Elgg  Version 3.0
Collection.php
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1 <?php
2 
3 namespace Elgg\Structs;
4 
5 use Countable;
6 use Iterator;
7 
33 interface Collection extends Countable, Iterator {
34 
42  public function filter(callable $filter);
43 
51  public function contains($item);
52 
63  public function map(callable $mapper);
64 }
if(!$items) $item
Definition: delete.php:13
map(callable $mapper)
Take items of the collection and return a new collection with all the items having the $mapper applie...
contains($item)
Returns true iff the item is in this collection at least once.
A read-only interface to a (possibly mutable) group of items.
Definition: Collection.php:33
$filter
Layout body.
Definition: body.php:18
filter(callable $filter)
Returns a new collection only containing the elements which pass the filter.