php string in a date format, add 12 hours

Question

I have this string object in my php array

\"2013-03-05 00:00:00+00\"

I would like to add 12 hours to the entry within PHP, then save it back to

Answer 1

Use this to add hours,

$date1= "2014-07-03 11:00:00";
$new_date= date("Y-m-d H:i:s", strtotime($date1 . " +3 hours"));
echo $new_date;