| 1 | <?php  | 
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| 16 | class Metadata implements SimpleCollectionInterface  | 
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| 17 | { | 
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| 18 | private $metadata;  | 
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| 19 | |||
| 20 | |||
| 21 | /**  | 
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| 22 | * @param $message  | 
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| 23 | */  | 
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| 24 | function __construct($message)  | 
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| 25 |     { | 
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| 26 | $this->metadata = [];  | 
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| 27 |         if (property_exists($message, 'metadata') && isset($message->metadata)) { | 
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| 28 | $this->metadata = (Array)$message->metadata;  | 
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| 29 | }  | 
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| 30 | }  | 
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| 31 | |||
| 32 | |||
| 33 | /**  | 
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| 34 | * Returns an object of all the metadata keys  | 
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| 35 | *  | 
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| 36 | * @return stdClass  | 
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| 37 | */  | 
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| 38 | public function all()  | 
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| 42 | |||
| 43 | |||
| 44 | /**  | 
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| 45 | * Has metadata key  | 
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| 46 | *  | 
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| 47 | * @param string $key  | 
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| 48 | *  | 
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| 49 | * @return boolean  | 
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| 50 | */  | 
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| 51 | public function has($key)  | 
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| 58 | |||
| 59 | |||
| 60 | /**  | 
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| 61 | * Get metadata value  | 
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| 62 | *  | 
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| 63 | * @param string $key  | 
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| 64 | *  | 
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| 65 | * @return string  | 
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| 66 | */  | 
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| 67 | public function get($key)  | 
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| 74 | }  | 
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| 75 | 
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.