255 lines
6.4 KiB
PHP
255 lines
6.4 KiB
PHP
<?php
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/**
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* @file vworld.php
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* @date 2018-01-11
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* @author Go Namhyeon <gnh1201@gmail.com>
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* @brief Geo Helper based on vWorld (vworld.kr, molit.go.kr)
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*/
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if(!function_exists("vworld_utf8_replace")) {
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function vworld_utf8_replace($data) {
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$regex = <<<'END'
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/
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(
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(?: [\x00-\x7F] # single-byte sequences 0xxxxxxx
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| [\xC0-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx
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| [\xE0-\xEF][\x80-\xBF]{2} # triple-byte sequences 1110xxxx 10xxxxxx * 2
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| [\xF0-\xF7][\x80-\xBF]{3} # quadruple-byte sequence 11110xxx 10xxxxxx * 3
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){1,100} # ...one or more times
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)
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| . # anything else
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/x
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END;
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if (is_array($data)) {
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foreach ($data as $k=>$v) {
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$data[$k] = vworld_utf8_replace($v);
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}
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}
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else if (is_string($data)) {
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$data = preg_replace($regex, '$1', $data);
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}
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return $data;
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}
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}
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if(!function_exists("vworld_geocode_keyword")) {
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function vworld_geocode_keyword($keyword, $category="Poi", $multiple=false) {
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global $config;
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$geopoint = array(
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"address" => "",
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"latitude" => "", // y-pos
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"longitude" => "" // x-pos
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);
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$req_urls = array(
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"http://map.vworld.kr/search.do" // 키워드로 요청
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);
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// Poi 는 장소 검색. Jibun은 지번주소 검색. Juso는 도로명주소 검색
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$poss_cates = array("Poi", "Jibun", "Juso");
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if(!in_array($category, $poss_cates)) {
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$category = "Poi";
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}
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$callback = "";
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$q = $keyword;
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$pageUnit = 1;
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$output = "json";
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$pageIndex = 1;
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$apiKey = $config['vworld_api_key'];
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// 전송 내용 명시
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$req_data = array(
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"callback" => $callback,
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"q" => $q,
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"category" => $category,
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"pageUnit" => $pageUnit,
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"output" => $output,
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"pageIndex" => $pageIndex,
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"apiKey" => $apiKey
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);
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$req_data_query = http_build_query($req_data);
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$req_props = "";
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$req_cnt = 0;
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$succ_flag = false; // 성공했는지 여부
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foreach($req_urls as $base_url) {
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$req_props = "";
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$req_real_url = $base_url . '?' . $req_data_query;
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// request addr2coord
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$ch = curl_init();
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curl_setopt($ch,CURLOPT_URL, $req_real_url);
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curl_setopt($ch,CURLOPT_RETURNTRANSFER, true);
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// curl_setopt($ch,CURLOPT_HEADER, false);
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if($req_output = curl_exec($ch)) {
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if(!empty(trim($req_output))) {
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$req_props = json_decode($req_output);
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// 좌표만을 추출
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$geo_list = array();
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foreach($req_props->LIST as $req_row) {
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$req_row = get_object_vars($req_row);
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$geo_list[] = $req_row;
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}
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// 단일인지 복수인지
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if(count($geo_list) > 0) {
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if($multiple == false) {
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$req_props = $geo_list[0];
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} else {
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$req_props = $geo_list;
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}
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$succ_flag = true;
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} else {
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$succ_flag = false;
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}
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}
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}
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curl_close($ch);
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// 요청 횟수를 기록
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$req_cnt++;
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// 성공했을 시 다음 주소로 넘어가지 않음
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if($succ_flag == true) {
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$xpos = $req_props['xpos'];
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$ypos = $req_props['ypos'];
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// store lat and lon
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if($ypos > 0 && $xpos > 0) {
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$geopoint['address'] = $req_props['juso'];
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$geopoint['latitude'] = $ypos;
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$geopoint['longitude'] = $xpos;
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}
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break;
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} elseif($req_cnt = count($req_urls)) {
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$req_props = array();
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} else {
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$req_props = array();
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}
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}
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return $geopoint;
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}
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}
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// get geocode from vworld
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if(!function_exists("vworld_geocode_addr2coord")) {
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function vworld_geocode_addr2coord($addr) {
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global $config;
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$geopoint = array(
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"address" => "",
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"latitude" => "", // y-pos
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"longitude" => "" // x-pos
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);
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// base url
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$req_urls = array(
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"http://apis.vworld.kr/jibun2coord.do", // 구주소 요청
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"http://apis.vworld.kr/new2coord.do" // 신주소 요청
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);
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// 기본 설정
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$apiKey = $config['vworld_api_key'];
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$domain = $config['vworld_api_domain'];
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$output = "json";
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$epsg = "EPSG:4326"; // default is EPSG:4326
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$callback = "";
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// 전송 내용 명시
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$req_data = array(
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"q" => $addr,
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"apiKey" => $apiKey,
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"domain" => $domain,
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"output" => $output,
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"epsg" => $epsg,
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"callback" => $callback
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);
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$req_data_query = http_build_query($req_data);
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$req_props = "";
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$req_cnt = 0;
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$succ_flag = false; // 성공했는지 여부
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foreach($req_urls as $base_url) {
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$req_props = "";
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$req_real_url = $base_url . '?' . $req_data_query;
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// request addr2coord
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $req_real_url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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// curl_setopt($ch,CURLOPT_HEADER, false);
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if($req_output = curl_exec($ch)) {
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if(!empty(trim($req_output))) {
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$req_props = json_decode($req_output);
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if(count($req_props) > 0) {
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$req_props = get_object_vars($req_props);
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$req_props = vworld_utf8_replace($req_props);
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$succ_flag = true;
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}
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}
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}
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curl_close($ch);
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// 요청 횟수를 기록
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$req_cnt++;
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// 성공했을 시 다음 주소로 넘어가지 않음
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if($succ_flag == true) {
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$xpos = 0;
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$ypos = 0;
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switch($epsg) {
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case "EPSG:900913":
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$xpos = $req_props['EPSG_900913_X'] ;
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$ypos = $req_props['EPSG_900913_Y'];
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if($xpos > 0 && $ypos> 0) {
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$geopoint['address'] = $req_props['JUSO'];
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$geopoint['latitude'] = $ypos;
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$geopoint['longitude'] = $xpos;
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}
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break;
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case "EPSG:4326": // default is EPSG:4326
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default:
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$xpos = $req_props['EPSG_4326_X'];
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$ypos = $req_props['EPSG_4326_Y'];
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if($xpos > 0 && $ypos> 0) {
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$geopoint['address'] = $req_props['JUSO'];
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$geopoint['latitude'] = $ypos;
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$geopoint['longitude'] = $xpos;
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}
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break;
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}
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break;
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} elseif($req_cnt = count($req_urls)) {
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$req_props = "";
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} else {
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$req_props = "";
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}
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}
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return $geopoint;
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}
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}
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if(!function_exists("vworld_adaptive_addr2coord")) {
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function vworld_adaptive_addr2coord($addr) {
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$geopoint = array(
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"address" => "",
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"latitude" => "", // y-pos
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"longitude" => "" // x-pos
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);
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if(!empty($addr)) {
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$georesult = vworld_geocode_keyword($addr);
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if(empty($georesult["address"])) {
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$georesult = vworld_geocode_addr2coord($addr);
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}
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if(empty($georesult["address"])) {
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$addr_blocks = explode(' ', $addr);
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$newaddr = implode(' ', array_slice($addr_blocks, 0, -1));
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$georesult = vworld_adaptive_addr2coord($newaddr);
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}
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}
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return $georesult;
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}
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}
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