Differences

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--- collection_class [2020/02/17 09:58] – created sahl
+++ collection_class [2020/02/17 10:29] (current) – sahl
@@ Line 5: / Line 5: @@
 ===== Basic usage =====
-Usually the Collection is the result of using the [[class_filter|Filter]] object, but it can be spawned on its own, passing a Datarecord or an array of Datarecords into the constructor, or adding it later using the add function.
+Usually the Collection is the result of using the [[filter_class|Filter]] object, but it can be spawned on its own, passing a Datarecord or an array of Datarecords into the constructor, or adding it later using the add function.
 <code php>
@@ Line 14: / Line 14: @@
 A datarecord can only contain objects of the same type and will adapt to the first object it receives.
-The collection can be sorted by a specific field using ''sort'' and data can be retrieved using the different get-functions, such as:
+The collection can be sorted by a specific field using ''sort'' and implements the PHP Iterator interface, so it can be used like any iterator:
 <code php>
 $collection->sort('full_name');
-foreach ($collection->getAll() as $user) {
+foreach ($collection as $user) {
     echo $user->full_name;
 }
+</code>
+There are also some more sofisticated get-functions such as getting the value of a single field from the objects in the collection
+<code php>
 foreach ($collection->getAllFullValues('full_name') as $value) {
    echo $value;
 }
 </code>