On 4/1/2013 2:32 PM, Mattias Thorslund wrote:
On 4/1/13 11:15 AM, Mattias Thorslund wrote:
On 4/1/13 11:05 AM, Jim Giner wrote:
I'm looking for some ideas on how to handle the following get a
datetime value that is relative to a specific future date when
presented with a partial day &time value.

Specifically, I have an appl that requires some lengthy input
involving days and times.  I have streamlined the d/e effort so that
it can be done entirely using the number keypad (if available), or
else just with numeric entries.  Works great, very quick (JS) and
accurate.  Basically the users type some numbers and end up with
something like:

Sat 08:00am  or Fri 07:00pm etc.

Does anyone have an idea on how I can convert this value to a true
datetime value for my database updates, where the above value is
relative to a specific date in the future?  IE, the d/e takes place a
few days before a certain upcoming date and I want my entry of "Sat"
to translate to the Saturday following that certain date.  This could
take place one to two weeks prior to the start date, so just adding
"next" to the value above won't work.  I really need to incorporate a
specific date in the solution.

Thoughts anyone?

Use strtotime() to get a UNIX time stamp, then use date() to format it
as you like.

$myDate = strtotime("wed 11:00 am"); //1365012000
echo date("Y-m-d H:i:s", $myDate); //2013-04-03 11:00:00

On two lines for clarity.



I'm sorry, I didn't read the last part of your question too closely.

strtotime() should help you there as well. Just put the timestamp of the
date to compare the string expression to as the second parameter.

$relativeToDate = strtotime("2013-04-04"); //1365058800
$myDate = strtotime("wed 11:00 am", $relativeToDate); //1365616800
echo date("Y-m-d H:i:s", $myDate); //2013-04-10 11:00:00

For more advanced date manipulation, there are the Date/Time functions
but this is simple stuff. You can even do it OO-style with the DateTime
class & Co.


Thanks for this - I'll experiment and see if I have it. Basically I never read the strtotime doc close enough to get past the word "now" in the syntax. Obviously it is EXACTLY what I needed.

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