1 | <?php |
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7 | abstract class Transform |
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8 | { |
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9 | protected $bulider; |
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10 | |||
11 | public function __construct(Builder $builder) |
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15 | |||
16 | public function getBuilder() |
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20 | |||
21 | /** |
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22 | * Impelment in all discrete classes |
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23 | * @param array $config input |
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24 | * @return array output config |
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25 | */ |
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26 | abstract public function transform($config); |
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27 | } |
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28 |
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: