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<?php |
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|
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/** |
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* A class that gives get/put/clear access to a single entry in an array. |
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*/ |
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class Dropbox_ArrayEntryStore implements Dropbox_ValueStore |
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{ |
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/** @var array */ |
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private $array; |
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|
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/** @var mixed */ |
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private $key; |
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|
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/** |
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* Constructor. |
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* |
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* @param array $array |
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* The array that we'll be accessing. |
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* |
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* @param mixed $key |
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* The key for the array element we'll be accessing. |
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*/ |
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public function __construct(&$array, $key) |
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{ |
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$this->array = &$array; |
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$this->key = $key; |
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} |
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|
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/** |
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* Returns the entry's current value or <code>null</code> if nothing is set. |
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* |
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* @return object |
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*/ |
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public function get() |
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{ |
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if (isset($this->array[$this->key])) { |
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return $this->array[$this->key]; |
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} else { |
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return null; |
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} |
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} |
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|
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/** |
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* Set the array entry to the given value. |
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* |
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* @param object $value |
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*/ |
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public function set($value) |
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{ |
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$this->array[$this->key] = $value; |
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} |
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|
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/** |
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* Clear the entry. |
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*/ |
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public function clear() |
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{ |
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unset($this->array[$this->key]); |
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} |
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} |
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|
