Re: Assign values in foreach-loop

In case it hasnt been said already, as long as your array has numeric and consecutive keys, you could use 'for' instead of 'foreach'. Jason On 9/7/05, Gustav Wiberg <gustav@varupiraten.se> wrote: > > > ----- Original Message ----- > From: "Sabine" <phpdev@sric.de> > To: "PHP general" <php-general@lists.php.net> > Sent: Wednesday, September 07, 2005 7:14 PM > Subject: [PHP] Assign values in foreach-loop > > > > Hello to all, > > > > is it possible to assign values to the array for which I do the > > foreach-loop? > > > > foreach ($_SESSION['arr1'] as $arr1) { > > foreach ($_SESSION['arr2'] as $arr2) { > > if ($arr1['id'] == $arr2['id']) { > > $arr1['selected'] = true; > > } > > } } > > > > I think $arr1 is only a temp-var, so the assignment won't reflect on > > $_SESSION['arr1'] . Is that right? > > Surely I can do it with a for-loop, but those arrays are a bit complex > and > > a foreach would be much easier to read. > > > > Thanks in advance for your answers > > Sabine > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > > > > -- > > No virus found in this incoming message. > > Checked by AVG Anti-Virus. > > Version: 7.0.344 / Virus Database: 267.10.18/91 - Release Date: > 2005-09-06 > > > > > Hi there! > > Why not set $_SESSION['arr1'] = true ? > > > foreach ($_SESSION['arr1'] as $arr1) { > > foreach ($_SESSION['arr2'] as $arr2) { > > if ($arr1['id'] == $arr2['id']) { > > $_SESSION['arr1'] = true; > > } > > } } > > > > I think $arr1 is only a temp-var, so the assignment won't reflect on > > $_SESSION['arr1'] . Is that right? > > I might add that is not always a good thing to use true or false with > sessions. Use 1 and 0 instead. (or two diffrent numbers or anything else > but > true or false) > > /G > http://www.varupiraten.se/ > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >