Modify microseconds of a PHP DateTime object I have a PHP DateTime object with microseconds created as follows: $time = microtime(true); $microseconds = sprintf('%06d', ($time - floor($time)) * 1000000); $dt = new DateTime(date('Y-m-d H:i:s.' . $microseconds, $time)); How can I modify the microseconds value of $dt, without creating a completely new DateTime instance? Answer: You can't. There are three methods that can modify the value of a DateTime instance: add, sub and modify. We can rule out add and sub immediately because they work in terms of a DateInterval which does not have sub-second precision. modify accepts

Modifying a php DateTime object I have a question respect of  the proper way to modify a php DateTime object.at the present time , I'm doing something like: $origEvent = new DateTime(...); $newEvent = new DateTime(...); $someOtherEvent = new DateTime(...); //get the time difference between the orignal event and the edited event $diff = $origEvent->diff($newEvent); $someOtherEvent->add($diff); Using the DateTime::add() method seems to work whether we are adding or subtracting time from $someOtherEvent. Is this the correct way to do this? I know there is DateTime::sub() used for subtracting

Convert DateTime to String PHP I before researched a lot of Website on how can i convert PHP DateTime object to String. I always see "String to DateTime" and not "DateTime to String" PHP DateTime can be echoed, but what i want to process my DateTime with PHP string functions. Now my question is how can I make PHP dateTime Object to a string starting from this kind of codes <?php $dts = new DateTime(); //this returns the current date time echo strlen($dts); ?> Solution:

Convert javascript datetime into php datetime I want to change  javascript date Mon Jun 23 2014 16:17:05 GMT+0530 (India Standard Time) into PHP datetime. I tried echo date('Y-m-d h:i:s', strtotime($expire_time)); where $expire_time is Mon Jun 23 2014 16:17:05 GMT+0530 (India Standard Time) but it is giving1970-01-01 12:00:00. Answer : (India Standard Time) causes the trouble with parsing, so you need to remove it from the string  before calling date(). You can use something like: $expire_time = 'Mon Jun 23 2014 16:17:05 GMT+0530 (India Standard Time)'; $expire_time = substr($expire_time, 0, strpos($expire_time, '(')); echo

PHP DateTime class Namespace I'm use the symfony2 framework and I want to use the PHP's DateTime class (PHP version is 5.3). Here the statement: namespace SDCU\GeneralBundle\Entity; class Country {    public function __construct(){        $this->insertedAt = new DateTime();    } } But, when execute this constructor, I get an error saying that there's no "SDCU\GeneralBundle\Entity\DateTime" class. I've been searching around for DateTime's namespace but with no success... any idea?  Answer: DateTime is in the global namespace, and as "classnames always resolve to the

Should I use field 'datetime' or 'timestamp'? Would you suggest using a datetime or a timestamp field, and why (using MySQL)? I'm working with PHP on the server side. solution: Timestamps in MySQL generally used to track change to records, and are often updated each time the record is changed. If you want to store a specific value you should use a datetime field. If you meant that you want to decide linking using a UNIX timestamp or a native MySQL datetime field,

Convert from MySQL datetime to another format with PHP I have a datetime column in MySQL. How can I convert it to the display as mm/dd/yy H:M (AM/PM) using PHP? Solution : To convert a date retrieved from MySQL into the format requested (mm/dd/yy H:M (AM/PM)): // $datetime is something like: 2014-01-31 13:05:59 $time = strtotime($datetimeFromMysql); $myFormatForView = date("m/d/y g:i A", $time); // $myFormatForView is something like: 01/31/14 1:05 PM Refer to the PHP date formatting options to adjust the format. http://stackoverflow.com/questions/136782/convert-from-mysql-datetime-to-another-format-with-php/5367048#5367048