| 1 | <?php  | 
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| 22 | abstract class Collection implements \Countable  | 
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| 23 | { | 
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| 24 | /**  | 
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| 25 | * Collection elements  | 
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| 26 | *  | 
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| 27 | * @var array  | 
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| 28 | */  | 
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| 29 | protected $collection = array();  | 
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| 30 | |||
| 31 | /**  | 
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| 32 | * Return value for given offset  | 
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| 33 | *  | 
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| 34 | * @param string $offset  | 
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| 35 | *  | 
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| 36 | * @return mixed  | 
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| 37 | * @throws OutOfRangeException  | 
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| 38 | */  | 
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| 39 | 15 | public function get($offset)  | 
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| 47 | |||
| 48 | /**  | 
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| 49 | * Check if there is element for offset  | 
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| 50 | *  | 
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| 51 | * @param string $offset  | 
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| 52 | *  | 
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| 53 | * @return bool  | 
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| 54 | */  | 
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| 55 | 21 | public function has($offset): bool  | 
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| 59 | |||
| 60 | /**  | 
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| 61 | * Return all elements in collection  | 
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| 62 | *  | 
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| 63 | * @return array  | 
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| 64 | */  | 
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| 65 | 4 | public function all(): array  | 
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| 69 | |||
| 70 | /**  | 
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| 71 | * Count elements of an object  | 
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| 72 | *  | 
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| 73 | * @return int  | 
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| 74 | */  | 
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| 75 | 2 | public function count(): int  | 
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| 79 | }  | 
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| 80 |