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POReverse the order of a Doctrine_Collection
primarykey
Id
9802940
data
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9803043
AnswerCount
7
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-03-21T10:43:09.193
FavoriteCount
2
LastActivityDate
2018-01-30T16:28:08.090
LastEditDate
2012-03-28T15:27:12.563
LastEditorUserId
652005
OwnerUserId
652005
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PostTypeId
1
Score
9
ViewCount
13589
LastEditorDisplayName
text
Body
I'm looking for a clean way to reverse the order of a Doctrine_Collection. I know it sounds weird, so let me explain my (simple) goal: I need to display the x latest/newest record, but I have to display it in the reverse order: the oldest 1st, etc. If it's unclear, here is an example : Lets say I have this in my table (lets call it 'example') : <pre><code>id date 1 2012-01-21 2 2012-03-19 3 2012-02-21 4 2012-03-21 </code></pre> So far, I've done this: <pre><code>Doctrine::getTable('Example')->createQuery('d') ->orderBy('date DESC') ->limit(3); </code></pre> Which returns that <pre><code>id date 4 2012-03-21 2 2012-03-19 3 2012-02-21 </code></pre> But I want that: <pre><code>id date 3 2012-02-21 2 2012-03-19 4 2012-03-21 </code></pre> <hr> Edit: I've found a solution to this, using intermediate array & using array_reverse on it. But it doesn't look good :( Here is the code I've written: <pre><code> $query = Doctrine::getTable('Example') ->createQuery('e') ->orderBy('date DESC') ->limit(3) $collection = $query->execute(); //Here is the dirty hack: $itemArray = array(); foreach ($collection as $item) { $itemArray[] = $item; } $itemArray = array_reverse($itemArray); $orderedCollection = new Doctrine_Collection($doctrineClass); foreach($itemArray as $item) { $orderedCollection->add($item); } //OrderedCollection is OK but... come on! There must be a cleaner way to do it </code></pre> <hr> Edit 2 : answer from @Adam Kiss <pre><code> $query = Doctrine::getTable('Example') ->createQuery('e') ->orderBy('date DESC') ->limit(3) $collection = $query->execute(); //Here is the **lovely** hack: $orderedCollection = new Doctrine_Collection('Example'); for ($i=($collection->count() - 1); $i>=0;$i--) { $orderedCollection->add($collection->get($i)); } </code></pre>
Tags
<php><doctrine><symfony-1.4>
Title
Reverse the order of a Doctrine_Collection
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