--- a/tripPlanner.php
+++ b/tripPlanner.php
@@ -1,20 +1,36 @@
 <?php
+
+/*
+ *    Copyright 2010,2011 Alexander Sadleir 
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
 include ('include/common.inc.php');
 include_header("Trip Planner", "tripPlanner", true, false, true);
 $from = (isset($_REQUEST['from']) ? filter_var($_REQUEST['from'], FILTER_SANITIZE_STRING) : "");
 $to = (isset($_REQUEST['to']) ? filter_var($_REQUEST['to'], FILTER_SANITIZE_STRING) : "");
 $date = (isset($_REQUEST['date']) ? filter_var($_REQUEST['date'], FILTER_SANITIZE_STRING) : date("m/d/Y"));
 $time = (isset($_REQUEST['time']) ? filter_var($_REQUEST['time'], FILTER_SANITIZE_STRING) : date("H:i"));
-function formatTime($timeString)
-{
-	$timeParts = explode("T", $timeString);
-	return str_replace("Z", "", $timeParts[1]);
+
+function formatTime($timeString) {
+    $timeParts = explode("T", $timeString);
+    return str_replace("Z", "", $timeParts[1]);
 }
-function tripPlanForm($errorMessage = "")
-{
-	global $date, $time, $from, $to;
-	echo "<div class='error'>$errorMessage</font>";
-	echo '<form action="tripPlanner.php" method="post">
+
+function tripPlanForm($errorMessage = "") {
+    global $date, $time, $from, $to;
+    echo "<div class='error'>$errorMessage</font>";
+    echo '<form action="tripPlanner.php" method="post">
     <div data-role="fieldcontain">
         <label for="from">I would like to go from</label>
         <input type="text" name="from" id="from" value="' . $from . '"  />
@@ -34,150 +50,139 @@
         <input type="time" name="time" id="time" value="' . $time . '"  />
     </div>
         <input type="submit" value="Go!"></form>';
+}
 
+function processItinerary($itineraryNumber, $itinerary) {
+    echo '<div data-role="collapsible" ' . ($itineraryNumber > 0 ? 'data-collapsed="true"' : "") . '> <h3> Option #' . ($itineraryNumber + 1) . ": " . floor($itinerary->duration / 60000) . " minutes (" . formatTime($itinerary->startTime) . " to " . formatTime($itinerary->endTime) . ")</h3><p>";
+    echo "Walking time: " . floor($itinerary->walkTime / 60000) . " minutes (" . floor($itinerary->walkDistance) . " meters)<br>\n";
+    echo "Transit time: " . floor($itinerary->transitTime / 60000) . " minutes<br>\n";
+    echo "Waiting time: " . floor($itinerary->waitingTime / 60000) . " minutes<br>\n";
+    if (is_array($itinerary->legs->leg)) {
+        $legMarkers = array();
+        foreach ($itinerary->legs->leg as $legNumber => $leg) {
+            $legMarkers[] = array(
+                $leg->from->lat,
+                $leg->from->lon
+            );
+        }
+        echo '' . staticmap($legMarkers, 0, "iconb", false) . "<br>\n";
+        echo '<ul>';
+        foreach ($itinerary->legs->leg as $legNumber => $leg) {
+            echo '<li>';
+            processLeg($legNumber, $leg);
+            echo "</li>";
+            flush();
+            @ob_flush();
+        }
+        echo "</ul>";
+    } else {
+        echo '' . staticmap(array(
+            array(
+                $itinerary->legs->leg->from->lat,
+                $itinerary->legs->leg->from->lon
+            )
+                ), 0, "iconb", false) . "<br>\n";
+        processLeg(0, $itinerary->legs->leg);
+    }
+    echo "</p></div>";
 }
-function processItinerary($itineraryNumber, $itinerary)
-{
-	echo '<div data-role="collapsible" ' . ($itineraryNumber > 0 ? 'data-collapsed="true"' : "") . '> <h3> Option #' . ($itineraryNumber + 1) . ": " . floor($itinerary->duration / 60000) . " minutes (" . formatTime($itinerary->startTime) . " to " . formatTime($itinerary->endTime) . ")</h3><p>";
-	echo "Walking time: " . floor($itinerary->walkTime / 60000) . " minutes (" . floor($itinerary->walkDistance) . " meters)<br>\n";
-	echo "Transit time: " . floor($itinerary->transitTime / 60000) . " minutes<br>\n";
-	echo "Waiting time: " . floor($itinerary->waitingTime / 60000) . " minutes<br>\n";
-	if (is_array($itinerary->legs->leg)) {
-		$legMarkers = array();
-		foreach ($itinerary->legs->leg as $legNumber => $leg) {
-			$legMarkers[] = array(
-				$leg->from->lat,
-				$leg->from->lon
-			);
-		}
-		echo '' . staticmap($legMarkers, 0, "iconb", false) . "<br>\n";
-		echo '<ul>';
-		foreach ($itinerary->legs->leg as $legNumber => $leg) {
-			echo '<li>';
-			processLeg($legNumber, $leg);
-			echo "</li>";
-			flush();
-			@ob_flush();
-		}
-		echo "</ul>";
-	}
-	else {
-		echo '' . staticmap(array(
-			array(
-				$itinerary->legs->leg->from->lat,
-				$itinerary->legs->leg->from->lon
-			)
-		) , 0, "iconb", false) . "<br>\n";
-		processLeg(0, $itinerary->legs->leg);
-	}
-	echo "</p></div>";
+
+function processLeg($legNumber, $leg) {
+    $legArray = object2array($leg);
+    echo '<h3>Leg #' . ($legNumber + 1) . " ( {$legArray['@mode']} from: {$leg->from->name} to {$leg->to->name}, " . floor($leg->duration / 60000) . " minutes) </h3>\n";
+    if ($legArray["@mode"] === "BUS") {
+        echo "Take bus {$legArray['@route']} " . str_replace("To", "towards", $legArray['@headsign']) . " departing at " . formatTime($leg->startTime) . "<br>";
+    } else {
+        $walkStepMarkers = array();
+        foreach ($leg->steps->walkSteps as $stepNumber => $step) {
+            $walkStepMarkers[] = array(
+                $step->lat,
+                $step->lon
+            );
+        }
+        echo "" . staticmap($walkStepMarkers, 0, "icong", false) . "<br>\n";
+        foreach ($leg->steps->walkSteps as $stepNumber => $step) {
+            echo "Walking step " . ($stepNumber + 1) . ": ";
+            if ($step->relativeDirection == "CONTINUE") {
+                echo "Continue, ";
+            } else if ($step->relativeDirection)
+                echo "Turn " . ucwords(strtolower(str_replace("_", " ", $step->relativeDirection))) . ", ";
+            echo "Go " . ucwords(strtolower($step->absoluteDirection)) . " on ";
+            if (strpos($step->streetName, "from") !== false && strpos($step->streetName, "way") !== false) {
+                echo "footpath";
+            } else {
+                echo $step->streetName;
+            }
+            echo " for " . floor($step->distance) . " meters<br>\n";
+        }
+    }
 }
-function processLeg($legNumber, $leg)
-{
-	$legArray = object2array($leg);
-	echo '<h3>Leg #' . ($legNumber + 1) . " ( {$legArray['@mode']} from: {$leg->from->name} to {$leg->to->name}, " . floor($leg->duration / 60000) . " minutes) </h3>\n";
-	if ($legArray["@mode"] === "BUS") {
-		echo "Take bus {$legArray['@route']} " . str_replace("To", "towards", $legArray['@headsign']) . " departing at ". formatTime($leg->startTime)."<br>";
-	}
-	else {
-		$walkStepMarkers = array();
-		foreach ($leg->steps->walkSteps as $stepNumber => $step) {
-			$walkStepMarkers[] = array(
-				$step->lat,
-				$step->lon
-			);
-		}
-		echo "" . staticmap($walkStepMarkers, 0, "icong", false) . "<br>\n";
-		foreach ($leg->steps->walkSteps as $stepNumber => $step) {
-			echo "Walking step " . ($stepNumber + 1) . ": ";
-			if ($step->relativeDirection == "CONTINUE") {
-				echo "Continue, ";
-			}
-			else if ($step->relativeDirection) echo "Turn " . ucwords(strtolower(str_replace("_", " ", $step->relativeDirection))) . ", ";
-			echo "Go " . ucwords(strtolower($step->absoluteDirection)) . " on ";
-			if (strpos($step->streetName, "from") !== false && strpos($step->streetName, "way") !== false) {
-				echo "footpath";
-			}
-			else {
-				echo $step->streetName;
-			}
-			echo " for " . floor($step->distance) . " meters<br>\n";
-		}
-	}
-}
+
 if ($_REQUEST['time']) {
-	if (startsWith($to, "-")) {
-		$toPlace = $to;
-	}
-	else if (strpos($to, "(") !== false) {
-		$toParts = explode("(", $to);
-		$toPlace = str_replace( ")", "", $toParts[1]);
-	}
-	else {
-		$toPlace = geocode($to, false);
-	}
-        
-	if (startsWith($from, "-")) {
-		$fromPlace = $from;
-	}
-	else if (strpos($from, "(") !== false) {
-		$fromParts = explode("(", urldecode($from));
-		$fromPlace = str_replace(")", "", $fromParts[1]);
-	}
-	else {
-		$fromPlace = geocode($from, false);
-	}
-        
-	if ($toPlace == "" || $fromPlace == "") {
-		$errorMessage = "";
-		if ($toPlace == "") {
-			$errorMessage.= urlencode($to) . " not found.<br>\n";
-			trackEvent("Trip Planner", "Geocoder Failed", $to);
-		}
-		if ($fromPlace == "") {
-			$errorMessage.= urlencode($from) . " not found.<br>\n";
-			trackEvent("Trip Planner", "Geocoder Failed", $from);
-		}
-		tripPlanForm($errorMessage);
-	}
-	else {
-		$url = $otpAPIurl . "ws/plan?date=" . urlencode($_REQUEST['date']) . "&time=" . urlencode($_REQUEST['time']) . "&mode=TRANSIT%2CWALK&optimize=QUICK&maxWalkDistance=840&wheelchair=false&toPlace=$toPlace&fromPlace=$fromPlace&intermediatePlaces=";
-		debug($url);
-		$ch = curl_init($url);
-		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-		curl_setopt($ch, CURLOPT_HEADER, 0);
-		curl_setopt($ch, CURLOPT_HTTPHEADER, array(
-			"Accept: application/json"
-		));
-		curl_setopt($ch, CURLOPT_TIMEOUT, 10);
-		$page = curl_exec($ch);
-		if (curl_errno($ch) || curl_getinfo($ch, CURLINFO_HTTP_CODE) != 200) {
-			tripPlanForm("Trip planner temporarily unavailable: " . curl_errno($ch) . " " . curl_error($ch) . " " . curl_getinfo($ch, CURLINFO_HTTP_CODE) . (isDebug() ? "<br>" . $url : ""));
-			trackEvent("Trip Planner", "Trip Planner Failed", $url);
-		}
-		else {
-			trackEvent("Trip Planner", "Plan Trip From", $from);
-			trackEvent("Trip Planner", "Plan Trip To", $to);
-			$tripplan = json_decode($page);
-			debug(print_r($tripplan, true));
-			echo "<h1> From: {$tripplan->plan->from->name} To: {$tripplan->plan->to->name} </h1>";
-			echo "<h1> At: " . formatTime($tripplan->plan->date) . " </h1>";
-			if (is_array($tripplan->plan->itineraries->itinerary)) {
-				echo '<div data-role="collapsible-set">';
-				foreach ($tripplan->plan->itineraries->itinerary as $itineraryNumber => $itinerary) {
-					processItinerary($itineraryNumber, $itinerary);
-				}
-				echo "</div>";
-			}
-			else {
-				processItinerary(0, $tripplan->plan->itineraries->itinerary);
-			}
-		}
-		curl_close($ch);
-	}
-}
-else {
-	tripPlanForm();
+    if (startsWith($to, "-")) {
+        $toPlace = $to;
+    } else if (strpos($to, "(") !== false) {
+        $toParts = explode("(", $to);
+        $toPlace = str_replace(")", "", $toParts[1]);
+    } else {
+        $toPlace = geocode($to, false);
+    }
+
+    if (startsWith($from, "-")) {
+        $fromPlace = $from;
+    } else if (strpos($from, "(") !== false) {
+        $fromParts = explode("(", urldecode($from));
+        $fromPlace = str_replace(")", "", $fromParts[1]);
+    } else {
+        $fromPlace = geocode($from, false);
+    }
+
+    if ($toPlace == "" || $fromPlace == "") {
+        $errorMessage = "";
+        if ($toPlace == "") {
+            $errorMessage.= urlencode($to) . " not found.<br>\n";
+            trackEvent("Trip Planner", "Geocoder Failed", $to);
+        }
+        if ($fromPlace == "") {
+            $errorMessage.= urlencode($from) . " not found.<br>\n";
+            trackEvent("Trip Planner", "Geocoder Failed", $from);
+        }
+        tripPlanForm($errorMessage);
+    } else {
+        $url = $otpAPIurl . "ws/plan?date=" . urlencode($_REQUEST['date']) . "&time=" . urlencode($_REQUEST['time']) . "&mode=TRANSIT%2CWALK&optimize=QUICK&maxWalkDistance=840&wheelchair=false&toPlace=$toPlace&fromPlace=$fromPlace&intermediatePlaces=";
+        debug($url);
+        $ch = curl_init($url);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_HEADER, 0);
+        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+            "Accept: application/json"
+        ));
+        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
+        $page = curl_exec($ch);
+        if (curl_errno($ch) || curl_getinfo($ch, CURLINFO_HTTP_CODE) != 200) {
+            tripPlanForm("Trip planner temporarily unavailable: " . curl_errno($ch) . " " . curl_error($ch) . " " . curl_getinfo($ch, CURLINFO_HTTP_CODE) . (isDebug() ? "<br>" . $url : ""));
+            trackEvent("Trip Planner", "Trip Planner Failed", $url);
+        } else {
+            trackEvent("Trip Planner", "Plan Trip From", $from);
+            trackEvent("Trip Planner", "Plan Trip To", $to);
+            $tripplan = json_decode($page);
+            debug(print_r($tripplan, true));
+            echo "<h1> From: {$tripplan->plan->from->name} To: {$tripplan->plan->to->name} </h1>";
+            echo "<h1> At: " . formatTime($tripplan->plan->date) . " </h1>";
+            if (is_array($tripplan->plan->itineraries->itinerary)) {
+                echo '<div data-role="collapsible-set">';
+                foreach ($tripplan->plan->itineraries->itinerary as $itineraryNumber => $itinerary) {
+                    processItinerary($itineraryNumber, $itinerary);
+                }
+                echo "</div>";
+            } else {
+                processItinerary(0, $tripplan->plan->itineraries->itinerary);
+            }
+        }
+        curl_close($ch);
+    }
+} else {
+    tripPlanForm();
 }
 include_footer();
 ?>