RE: [PHP] Array problem

On 17 October 2007 12:09, Merlin wrote: > Hi there, > > I am pulling picture ids out of a db and comment ids. The comments > belong to the pic ids and are stored in two seperate tables. > I am having trouble with the arrays to display them after > pulling out of > the db. > > The data is filled like this: > > while (rows etc.){ > $comment_id[$row->pic_id][] = $row->comment_id; > } > > The goal is to cycle through that array and display the > picture followed > by the belonging comments: > > Picture ID 1 > -Comment 1 to pic_id 1 > -Comment 2 to pic_id 1 > -Comment 3 to pic_id 1 > > Picture ID 2 > -Comment 1 to pic_id 2 > -Comment 2 to pic_id 2 > > That does sound easy, but unfortunatelly I could not figure > it out so far. > > Can somebody give me a hint on how to cycle throug the arrays, or an > alternative way to achive my goal? Something like this should work: foreach ($comment_id as $pic_id=>$comment_ids): echo "Start of information for picture $pic_id"; foreach ($comment_ids as $com_id): echo "Comment $com_id for picture $pic_id"; endforeach; endforeach; Cheers! Mike --------------------------------------------------------------------- Mike Ford, Electronic Information Services Adviser, JG125, The Headingley Library, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: m.ford@leedsmet.ac.uk Tel: +44 113 812 4730 Fax: +44 113 812 3211 To view the terms under which this email is distributed, please go to http://disclaimer.leedsmet.ac.uk/email.htm