1 | <?php |
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10 | class CompositeArrayAccess implements \ArrayAccess |
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11 | { |
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12 | /** |
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13 | * @var array |
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14 | */ |
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15 | private $arrays; |
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16 | |||
17 | /** |
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18 | * @param array $arrays |
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19 | */ |
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20 | public function __construct(array $arrays) |
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24 | |||
25 | /** |
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26 | * @param $offset |
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27 | */ |
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28 | public function offsetExists($offset) |
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32 | |||
33 | /** |
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34 | * @param $offset |
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35 | */ |
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36 | public function offsetGet($offset) |
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45 | |||
46 | /** |
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47 | * @param $offset |
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48 | * @param $value |
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49 | */ |
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50 | public function offsetSet($offset, $value) |
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54 | |||
55 | /** |
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56 | * @param $offset |
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57 | */ |
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58 | public function offsetUnset($offset) |
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62 | } |
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63 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: