simple location sender.php 使用方法：將此 php 放到伺服器，傳送資料時直接傳到這個網址，就會記錄在 data 資料夾；查看資料時，在網址後面加上 group 參數即可查看那一組的資料

simple location sender.php

<?php
mb_parse_str($_SERVER["QUERY_STRING"], $qs);
$group = array_key_exists('group', $qs) ? preg_replace('/\W/', "", $qs["group"]) : "";

if($group==""){
	

	$postdata = $HTTP_RAW_POST_DATA;
	// {"type":"Feature","properties":null,"geometry":{"type":"Point","coordinates":[120.6702662,24.1272791,0]}}
	// {"type":"Feature","geometry":{"type":"Point","coordinates":[-100.5,37.35,0]},"properties":{"status":"ok","group_id":"Developer","user_id":"Charles"}}

	$input = json_decode($postdata, true);

	$group = preg_replace('/\W/', "", $input["properties"]["group_id"]);
	$user = preg_replace('/\W/', "", $input["properties"]["user_id"]);

	$folder = "data/".$group;

	if(!is_dir($folder)){
		mkdir($folder);
		
	}


	$file = $folder."/".$user.".json";
	//$file = $folder."123.txt";


	if (($fd = fopen($file, "w")) !== false) { 
		fwrite($fd, $postdata);
		fclose($fd); 
	}

	
	
	
}else{
	
	
	$folder = "data/".$group;
	
	if($group!="" && is_dir($folder)){
		
		$files = scandir($folder);
		//var_dump($files);


		$groupgeojson = array("type" => "FeatureCollection", "features" => array());

		foreach($files as $f){
			if($f!="." && $f!=".."){
				$point = file_get_contents($folder."/".$f);
				$point = json_decode($point,true);
				
				array_push($groupgeojson["features"], array(
					"type" => "Feature",
					"geometry" => array(
						"type" => "Point",
						"coordinates" => array($point["geometry"]["coordinates"][0], $point["geometry"]["coordinates"][1])
					),
					"properties" => array(
						"time" => date("Y/m/d H:i:s",filemtime($folder."/".$f)),
						"status" => $point["properties"]["status"],
						"group_id" => $point["properties"]["group_id"],
						"user_id" => $point["properties"]["user_id"],
						"name" => $point["properties"]["user_id"]
					)
				));
				
			}
		}


		echo json_encode($groupgeojson);

	}
	
}

?>