<?php |
<?php |
function getTrip($tripID) { |
function getTrip($tripID) |
global $conn; |
|
$query = "Select * from trips where trip_id = '$tripID' join routes on trips.route_id = routes.route_id LIMIT 1"; |
{ |
debug($query,"database"); |
global $conn; |
$result = pg_query($conn, $query); |
$query = "Select * from trips |
if (!$result) { |
join routes on trips.route_id = routes.route_id |
databaseError(pg_result_error($result)); |
where trip_id = :tripID |
return Array(); |
LIMIT 1"; |
} |
debug($query, "database"); |
return pg_fetch_assoc($result); |
$query = $conn -> prepare($query); |
} |
$query -> bindParam(":tripID", $tripID); |
function getTripShape() { |
$query -> execute(); |
/* def handle_json_GET_tripstoptimes(self, params): |
if (!$query) { |
schedule = self.server.schedule |
databaseError($conn -> errorInfo()); |
try: |
return Array(); |
trip = schedule.GetTrip(params.get('trip')) |
} |
except KeyError: |
return $query -> fetch(PDO :: FETCH_ASSOC); |
# if a non-existent trip is searched for, the return nothing |
} |
return |
function getTripShape($tripID) |
time_stops = trip.GetTimeInterpolatedStops() |
|
stops = [] |
{ |
times = [] |
global $conn; |
for arr,ts,is_timingpoint in time_stops: |
$query = "SELECT ST_AsKML(ST_MakeLine(geometry(a.position))) as the_route |
stops.append(StopToTuple(ts.stop)) |
FROM (SELECT position, |
times.append(arr) |
stop_sequence, trips.trip_id |
return [stops, times] |
FROM stop_times |
|
join trips on trips.trip_id = stop_times.trip_id |
def handle_json_GET_tripshape(self, params): |
join stops on stops.stop_id = stop_times.stop_id |
schedule = self.server.schedule |
WHERE trips.trip_id = :tripID ORDER BY stop_sequence) as a group by a.trip_id"; |
try: |
debug($query, "database"); |
trip = schedule.GetTrip(params.get('trip')) |
$query = $conn -> prepare($query); |
except KeyError: |
$query -> bindParam(":tripID", $tripID); |
# if a non-existent trip is searched for, the return nothing |
$query -> execute(); |
return |
if (!$query) { |
points = [] |
databaseError($conn -> errorInfo()); |
if trip.shape_id: |
return Array(); |
shape = schedule.GetShape(trip.shape_id) |
} |
for (lat, lon, dist) in shape.points: |
return $query -> fetchColumn(0); |
points.append((lat, lon)) |
} |
else: |
function getTimeInterpolatedTrip($tripID, $range = "") |
time_stops = trip.GetTimeStops() |
|
for arr,dep,stop in time_stops: |
{ |
points.append((stop.stop_lat, stop.stop_lon)) |
global $conn; |
return points*/ |
$query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon,stop_name,stop_code, |
} |
stop_sequence,service_id,trips.route_id,route_short_name,route_long_name |
function getTimeInterpolatedTrip($tripID) { |
FROM stop_times |
/* rv = [] |
join trips on trips.trip_id = stop_times.trip_id |
|
join routes on trips.route_id = routes.route_id |
stoptimes = self.GetStopTimes() |
join stops on stops.stop_id = stop_times.stop_id |
# If there are no stoptimes [] is the correct return value but if the start |
WHERE trips.trip_id = :tripID $range ORDER BY stop_sequence"; |
# or end are missing times there is no correct return value. |
debug($query, "database"); |
if not stoptimes: |
$query = $conn -> prepare($query); |
return [] |
$query -> bindParam(":tripID", $tripID); |
if (stoptimes[0].GetTimeSecs() is None or |
$query -> execute(); |
stoptimes[-1].GetTimeSecs() is None): |
if (!$query) { |
raise ValueError("%s must have time at first and last stop" % (self)) |
databaseError($conn -> errorInfo()); |
|
return Array(); |
cur_timepoint = None |
} |
next_timepoint = None |
$stopTimes = $query -> fetchAll(); |
distance_between_timepoints = 0 |
$cur_timepoint = Array(); |
distance_traveled_between_timepoints = 0 |
$next_timepoint = Array(); |
|
$distance_between_timepoints = 0.0; |
for i, st in enumerate(stoptimes): |
$distance_traveled_between_timepoints = 0.0; |
if st.GetTimeSecs() != None: |
$rv = Array(); |
cur_timepoint = st |
foreach ($stopTimes as $i => $stopTime) { |
distance_between_timepoints = 0 |
if ($stopTime['arrival_time'] != "") { |
distance_traveled_between_timepoints = 0 |
// is timepoint |
if i + 1 < len(stoptimes): |
$cur_timepoint = $stopTime; |
k = i + 1 |
$distance_between_timepoints = 0.0; |
distance_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[k-1].stop, stoptimes[k].stop) |
$distance_traveled_between_timepoints = 0.0; |
while stoptimes[k].GetTimeSecs() == None: |
if ($i + 1 < sizeof($stopTimes)) { |
k += 1 |
$k = $i + 1; |
distance_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[k-1].stop, stoptimes[k].stop) |
$distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]); |
next_timepoint = stoptimes[k] |
while ($stopTimes[$k]["arrival_time"] == "" && $k + 1 < sizeof($stopTimes)) { |
rv.append( (st.GetTimeSecs(), st, True) ) |
$k += 1; |
else: |
// echo "k".$k; |
distance_traveled_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[i-1].stop, st.stop) |
$distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]); |
distance_percent = distance_traveled_between_timepoints / distance_between_timepoints |
} |
total_time = next_timepoint.GetTimeSecs() - cur_timepoint.GetTimeSecs() |
$next_timepoint = $stopTimes[$k]; |
time_estimate = distance_percent * total_time + cur_timepoint.GetTimeSecs() |
|
rv.append( (int(round(time_estimate)), st, False) ) |
} |
|
$rv[] = $stopTime; |
return rv*/ |
} |
} |
else { |
function getTimeInterpolatedTripAtStop($trip_id, $stop_sequence) { |
// is untimed point |
foreach(getTimeInterpolatedTrip($tripID) as $tripStop) { |
// echo "i".$i; |
if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; |
$distance_traveled_between_timepoints += distance($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>"; |
return Array(); |
$distance_percent = $distance_traveled_between_timepoints / $distance_between_timepoints; |
} |
if ($next_timepoint["arrival_time"] != "") { |
|
$total_time = strtotime($next_timepoint["arrival_time"]) - strtotime($cur_timepoint["arrival_time"]); |
function getTripStartTime($tripID) { |
// echo strtotime($next_timepoint["arrival_time"])." - ".strtotime($cur_timepoint["arrival_time"])."<br>"; |
$query = 'SELECT arrival_secs,departure_secs FROM stop_times WHERE trip_id=? ORDER BY stop_sequence LIMIT 1'; |
$time_estimate = ($distance_percent * $total_time) + strtotime($cur_timepoint["arrival_time"]); |
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$stopTime["arrival_time"] = date("H:i:s", $time_estimate); |
} |
} |
|
else { |
function viaPointNames($tripid, $stopid) |
$stopTime["arrival_time"] = $cur_timepoint["arrival_time"]; |
{ |
} |
global $conn; |
$rv[] = $stopTime; |
$query = "SELECT stop_name |
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|
|
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} |
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} |
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// var_dump($rv); |
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return $rv; |
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} |
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function getTripPreviousTimePoint($tripID, $stop_sequence) |
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{ |
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global $conn; |
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$query = " SELECT trip_id,stop_id, |
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stop_sequence |
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FROM stop_times |
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WHERE trip_id = :tripID and stop_sequence < :stop_sequence |
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and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence DESC LIMIT 1"; |
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debug($query, "database"); |
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$query = $conn -> prepare($query); |
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$query -> bindParam(":tripID", $tripID); |
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$query -> bindParam(":stop_sequence", $stop_sequence); |
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$query -> execute(); |
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if (!$query) { |
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databaseError($conn -> errorInfo()); |
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return Array(); |
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} |
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return $query -> fetch(PDO :: FETCH_ASSOC); |
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} |
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function getTripNextTimePoint($tripID, $stop_sequence) |
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{ |
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global $conn; |
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$query = " SELECT trip_id,stop_id, |
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stop_sequence |
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FROM stop_times |
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WHERE trip_id = :tripID and stop_sequence > :stop_sequence |
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and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence LIMIT 1"; |
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debug($query, "database"); |
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$query = $conn -> prepare($query); |
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$query -> bindParam(":tripID", $tripID); |
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$query -> bindParam(":stop_sequence", $stop_sequence); |
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$query -> execute(); |
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if (!$query) { |
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databaseError($conn -> errorInfo()); |
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return Array(); |
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} |
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return $query -> fetch(PDO :: FETCH_ASSOC); |
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} |
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function getTimeInterpolatedTripAtStop($tripID, $stop_sequence) |
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|
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{ |
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global $conn; |
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// limit interpolation to between nearest actual points. |
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$prevTimePoint = getTripPreviousTimePoint($tripID, $stop_sequence); |
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$nextTimePoint = getTripNextTimePoint($tripID, $stop_sequence); |
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// echo " prev {$lowestDelta['stop_sequence']} next {$nextTimePoint['stop_sequence']} "; |
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$range = ""; |
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if ($prevTimePoint != "") $range .= " AND stop_sequence >= '{$prevTimePoint['stop_sequence']}'"; |
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if ($nextTimePoint != "") $range .= " AND stop_sequence <= '{$nextTimePoint['stop_sequence']}'"; |
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foreach (getTimeInterpolatedTrip($tripID, $range) as $tripStop) { |
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if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; |
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} |
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return Array(); |
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} |
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function getTripStartTime($tripID) |
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{ |
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global $conn; |
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$query = "Select * from stop_times |
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where trip_id = :tripID |
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AND arrival_time IS NOT NULL |
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AND stop_sequence = '1'"; |
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debug($query, "database"); |
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$query = $conn -> prepare($query); |
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$query -> bindParam(":tripID", $tripID); |
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$query -> execute(); |
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if (!$query) { |
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databaseError($conn -> errorInfo()); |
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return Array(); |
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} |
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$r = $query -> fetch(PDO :: FETCH_ASSOC); |
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return $r['arrival_time']; |
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} |
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function getTripEndTime($tripID) |
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{ |
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global $conn; |
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$query = "SELECT trip_id,max(arrival_time) as arrival_time from stop_times |
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WHERE stop_times.arrival_time IS NOT NULL and trip_id = :tripID group by trip_id"; |
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debug($query, "database"); |
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$query = $conn -> prepare($query); |
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$query -> bindParam(":tripID", $tripID); |
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$query -> execute(); |
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if (!$query) { |
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databaseError($conn -> errorInfo()); |
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return Array(); |
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} |
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$r = $query -> fetch(PDO :: FETCH_ASSOC); |
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return $r['arrival_time']; |
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} |
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function getActiveTrips($time) |
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{ |
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global $conn; |
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if ($time == "") $time = current_time(); |
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$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 |
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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 |
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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"; |
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debug($query, "database"); |
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$query = $conn -> prepare($query); |
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$query -> bindParam(":time", $time); |
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$query -> execute(); |
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if (!$query) { |
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databaseError($conn -> errorInfo()); |
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return Array(); |
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} |
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return $query -> fetchAll(); |
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} |
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function viaPoints($tripID, $stop_sequence = "", $timing_points_only = true) |
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{ |
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global $conn; |
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$query = "SELECT stops.stop_id, stop_name, arrival_time |
FROM stop_times join stops on stops.stop_id = stop_times.stop_id |
FROM stop_times join stops on stops.stop_id = stop_times.stop_id |
WHERE stop_times.trip_id = '$tripid' |
WHERE stop_times.trip_id = :tripID |
AND stop_sequence > '$stop_sequence' |
" . ($stop_sequence != "" ? " AND stop_sequence > :stop_sequence " : "") . ($timing_points_only ? "AND substr(stop_code,1,2) != 'Wj' ": ""). " ORDER BY stop_sequence"; |
AND substr(stop_code,1,2) != 'Wj' ORDER BY stop_sequence"; |
debug($query, "database"); |
debug($query,"database"); |
$query = $conn -> prepare($query); |
$result = pg_query($conn, $query); |
if ($stop_sequence != "") $query -> bindParam(":stop_sequence", $stop_sequence); |
if (!$result) { |
$query -> bindParam(":tripID", $tripID); |
databaseError(pg_result_error($result)); |
$query -> execute(); |
return Array(); |
if (!$query) { |
} |
databaseError($conn -> errorInfo()); |
$pointNames = pg_fetch_all($result); |
return Array(); |
return r_implode(", ", $pointNames); |
} |
} |
return $query -> fetchAll(); |
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} |
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function viaPointNames($tripid, $stop_sequence = "") |
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{ |
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$viaPointNames = Array(); |
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foreach (viaPoints($tripid, $stop_sequence) as $point) { |
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$viaPointNames[] = $point['stop_name']; |
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} |
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if (sizeof($viaPointNames) > 0) { |
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return r_implode(", ", $viaPointNames); |
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} |
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else { |
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return ""; |
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} |
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} |
?> |
?> |