Port DB calls to PHP PDO
Port DB calls to PHP PDO

--- a/include/common-db.inc.php
+++ b/include/common-db.inc.php
@@ -1,21 +1,23 @@
 <?php
-  if (php_uname('n') == "actbus-www") {
-    $conn = pg_connect("dbname=transitdata user=transitdata password=transitdata host=bus-main.lambdacomplex.org");
-  } else if (isDebugServer()) {
-    $conn = pg_connect("dbname=transitdata user=postgres password=snmc");
-  } else {
-    $conn = pg_connect("dbname=transitdata user=transitdata password=transitdata ");
-  }
-  if (!$conn) {
-      die("A database error occurred.\n");
-  }
-  
-  function databaseError($errMsg) {
-    die($errMsg);
-  }
- 
-  include('db/route-dao.inc.php');
-  include('db/trip-dao.inc.php');
-  include('db/stop-dao.inc.php');  
-  ?>
+if (php_uname('n') == "actbus-www") {
+	$conn = new PDO("pgsql:dbname=transitdata;user=transitdata;password=transitdata;host=bus-main.lambdacomplex.org");
+}
+else if (isDebugServer()) {
+	$conn = new PDO("pgsql:dbname=transitdata;user=postgres;password=snmc;host=localhost");
+}
+else {
+	$conn = new PDO("pgsql:dbname=transitdata;user=transitdata;password=transitdata;host=localhost");
+}
+if (!$conn) {
+	die("A database error occurred.\n");
+}
+function databaseError($errMsg)
+{
+	die($errMsg);
+}
+include ('db/route-dao.inc.php');
+include ('db/trip-dao.inc.php');
+include ('db/stop-dao.inc.php');
+include ('db/servicealert-dao.inc.php');
+?>
 

--- a/include/common-request.inc.php
+++ b/include/common-request.inc.php
@@ -39,7 +39,7 @@
 if (isset($_REQUEST['stopid'])) {
 	$stopid = filter_var($_REQUEST['stopid'], FILTER_SANITIZE_NUMBER_INT);
 }
-if (isset($_REQUEST['stopid'])) {
+if (isset($_REQUEST['routeid'])) {
 	$routeid = filter_var($_REQUEST['routeid'], FILTER_SANITIZE_NUMBER_INT);
 }
 ?>

--- a/include/common-transit.inc.php
+++ b/include/common-transit.inc.php
@@ -4,17 +4,7 @@
 	'saturday',
 	'weekday'
 );
-function getServiceOverride() {
-	global $conn;
-	$query = "Select * from calendar_dates where date = '".date("Ymd")."' and exception_type = '1'";
-	 debug($query,"database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_assoc($result);
-}
+
 function service_period()
 {
 	

--- a/include/db/route-dao.inc.php
+++ b/include/db/route-dao.inc.php
@@ -2,89 +2,108 @@
 function getRoute($routeID)
 {
 	global $conn;
-	$query = "Select * from routes where route_id = '$routeID' LIMIT 1";
-	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_assoc($result);
+	$query = "Select * from routes where route_id = :routeID LIMIT 1";
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	$query->bindParam(":routeID", $routeID);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetch(PDO::FETCH_ASSOC);
 }
 function getRoutes()
 {
 	global $conn;
 	$query = "Select * from routes order by route_short_name;";
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);
+	$query = $conn->prepare($query);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetchAll();
 }
 function getRoutesByNumber($routeNumber = "")
 {
 	global $conn;
 	if ($routeNumber != "") {
 		$query = "Select distinct routes.route_id,routes.route_short_name,routes.route_long_name,service_id from routes  join trips on trips.route_id =
-routes.route_id join stop_times on stop_times.trip_id = trips.trip_id where route_short_name = '$routeNumber' order by route_short_name;";
+routes.route_id join stop_times on stop_times.trip_id = trips.trip_id where route_short_name = :routeNumber order by route_short_name;";
 	}
 	else {
 		$query = "SELECT DISTINCT route_short_name from routes order by route_short_name";
 	}
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);
+	$query = $conn->prepare($query);
+	if ($routeNumber != "") {
+		$query->bindParam(":routeNumber", $routeNumber);
+	}
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetchAll();
 }
 function getRoutesByNumberSeries($routeNumberSeries = "")
 {
 	global $conn;
-		if (strlen($routeNumberSeries) == 1) {
-			return getRoutesByNumber($routeNumberSeries);
-		}
-		$seriesMin = substr($routeNumberSeries, 0, -1) . "0";
-		$seriesMax = substr($routeNumberSeries, 0, -1) . "9";
-		$query = "Select distinct routes.route_id,routes.route_short_name,routes.route_long_name,service_id from routes  join trips on trips.route_id =
-routes.route_id join stop_times on stop_times.trip_id = trips.trip_id where to_number(route_short_name, 'FM999') between $seriesMin and $seriesMax order by route_short_name;";
-		debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);
+	if (strlen($routeNumberSeries) == 1) {
+		return getRoutesByNumber($routeNumberSeries);
+	}
+	$seriesMin = substr($routeNumberSeries, 0, -1) . "0";
+	$seriesMax = substr($routeNumberSeries, 0, -1) . "9";
+	$query = "Select distinct routes.route_id,routes.route_short_name,routes.route_long_name,service_id from routes  join trips on trips.route_id =
+routes.route_id join stop_times on stop_times.trip_id = trips.trip_id where to_number(route_short_name, 'FM999') between :seriesMin and :seriesMax OR route_short_name LIKE :routeNumberSeries order by route_short_name;";
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	$query->bindParam(":seriesMin", $seriesMin);
+	$query->bindParam(":seriesMax", $seriesMax);
+        $routeNumberSeries = "% ".substr($routeNumberSeries, 0, -1)."%";
+        $query->bindParam(":routeNumberSeries", $routeNumberSeries);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetchAll();
 }
 function getRouteNextTrip($routeID)
 {
 	global $conn;
 	$query = "select * from routes join trips on trips.route_id = routes.route_id
 join stop_times on stop_times.trip_id = trips.trip_id where
-arrival_time > '" . current_time() . "' and routes.route_id = '$routeID' order by
+arrival_time > :currentTime and routes.route_id = :routeID order by
 arrival_time limit 1";
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	$r = pg_fetch_assoc($result);
+	$query = $conn->prepare($query);
+	$query->bindParam(":currentTime", current_time());
+	$query->bindParam(":routeID", $routeID);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	$r = $query->fetch(PDO::FETCH_ASSOC);
+
 	// past last trip of the day special case
-	if (sizeof($r) == 0) {
+	if (sizeof($r) < 16) {
 		$query = "select * from routes join trips on trips.route_id = routes.route_id
-join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = '$routeID' order by
+join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = :routeID order by
 arrival_time DESC limit 1";
 		debug($query, "database");
-		$result = pg_query($conn, $query);
-		if (!$result) {
-			databaseError(pg_result_error($result));
+		$query = $conn->prepare($query);
+		$query->bindParam(":routeID", $routeID);
+		$query->execute();
+		if (!$query) {
+			databaseError($conn->errorInfo());
 			return Array();
 		}
-		$r = pg_fetch_assoc($result);
+            
+		$r = $query->fetch(PDO::FETCH_ASSOC);
 	}
 	return $r;
 }
@@ -102,15 +121,17 @@
 {
 	global $conn;
 	$query = "select routes.route_id,trips.trip_id,service_id,arrival_time, stop_id, stop_sequence from routes join trips on trips.route_id = routes.route_id
-join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = '$routeID' and stop_sequence = '1' order by
+join stop_times on stop_times.trip_id = trips.trip_id where routes.route_id = :routeID and stop_sequence = '1' order by
 arrival_time ";
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);
+	$query = $conn->prepare($query);
+	$query->bindParam(":routeID", $routeID);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetchAll();
 }
 function getRoutesByDestination($destination = "", $service_period = "")
 {
@@ -120,21 +141,24 @@
 		$query = "SELECT DISTINCT trips.route_id,route_short_name,route_long_name, service_id
 FROM stop_times join trips on trips.trip_id =
 stop_times.trip_id join routes on trips.route_id = routes.route_id
-WHERE route_long_name = '$destination' AND  service_id='$service_period' order by route_short_name";
+WHERE route_long_name = :destination AND  service_id=:service_period order by route_short_name";
 	}
 	else {
 		$query = "SELECT DISTINCT route_long_name
 FROM stop_times join trips on trips.trip_id =
 stop_times.trip_id join routes on trips.route_id = routes.route_id
-WHERE service_id='$service_period' order by route_long_name";
-	}
-	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);
+WHERE service_id= :service_period order by route_long_name";
+	}
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	$query->bindParam(":service_period", $service_period);
+	if ($destination != "") $query->bindParam(":destination", $destination);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetchAll();
 }
 function getRoutesBySuburb($suburb, $service_period = "")
 {
@@ -144,19 +168,23 @@
 FROM stop_times join trips on trips.trip_id = stop_times.trip_id
 join routes on trips.route_id = routes.route_id
 join stops on stops.stop_id = stop_times.stop_id
-WHERE zone_id LIKE '%$suburb;%' AND service_id='$service_period' ORDER BY route_short_name";
-	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);
+WHERE zone_id LIKE ':suburb AND service_id=:service_period ORDER BY route_short_name";
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	$query->bindParam(":service_period", $service_period);
+        $suburb = "%" . $suburb . ";%";
+	$query->bindParam(":suburb", $suburb);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetchAll();
 }
 function getRoutesNearby($lat, $lng, $limit = "", $distance = 500)
 {
 	if ($service_period == "") $service_period = service_period();
-	if ($limit != "") $limit = " LIMIT $limit ";
+	if ($limit != "") $limitSQL = " LIMIT :limit ";
 	global $conn;
 	$query = "SELECT service_id,trips.route_id,route_short_name,route_long_name,min(stops.stop_id) as stop_id,
         min(ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), FALSE)) as distance
@@ -164,16 +192,20 @@
 join trips on trips.trip_id = stop_times.trip_id
 join routes on trips.route_id = routes.route_id
 join stops on stops.stop_id = stop_times.stop_id
-WHERE service_id='$service_period'
-AND ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), $distance, FALSE)
+WHERE service_id=:service_period
+AND ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), :distance, FALSE)
         group by service_id,trips.route_id,route_short_name,route_long_name
-        order by distance $limit";
-	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);
+        order by distance $limitSQL";
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	$query->bindParam(":service_period", $service_period);
+	$query->bindParam(":distance", $distance);
+	$query->bindParam(":limit", $limit);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetchAll();
 }
 ?>

--- /dev/null
+++ b/include/db/servicealert-dao.inc.php
@@ -1,1 +1,15 @@
-
+<?php
+function getServiceOverride() {
+	global $conn;
+	$query = "Select * from calendar_dates where date = :date and exception_type = '1' LIMIT 1";
+	 debug($query,"database");
+	$query = $conn->prepare($query); // Create a prepared statement
+	$query->bindParam(":date", date("Ymd"));
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetch(PDO::FETCH_ASSOC);
+}
+?>

--- a/include/db/stop-dao.inc.php
+++ b/include/db/stop-dao.inc.php
@@ -2,21 +2,23 @@
 function getStop($stopID)
 {
 	global $conn;
-	$query = "Select * from stops where stop_id = '$stopID' LIMIT 1";
+	$query = "Select * from stops where stop_id = :stopID LIMIT 1";
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
+	$query = $conn->prepare($query);
+	$query->bindParam(":stopID", $stopID);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
 		return Array();
 	}
-	return pg_fetch_assoc($result);
+	return $query->fetch(PDO::FETCH_ASSOC);
 }
 function getStops($timingPointsOnly = false, $firstLetter = "")
 {
 	global $conn;
 	$conditions = Array();
 	if ($timingPointsOnly) $conditions[] = "substr(stop_code,1,2) != 'Wj'";
-	if ($firstLetter != "") $conditions[] = "substr(stop_name,1,1) = '$firstLetter'";
+	if ($firstLetter != "") $conditions[] = "substr(stop_name,1,1) = :firstLetter";
 	$query = "Select * from stops";
 	if (sizeof($conditions) > 0) {
 		if (sizeof($conditions) > 1) {
@@ -27,41 +29,48 @@
 		}
 	}
 	$query.= " order by stop_name;";
-	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
+	$query = $conn->prepare($query);
+        $query->bindParam(":firstLetter", $firstLetter);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
 		return Array();
 	}
-	return pg_fetch_all($result);
+	return $query->fetchAll();
 }
 function getNearbyStops($lat, $lng, $limit = "", $distance = 1000)
 {
 	if ($lat == null || $lng == null) return Array();
-	if ($limit != "") $limit = " LIMIT $limit ";
+	if ($limit != "") $limitSQL = " LIMIT :limit ";
 	global $conn;
 	$query = "Select *, ST_Distance(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), FALSE) as distance
-        from stops WHERE ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), $distance, FALSE)
-        order by distance $limit;";
+        from stops WHERE ST_DWithin(position, ST_GeographyFromText('SRID=4326;POINT($lng $lat)'), :distance, FALSE)
+        order by distance $limitSQL;";
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
+        $query = $conn->prepare($query);
+	$query->bindParam(":distance", $distance);
+	$query->bindParam(":limit", $limit);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
 		return Array();
 	}
-	return pg_fetch_all($result);
+	return $query->fetchAll();
 }
 function getStopsBySuburb($suburb)
 {
 	global $conn;
-	$query = "Select * from stops where zone_id LIKE '%$suburb;%' order by stop_name;";
+	$query = "Select * from stops where zone_id LIKE :suburb order by stop_name;";
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
+	$query = $conn->prepare($query);
+        $suburb = "%" . $suburb . ";%";
+	$query->bindParam(":suburb", $suburb);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
 		return Array();
 	}
-	return pg_fetch_all($result);
+	return $query->fetchAll();
 }
 function getStopRoutes($stopID, $service_period)
 {
@@ -69,19 +78,21 @@
 	global $conn;
 	$query = "SELECT service_id,trips.route_id,route_short_name,route_long_name
 FROM stop_times join trips on trips.trip_id =
-stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_id = '$stopID' AND service_id='$service_period'";
+stop_times.trip_id join routes on trips.route_id = routes.route_id WHERE stop_id = :stopID AND service_id=:service_period";
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
+	$query = $conn->prepare($query);
+	$query->bindParam(":service_period", $service_period);
+	$query->bindParam(":stopID", $stopID);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
 		return Array();
 	}
-	return pg_fetch_all($result);
+	return $query->fetchAll();
 }
 function getStopTrips($stopID, $service_period = "", $afterTime = "")
 {
 	if ($service_period == "") $service_period = service_period();
-	$afterCondition = "AND arrival_time > '$afterTime'";
 	global $conn;
 	if ($afterTime != "") {
 		$query = " SELECT stop_times.trip_id,stop_times.arrival_time,stop_times.stop_id,stop_sequence,service_id,trips.route_id,route_short_name,route_long_name, end_times.arrival_time as end_time
@@ -90,10 +101,10 @@
 stop_times.trip_id
 join routes on trips.route_id = routes.route_id , (SELECT trip_id,max(arrival_time) as arrival_time from stop_times
 	WHERE stop_times.arrival_time IS NOT NULL group by trip_id) as end_times 
-WHERE stop_times.stop_id = '$stopID'
+WHERE stop_times.stop_id = :stopID
 AND stop_times.trip_id = end_times.trip_id
-AND service_id='$service_period'
-AND end_times.arrival_time > '$afterTime'
+AND service_id=:service_period
+AND end_times.arrival_time > :afterTime
 ORDER BY end_time";
 	}
 	else {
@@ -102,17 +113,21 @@
 join trips on trips.trip_id =
 stop_times.trip_id
 join routes on trips.route_id = routes.route_id
-WHERE stop_times.stop_id = '$stopID'
-AND service_id='$service_period'
+WHERE stop_times.stop_id = :stopID
+AND service_id=:service_period
 ORDER BY arrival_time";
 	}
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
+	$query = $conn->prepare($query);
+	$query->bindParam(":service_period", $service_period);
+	$query->bindParam(":stopID", $stopID);
+        if ($afterTime != "") $query->bindParam(":afterTime", $afterTime);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
 		return Array();
 	}
-	return pg_fetch_all($result);
+	return $query->fetchAll();
 }
 function getStopTripsWithTimes($stopID, $time = "", $service_period = "", $time_range = "", $limit = "")
 {

--- a/include/db/trip-dao.inc.php
+++ b/include/db/trip-dao.inc.php
@@ -4,15 +4,17 @@
 	global $conn;
 	$query = "Select * from trips
 	join routes on trips.route_id = routes.route_id
-	where trip_id = '$tripID'
+	where trip_id =	:tripID
 	LIMIT 1";
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_assoc($result);
+	$query = $conn->prepare($query);
+	$query->bindParam(":tripID", $tripID);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetch(PDO::FETCH_ASSOC);
 }
 function getTripShape()
 {
@@ -58,14 +60,16 @@
 join trips on trips.trip_id = stop_times.trip_id
 join routes on trips.route_id = routes.route_id
 join stops on stops.stop_id = stop_times.stop_id
-WHERE trips.trip_id = '$tripID' $range ORDER BY stop_sequence";
-	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	$stopTimes = pg_fetch_all($result);
+WHERE trips.trip_id = :tripID $range ORDER BY stop_sequence";
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	$query->bindParam(":tripID", $tripID);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	$stopTimes = $query->fetchAll();
 	$cur_timepoint = Array();
 	$next_timepoint = Array();
 	$distance_between_timepoints = 0.0;
@@ -73,114 +77,158 @@
 	$rv = Array();
 	foreach ($stopTimes as $i => $stopTime) {
 		if ($stopTime['arrival_time'] != "") {
-		    // is timepoint
+			// is timepoint
 			$cur_timepoint = $stopTime;
 			$distance_between_timepoints = 0.0;
 			$distance_traveled_between_timepoints = 0.0;
 			if ($i + 1 < sizeof($stopTimes)) {
 				$k = $i + 1;
-				$distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]);
+				$distance_between_timepoints+= distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]);
 				while ($stopTimes[$k]["arrival_time"] == "" && $k + 1 < sizeof($stopTimes)) {
-					$k += 1;
+					$k+= 1;
 					//echo "k".$k;
-					$distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]);
+					$distance_between_timepoints+= distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]);
 				}
 				$next_timepoint = $stopTimes[$k];
 				$rv[] = $stopTime;
 			}
 		}
 		else {
-		    // is untimed point
-		    //echo "i".$i;
-			$distance_traveled_between_timepoints += distance($stopTimes[$i - 1]["stop_lat"], $stopTimes[$i - 1]["stop_lon"], $stopTimes[$i]["stop_lat"], $stopTimes[$i]["stop_lon"]);
+			// is untimed point
+			//echo "i".$i;
+			$distance_traveled_between_timepoints+= distance($stopTimes[$i - 1]["stop_lat"], $stopTimes[$i - 1]["stop_lon"], $stopTimes[$i]["stop_lat"], $stopTimes[$i]["stop_lon"]);
 			//echo "$distance_traveled_between_timepoints / $distance_between_timepoints<br>";
 			$distance_percent = $distance_traveled_between_timepoints / $distance_between_timepoints;
 			if ($next_timepoint["arrival_time"] != "") {
-			$total_time = strtotime($next_timepoint["arrival_time"]) - strtotime($cur_timepoint["arrival_time"]);
-			//echo strtotime($next_timepoint["arrival_time"])." - ".strtotime($cur_timepoint["arrival_time"])."<br>";
-			$time_estimate = ($distance_percent * $total_time) + strtotime($cur_timepoint["arrival_time"]);
-			$stopTime["arrival_time"] = date("H:i:s", $time_estimate);
-			} else {
-			    $stopTime["arrival_time"] = $cur_timepoint["arrival_time"];
+				$total_time = strtotime($next_timepoint["arrival_time"]) - strtotime($cur_timepoint["arrival_time"]);
+				//echo strtotime($next_timepoint["arrival_time"])." - ".strtotime($cur_timepoint["arrival_time"])."<br>";
+				$time_estimate = ($distance_percent * $total_time) + strtotime($cur_timepoint["arrival_time"]);
+				$stopTime["arrival_time"] = date("H:i:s", $time_estimate);
+			}
+			else {
+				$stopTime["arrival_time"] = $cur_timepoint["arrival_time"];
 			}
 			$rv[] = $stopTime;
 			//var_dump($rv);
+			
 		}
 	}
 	return $rv;
 }
-function getTimeInterpolatedTripAtStop($tripID, $stop_sequence)
-{
-    global $conn;
-    // limit interpolation to between nearest actual points.
-    $prevTimePoint = pg_fetch_assoc(pg_query($conn," SELECT trip_id,stop_id,
+function getTripPreviousTimePoint($tripID, $stop_sequence)
+{
+	global $conn;
+	$query = " SELECT trip_id,stop_id,
 	stop_sequence
 FROM stop_times
-WHERE trip_id = '$tripID' and stop_sequence < $stop_sequence and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence DESC LIMIT 1"));
-    $nextTimePoint = pg_fetch_assoc(pg_query($conn," SELECT trip_id,stop_id,
+WHERE trip_id = :tripID and stop_sequence < :stop_sequence
+and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence DESC LIMIT 1";
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	$query->bindParam(":tripID", $tripID);
+	$query->bindParam(":stop_sequence", $stop_sequence);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetch(PDO::FETCH_ASSOC);
+}
+function getTripNextTimePoint($tripID, $stop_sequence)
+{
+	global $conn;
+	$query = " SELECT trip_id,stop_id,
 	stop_sequence
 FROM stop_times
-WHERE trip_id = '$tripID' and stop_sequence > $stop_sequence and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence LIMIT 1"));
-    $range = "AND stop_sequence >= '{$prevTimePoint['stop_sequence']}' AND stop_sequence <= '{$nextTimePoint['stop_sequence']}'";
-    	foreach (getTimeInterpolatedTrip($tripID,$range) as $tripStop) {
+WHERE trip_id = :tripID and stop_sequence > :stop_sequence
+and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence LIMIT 1";
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	$query->bindParam(":tripID", $tripID);
+	$query->bindParam(":stop_sequence", $stop_sequence);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetch(PDO::FETCH_ASSOC);
+}
+function getTimeInterpolatedTripAtStop($tripID, $stop_sequence)
+{
+	global $conn;
+	// limit interpolation to between nearest actual points.
+	$prevTimePoint = getTripPreviousTimePoint($tripID, $stop_sequence);
+	$nextTimePoint = getTripNextTimePoint($tripID, $stop_sequence);
+	$range = "AND stop_sequence >= '{$prevTimePoint['stop_sequence']}' AND stop_sequence <= '{$nextTimePoint['stop_sequence']}'";
+	foreach (getTimeInterpolatedTrip($tripID, $range) as $tripStop) {
 		if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop;
 	}
 	return Array();
 }
 function getTripStartTime($tripID)
 {
-    	global $conn;
+	global $conn;
 	$query = "Select * from stop_times
-	where trip_id = '$tripID'
+	where trip_id = :tripID
 	AND arrival_time IS NOT NULL
 	AND stop_sequence = '1'";
 	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	$r = pg_fetch_assoc($result);
+	$query = $conn->prepare($query);
+	$query->bindParam(":tripID", $tripID);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	$r = $query->fetch(PDO::FETCH_ASSOC);
 	return $r['arrival_time'];
 }
 function getActiveTrips($time)
 {
-    	global $conn;
+	global $conn;
 	if ($time == "") $time = current_time();
 	$query = "Select distinct stop_times.trip_id, start_times.arrival_time as start_time, end_times.arrival_time as end_time from stop_times, (SELECT trip_id,arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL
 AND stop_sequence = '1') as start_times, (SELECT trip_id,max(arrival_time) as arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL group by trip_id) as end_times
-WHERE start_times.trip_id = end_times.trip_id AND stop_times.trip_id = end_times.trip_id AND $time > start_times.arrival_time  AND $time < end_times.arrival_time";
-	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);
-}
-
-function viaPoints($tripid, $stop_sequence = "")
+WHERE start_times.trip_id = end_times.trip_id AND stop_times.trip_id = end_times.trip_id AND :time > start_times.arrival_time  AND :time < end_times.arrival_time";
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	$query->bindParam(":time", $time);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetchAll();
+}
+function viaPoints($tripID, $stop_sequence = "")
 {
 	global $conn;
 	$query = "SELECT stops.stop_id, stop_name, arrival_time
 FROM stop_times join stops on stops.stop_id = stop_times.stop_id
-WHERE stop_times.trip_id = '$tripid'
-".($stop_sequence != "" ? "AND stop_sequence > '$stop_sequence'" : "").
-"AND substr(stop_code,1,2) != 'Wj' ORDER BY stop_sequence";
-	debug($query, "database");
-	$result = pg_query($conn, $query);
-	if (!$result) {
-		databaseError(pg_result_error($result));
-		return Array();
-	}
-	return pg_fetch_all($result);
+WHERE stop_times.trip_id = :tripID
+" . ($stop_sequence != "" ? " AND stop_sequence > :stop_sequence " : "") . "AND substr(stop_code,1,2) != 'Wj' ORDER BY stop_sequence";
+	debug($query, "database");
+	$query = $conn->prepare($query);
+	if ($stop_sequence != "") $query->bindParam(":stop_sequence", $stop_sequence);
+	$query->bindParam(":tripID", $tripID);
+	$query->execute();
+	if (!$query) {
+		databaseError($conn->errorInfo());
+		return Array();
+	}
+	return $query->fetchAll();
 }
 function viaPointNames($tripid, $stop_sequence = "")
 {
 	$viaPointNames = Array();
-	foreach(viaPoints($tripid, $stop_sequence) as $point) {
+	foreach (viaPoints($tripid, $stop_sequence) as $point) {
 		$viaPointNames[] = $point['stop_name'];
 	}
-	return r_implode(", ", $viaPointNames);
+	if (sizeof($viaPointNames) > 0) {
+		return r_implode(", ", $viaPointNames);
+	}
+	else {
+		return "";
+	}
 }
 ?>

file:a/trip.php -> file:b/trip.php
--- a/trip.php
+++ b/trip.php
@@ -31,7 +31,7 @@
 echo '  <ul data-role="listview"  data-inset="true">';
 $stopsGrouped = Array();
 $tripStopTimes = getTimeInterpolatedTrip($tripid);
-echo '<li data-role="list-divider">' . $tripStopTimes[0]['arrival_time'] . ' to ' . $tripStopTimes[sizeof($tripStopTimes) - 1]['arrival_time'] . ' ' . $trips[1]->route_long_name . '</li>';
+echo '<li data-role="list-divider">' . $tripStopTimes[0]['arrival_time'] . ' to ' . $tripStopTimes[sizeof($tripStopTimes) - 1]['arrival_time'] . ' ' . $trip['route_long_name'] . ' (' . ucwords($tripStopTimes[0]['service_id']).')</li>';
 
 foreach ($tripStopTimes as $key => $tripStopTime) {
 	if (($tripStopTimes[$key]["stop_name"] != $tripStopTimes[$key + 1][