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<?php |
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namespace ByTIC\DataObjects\Casts\Metadata; |
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use ArrayObject as BaseArrayObject; |
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use JsonSerializable; |
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use Serializable; |
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/** |
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* Class ArrayObject |
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* @package ByTIC\DataObjects\Casts\Metadata |
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*/ |
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class Metadata extends BaseArrayObject implements JsonSerializable, Serializable |
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{ |
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/** |
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* @var null|callable |
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*/ |
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protected $observer = null; |
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/** |
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* @param string $key |
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* @param $default |
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* @return mixed |
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*/ |
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public function get(string $key, $default = null) |
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{ |
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if (strpos($key, '.') === false) { |
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$value = $this->getByKey($key); |
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} else { |
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$value = $this->getByPath($key); |
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} |
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return $value === null ? $default : $value; |
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} |
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/** |
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* @param $name |
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* @param $value |
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* @return $this |
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*/ |
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public function set($name, $value) |
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{ |
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return $this->setDataItem($name, $value); |
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} |
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/** |
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* @param string $key |
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* @return mixed|null |
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*/ |
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public function getByKey($key) |
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{ |
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if ($this->hasByKey($key)) { |
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return $this[$key]; |
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} |
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return null; |
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} |
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/** |
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* Determine if the given configuration value exists. |
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* |
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* @param string $key |
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* @return bool |
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*/ |
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public function hasByKey($key) |
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{ |
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return isset($this[$key]); |
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} |
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/** |
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* @param string $path |
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* @return string |
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*/ |
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protected function getByPath(string $path) |
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{ |
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$segments = explode('.', $path); |
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$value = $this; |
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foreach ($segments as $segment) { |
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if (isset($value[$segment])) { |
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$value = $value[$segment]; |
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} else { |
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return null; |
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} |
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} |
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return $value; |
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} |
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/** |
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* @param $name |
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* @param $value |
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* @return $this |
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*/ |
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protected function setDataItem($name, $value) |
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{ |
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if (null === $name) { |
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$this[] = $value; |
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return $this; |
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} |
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if (strpos($name, '.') === false) { |
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$this[$name] = $value; |
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return $this; |
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} |
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$parts = explode('.', $name); |
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$ptr =& $this; |
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if (is_array($parts)) { |
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foreach ($parts as $part) { |
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if ('[]' == $part) { |
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if (is_array($ptr)) { |
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$ptr =& $ptr[]; |
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} |
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} else { |
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if (!isset($ptr[$part])) { |
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$ptr[$part] = []; |
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} |
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$ptr =& $ptr[$part]; |
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} |
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} |
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} |
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$ptr = $value; |
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$this->callObserver(); |
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return $this; |
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} |
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/** |
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* Get the instance as an array. |
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* |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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return $this->getArrayCopy(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function serialize() |
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{ |
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return serialize($this->toArray()); |
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} |
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/** |
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* Constructs the object. |
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* @link https://php.net/manual/en/serializable.unserialize.php |
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* @param string $serialized The string representation of the object. |
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* @return void |
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*/ |
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public function unserialize($data) |
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{ |
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$data = @unserialize($data); |
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if (!is_array($data)) { |
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return; |
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} |
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foreach ($data as $property => $value) { |
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$this[$property] = $value; |
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} |
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} |
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/** |
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166
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* Get the array that should be JSON serialized. |
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* |
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* @return array |
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*/ |
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public function jsonSerialize() |
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{ |
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return $this->getArrayCopy(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function offsetSet($key, $value) |
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{ |
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parent::offsetSet($key, $value); |
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$this->callObserver(); |
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} |
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/** |
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* @param callable|null $observer |
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* @return Metadata |
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*/ |
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public function setObserver(?callable $observer): self |
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{ |
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$this->observer = $observer; |
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return $this; |
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} |
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protected function callObserver() |
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{ |
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call_user_func($this->observer, $this); |
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} |
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} |
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