| 1 | <?php |
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| 22 | class AttachmentPanel extends AbstractModifier |
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| 23 | { |
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| 24 | /** |
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| 25 | * @var ArrayManager |
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| 26 | */ |
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| 27 | private $arrayManager; |
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| 28 | |||
| 29 | /** |
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| 30 | * @var array |
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| 31 | */ |
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| 32 | private $meta = []; |
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| 33 | |||
| 34 | /** |
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| 35 | * @param ArrayManager $arrayManager |
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| 36 | */ |
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| 37 | public function __construct(ArrayManager $arrayManager) |
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| 41 | |||
| 42 | /** |
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| 43 | * @param array $data |
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| 44 | * @return array $data |
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| 45 | */ |
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| 46 | public function modifyData(array $data) : array |
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| 50 | |||
| 51 | /** |
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| 52 | * @param array $meta |
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| 53 | * @return array $meta |
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| 54 | */ |
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| 55 | public function modifyMeta(array $meta) : array |
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| 72 | } |
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| 73 |
Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArrayis initialized the first time when the foreach loop is entered. You can also see that the value of thebarkey is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.