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<?php |
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namespace Ballen\Distical\Entities; |
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/** |
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* Distical |
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* |
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* Distical is a simple distance calculator library for PHP 5.3+ which |
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* amongst other things can calculate the distance between two or more lat/long |
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* coordinates. |
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* |
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* @author Bobby Allen <[email protected]> |
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* @license http://opensource.org/licenses/MIT |
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* @link https://github.com/allebb/distical |
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* @link http://bobbyallen.me |
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* |
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*/ |
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class LatLong |
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{ |
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/** |
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* Validation regex for Latitude parameters. |
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*/ |
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const LAT_VALIDATION_REGEX = "/^[-]?(([0-8]?[0-9])\.(\d+))|(90(\.0+)?)$/"; |
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/** |
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* Validation regex for Longitude parameters. |
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*/ |
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const LNG_VALIDATION_REGEX = "/^[-]?((((1[0-7][0-9])|([0-9]?[0-9]))\.(\d+))|180(\.0+)?)$/"; |
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/** |
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* The latitude coordinate. |
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* @var double |
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*/ |
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protected $latitude; |
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/** |
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* The longitude coordinate. |
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* @var double |
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*/ |
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protected $longitude; |
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/** |
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* Create a new latitude and longitude object. |
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* @param double $lat The latitude coordinate. |
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* @param double $lng The longitude coordinate. |
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* @throws \InvalidArgumentException |
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*/ |
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public function __construct($lat, $lng) |
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{ |
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$this->latitude = $lat; |
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$this->longitude = $lng; |
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if (!$this->validateLat()) { |
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throw new \Ballen\Distical\Exceptions\InvalidLatitudeFormatException('The latitude parameter is invalid, value must be between -90 and 90'); |
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} |
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if (!$this->validateLng()) { |
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throw new \Ballen\Distical\Exceptions\InvalidLongitudeFormatException('The longitude parameter is invalid, value must be between -180 and 180'); |
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} |
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} |
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/** |
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* Validates the Latitude value. |
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* |
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* @return boolean |
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*/ |
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private function validateLat() |
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{ |
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if (($this->latitude >= -90) && ($this->latitude <= 90)) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Validates the Longitude value. |
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* @return boolean True if validation passes. |
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*/ |
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private function validateLng() |
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{ |
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if (($this->longitude >= -180) && ($this->longitude <= 180)) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Returns the current Latitude coordinate. |
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* @return double |
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*/ |
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public function getLatitude() |
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{ |
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return $this->latitude; |
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} |
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/** |
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* Returns the current Longitude coordinate. |
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* @return double |
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*/ |
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public function getLongitude() |
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{ |
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return $this->longitude; |
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} |
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/** |
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* Alias of getLatitude |
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* @return double |
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*/ |
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public function lat() |
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{ |
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return $this->getLatitude(); |
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} |
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/** |
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* Alias of getLongitude |
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* @return double |
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*/ |
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public function lng() |
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{ |
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return $this->getLongitude(); |
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} |
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} |
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allebb /
distical
