PHP - Function date_date_set()



void date_date_set ( DateTime $object, int $year, int $month, int $day );

void DateTime::setDate ( int $year, int $month, int $day )

Definition and Usage

These functions set the date into given DateTime object. After this call object will have new date set.

The above two functions are equivalent and any of the functions can be used as shown below in the example.


Parameter Description
object Required. DateTime object
year Required. Year of the date.
month Required. Month of the date.
day Required. Day of the date.

Return Value

Returns NULL on success or FALSE on failure.


Following is the usage of this function −

   $dateSrc = '2005-04-19 12:50 GMT';
   $dateTime = date_create( $dateSrc);;
   # Now set a new date using date_date_set();
   date_date_set( $dateTime, 2000, 12, 12);
   echo "New Formatted date is ". $dateTime->format("Y-m-d\TH:i:s\Z");
   echo "<br />";

   # Using second function.
   $dateTime = new DateTime($dateSrc);
   $dateTime->setDate( 1999, 10, 12);
   echo "New Formatted date is ". $dateTime->format("Y-m-d\TH:i:s\Z");

This will produce the following result −

New Formatted date is 2000-12-12T12:50:00Z
New Formatted date is 1999-10-12T12:50:00Z