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<?php |
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/** |
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* OpenWeatherMap-PHP-API — A php api to parse weather data from http://www.OpenWeatherMap.org . |
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* |
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* @license MIT |
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* |
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* Please see the LICENSE file distributed with this source code for further |
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* information regarding copyright and licensing. |
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* |
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* Please visit the following links to read about the usage policies and the license of |
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* OpenWeatherMap before using this class: |
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* |
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* @see http://www.OpenWeatherMap.org |
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* @see http://www.OpenWeatherMap.org/terms |
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* @see http://openweathermap.org/appid |
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*/ |
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namespace Cmfcmf\OpenWeatherMap; |
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use Cmfcmf\OpenWeatherMap; |
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use Cmfcmf\OpenWeatherMap\Util\City; |
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use Cmfcmf\OpenWeatherMap\Util\Sun; |
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/** |
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* Weather class returned by Cmfcmf\OpenWeatherMap->getWeather(). |
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* |
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* @see Cmfcmf\OpenWeatherMap::getWeather() The function using it. |
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*/ |
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class WeatherForecast implements \Iterator |
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{ |
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/** |
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* A city object. |
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* |
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* @var Util\City |
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*/ |
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public $city; |
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/** |
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* A sun object |
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* |
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* @var Util\Sun |
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*/ |
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public $sun; |
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/** |
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* The time of the last update of this weather data. |
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* |
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* @var \DateTime |
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*/ |
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public $lastUpdate; |
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/** |
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* An array of {@link Forecast} objects. |
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* |
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* @var Forecast[] |
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* |
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* @see Forecast The Forecast class. |
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*/ |
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private $forecasts; |
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/** |
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* @internal |
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*/ |
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private $position = 0; |
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/** |
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* Create a new Forecast object. |
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* |
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* @param $xml |
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* @param string $units |
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* @param int $days How many days of forecast to receive. |
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* |
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* @internal |
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*/ |
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public function __construct($xml, $units, $days) |
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{ |
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$this->city = new City($xml->location->location['geobaseid'], $xml->location->name, $xml->location->location['longitude'], $xml->location->location['latitude'], $xml->location->country); |
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$utctz = new \DateTimeZone('UTC'); |
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$this->sun = new Sun(new \DateTime($xml->sun['rise'], $utctz), new \DateTime($xml->sun['set'], $utctz)); |
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$this->lastUpdate = new \DateTime($xml->meta->lastupdate); |
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$today = new \DateTime(); |
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$today->setTime(0, 0, 0); |
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$counter = 0; |
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foreach ($xml->forecast->time as $time) { |
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$date = new \DateTime(isset($time['day']) ? $time['day'] : $time['to']); |
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if ($date < $today) { |
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// Sometimes OpenWeatherMap returns results which aren't real |
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// forecasts. The best we can do is to ignore them. |
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continue; |
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} |
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$forecast = new Forecast($time, $units); |
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$forecast->city = $this->city; |
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$forecast->sun = $this->sun; |
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$this->forecasts[] = $forecast; |
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$counter++; |
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// Make sure to only return the requested number of days. |
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if ($days <= 5 && $counter == $days * 8) { |
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break; |
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} elseif ($days > 5 && $counter == $days) { |
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break; |
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} |
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} |
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} |
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/** |
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* @internal |
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*/ |
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public function rewind() |
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{ |
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$this->position = 0; |
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} |
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/** |
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* @internal |
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*/ |
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public function current() |
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{ |
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return $this->forecasts[$this->position]; |
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} |
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/** |
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* @internal |
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*/ |
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1 |
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public function key() |
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{ |
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return $this->position; |
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} |
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/** |
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* @internal |
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*/ |
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public function next() |
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{ |
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++$this->position; |
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} |
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/** |
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* @internal |
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*/ |
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public function valid() |
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{ |
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return isset($this->forecasts[$this->position]); |
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} |
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} |
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cmfcmf /
OpenWeatherMap-PHP-API
