| 1 | <?php  | 
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| 20 | class Options  | 
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| 21 | { | 
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| 22 | /**  | 
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| 23 | * Options constructor.  | 
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| 24 | *  | 
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| 25 | * @param array $options  | 
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| 26 | */  | 
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| 27 | 26 | public function __construct(array $options)  | 
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| 31 | |||
| 32 | /**  | 
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| 33 | * Return a option value.  | 
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| 34 | *  | 
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| 35 | * @param string $name  | 
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| 36 | * @param mixed $default  | 
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| 37 | * @return mixed  | 
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| 38 | */  | 
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| 39 | 6 | public function get($name, $default = null)  | 
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| 43 | |||
| 44 | /**  | 
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| 45 | * Return all options.  | 
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| 46 | *  | 
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| 47 | * @return array  | 
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| 48 | */  | 
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| 49 | 8 | public function getAll()  | 
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| 53 | }  | 
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| 54 | 
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: