Re: Basic Dual Query Combine into one question

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I can't thanks you enough for your excellent help - but I'll try...

THANK YOU - THANK YOU - THANK YOU !


On Jan 29, 2015, at 5:57 PM, Christoph Becker <cmbecker69@xxxxxx> wrote:

> dealTek wrote:
> 
>> Q: I think when I tried to sort on numeric field is came back as text
>> type sort...
>> 
>> Is there  a way to designate a numeric sort on certain fields?
> 
> Yes, of course.  An example is given on the manual page[1].  However, I
> consider that somewhat clumsy.  Instead you could do:
> 
>  function cmp($a, $b)
>  {
>      return $a - $b;
>  }
> 
> I suggest to mentally walk through some examples (e.g. cmp(3, 4); cmp(4,
> 3); cmp(3,3)) to better understand what's happening.
> 
>> Q: Is it also possible to sort a more than 1 field like sort on
>> Contact_Last & also State field at same time?
> 
> Yes, for instance:
> 
>  function cmp($a, $b)
>  {
>      $result = strcmp(
> 	  $a->getField('Contact_Last'),
> 	  $b->getField('Contact_Last')
>      );
>      // indifferent, i.e. last names are identical, so sort by state
>      if (!$result) {
>          $result = strcmp(
>              $a->getField('State'),
>              $b->getField('State')
>          );
>      }
>      return $result;
>  }
> 
> Probably you want to exchange the conditions (i.e. sort by state first,
> then sort by last name), but that depends on your use-case.
> 
> Note, that strcmp() is case sensitive, and that there is strcasecmp()
> which is case insensitive.  Also note, that both depend on the current
> locale AFAIK, and that it might be necessary to use the Collator class[2].
> 
> Sorting can get very tricky... :(
> 
> [1] <http://php.net/manual/en/function.usort.php>
> [2] <http://php.net/manual/en/class.collator.php>
> 
> -- 
> Christoph M. Becker


--
Thanks,
Dave - DealTek
dealtek@xxxxxxxxx
[db-15]


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