Parte de Kendrick.

sender.php

@@ -0,0 +1,68 @@
+
+<?php
+header('Content-Type: application/json');
+function distanceMeters($lat1, $lon1, $lat2, $lon2) 
+{
+	$x = deg2rad( $lon1 - $lon2 ) * cos( deg2rad( $lat1 ) );
+	$y = deg2rad( $lat1 - $lat2 );
+	$dist = 6371000.0 * sqrt( $x*$x + $y*$y );
+
+  return $dist;
+}
+	$db = file('db.txt');
+	$sum_of_lat = 0;
+	$sum_of_long = 0;
+	$sum_of_time = 0;
+	$array_time = array();
+	$average = new stdClass;
+	$average->latitude = 0;
+	$average->longitude = 0;
+	$average->inTime = 0;
+	$average->parada = '';
+	$db_size = count($db);	
+	$distances=[];
+	$paradas = array(
+	        "Generales" => array(18.404916, -66.044828),
+	        "Natu_1" => array(18.403663, -66.045529),
+	        "Natu_2" => array(18.403769, -66.046572),
+	        "Centro" => array( 18.403898, -66.048255),
+	        "Biblio" => array(18.403994, -66.049781),
+	        "Merenderos"  => array(18.406345, -66.050197),
+	        "Leyes" => array (18.406069, -66.047733),
+	        "Complejo" => array(18.406503, -66.046121),
+	        "ROTC_Entrada" => array(18.406083, -66.043605),
+	        "ROTC_Estacionamiento" => array( 18.407121, -66.042053)
+	                );	
+	for ($i = 0; $i < $db_size; $i++)
+	{
+		$decoded_location = json_decode($db[$i]);
+		$sum_of_lat += $decoded_location->latitude;
+		$sum_of_long += $decoded_location->longitude;
+		array_push($array_time,$decoded_location->inTime);
+		if($i+1 == $db_size)
+		{
+			$average->latitude = $sum_of_lat/$db_size;
+			$average->longitude = $sum_of_long/$db_size;
+			$average->inTime = date("h:i:s a",(array_sum(array_map('strtotime',$array_time)))/$db_size);			
+		}
+	}
+
+	foreach($paradas as &$thing)
+	{
+		$plo = distanceMeters($average->latitude, $average->longitude, $thing[0], $thing[1]);
+		array_push($distances,$plo);
+		//echo $distances;
+
+	}
+
+	//echo $encoded_average;
+	$indice = array_search(min($distances),$distances);
+	$checking = array_keys($paradas);
+	//$encoded_average = json_decode($encoded_avarage);
+	
+	$average->parada = $checking[$indice];
+	$encoded_average =json_encode($average);
+	echo $encoded_average;
+	//echo "pol";
+	//echo $average;
+?>