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<?php |
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/** |
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* Webino™ (http://webino.sk) |
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* |
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* @link https://github.com/webino/event-emitter |
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* @copyright Copyright (c) 2019 Webino, s.r.o. (http://webino.sk) |
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* @author Peter Bačinský <[email protected]> |
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* @license BSD-3-Clause |
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*/ |
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namespace Webino; |
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/** |
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* Class EventResults |
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* @package event-emitter |
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*/ |
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class EventResults implements |
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EventResultsInterface |
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{ |
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/** |
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* @var array |
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*/ |
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protected $results = []; |
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/** |
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* Create event Results from array values. |
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* |
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* @param array $results Event Results values array |
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*/ |
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public function __construct(array $results = []) |
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{ |
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$this->results = $results; |
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} |
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/** |
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* Add new response. |
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* |
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* @internal |
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* @param mixed $response Event response value |
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* @return void |
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*/ |
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public function add($response): void |
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{ |
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$this->results[] = $response; |
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} |
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/** |
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* Returns first response. |
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* |
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* @api |
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* @return mixed|null |
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*/ |
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public function first() |
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{ |
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return $this->results[0] ?: null; |
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} |
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/** |
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* Returns last response. |
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* |
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* @api |
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* @return mixed|null |
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*/ |
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public function last() |
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{ |
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$index = count($this->results) - 1; |
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return $this->results[$index] ?: null; |
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} |
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/** |
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* Return results as array. |
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* |
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* @return array |
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*/ |
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public function toArray(): array |
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{ |
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return $this->results; |
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} |
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/** |
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* Whether a offset exists. |
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* |
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* @param mixed $offset |
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* @return bool |
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*/ |
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public function offsetExists($offset) |
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{ |
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return array_key_exists($offset, $this->results); |
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} |
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/** |
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* Offset to retrieve. |
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* |
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* @param mixed $offset |
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* @return mixed |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->results[$offset]; |
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} |
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/** |
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* Offset to set. |
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* |
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* @param mixed $offset |
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* @param mixed $value |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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$this->results[$offset] = $value; |
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} |
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/** |
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* Offset to unset. |
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* |
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* @param mixed $offset |
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*/ |
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public function offsetUnset($offset) |
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{ |
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unset($this->results[$offset]); |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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return join('', $this->results); |
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} |
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} |
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webino /
event-emitter
