| 1 | <?php |
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| 19 | abstract class Collection extends ObjectRegistry implements IteratorAggregate |
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| 20 | { |
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| 21 | use InstanceConfigTrait; |
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| 22 | |||
| 23 | /** |
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| 24 | * Config array. |
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| 25 | * |
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| 26 | * @var array |
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| 27 | */ |
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| 28 | protected $_defaultConfig = []; |
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| 29 | |||
| 30 | /** |
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| 31 | * Constructor |
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| 32 | * |
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| 33 | * @param array $config Configuration |
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| 34 | */ |
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| 35 | public function __construct(array $config = []) |
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| 47 | |||
| 48 | /** |
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| 49 | * Returns true if a collection is empty. |
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| 50 | * |
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| 51 | * @return bool |
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| 52 | */ |
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| 53 | public function isEmpty() |
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| 57 | |||
| 58 | /** |
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| 59 | * Returns iterator. |
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| 60 | * |
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| 61 | * @return \ArrayIterator |
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| 62 | */ |
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| 63 | public function getIterator() |
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| 67 | } |
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| 68 |