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121 lines
3.2 KiB
121 lines
3.2 KiB
<?php
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namespace p3k;
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class Geocoder {
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public static function adrFromLocation($lat, $lng) {
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$response = self::_reverse($lat, $lng);
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if(!$response)
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return false;
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if(!property_exists($response, 'address'))
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return false;
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$address = $response->address;
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$result = new geocode\Result;
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$result->latitude = $lat;
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$result->longitude = $lng;
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if(property_exists($address, 'Postal'))
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$result->postalCode = $address->Postal;
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if(property_exists($address, 'Region'))
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$result->regionName = $address->Region;
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if(property_exists($address, 'City'))
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$result->localityName = $address->City;
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elseif(property_exists($address, 'Subregion'))
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$result->localityName = $address->Subregion;
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elseif(property_exists($address, 'Neighborhood'))
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$result->localityName = $address->Neighborhood;
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if(property_exists($address, 'CountryCode'))
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$result->countryName = $address->CountryCode;
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return $result;
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}
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public static function geocode($input) {
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$response = self::_geocode($input);
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if(!$response || count($response->locations) == 0)
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return false;
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$location = $response->locations[0];
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$attributes = $location->feature->attributes;
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$geometry = $location->feature->geometry;
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$result = new geocode\Result;
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if($geometry) {
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$result->latitude = $geometry->y;
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$result->longitude = $geometry->x;
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}
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if($attributes->City)
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$result->localityName = $attributes->City;
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if($attributes->Region)
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$result->regionName = $attributes->Region;
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if($attributes->Country)
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$result->countryName = $attributes->Country;
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if($attributes->Postal) {
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$result->postalCode = $attributes->Postal;
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} else {
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// If no postal code is returned, but there was coordinates, then reverse geocode to find the postal code
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if($geometry) {
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$rev = self::_reverse($result->latitude, $result->longitude);
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if($rev && property_exists($rev->address, 'Postal')) {
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$result->postalCode = $rev->address->Postal;
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}
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}
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}
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if($location->name)
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$result->fullAddress = $location->name;
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return $result;
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}
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private static function _reverse($lat, $lng) {
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, 'http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer/reverseGeocode?location='.$lng.'%2C'.$lat.'&outSR=4326&f=json&distance=10000');
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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// curl_setopt($ch, CURLOPT_USERAGENT, '');
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curl_setopt($ch, CURLOPT_TIMEOUT, 5);
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$result = curl_exec($ch);
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if($result == FALSE)
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return FALSE;
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return json_decode($result);
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}
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private static function _geocode($input) {
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$ch = curl_init();
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$params = [
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'f' => 'json',
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'outSR' => 4326,
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'text' => $input,
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'outFields' => 'City,Region,Country,Postal',
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];
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curl_setopt($ch, CURLOPT_URL, 'http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer/find?' . http_build_query($params));
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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// curl_setopt($ch, CURLOPT_USERAGENT, '');
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curl_setopt($ch, CURLOPT_TIMEOUT, 5);
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$result = curl_exec($ch);
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if($result == FALSE)
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return FALSE;
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return json_decode($result);
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}
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}
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