHP 5 >= 5.3.0)

DateTime::setTimestampتنظیم تاریخ و زمان براساس برچسب زمانی Unix

Description

Oriented object style

public DateTime DateTime::setTimestamp ( int $unixtimestamp )

Procedural style

DateTime date_timestamp_set ( DateTime $object , int $unixtimestamp )

تنظیم تاریخ و زمان براساس برچسب زمانی Unix.

Parameters

object

Procedural style only: A DateTime object returned by date_create(). The function modifies this object.

unixtimestamp

برچسب زمانی Unix نمایش‌دهنده تاریخ.

Return Values

Returns the DateTime object for method chaining or FALSE on failure.

Examples

Example #1 مثال DateTime::setTimestamp()

Oriented object style

<?php
$date 
= new DateTime();
echo 
$date->format('U = Y-m-d H:i:s') . "\n";

$date->setTimestamp(1171502725);
echo 
$date->format('U = Y-m-d H:i:s') . "\n";
?>

Procedural style

<?php
$date 
date_create();
echo 
date_format($date'U = Y-m-d H:i:s') . "\n";

date_timestamp_set($date1171502725);
echo 
date_format($date'U = Y-m-d H:i:s') . "\n";
?>

The above examples will output something similar to:

1272508903 = 2010-04-28 22:41:43
1171502725 = 2007-02-14 20:25:25

Notes

ارسال برچسب زمانی Unix به DateTime::__construct() هنگام استفاده از PHP 5.2 به طور جایگزین استفاده می‌شود.

See Also

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User Contributed Notes 3 notes

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1
Use Web Form at Aouie.net
4 years ago
When the exact time is important then it is important to note the difference between this and the UnixTimeStamp. The function will change the timestamp if necessary to take into account the daylight savings time.
e.g. Working with the 'Europe/London' timezone and setting the DateTime object to a timestamp of 1288486753 will result in the function automatically altering it to 1288490353.
This is because it is taking the fall time instead of the summer time (they will both be Sun, 31-Oct-2010 01:X:Y (I didn't check the hour and minute)).
Sincerely,
Aouie
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0
Arnb
1 year ago
When you need to manipulate a unix timestamp like field (seconds since 1970-01-01) that may be greater than the drop dead date of 2038-01-19.

<?php

function secs2date($secs,$date)
    {
    if (
$secs>2147472000)    //2038-01-19 expire dt
       
{
       
$date->setTimestamp(2147472000);
       
$s=$secs-2147472000;
       
$date->add(new DateInterval('PT'.$s.'S'));
        }
    else
       
$date->setTimestamp($secs);
    }

function
date2secs($date,$datebeg)
    {
   
$diff = $datebeg->diff($date);
   
$secs=$diff->format('%a') * (60*60*24);  //total days
   
$secs+=$diff->format('%h') * (60*60);     //hours
   
$secs+=$diff->format('%i') * 60;              //minutes
   
$secs+=$diff->format('%s');                     //seconds
   
return $secs;
    }

$datebeg = new DateTime('1970-01-01');
$date=new dateTime();

$secs=2017472000//2033-12-06 08:53:20
secs2date($secs,$date);
$dt=$date->format('Y-m-d H:i:s');
echo
$dt."<br>";
$sec2=date2secs($date,$datebeg);
echo
'(1) ',$sec2,'***',$secs,'<br>';

$secs=2397472000; //2045-12-21 12:26:40
secs2date($secs,$date);
$dt=$date->format('Y-m-d H:i:s');
echo
$dt."<br>";
$sec2=date2secs($date,$datebeg);
echo
'(2) ',$sec2,'***',$secs,'<br>';
?>
up
0
linblow at hotmail dot fr
3 years ago
If your PHP version is lower than 5.3 then you can use this class to be able to use the functions "setTimestamp" and "getTimestamp":

<?php

class MyDateTime extends DateTime
{
    public function
setTimestamp( $timestamp )
    {
       
$date = getdate( ( int ) $timestamp );
       
$this->setDate( $date['year'] , $date['mon'] , $date['mday'] );
       
$this->setTime( $date['hours'] , $date['minutes'] , $date['seconds'] );
    }
   
    public function
getTimestamp()
    {
        return
$this->format( 'U' );
    }
}

$date = new MyDateTime();
$date->setTimestamp( $someTimestamp );

echo
$date->format( 'd/m/Y H:i:s' );

?>
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