RE: [PHP] subtracting time from date and time
| From: | Richard Kurth | Date: | Mon, 18 Jun 2007 19:30:36 +0000 |
| Subject: | RE: [PHP] subtracting time from date and time | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-257333@lists.php.net to get a copy of this message | ||
You are right I was looking at it as 0735 was in the morning sorry about
that.
In that case it works perfect
> -----Original Message-----
> From: Jim Lucas [mailto:lists@cmsws.com]
> Sent: Monday, June 18, 2007 12:21 PM
> To: Richard Kurth
> Cc: php-general@lists.php.net
> Subject: Re: [PHP] subtracting time from date and time
>
> Richard Kurth wrote:
> >
> >
> >> -----Original Message-----
> >> From: Chris Boget [mailto:chris.boget@wild.net]
> >> Sent: Monday, June 18, 2007 10:55 AM
> >> To: Brad Bonkoski; Richard Kurth
> >> Cc: php-general@lists.php.net
> >> Subject: Re: [PHP] subtracting time from date and time
> >>
> >>> Something like this will get it into a time stamp...and
> >> then you can
> >>> do your calculations with ease, and reformat...
> >>> <?php
> >>> $str = "20070617T193500";
> >>> list($date, $time) = explode("T",$str); ?>
> >> Even easier:
> >>
> >> $timestamp = strtotime( $str );
> >> http://us2.php.net/manual/en/function.strtotime.php
> >>
> >> $oneMinute = 60; // seconds
> >> $oneHour = $oneMinute * 60;
> >> $oneDay = $oneHour * 24;
> >>
> >> echo '5 minutes ago: ' . date( 'm/d/Y h:i:s', $timestamp - (
> >> $oneMinute *
> >> 5 ));
> >> echo '5 hours ago: ' . date( 'm/d/Y h:i:s', $timestamp - (
> $oneHour *
> >> 5 )); echo '5 days ago: ' . date( 'm/d/Y h:i:s', $timestamp - (
> >> $oneDay * 5 ));
> >
> > This works great tell you get to 8 hours ago it shows the
> correct time
> > but it does not change the date to the day before. 8 hours
> ago should
> > be
> > 06/16/2007 11:35:00 but what it shows is 06/17/2007 11:35:00
> >
> > $str = "20070617T193500";
>
> Notice that this time stamp is formatted in 24/hr days.
>
> so
> year 2007
> month 6
> day 17
>
> hour 19 = 7pm (not 7am)
> minute 15
> second 00
>
>
> > $timestamp = strtotime( $str );
> > $oneMinute = 60; // seconds
> > $oneHour = $oneMinute * 60;
> > $oneDay = $oneHour * 24;
> > echo 'time: ' . date( 'm/d/Y h:i:s', $timestamp );
> echo"<br>"; echo '5
> > minutes ago: ' . date( 'm/d/Y h:i:s', $timestamp - (
> $oneMinute *5 ));
> > echo"<br>"; echo '15 minutes ago: ' . date( 'm/d/Y
> > h:i:s',
> $timestamp
> > - ( $oneMinute *15 )); echo"<br>"; echo '30 minutes ago: ' .
> > date(
> > 'm/d/Y h:i:s', $timestamp - ( $oneMinute *30 ));
> echo"<br>"; echo '1
> > hours ago: ' . date( 'm/d/Y h:i:s', $timestamp - ( $oneHour * 1 ));
> > echo"<br>"; echo '2 hours ago: ' . date( 'm/d/Y
> > h:i:s',
> $timestamp - (
> > $oneHour * 2 )); echo"<br>"; echo '5 hours ago: ' . date(
> > 'm/d/Y
> > h:i:s', $timestamp - ( $oneHour * 5 )); echo"<br>"; echo '7
> > hours
> > ago: ' . date( 'm/d/Y h:i:s', $timestamp - ( $oneHour * 7 ));
> > echo"<br>"; echo '8 hours ago: ' . date( 'm/d/Y
> > h:i:s',
> $timestamp - (
> > $oneHour * 8));
> >
>
>
> --
> Jim Lucas
>
> "Some men are born to greatness, some achieve greatness,
> and some have greatness thrust upon them."
>
> Twelfth Night, Act II, Scene V
> by William Shakespeare
>
> --
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