Ysurac / FlightAirMap

require/class.Marine.php

Doc Comments +2 added lines, -21 removed lines

@@ -15,7 +15,7 @@ 
 	/**
 	* Get SQL query part for filter used
 	* @param Array $filter the filter
-	* @return Array the SQL part
+	* @return string the SQL part
 	*/
 	
 	public function getFilter($filter = array(),$where = false,$and = false) {
@@ -552,25 +552,6 @@ 
 	*
 	* @param String $fammarine_id the ID
 	* @param String $ident the marine ident
-	* @param String $departure_airport_icao the departure airport
-	* @param String $arrival_airport_icao the arrival airport
-	* @param String $latitude latitude of flight
-	* @param String $longitude latitude of flight
-	* @param String $waypoints waypoints of flight
-	* @param String $heading heading of flight
-	* @param String $groundspeed speed of flight
-	* @param String $date date of flight
-	* @param String $departure_airport_time departure time of flight
-	* @param String $arrival_airport_time arrival time of flight
-	* @param String $squawk squawk code of flight
-	* @param String $route_stop route stop of flight
-	* @param String $highlight highlight or not
-	* @param String $ModeS ModesS code of flight
-	* @param String $registration registration code of flight
-	* @param String $pilot_id pilot id of flight (for virtual airlines)
-	* @param String $pilot_name pilot name of flight (for virtual airlines)
-	* @param String $verticalrate vertival rate of flight
-	* @return String success or false
 	*/
 	public function addMarineData($fammarine_id = '', $ident = '', $latitude = '', $longitude = '', $heading = '', $groundspeed = '', $date = '', $mmsi = '',$type = '',$status = '',$format_source = '', $source_name = '')
 	{
@@ -1440,7 +1421,7 @@ 
 	/**
 	* Parses the direction degrees to working
 	*
-	* @param Float $direction the direction in degrees
+	* @param integer $direction the direction in degrees
 	* @return Array the direction information
 	*
 	*/

Indentation +197 added lines, -197 removed lines

@@ -13,10 +13,10 @@ 
 	}
 
 	/**
-	* Get SQL query part for filter used
-	* @param Array $filter the filter
-	* @return Array the SQL part
-	*/
+	 * Get SQL query part for filter used
+	 * @param Array $filter the filter
+	 * @return Array the SQL part
+	 */
 	
 	public function getFilter($filter = array(),$where = false,$and = false) {
 		global $globalFilter, $globalStatsFilters, $globalFilterName, $globalDBdriver;
@@ -80,14 +80,14 @@ 
 	}
 
 	/**
-	* Executes the SQL statements to get the spotter information
-	*
-	* @param String $query the SQL query
-	* @param Array $params parameter of the query
-	* @param String $limitQuery the limit query
-	* @return Array the spotter information
-	*
-	*/
+	 * Executes the SQL statements to get the spotter information
+	 *
+	 * @param String $query the SQL query
+	 * @param Array $params parameter of the query
+	 * @param String $limitQuery the limit query
+	 * @return Array the spotter information
+	 *
+	 */
 	public function getDataFromDB($query, $params = array(), $limitQuery = '',$schedules = false)
 	{
 		date_default_timezone_set('UTC');
@@ -199,11 +199,11 @@ 
 	
 	
 	/**
-	* Gets all the spotter information based on the latest data entry
-	*
-	* @return Array the spotter information
-	*
-	*/
+	 * Gets all the spotter information based on the latest data entry
+	 *
+	 * @return Array the spotter information
+	 *
+	 */
 	public function getLatestMarineData($limit = '', $sort = '', $filter = array())
 	{
 		global $global_query;
@@ -261,11 +261,11 @@ 
 	}
 
 	/**
-	* Gets all the spotter information based on the callsign
-	*
-	* @return Array the spotter information
-	*
-	*/
+	 * Gets all the spotter information based on the callsign
+	 *
+	 * @return Array the spotter information
+	 *
+	 */
 	public function getMarineDataByIdent($ident = '', $limit = '', $sort = '', $filter = array())
 	{
 		global $global_query;
@@ -376,12 +376,12 @@ 
 
 
 	/**
-	* Gets all source name
-	*
-	* @param String type format of source
-	* @return Array list of source name
-	*
-	*/
+	 * Gets all source name
+	 *
+	 * @param String type format of source
+	 * @return Array list of source name
+	 *
+	 */
 	public function getAllSourceName($type = '',$filters = array())
 	{
 		$filter_query = $this->getFilter($filters,true,true);
@@ -411,11 +411,11 @@ 
 
 
 	/**
-	* Gets a list of all idents/callsigns
-	*
-	* @return Array list of ident/callsign names
-	*
-	*/
+	 * Gets a list of all idents/callsigns
+	 *
+	 * @return Array list of ident/callsign names
+	 *
+	 */
 	public function getAllIdents($filters = array())
 	{
 		$filter_query = $this->getFilter($filters,true,true);
@@ -439,11 +439,11 @@ 
 	}
 
 	/**
-	* Gets all info from a mmsi
-	*
-	* @return Array list of mmsi info
-	*
-	*/
+	 * Gets all info from a mmsi
+	 *
+	 * @return Array list of mmsi info
+	 *
+	 */
 	public function getIdentity($mmsi)
 	{
 		$mmsi = filter_var($mmsi,FILTER_SANITIZE_NUMBER_INT);
@@ -500,18 +500,18 @@ 
 	
 	
 	/**
-	* Update ident tracker data
-	*
-	* @param String $fammarine_id the ID
-	* @param String $ident the marine ident
-	* @return String success or false
-	*
-	*/	
+	 * Update ident tracker data
+	 *
+	 * @param String $fammarine_id the ID
+	 * @param String $ident the marine ident
+	 * @return String success or false
+	 *
+	 */	
 	public function updateIdentMarineData($fammarine_id = '', $ident = '',$fromsource = NULL)
 	{
 
 		$query = 'UPDATE marine_output SET ident = :ident WHERE fammarine_id = :fammarine_id';
-                $query_values = array(':fammarine_id' => $fammarine_id,':ident' => $ident);
+				$query_values = array(':fammarine_id' => $fammarine_id,':ident' => $ident);
 
 		try {
 			$sth = $this->db->prepare($query);
@@ -524,17 +524,17 @@ 
 
 	}
 	/**
-	* Update latest marine data
-	*
-	* @param String $fammarine_id the ID
-	* @param String $ident the marine ident
-	* @return String success or false
-	*
-	*/	
+	 * Update latest marine data
+	 *
+	 * @param String $fammarine_id the ID
+	 * @param String $ident the marine ident
+	 * @return String success or false
+	 *
+	 */	
 	public function updateLatestMarineData($fammarine_id = '', $ident = '', $latitude = '', $longitude = '', $groundspeed = NULL, $date = '')
 	{
 		$query = 'UPDATE marine_output SET ident = :ident, last_latitude = :last_latitude, last_longitude = :last_longitude, last_seen = :last_seen, last_ground_speed = :last_ground_speed WHERE fammarine_id = :fammarine_id';
-                $query_values = array(':fammarine_id' => $fammarine_id,':last_latitude' => $latitude,':last_longitude' => $longitude, ':last_ground_speed' => $groundspeed,':last_seen' => $date,':ident' => $ident);
+				$query_values = array(':fammarine_id' => $fammarine_id,':last_latitude' => $latitude,':last_longitude' => $longitude, ':last_ground_speed' => $groundspeed,':last_seen' => $date,':ident' => $ident);
 
 		try {
 			$sth = $this->db->prepare($query);
@@ -548,30 +548,30 @@ 
 	}
 
 	/**
-	* Adds a new spotter data
-	*
-	* @param String $fammarine_id the ID
-	* @param String $ident the marine ident
-	* @param String $departure_airport_icao the departure airport
-	* @param String $arrival_airport_icao the arrival airport
-	* @param String $latitude latitude of flight
-	* @param String $longitude latitude of flight
-	* @param String $waypoints waypoints of flight
-	* @param String $heading heading of flight
-	* @param String $groundspeed speed of flight
-	* @param String $date date of flight
-	* @param String $departure_airport_time departure time of flight
-	* @param String $arrival_airport_time arrival time of flight
-	* @param String $squawk squawk code of flight
-	* @param String $route_stop route stop of flight
-	* @param String $highlight highlight or not
-	* @param String $ModeS ModesS code of flight
-	* @param String $registration registration code of flight
-	* @param String $pilot_id pilot id of flight (for virtual airlines)
-	* @param String $pilot_name pilot name of flight (for virtual airlines)
-	* @param String $verticalrate vertival rate of flight
-	* @return String success or false
-	*/
+	 * Adds a new spotter data
+	 *
+	 * @param String $fammarine_id the ID
+	 * @param String $ident the marine ident
+	 * @param String $departure_airport_icao the departure airport
+	 * @param String $arrival_airport_icao the arrival airport
+	 * @param String $latitude latitude of flight
+	 * @param String $longitude latitude of flight
+	 * @param String $waypoints waypoints of flight
+	 * @param String $heading heading of flight
+	 * @param String $groundspeed speed of flight
+	 * @param String $date date of flight
+	 * @param String $departure_airport_time departure time of flight
+	 * @param String $arrival_airport_time arrival time of flight
+	 * @param String $squawk squawk code of flight
+	 * @param String $route_stop route stop of flight
+	 * @param String $highlight highlight or not
+	 * @param String $ModeS ModesS code of flight
+	 * @param String $registration registration code of flight
+	 * @param String $pilot_id pilot id of flight (for virtual airlines)
+	 * @param String $pilot_name pilot name of flight (for virtual airlines)
+	 * @param String $verticalrate vertival rate of flight
+	 * @return String success or false
+	 */
 	public function addMarineData($fammarine_id = '', $ident = '', $latitude = '', $longitude = '', $heading = '', $groundspeed = '', $date = '', $mmsi = '',$type = '',$status = '',$format_source = '', $source_name = '')
 	{
 		global $globalURL;
@@ -655,16 +655,16 @@ 
 		$type = filter_var($type,FILTER_SANITIZE_STRING);
 		$status = filter_var($status,FILTER_SANITIZE_STRING);
 	
-                if ($latitude == '' && $longitude == '') {
-            		$latitude = 0;
-            		$longitude = 0;
-            	}
-                if ($heading == '' || $Common->isInteger($heading) === false) $heading = 0;
-                if ($groundspeed == '' || $Common->isInteger($groundspeed) === false) $groundspeed = 0;
-                $query  = "INSERT INTO marine_output (fammarine_id, ident, latitude, longitude, heading, ground_speed, date, format_source, source_name, mmsi, type, status) 
+				if ($latitude == '' && $longitude == '') {
+					$latitude = 0;
+					$longitude = 0;
+				}
+				if ($heading == '' || $Common->isInteger($heading) === false) $heading = 0;
+				if ($groundspeed == '' || $Common->isInteger($groundspeed) === false) $groundspeed = 0;
+				$query  = "INSERT INTO marine_output (fammarine_id, ident, latitude, longitude, heading, ground_speed, date, format_source, source_name, mmsi, type, status) 
                 VALUES (:fammarine_id,:ident,:latitude,:longitude,:heading,:speed,:date,:format_source, :source_name,:mmsi,:type,:status)";
 
-                $query_values = array(':fammarine_id' => $fammarine_id,':ident' => $ident,':latitude' => $latitude,':longitude' => $longitude,':heading' => $heading,':speed' => $groundspeed,':date' => $date,':format_source' => $format_source, ':source_name' => $source_name,':mmsi' => $mmsi,':type' => $type,':status' => $status);
+				$query_values = array(':fammarine_id' => $fammarine_id,':ident' => $ident,':latitude' => $latitude,':longitude' => $longitude,':heading' => $heading,':speed' => $groundspeed,':date' => $date,':format_source' => $format_source, ':source_name' => $source_name,':mmsi' => $mmsi,':type' => $type,':status' => $status);
 
 		try {
 		        
@@ -672,7 +672,7 @@ 
 			$sth->execute($query_values);
 			$this->db = null;
 		} catch (PDOException $e) {
-		    return "error : ".$e->getMessage();
+			return "error : ".$e->getMessage();
 		}
 		
 		return "success";
@@ -681,11 +681,11 @@ 
 	
   
 	/**
-	* Gets the aircraft ident within the last hour
-	*
-	* @return String the ident
-	*
-	*/
+	 * Gets the aircraft ident within the last hour
+	 *
+	 * @return String the ident
+	 *
+	 */
 	public function getIdentFromLastHour($ident)
 	{
 		global $globalDBdriver, $globalTimezone;
@@ -701,11 +701,11 @@ 
 								AND marine_output.date >= now() AT TIME ZONE 'UTC' - INTERVAL '1 HOURS'
 								AND marine_output.date < now() AT TIME ZONE 'UTC'";
 			$query_data = array(':ident' => $ident);
-    		}
+			}
 		
 		$sth = $this->db->prepare($query);
 		$sth->execute($query_data);
-    		$ident_result='';
+			$ident_result='';
 		while($row = $sth->fetch(PDO::FETCH_ASSOC))
 		{
 			$ident_result = $row['ident'];
@@ -716,11 +716,11 @@ 
 	
 	
 	/**
-	* Gets the aircraft data from the last 20 seconds
-	*
-	* @return Array the spotter data
-	*
-	*/
+	 * Gets the aircraft data from the last 20 seconds
+	 *
+	 * @return Array the spotter data
+	 *
+	 */
 	public function getRealTimeData($q = '')
 	{
 		global $globalDBdriver;
@@ -758,11 +758,11 @@ 
 	
 
 	/**
-	* Gets all number of flight over countries
-	*
-	* @return Array the airline country list
-	*
-	*/
+	 * Gets all number of flight over countries
+	 *
+	 * @return Array the airline country list
+	 *
+	 */
 /*
 	public function countAllTrackedOverCountries($limit = true,$olderthanmonths = 0,$sincedate = '',$filters = array())
 	{
@@ -813,11 +813,11 @@ 
 	
 	
 	/**
-	* Gets all callsigns that have flown over
-	*
-	* @return Array the callsign list
-	*
-	*/
+	 * Gets all callsigns that have flown over
+	 *
+	 * @return Array the callsign list
+	 *
+	 */
 	public function countAllCallsigns($limit = true, $olderthanmonths = 0, $sincedate = '',$filters = array(),$year = '', $month = '', $day = '')
 	{
 		global $globalDBdriver;
@@ -884,11 +884,11 @@ 
 
 
 	/**
-	* Counts all dates
-	*
-	* @return Array the date list
-	*
-	*/
+	 * Counts all dates
+	 *
+	 * @return Array the date list
+	 *
+	 */
 	public function countAllDates($filters = array())
 	{
 		global $globalTimezone, $globalDBdriver;
@@ -934,11 +934,11 @@ 
 	
 	
 	/**
-	* Counts all dates during the last 7 days
-	*
-	* @return Array the date list
-	*
-	*/
+	 * Counts all dates during the last 7 days
+	 *
+	 * @return Array the date list
+	 *
+	 */
 	public function countAllDatesLast7Days($filters = array())
 	{
 		global $globalTimezone, $globalDBdriver;
@@ -960,7 +960,7 @@ 
 			$query .= " GROUP BY date_name 
 								ORDER BY date_name ASC";
 			$query_data = array(':offset' => $offset);
-    		}
+			}
 		
 		$sth = $this->db->prepare($query);
 		$sth->execute($query_data);
@@ -980,11 +980,11 @@ 
 	}
 
 	/**
-	* Counts all dates during the last month
-	*
-	* @return Array the date list
-	*
-	*/
+	 * Counts all dates during the last month
+	 *
+	 * @return Array the date list
+	 *
+	 */
 	public function countAllDatesLastMonth($filters = array())
 	{
 		global $globalTimezone, $globalDBdriver;
@@ -1006,7 +1006,7 @@ 
 			$query .= " GROUP BY date_name 
 								ORDER BY date_name ASC";
 			$query_data = array(':offset' => $offset);
-    		}
+			}
 		
 		$sth = $this->db->prepare($query);
 		$sth->execute($query_data);
@@ -1028,11 +1028,11 @@ 
 
 
 	/**
-	* Counts all month
-	*
-	* @return Array the month list
-	*
-	*/
+	 * Counts all month
+	 *
+	 * @return Array the month list
+	 *
+	 */
 	public function countAllMonths($filters = array())
 	{
 		global $globalTimezone, $globalDBdriver;
@@ -1077,11 +1077,11 @@ 
 	
 
 	/**
-	* Counts all dates during the last year
-	*
-	* @return Array the date list
-	*
-	*/
+	 * Counts all dates during the last year
+	 *
+	 * @return Array the date list
+	 *
+	 */
 	public function countAllMonthsLastYear($filters)
 	{
 		global $globalTimezone, $globalDBdriver;
@@ -1103,7 +1103,7 @@ 
 			$query .= " GROUP BY year_name, month_name
 								ORDER BY year_name, month_name ASC";
 			$query_data = array(':offset' => $offset);
-    		}
+			}
 		
 		$sth = $this->db->prepare($query);
 		$sth->execute($query_data);
@@ -1126,11 +1126,11 @@ 
 	
 	
 	/**
-	* Counts all hours
-	*
-	* @return Array the hour list
-	*
-	*/
+	 * Counts all hours
+	 *
+	 * @return Array the hour list
+	 *
+	 */
 	public function countAllHours($orderby,$filters = array())
 	{
 		global $globalTimezone, $globalDBdriver;
@@ -1193,11 +1193,11 @@ 
 	
 	
 	/**
-	* Counts all hours by date
-	*
-	* @return Array the hour list
-	*
-	*/
+	 * Counts all hours by date
+	 *
+	 * @return Array the hour list
+	 *
+	 */
 	public function countAllHoursByDate($date, $filters = array())
 	{
 		global $globalTimezone, $globalDBdriver;
@@ -1241,11 +1241,11 @@ 
 	
 	
 	/**
-	* Counts all hours by a ident/callsign
-	*
-	* @return Array the hour list
-	*
-	*/
+	 * Counts all hours by a ident/callsign
+	 *
+	 * @return Array the hour list
+	 *
+	 */
 	public function countAllHoursByIdent($ident, $filters = array())
 	{
 		global $globalTimezone, $globalDBdriver;
@@ -1290,11 +1290,11 @@ 
 	
 	
 	/**
-	* Counts all flights that have flown over
-	*
-	* @return Integer the number of flights
-	*
-	*/
+	 * Counts all flights that have flown over
+	 *
+	 * @return Integer the number of flights
+	 *
+	 */
 	public function countOverallTracked($filters = array(),$year = '',$month = '')
 	{
 		global $globalDBdriver;
@@ -1329,11 +1329,11 @@ 
 	
   
 	/**
-	* Counts all hours of today
-	*
-	* @return Array the hour list
-	*
-	*/
+	 * Counts all hours of today
+	 *
+	 * @return Array the hour list
+	 *
+	 */
 	public function countAllHoursFromToday($filters = array())
 	{
 		global $globalTimezone, $globalDBdriver;
@@ -1373,12 +1373,12 @@ 
 	}
     
     
-     /**
-	* Gets the Barrie Spotter ID based on the FlightAware ID
-	*
-	* @return Integer the Barrie Spotter ID
+	 /**
+	  * Gets the Barrie Spotter ID based on the FlightAware ID
+	  *
+	  * @return Integer the Barrie Spotter ID
 q	*
-	*/
+	  */
 	public function getMarineIDBasedOnFamMarineID($fammarine_id)
 	{
 		$fammarine_id = filter_var($fammarine_id,FILTER_SANITIZE_STRING);
@@ -1399,13 +1399,13 @@ 
   
  
 	/**
-	* Parses a date string
-	*
-	* @param String $dateString the date string
-	* @param String $timezone the timezone of a user
-	* @return Array the time information
-	*
-	*/
+	 * Parses a date string
+	 *
+	 * @param String $dateString the date string
+	 * @param String $timezone the timezone of a user
+	 * @return Array the time information
+	 *
+	 */
 	public function parseDateString($dateString, $timezone = '')
 	{
 		$time_array = array();
@@ -1438,12 +1438,12 @@ 
 	}
 	
 	/**
-	* Parses the direction degrees to working
-	*
-	* @param Float $direction the direction in degrees
-	* @return Array the direction information
-	*
-	*/
+	 * Parses the direction degrees to working
+	 *
+	 * @param Float $direction the direction in degrees
+	 * @return Array the direction information
+	 *
+	 */
 	public function parseDirection($direction = 0)
 	{
 		if ($direction == '') $direction = 0;
@@ -1522,12 +1522,12 @@ 
 	
 	
 	/**
-	* Gets Country from latitude/longitude
-	*
-	* @param Float $latitude latitute of the flight
-	* @param Float $longitude longitute of the flight
-	* @return String the countrie
-	*/
+	 * Gets Country from latitude/longitude
+	 *
+	 * @param Float $latitude latitute of the flight
+	 * @param Float $longitude longitute of the flight
+	 * @return String the countrie
+	 */
 	public function getCountryFromLatitudeLongitude($latitude,$longitude)
 	{
 		global $globalDBdriver, $globalDebug;
@@ -1564,11 +1564,11 @@ 
 	}
 
 	/**
-	* Gets Country from iso2
-	*
-	* @param String $iso2 ISO2 country code
-	* @return String the countrie
-	*/
+	 * Gets Country from iso2
+	 *
+	 * @param String $iso2 ISO2 country code
+	 * @return String the countrie
+	 */
 	public function getCountryFromISO2($iso2)
 	{
 		global $globalDBdriver, $globalDebug;
@@ -1597,12 +1597,12 @@ 
 
 	
 	/**
-	* Gets the short url from bit.ly
-	*
-	* @param String $url the full url
-	* @return String the bit.ly url
-	*
-	*/
+	 * Gets the short url from bit.ly
+	 *
+	 * @param String $url the full url
+	 * @return String the bit.ly url
+	 *
+	 */
 	public function getBitlyURL($url)
 	{
 		global $globalBitlyAccessToken;

require/class.AIS.php

Spacing +93 added lines, -93 removed lines

@@ -29,31 +29,31 @@ 
 
 	private function make_latf($temp) { // unsigned long 
 		$flat = 0.0; // float
-		$temp = $temp & 0x07FFFFFF;
-		if ($temp & 0x04000000) {
-			$temp = $temp ^ 0x07FFFFFF;
+		$temp = $temp&0x07FFFFFF;
+		if ($temp&0x04000000) {
+			$temp = $temp^0x07FFFFFF;
 			$temp += 1;
-			$flat = (float)($temp / (60.0 * 10000.0));
+			$flat = (float) ($temp/(60.0*10000.0));
 			$flat *= -1.0;
-		} else $flat = (float)($temp / (60.0 * 10000.0));
+		} else $flat = (float) ($temp/(60.0*10000.0));
 		return $flat; // float
 	}
 
 	private function make_lonf($temp) { // unsigned long
 		$flon = 0.0; // float
-		$temp = $temp & 0x0FFFFFFF;
-		if ($temp & 0x08000000) {
-			$temp = $temp ^ 0x0FFFFFFF;
+		$temp = $temp&0x0FFFFFFF;
+		if ($temp&0x08000000) {
+			$temp = $temp^0x0FFFFFFF;
 			$temp += 1;
-			$flon = (float)($temp / (60.0 * 10000.0));
+			$flon = (float) ($temp/(60.0*10000.0));
 			$flon *= -1.0;
-		} else $flon = (float)($temp / (60.0 * 10000.0));
+		} else $flon = (float) ($temp/(60.0*10000.0));
 		return $flon;
 	}
 
 	private function ascii_2_dec($chr) {
-		$dec=ord($chr);//get decimal ascii code
-		$hex=dechex($dec);//convert decimal to hex
+		$dec = ord($chr); //get decimal ascii code
+		$hex = dechex($dec); //convert decimal to hex
 		return ($dec);
 	}
 	
@@ -72,15 +72,15 @@ 
 		//only process in the following range: 48-87, 96-119
 		if ($ascii < 48) { }
 		else {
-			if($ascii>119) { }
+			if ($ascii > 119) { }
 			else {
-				if ($ascii>87 && $ascii<96) ;
+				if ($ascii > 87 && $ascii < 96);
 				else {
-					$ascii=$ascii+40;
-					if ($ascii>128){
-						$ascii=$ascii+32;
+					$ascii = $ascii + 40;
+					if ($ascii > 128) {
+						$ascii = $ascii + 32;
 					} else {
-						$ascii=$ascii+40;
+						$ascii = $ascii + 40;
 					}
 				}
 			}
@@ -89,7 +89,7 @@ 
 	}
 
 	private function dec_2_6bit($dec) {
-		$bin=decbin($dec);
+		$bin = decbin($dec);
 		return(substr($bin, -6)); 
 	}
 
@@ -106,11 +106,11 @@ 
 		    '<', '=', '>', '?'
 		);
 		$rv = '';
-		if ($_size % 6 == 0) {
-			$len = $_size / 6;
-			for ($i=0; $i<$len; $i++) {
-				$offset = $i * 6;
-				$rv .= $ais_chars[ bindec(substr($_str,$_start + $offset,6)) ];
+		if ($_size%6 == 0) {
+			$len = $_size/6;
+			for ($i = 0; $i < $len; $i++) {
+				$offset = $i*6;
+				$rv .= $ais_chars[bindec(substr($_str, $_start + $offset, 6))];
 			}
 		}
 		return $rv;
@@ -127,40 +127,40 @@ 
 		$ro->lon = 0.0;
 		$ro->lat = 0.0;
 		$ro->ts = time();
-		$ro->id = bindec(substr($_aisdata,0,6));
-		$ro->mmsi = bindec(substr($_aisdata,8,30));
+		$ro->id = bindec(substr($_aisdata, 0, 6));
+		$ro->mmsi = bindec(substr($_aisdata, 8, 30));
 		if ($ro->id >= 1 && $ro->id <= 3) {
-			$ro->cog = bindec(substr($_aisdata,116,12))/10;
-			$ro->sog = bindec(substr($_aisdata,50,10))/10;
-			$ro->lon = $this->make_lonf(bindec(substr($_aisdata,61,28)));
-			$ro->lat = $this->make_latf(bindec(substr($_aisdata,89,27)));
+			$ro->cog = bindec(substr($_aisdata, 116, 12))/10;
+			$ro->sog = bindec(substr($_aisdata, 50, 10))/10;
+			$ro->lon = $this->make_lonf(bindec(substr($_aisdata, 61, 28)));
+			$ro->lat = $this->make_latf(bindec(substr($_aisdata, 89, 27)));
 			$ro->cls = 1; // class A
 		} else if ($ro->id == 5) {
 			//$imo = bindec(substr($_aisdata,40,30));
 			//$cs = $this->binchar($_aisdata,70,42);
-			$ro->name = $this->binchar($_aisdata,112,120);
+			$ro->name = $this->binchar($_aisdata, 112, 120);
 			$ro->cls = 1; // class A
 		} else if ($ro->id == 18) {
-			$ro->cog = bindec(substr($_aisdata,112,12))/10;
-			$ro->sog = bindec(substr($_aisdata,46,10))/10;
-			$ro->lon = $this->make_lonf(bindec(substr($_aisdata,57,28)));
-			$ro->lat = $this->make_latf(bindec(substr($_aisdata,85,27)));
+			$ro->cog = bindec(substr($_aisdata, 112, 12))/10;
+			$ro->sog = bindec(substr($_aisdata, 46, 10))/10;
+			$ro->lon = $this->make_lonf(bindec(substr($_aisdata, 57, 28)));
+			$ro->lat = $this->make_latf(bindec(substr($_aisdata, 85, 27)));
 			$ro->cls = 2; // class B
 		} else if ($ro->id == 19) {
-			$ro->cog = bindec(substr($_aisdata,112,12))/10;
-			$ro->sog = bindec(substr($_aisdata,46,10))/10;
-			$ro->lon = $this->make_lonf(bindec(substr($_aisdata,61,28)));
-			$ro->lat = $this->make_latf(bindec(substr($_aisdata,89,27)));
-			$ro->name = $this->binchar($_aisdata,143,120);
+			$ro->cog = bindec(substr($_aisdata, 112, 12))/10;
+			$ro->sog = bindec(substr($_aisdata, 46, 10))/10;
+			$ro->lon = $this->make_lonf(bindec(substr($_aisdata, 61, 28)));
+			$ro->lat = $this->make_latf(bindec(substr($_aisdata, 89, 27)));
+			$ro->name = $this->binchar($_aisdata, 143, 120);
 			$ro->cls = 2; // class B
 		} else if ($ro->id == 24) {
-			$pn = bindec(substr($_aisdata,38,2));
+			$pn = bindec(substr($_aisdata, 38, 2));
 			if ($pn == 0) {
-				$ro->name = $this->binchar($_aisdata,40,120);
+				$ro->name = $this->binchar($_aisdata, 40, 120);
 			}
 			$ro->cls = 2; // class B
 		}
-		$ro->statusid = bindec(substr($_aisdata,38,4));
+		$ro->statusid = bindec(substr($_aisdata, 38, 4));
 		$ro->status = $this->getStatus($ro->statusid);
 		//var_dump($ro); // dump results here for demo purpose
 		return $ro;
@@ -206,14 +206,14 @@ 
 		global $port; // tcpip port...
 		
 		static $debug_counter = 0;
-		$aisdata168='';//six bit array of ascii characters
+		$aisdata168 = ''; //six bit array of ascii characters
 		$ais_nmea_array = str_split($_itu); // convert to an array
 		foreach ($ais_nmea_array as $value) {
 			$dec = $this->ascii_2_dec($value);
 			$bit8 = $this->asciidec_2_8bit($dec);
 			$bit6 = $this->dec_2_6bit($bit8);
 			//echo $value ."-" .$bit6 ."";
-			$aisdata168 .=$bit6;
+			$aisdata168 .= $bit6;
 		}
 		//echo $aisdata168 . "<br/>";
 		//return $this->decode_ais($aisdata168, $aux);
@@ -236,20 +236,20 @@ 
 		// calculate checksum after ! till *
 		// assume 1st ! is valid
 		// find * ensure that it is at correct position
-		$end = strrpos ( $rawdata , '*' );
+		$end = strrpos($rawdata, '*');
 		if ($end === FALSE) return -1; // check for NULLS!!!
-		$cs = substr( $rawdata, $end + 1 );
-		if ( strlen($cs) != 2 ) return -1; // correct cs length
-		$dcs = (int)hexdec( $cs );
-		for ( $alias=1; $alias<$end; $alias++) $chksum ^= ord( $rawdata[$alias] ); // perform XOR for NMEA checksum
-		if ( $chksum == $dcs ) { // NMEA checksum pass
+		$cs = substr($rawdata, $end + 1);
+		if (strlen($cs) != 2) return -1; // correct cs length
+		$dcs = (int) hexdec($cs);
+		for ($alias = 1; $alias < $end; $alias++) $chksum ^= ord($rawdata[$alias]); // perform XOR for NMEA checksum
+		if ($chksum == $dcs) { // NMEA checksum pass
 			$pcs = explode(',', $rawdata);
 			// !AI??? identifier
-			$num_seq = (int)$pcs[1]; // number of sequences
-			$seq = (int)$pcs[2]; // get sequence
+			$num_seq = (int) $pcs[1]; // number of sequences
+			$seq = (int) $pcs[2]; // get sequence
 			// get msg sequence id
 			if ($pcs[3] == '') $msg_sid = -1; // non-multipart message, set to -1
-			else $msg_sid = (int)$pcs[3]; // multipart message
+			else $msg_sid = (int) $pcs[3]; // multipart message
 			$ais_ch = $pcs[4]; // get AIS channel
 			// message sequence checking
 			if ($num_seq < 1 || $num_seq > 9) {
@@ -282,7 +282,7 @@ 
 					}
 				}
 				$itu = $itu.$pcs[5]; // get itu message
-				$filler += (int)$pcs[6][0]; // get filler
+				$filler += (int) $pcs[6][0]; // get filler
 				if ($num_seq == 1 // valid single message
 				    || $num_seq == $pseq // valid multi-part message
 				) {
@@ -302,13 +302,13 @@ 
 		$cbuf = $cbuf.$ibuf;
 		$last_pos = 0;
 		$result = new stdClass();
-		while ( ($start = strpos($cbuf,"VDM",$last_pos)) !== FALSE) {
+		while (($start = strpos($cbuf, "VDM", $last_pos)) !== FALSE) {
 		//while ( ($start = strpos($cbuf,"!AI",$last_pos)) !== FALSE) {
 			//DEBUG echo $cbuf;
-			if ( ($end = strpos($cbuf,"\r\n", $start)) !== FALSE) { //TBD need to trim?
+			if (($end = strpos($cbuf, "\r\n", $start)) !== FALSE) { //TBD need to trim?
 				$tst = substr($cbuf, $start - 3, ($end - $start + 3));
 				//DEBUG echo "[$start $end $tst]\n";
-				$result = $this->process_ais_raw( $tst, "" );
+				$result = $this->process_ais_raw($tst, "");
 				$last_pos = $end + 1;
 			} else break;
 		}
@@ -320,41 +320,41 @@ 
 	// incoming data from serial or IP comms
 	public function process_ais_line($cbuf) {
 		$result = new stdClass();
-		$start = strpos($cbuf,"VDM");
+		$start = strpos($cbuf, "VDM");
 		$tst = substr($cbuf, $start - 3);
-		$result = $this->process_ais_raw( $tst, "" );
+		$result = $this->process_ais_raw($tst, "");
 		return $result;
 	}
 
 	/* AIS Encoding
 	*/
-	private function mk_ais_lat( $lat ) {
+	private function mk_ais_lat($lat) {
 		//$lat = 1.2569;
-		if ($lat<0.0) {
+		if ($lat < 0.0) {
 			$lat = -$lat;
-			$neg=true;
-		} else $neg=false;
+			$neg = true;
+		} else $neg = false;
 		$latd = 0x00000000;
-		$latd = intval ($lat * 600000.0);
-		if ($neg==true) {
+		$latd = intval($lat*600000.0);
+		if ($neg == true) {
 			$latd = ~$latd;
-			$latd+=1;
+			$latd += 1;
 			$latd &= 0x07FFFFFF;
 		}
 		return $latd;
 	}
 
-	private function mk_ais_lon( $lon ) {
+	private function mk_ais_lon($lon) {
 		//$lon = 103.851;
-		if ($lon<0.0) {
+		if ($lon < 0.0) {
 			$lon = -$lon;
-			$neg=true;
-		} else $neg=false;
+			$neg = true;
+		} else $neg = false;
 		$lond = 0x00000000;
-		$lond = intval ($lon * 600000.0);
-		if ($neg==true) {
+		$lond = intval($lon*600000.0);
+		if ($neg == true) {
 			$lond = ~$lond;
-			$lond+=1;
+			$lond += 1;
 			$lond &= 0x0FFFFFFF;
 		}
 		return $lond;
@@ -362,8 +362,8 @@ 
 
 	private function char2bin($name, $max_len) {
 		$len = strlen($name);
-		if ($len > $max_len) $name = substr($name,0,$max_len);
-		if ($len < $max_len) $pad = str_repeat('0', ($max_len - $len) * 6);
+		if ($len > $max_len) $name = substr($name, 0, $max_len);
+		if ($len < $max_len) $pad = str_repeat('0', ($max_len - $len)*6);
 		else $pad = '';
 		$rv = '';
 		$ais_chars = array(
@@ -379,26 +379,26 @@ 
 		if ($_a) foreach ($_a as $_1) {
 			if (isset($ais_chars[$_1])) $dec = $ais_chars[$_1];
 			else $dec = 0;
-			$bin = str_pad(decbin( $dec ), 6, '0', STR_PAD_LEFT);
+			$bin = str_pad(decbin($dec), 6, '0', STR_PAD_LEFT);
 			$rv .= $bin;
 			//echo "$_1 $dec ($bin)<br/>";
 		}
 		return $rv.$pad;
 	}
 
-	private function mk_ais($_enc, $_part=1,$_total=1,$_seq='',$_ch='A') {
+	private function mk_ais($_enc, $_part = 1, $_total = 1, $_seq = '', $_ch = 'A') {
 		$len_bit = strlen($_enc);
-		$rem6 = $len_bit % 6;
+		$rem6 = $len_bit%6;
 		$pad6_len = 0;
 		if ($rem6) $pad6_len = 6 - $rem6;
 		//echo  $pad6_len.'<br>';
 		$_enc .= str_repeat("0", $pad6_len); // pad the text...
-		$len_enc = strlen($_enc) / 6;
+		$len_enc = strlen($_enc)/6;
 		//echo $_enc.' '.$len_enc.'<br/>';
 		$itu = '';
-		for ($i=0; $i<$len_enc; $i++) {
-			$offset = $i * 6;
-			$dec = bindec(substr($_enc,$offset,6));
+		for ($i = 0; $i < $len_enc; $i++) {
+			$offset = $i*6;
+			$dec = bindec(substr($_enc, $offset, 6));
 			if ($dec < 40) $dec += 48;
 			else $dec += 56;
 			//echo chr($dec)." $dec<br/>";
@@ -408,15 +408,15 @@ 
 		$chksum = 0;
 		$itu = "AIVDM,$_part,$_total,$_seq,$_ch,".$itu.",0";
 		$len_itu = strlen($itu);
-		for ($i=0; $i<$len_itu; $i++) {
-			$chksum ^= ord( $itu[$i] );
+		for ($i = 0; $i < $len_itu; $i++) {
+			$chksum ^= ord($itu[$i]);
 		}
-		$hex_arr = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
-		$lsb = $chksum & 0x0F;
-		if ($lsb >=0 && $lsb <= 15 ) $lsbc = $hex_arr[$lsb];
+		$hex_arr = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');
+		$lsb = $chksum&0x0F;
+		if ($lsb >= 0 && $lsb <= 15) $lsbc = $hex_arr[$lsb];
 		else $lsbc = '0';
-		$msb = (($chksum & 0xF0) >> 4) & 0x0F;
-		if ($msb >=0 && $msb <= 15 ) $msbc = $hex_arr[$msb];
+		$msb = (($chksum&0xF0) >> 4)&0x0F;
+		if ($msb >= 0 && $msb <= 15) $msbc = $hex_arr[$msb];
 		else $msbc = '0';
 		$itu = '!'.$itu."*{$msbc}{$lsbc}\r\n";
 		return $itu;
@@ -442,13 +442,13 @@ 
 	public function parse_line($buffer) {
 		$result = array();
 		$data = new stdClass();
-		$start = strpos($buffer,"VDM");
+		$start = strpos($buffer, "VDM");
 		$tst = substr($buffer, $start - 3);
-		$data = $this->process_ais_raw( $tst, "" );
+		$data = $this->process_ais_raw($tst, "");
 		if (!is_object($data)) return array();
 		if ($data->lon != 0) $result['longitude'] = $data->lon;
 		if ($data->lat != 0) $result['latitude'] = $data->lat;
-		$result['ident'] = trim(str_replace('@','',$data->name));
+		$result['ident'] = trim(str_replace('@', '', $data->name));
 		$result['timestamp'] = $data->ts;
 		$result['mmsi'] = $data->mmsi;
 		if ($data->sog != -1.0) $result['speed'] = $data->sog;