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<?php |
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/* |
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* This file is part of alchemy/resource-component. |
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* |
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* (c) Alchemy <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Alchemy\Resource\Metadata; |
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use Assert\Assertion; |
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class ArrayMetadataIterator implements MetadataIterator |
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{ |
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/** |
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* @var Metadata[] |
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*/ |
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private $resources; |
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/** |
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* @param Metadata[] $metadataResources |
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*/ |
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public function __construct(array $metadataResources) |
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{ |
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Assertion::allIsInstanceOf($metadataResources, Metadata::class); |
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$this->resources = $metadataResources; |
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} |
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/** |
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* (PHP 5 >= 5.0.0)<br/> |
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* Move forward to next element |
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* @link http://php.net/manual/en/iterator.next.php |
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* @return void Any returned value is ignored. |
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*/ |
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public function next() |
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{ |
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next($this->resources); |
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} |
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/** |
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* (PHP 5 >= 5.0.0)<br/> |
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* Return the key of the current element |
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* @link http://php.net/manual/en/iterator.key.php |
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* @return mixed scalar on success, or null on failure. |
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*/ |
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public function key() |
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{ |
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return key($this->resources); |
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} |
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/** |
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* (PHP 5 >= 5.0.0)<br/> |
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* Checks if current position is valid |
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* @link http://php.net/manual/en/iterator.valid.php |
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* @return boolean The return value will be casted to boolean and then evaluated. |
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* Returns true on success or false on failure. |
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*/ |
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public function valid() |
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{ |
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return key($this->resources) !== null; |
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} |
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/** |
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* (PHP 5 >= 5.0.0)<br/> |
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* Rewind the Iterator to the first element |
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* @link http://php.net/manual/en/iterator.rewind.php |
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* @return void Any returned value is ignored. |
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*/ |
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public function rewind() |
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{ |
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reset($this->resources); |
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} |
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/** |
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* @return Metadata |
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*/ |
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public function current() |
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{ |
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return current($this->resources); |
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} |
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} |
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alchemy-fr /
resource-component
