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<?php |
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/** |
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* Basic array implementation of a Collection |
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* |
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* @link http://github.com/PHPExif/php-exif-common for the canonical source repository |
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* @copyright Copyright (c) 2016 Tom Van Herreweghe <[email protected]> |
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* @license http://github.com/PHPExif/php-exif-common/blob/master/LICENSE MIT License |
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* @category PHPExif |
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* @package Common |
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* @codeCoverageIgnore |
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*/ |
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namespace PHPExif\Common\Collection; |
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use PHPExif\Common\Exception\Collection\ElementAlreadyExistsException; |
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use PHPExif\Common\Exception\Collection\ElementNotExistsException; |
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/** |
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* ArrayCollection class |
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* |
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* @category PHPExif |
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* @package Common |
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*/ |
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class ArrayCollection implements Collection |
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{ /** |
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* Holds the entries of the collection |
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* |
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* @var array |
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*/ |
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protected $elements; |
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/** |
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* Collection constructor |
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* |
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* @param array $elements |
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*/ |
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public function __construct(array $elements = array()) |
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{ |
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$this->elements = array(); |
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foreach ($elements as $name => $value) { |
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$this->set($name, $value); |
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} |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function add($value) |
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{ |
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$this->elements[] = $value; |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function set($key, $value) |
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{ |
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if ($this->exists($key)) { |
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throw ElementAlreadyExistsException::withKey($key); |
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} |
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$this->elements[$key] = $value; |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function exists($key) |
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{ |
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return array_key_exists($key, $this->elements); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function get($key) |
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{ |
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if (!$this->exists($key)) { |
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throw ElementNotExistsException::withKey($key); |
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} |
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return $this->elements[$key]; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function count() |
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{ |
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return count($this->elements); |
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} |
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} |
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PHPExif /
php-exif-common
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