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<?php |
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/** |
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* Copyright Andreas Heigl <[email protected]> |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIBILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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* |
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* @author Andreas Heigl<[email protected]> |
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* @copyright Andreas Heigl |
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* @license http://www.opesource.org/licenses/mit-license.php MIT-License |
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* @version 0.0 |
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* @since 04.07.13 |
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* @link https://github.com/heiglandreas/OrgHeiglGeolocation |
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*/ |
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namespace Org_Heigl\Geolocation\Validator; |
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use Zend\Validator\AbstractValidator; |
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/** |
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* Validates a string whether it's a valid Geolocation or not |
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* |
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* Validation checks whether the format is ok and whether the resulting latitude |
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* and longitude are within the range of -90 to 90 degrees. |
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* |
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* @author Andreas Heigl<[email protected]> |
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* @copyright Andreas Heigl |
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* @license http://www.opesource.org/licenses/mit-license.php MIT-License |
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* @version 0.0 |
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* @since 03.07.13 |
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* @link https://github.com/heiglandreas/OrgHeiglGeolocation |
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*/ |
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class IsGeolocation extends AbstractValidator |
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{ |
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const INVALID_FORMAT = 'invalidFormat'; |
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const LATITUDE_OUT_OF_RANGE = 'latitudeOutOfRange'; |
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const LONGITUDE_OUT_OF_RANGE = 'longitudeOutOfRange'; |
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/** |
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* The message templates |
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* |
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* @var $messageTemplates |
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*/ |
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protected $messageTemplates = array( |
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self::INVALID_FORMAT => 'The given value is of an unrecognised format', |
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self::LATITUDE_OUT_OF_RANGE => 'The given latitude exceeds the range of -90 through 90 degrees', |
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self::LONGITUDE_OUT_OF_RANGE => 'The given longitude exceeds the range of -180 through 180 degrees', |
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); |
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/** |
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* Check the given value |
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* |
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* The value has to be a string of the form '[LAT],[LON]' where [LAT] and |
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* [LON] are floating point values with a dot (.) as decimal separator. |
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* Both values are separated by a colon (,). |
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* [LAT] has to be in the rage of -90 through 90, whereas [LON] has to be in the |
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* range of -180 through 180 |
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* |
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* @param string $value The value-string |
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*/ |
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public function isValid($value) : bool |
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{ |
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if (! preg_match('/(?P<lat>[-]?\d{1,2}(\.\d+)?)\D+(?P<lon>[-]?\d{1,3}(\.\d+)?)/', $value, $result)) { |
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$this->error(self::INVALID_FORMAT); |
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return false; |
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} |
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$latitude = (float) $result['lat']; |
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$longitude = (float) $result['lon']; |
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if (-90 > $latitude || 90 < $latitude) { |
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$this->error(self::LATITUDE_OUT_OF_RANGE); |
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return false; |
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} |
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if (-180 > $longitude || 180 < $longitude) { |
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$this->error(self::LONGITUDE_OUT_OF_RANGE); |
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return false; |
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} |
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return true; |
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} |
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} |
heiglandreas /
OrgHeiglGeolocation
