Reply to Re: can you foreach() two arrays at once ?

Your name:

Reply:


Posted by J. Frank Parnell on 09/07/07 15:57

On Fri, 07 Sep 2007 07:22:46 -0400, Jerry Stuckle <jstucklex@attglobal.net>
wrote:

>J. Frank Parnell wrote:
>> On Thu, 06 Sep 2007 21:41:27 -0400, Jerry Stuckle <jstucklex@attglobal.net>
>> wrote:
>>
>>> J. Frank Parnell wrote:
>>>> Hello,
>>>> So, I was wondering how to do this:
>>>>
>>>> foreach($foo as $k=>$v AND $bar as $k2=>$v2){
>>>> echo '<TR><TD>$k</TD><TD>$v</TD><TD>$k2</TD><TD>$v2</TD></TR>;
>>>> }
>>>>
>>>> Thanks,
>>> No.
>>>
>>> However, you can use "each" to do the same thing, i.e.
>>>
>>> reset $array1;
>>> reset $array2;
>>>
>>> for ((list($key1, $val1) = each($array1)) &&
>>> (list($key2, $val2) = each($array2)) {
>>> // $key1 and val1 contain the key and value for an element in $array1
>>> // $key2 and val2 contain the key and value for an element in $array2
>>> // Do your stuff here
>>> }
>>>
>>> It will stop as soon as you run out of elements in either array.
>>
>> Ah, cool, I saw similar on the php.net. Is there a way to do it so that it will
>> go thru all of both, even if one runs out?
>>
>
>What do you want to do with the array which runs out? And what do you
>want to do with the array with items left?

I figured the var that ran out would just be empty while the other var is still
listing, eaching, etc. It might be handy to be able to specify a default value
instead of empty, like &nbsp for the table exapmle above. Looks like I could
just stick a little if() in Satya's code.

[Back to original message]


Удаленная работа для программистов  •  Как заработать на Google AdSense  •  England, UK  •  статьи на английском  •  PHP MySQL CMS Apache Oscommerce  •  Online Business Knowledge Base  •  DVD MP3 AVI MP4 players codecs conversion help
Home  •  Search  •  Site Map  •  Set as Homepage  •  Add to Favourites

Copyright © 2005-2006 Powered by Custom PHP Programming

Сайт изготовлен в Студии Валентина Петручека
изготовление и поддержка веб-сайтов, разработка программного обеспечения, поисковая оптимизация