1 | <?php declare(strict_types = 1); |
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16 | abstract class AbstractMetadataCollector |
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17 | { |
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18 | /** |
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19 | * Metadata collector constructor. |
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20 | * |
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21 | * @param ResolverInterface $resolver |
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22 | */ |
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23 | public function __construct(ResolverInterface $resolver) |
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27 | |||
28 | /** |
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29 | * Collect class metadata from source. |
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30 | * |
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31 | * @param mixed $source Input source for collecting class metadata |
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32 | * |
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33 | * @param array $classesMetadata |
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34 | * |
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35 | * @return array|metadata\ClassMetadata[] Collected class metadata collection |
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36 | */ |
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37 | abstract public function collect($source, array $classesMetadata = []) : array; |
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38 | } |
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39 |
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: