time difference from time stamp

Discussion in 'PHP' started by assgar, Sep 6, 2008.

0
  1. #1
    Hi

    I am trying to get the number of hours and minutes between
    two time time stamps.

    The expected results should be 1:59 (h:mm) instead I am getting 1:58 (h:mm).
    What is wrong with my approach?

    Is it also possible to use a built in php function so I don't have to
    divide by 60 to convert to hours and minutes?

    [code]
<?

$end_time = "2008-09-05 20:59:13";
$start_time = "2008-09-05 19:00:16";

$end = date("h:i:s",strtotime($end_time));
$start = date("h:i:s",strtotime($start_time));
$diff = strtotime($end)  - strtotime($start);
  
//convert to min and sec
$convert_min = $diff/60;
$convert_sec = $diff % 60;//seconds

//convert to hours and min
$convert_hr = floor($convert_min/60);//hours
$remainder = floor($convert_min % 60);//minutes
	
$total_visit = 	$convert_hr.":".$remainder;	

?>
    PHP:
    [/code]
     
    assgar, Sep 6, 2008 IP
  2. Shoro

    Shoro Peon

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    #2
    The difference between these times isn't 1:59. It's 1:58.95, and the floor command on the remainder line results in it being rounded down to 1:58. If you want it to round up, replace the floor on that line with ceil. If you want it to round off, replace it with round.
     
    Shoro, Sep 6, 2008 IP