Ysurac / FlightAirMap

install/class.update_schema.php

Indentation +614 added lines, -614 removed lines

@@ -8,18 +8,18 @@ 
 class update_schema {
 
 	public static function update_schedule() {
-	    $Connection = new Connection();
-	    $Schedule = new Schedule();
-	    $query = "SELECT * FROM schedule";
-            try {
-            	$sth = $Connection->db->prepare($query);
+		$Connection = new Connection();
+		$Schedule = new Schedule();
+		$query = "SELECT * FROM schedule";
+			try {
+				$sth = $Connection->db->prepare($query);
 		$sth->execute();
-    	    } catch(PDOException $e) {
+			} catch(PDOException $e) {
 		return "error : ".$e->getMessage()."\n";
-    	    }
-    	    while ($row = $sth->fetch(PDO::FETCH_ASSOC)) {
-    		$Schedule->addSchedule($row['ident'],$row['departure_airport_icao'],$row['departure_airport_time'],$row['arrival_airport_icao'],$row['arrival_airport_time']);
-    	    }
+			}
+			while ($row = $sth->fetch(PDO::FETCH_ASSOC)) {
+			$Schedule->addSchedule($row['ident'],$row['departure_airport_icao'],$row['departure_airport_time'],$row['arrival_airport_icao'],$row['arrival_airport_time']);
+			}
 	
 	}
 /*
@@ -43,198 +43,198 @@ 
     	}
 */	
 	private static function update_from_1() {
-    		$Connection = new Connection();
-    		// Add new column to routes table
-    		//$query = "ALTER TABLE `routes` ADD `FromAirport_Time` VARCHAR(10),`ToAirport_Time` VARCHAR(10),`Source` VARCHAR(255),`date_added` DATETIME DEFAULT CURRENT TIMESTAMP,`date_modified` DATETIME,`date_lastseen` DATETIME";
+			$Connection = new Connection();
+			// Add new column to routes table
+			//$query = "ALTER TABLE `routes` ADD `FromAirport_Time` VARCHAR(10),`ToAirport_Time` VARCHAR(10),`Source` VARCHAR(255),`date_added` DATETIME DEFAULT CURRENT TIMESTAMP,`date_modified` DATETIME,`date_lastseen` DATETIME";
 		$query = "ALTER TABLE `routes` ADD `FromAirport_Time` VARCHAR(10) NULL , ADD `ToAirport_Time` VARCHAR(10) NULL , ADD `Source` VARCHAR(255) NULL, ADD `date_added` timestamp DEFAULT CURRENT_TIMESTAMP, ADD `date_modified` timestamp NULL, ADD `date_lastseen` timestamp NULL";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add new columns to routes table) : ".$e->getMessage()."\n";
-    		}
-    		// Copy schedules data to routes table
-    		self::update_schedule();
-    		// Delete schedule table
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add new columns to routes table) : ".$e->getMessage()."\n";
+			}
+			// Copy schedules data to routes table
+			self::update_schedule();
+			// Delete schedule table
 		$query = "DROP TABLE `schedule`";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (delete schedule table) : ".$e->getMessage()."\n";
-    		}
-    		// Add source column
-    		$query = "ALTER TABLE `aircraft_modes` ADD `Source` VARCHAR(255) NULL";
-    		try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add source column to aircraft_modes) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (delete schedule table) : ".$e->getMessage()."\n";
+			}
+			// Add source column
+			$query = "ALTER TABLE `aircraft_modes` ADD `Source` VARCHAR(255) NULL";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add source column to aircraft_modes) : ".$e->getMessage()."\n";
+			}
 		// Delete unused column
 		$query = "ALTER TABLE `aircraft_modes`  DROP `SerialNo`,  DROP `OperatorFlagCode`,  DROP `Manufacturer`,  DROP `Type`,  DROP `FirstRegDate`,  DROP `CurrentRegDate`,  DROP `Country`,  DROP `PreviousID`,  DROP `DeRegDate`,  DROP `Status`,  DROP `PopularName`,  DROP `GenericName`,  DROP `AircraftClass`,  DROP `Engines`,  DROP `OwnershipStatus`,  DROP `RegisteredOwners`,  DROP `MTOW`,  DROP `TotalHours`,  DROP `YearBuilt`,  DROP `CofACategory`,  DROP `CofAExpiry`,  DROP `UserNotes`,  DROP `Interested`,  DROP `UserTag`,  DROP `InfoUrl`,  DROP `PictureUrl1`,  DROP `PictureUrl2`,  DROP `PictureUrl3`,  DROP `UserBool1`,  DROP `UserBool2`,  DROP `UserBool3`,  DROP `UserBool4`,  DROP `UserBool5`,  DROP `UserString1`,  DROP `UserString2`,  DROP `UserString3`,  DROP `UserString4`,  DROP `UserString5`,  DROP `UserInt1`,  DROP `UserInt2`,  DROP `UserInt3`,  DROP `UserInt4`,  DROP `UserInt5`";
-    		try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (Delete unused column of aircraft_modes) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (Delete unused column of aircraft_modes) : ".$e->getMessage()."\n";
+			}
 		// Add ModeS column
 		$query = "ALTER TABLE `spotter_output`  ADD `ModeS` VARCHAR(255) NULL";
-    		try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (Add ModeS column in spotter_output) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (Add ModeS column in spotter_output) : ".$e->getMessage()."\n";
+			}
 		$query = "ALTER TABLE `spotter_live`  ADD `ModeS` VARCHAR(255)";
-    		try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (Add ModeS column in spotter_live) : ".$e->getMessage()."\n";
-    		}
-    		// Add auto_increment for aircraft_modes
-    		$query = "ALTER TABLE `aircraft_modes` CHANGE `AircraftID` `AircraftID` INT(11) NOT NULL AUTO_INCREMENT";
-    		try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (Add Auto increment in aircraft_modes) : ".$e->getMessage()."\n";
-    		}
-    		$error = '';
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (Add ModeS column in spotter_live) : ".$e->getMessage()."\n";
+			}
+			// Add auto_increment for aircraft_modes
+			$query = "ALTER TABLE `aircraft_modes` CHANGE `AircraftID` `AircraftID` INT(11) NOT NULL AUTO_INCREMENT";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (Add Auto increment in aircraft_modes) : ".$e->getMessage()."\n";
+			}
+			$error = '';
 		$error .= create_db::import_file('../db/acars_live.sql');
 		$error .= create_db::import_file('../db/config.sql');
 		// Update schema_version to 2
 		$query = "UPDATE `config` SET `value` = '2' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
-        }
+		}
 
 	private static function update_from_2() {
-    		$Connection = new Connection();
-    		// Add new column decode to acars_live table
+			$Connection = new Connection();
+			// Add new column decode to acars_live table
 		$query = "ALTER TABLE `acars_live` ADD `decode` TEXT";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add new columns to routes table) : ".$e->getMessage()."\n";
-    		}
-    		$error = '';
-    		// Create table acars_archive
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add new columns to routes table) : ".$e->getMessage()."\n";
+			}
+			$error = '';
+			// Create table acars_archive
 		$error .= create_db::import_file('../db/acars_archive.sql');
 		// Update schema_version to 3
 		$query = "UPDATE `config` SET `value` = '3' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_3() {
-    		$Connection = new Connection();
-    		// Add default CURRENT_TIMESTAMP to aircraft_modes column FirstCreated
+			$Connection = new Connection();
+			// Add default CURRENT_TIMESTAMP to aircraft_modes column FirstCreated
 		$query = "ALTER TABLE `aircraft_modes` CHANGE `FirstCreated` `FirstCreated` timestamp DEFAULT CURRENT_TIMESTAMP";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add new columns to aircraft_modes) : ".$e->getMessage()."\n";
-    		}
-    		// Add image_source_website column to spotter_image
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add new columns to aircraft_modes) : ".$e->getMessage()."\n";
+			}
+			// Add image_source_website column to spotter_image
 		$query = "ALTER TABLE `spotter_image` ADD `image_source_website` VARCHAR(999) NULL";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add new columns to spotter_image) : ".$e->getMessage()."\n";
-    		}
-    		$error = '';
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add new columns to spotter_image) : ".$e->getMessage()."\n";
+			}
+			$error = '';
 		// Update schema_version to 4
 		$query = "UPDATE `config` SET `value` = '4' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 	
 	private static function update_from_4() {
-    		$Connection = new Connection();
+			$Connection = new Connection();
 	
-    		$error = '';
-    		// Create table acars_label
+			$error = '';
+			// Create table acars_label
 		$error .= create_db::import_file('../db/acars_label.sql');
 		if ($error == '') {
-		    // Update schema_version to 5
-		    $query = "UPDATE `config` SET `value` = '5' WHERE `name` = 'schema_version'";
-        	    try {
-            		$sth = $Connection->db->prepare($query);
+			// Update schema_version to 5
+			$query = "UPDATE `config` SET `value` = '5' WHERE `name` = 'schema_version'";
+				try {
+					$sth = $Connection->db->prepare($query);
 			$sth->execute();
-    		    } catch(PDOException $e) {
+				} catch(PDOException $e) {
 			return "error (update schema_version) : ".$e->getMessage()."\n";
-    		    }
-    		}
+				}
+			}
 		return $error;
 	}
 
 	private static function update_from_5() {
-    		$Connection = new Connection();
-    		// Add columns to translation
+			$Connection = new Connection();
+			// Add columns to translation
 		$query = "ALTER TABLE `translation` ADD `Source` VARCHAR(255) NULL, ADD `date_added` timestamp DEFAULT CURRENT_TIMESTAMP , ADD `date_modified` timestamp DEFAULT CURRENT_TIMESTAMP ;";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add new columns to translation) : ".$e->getMessage()."\n";
-    		}
-    		// Add aircraft_shadow column to aircraft
-    		$query = "ALTER TABLE `aircraft` ADD `aircraft_shadow` VARCHAR(255) NULL";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add new column to aircraft) : ".$e->getMessage()."\n";
-    		}
-    		// Add aircraft_shadow column to spotter_live
-    		$query = "ALTER TABLE `spotter_live` ADD `aircraft_shadow` VARCHAR(255) NULL";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add new column to spotter_live) : ".$e->getMessage()."\n";
-    		}
-    		$error = '';
-    		// Update table aircraft
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add new columns to translation) : ".$e->getMessage()."\n";
+			}
+			// Add aircraft_shadow column to aircraft
+			$query = "ALTER TABLE `aircraft` ADD `aircraft_shadow` VARCHAR(255) NULL";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add new column to aircraft) : ".$e->getMessage()."\n";
+			}
+			// Add aircraft_shadow column to spotter_live
+			$query = "ALTER TABLE `spotter_live` ADD `aircraft_shadow` VARCHAR(255) NULL";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add new column to spotter_live) : ".$e->getMessage()."\n";
+			}
+			$error = '';
+			// Update table aircraft
 		$error .= create_db::import_file('../db/aircraft.sql');
 		$error .= create_db::import_file('../db/spotter_archive.sql');
 
 		// Update schema_version to 6
 		$query = "UPDATE `config` SET `value` = '6' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_6() {
-    		$Connection = new Connection();
-    		if (!$Connection->indexExists('spotter_output','flightaware_id')) {
-    		    $query = "ALTER TABLE spotter_output ADD INDEX(flightaware_id);
+			$Connection = new Connection();
+			if (!$Connection->indexExists('spotter_output','flightaware_id')) {
+				$query = "ALTER TABLE spotter_output ADD INDEX(flightaware_id);
 			ALTER TABLE spotter_output ADD INDEX(date);
 			ALTER TABLE spotter_output ADD INDEX(ident);
 			ALTER TABLE spotter_live ADD INDEX(flightaware_id);
@@ -247,147 +247,147 @@ 
 			ALTER TABLE aircraft ADD INDEX(icao);
 			ALTER TABLE airport ADD INDEX(icao);
 			ALTER TABLE translation ADD INDEX(Operator);";
-        	    try {
-            		$sth = $Connection->db->prepare($query);
+				try {
+					$sth = $Connection->db->prepare($query);
 			$sth->execute();
-    		    } catch(PDOException $e) {
+				} catch(PDOException $e) {
 			return "error (add some indexes) : ".$e->getMessage()."\n";
-    		    }
-    		}
-    		$error = '';
-    		// Update table countries
-    		if ($Connection->tableExists('airspace')) {
-    		    $error .= update_db::update_countries();
-		    if ($error != '') return $error;
+				}
+			}
+			$error = '';
+			// Update table countries
+			if ($Connection->tableExists('airspace')) {
+				$error .= update_db::update_countries();
+			if ($error != '') return $error;
 		}
 		// Update schema_version to 7
 		$query = "UPDATE `config` SET `value` = '7' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
-    	}
+		}
 
 	private static function update_from_7() {
 		global $globalDBname, $globalDBdriver;
-    		$Connection = new Connection();
-    		$query="ALTER TABLE spotter_live ADD pilot_name VARCHAR(255) NULL, ADD pilot_id VARCHAR(255) NULL;
+			$Connection = new Connection();
+			$query="ALTER TABLE spotter_live ADD pilot_name VARCHAR(255) NULL, ADD pilot_id VARCHAR(255) NULL;
     			ALTER TABLE spotter_output ADD pilot_name VARCHAR(255) NULL, ADD pilot_id VARCHAR(255) NULL;";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add pilot column to spotter_live and spotter_output) : ".$e->getMessage()."\n";
-    		}
-    		if ($globalDBdriver == 'mysql') {
-    		    $query = "SELECT ENGINE FROM information_schema.TABLES where TABLE_SCHEMA = '".$globalDBname."' AND TABLE_NAME = 'spotter_archive'";
-		    try {
-            		$sth = $Connection->db->prepare($query);
-			$sth->execute();
-    		    } catch(PDOException $e) {
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add pilot column to spotter_live and spotter_output) : ".$e->getMessage()."\n";
+			}
+			if ($globalDBdriver == 'mysql') {
+				$query = "SELECT ENGINE FROM information_schema.TABLES where TABLE_SCHEMA = '".$globalDBname."' AND TABLE_NAME = 'spotter_archive'";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+				} catch(PDOException $e) {
 			return "error (problem when select engine for spotter_engine) : ".$e->getMessage()."\n";
-    		    }
-    		    $row = $sth->fetch(PDO::FETCH_ASSOC);
-    		    if ($row['engine'] == 'ARCHIVE') {
+				}
+				$row = $sth->fetch(PDO::FETCH_ASSOC);
+				if ($row['engine'] == 'ARCHIVE') {
 			$query = "CREATE TABLE copy LIKE spotter_archive; 
 				ALTER TABLE copy ENGINE=ARCHIVE;
 				ALTER TABLE copy ADD pilot_name VARCHAR(255) NULL, ADD pilot_id VARCHAR(255) NULL;
 				INSERT INTO copy SELECT *, '' as pilot_name, '' as pilot_id FROM spotter_archive ORDER BY `spotter_archive_id`;
 				DROP TABLE spotter_archive;
 				RENAME TABLE copy TO spotter_archive;";
-            	    } else {
-    			$query="ALTER TABLE spotter_archive ADD pilot_name VARCHAR(255) NULL, ADD pilot_id VARCHAR(255) NULL";
-            	    }
-                } else {
-    		    $query="ALTER TABLE spotter_archive ADD pilot_name VARCHAR(255) NULL, ADD pilot_id VARCHAR(255) NULL";
-                }
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add pilot column to spotter_archive) : ".$e->getMessage()."\n";
-    		}
+					} else {
+				$query="ALTER TABLE spotter_archive ADD pilot_name VARCHAR(255) NULL, ADD pilot_id VARCHAR(255) NULL";
+					}
+				} else {
+				$query="ALTER TABLE spotter_archive ADD pilot_name VARCHAR(255) NULL, ADD pilot_id VARCHAR(255) NULL";
+				}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add pilot column to spotter_archive) : ".$e->getMessage()."\n";
+			}
 
-    		$error = '';
-    		// Update table aircraft
+			$error = '';
+			// Update table aircraft
 		$error .= create_db::import_file('../db/source_location.sql');
 		if ($error != '') return $error;
 		// Update schema_version to 6
 		$query = "UPDATE `config` SET `value` = '8' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_8() {
-    		$Connection = new Connection();
-    		$error = '';
-    		// Update table aircraft
+			$Connection = new Connection();
+			$error = '';
+			// Update table aircraft
 		$error .= create_db::import_file('../db/notam.sql');
 		if ($error != '') return $error;
 		$query = "DELETE FROM config WHERE name = 'last_update_db';
                         INSERT INTO config (name,value) VALUES ('last_update_db',NOW());
                         DELETE FROM config WHERE name = 'last_update_notam_db';
                         INSERT INTO config (name,value) VALUES ('last_update_notam_db',NOW());";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (insert last_update values) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (insert last_update values) : ".$e->getMessage()."\n";
+			}
 		$query = "UPDATE `config` SET `value` = '9' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_9() {
-    		$Connection = new Connection();
-    		$query="ALTER TABLE spotter_live ADD verticalrate INT(11) NULL;
+			$Connection = new Connection();
+			$query="ALTER TABLE spotter_live ADD verticalrate INT(11) NULL;
     			ALTER TABLE spotter_output ADD verticalrate INT(11) NULL;";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add verticalrate column to spotter_live and spotter_output) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add verticalrate column to spotter_live and spotter_output) : ".$e->getMessage()."\n";
+			}
 		$error = '';
-    		// Update table atc
+			// Update table atc
 		$error .= create_db::import_file('../db/atc.sql');
 		if ($error != '') return $error;
 		
 		$query = "UPDATE `config` SET `value` = '10' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_10() {
-    		$Connection = new Connection();
-    		$query="ALTER TABLE atc CHANGE `type` `type` ENUM('Observer','Flight Information','Delivery','Tower','Approach','ACC','Departure','Ground','Flight Service Station','Control Radar or Centre') CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add new enum to ATC table) : ".$e->getMessage()."\n";
-    		}
+			$Connection = new Connection();
+			$query="ALTER TABLE atc CHANGE `type` `type` ENUM('Observer','Flight Information','Delivery','Tower','Approach','ACC','Departure','Ground','Flight Service Station','Control Radar or Centre') CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add new enum to ATC table) : ".$e->getMessage()."\n";
+			}
 		$error = '';
-    		// Add tables
+			// Add tables
 		$error .= create_db::import_file('../db/aircraft_owner.sql');
 		if ($error != '') return $error;
 		$error .= create_db::import_file('../db/metar.sql');
@@ -398,76 +398,76 @@ 
 		if ($error != '') return $error;
 		
 		$query = "UPDATE `config` SET `value` = '11' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_11() {
 		global $globalDBdriver, $globalDBname;
-    		$Connection = new Connection();
-    		$query="ALTER TABLE spotter_output ADD owner_name VARCHAR(255) NULL DEFAULT NULL, ADD format_source VARCHAR(255) NULL DEFAULT NULL, ADD ground BOOLEAN NOT NULL DEFAULT FALSE, ADD last_ground BOOLEAN NOT NULL DEFAULT FALSE, ADD last_seen DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, ADD last_latitude FLOAT NULL, ADD last_longitude FLOAT NULL, ADD last_altitude INT(11) NULL, ADD last_ground_speed INT(11), ADD real_arrival_airport_icao VARCHAR(999), ADD real_arrival_airport_time VARCHAR(20),ADD real_departure_airport_icao VARCHAR(999), ADD real_departure_airport_time VARCHAR(20)";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add owner_name & format_source column to spotter_output) : ".$e->getMessage()."\n";
-    		}
-    		$query="ALTER TABLE spotter_live ADD format_source VARCHAR(255) NULL DEFAULT NULL, ADD ground BOOLEAN NOT NULL DEFAULT FALSE";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (format_source column to spotter_live) : ".$e->getMessage()."\n";
-    		}
-    		if ($globalDBdriver == 'mysql') {
-    		    $query = "SELECT ENGINE FROM information_schema.TABLES where TABLE_SCHEMA = '".$globalDBname."' AND TABLE_NAME = 'spotter_archive'";
-		    try {
-            		$sth = $Connection->db->prepare($query);
-			$sth->execute();
-    		    } catch(PDOException $e) {
+			$Connection = new Connection();
+			$query="ALTER TABLE spotter_output ADD owner_name VARCHAR(255) NULL DEFAULT NULL, ADD format_source VARCHAR(255) NULL DEFAULT NULL, ADD ground BOOLEAN NOT NULL DEFAULT FALSE, ADD last_ground BOOLEAN NOT NULL DEFAULT FALSE, ADD last_seen DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, ADD last_latitude FLOAT NULL, ADD last_longitude FLOAT NULL, ADD last_altitude INT(11) NULL, ADD last_ground_speed INT(11), ADD real_arrival_airport_icao VARCHAR(999), ADD real_arrival_airport_time VARCHAR(20),ADD real_departure_airport_icao VARCHAR(999), ADD real_departure_airport_time VARCHAR(20)";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add owner_name & format_source column to spotter_output) : ".$e->getMessage()."\n";
+			}
+			$query="ALTER TABLE spotter_live ADD format_source VARCHAR(255) NULL DEFAULT NULL, ADD ground BOOLEAN NOT NULL DEFAULT FALSE";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (format_source column to spotter_live) : ".$e->getMessage()."\n";
+			}
+			if ($globalDBdriver == 'mysql') {
+				$query = "SELECT ENGINE FROM information_schema.TABLES where TABLE_SCHEMA = '".$globalDBname."' AND TABLE_NAME = 'spotter_archive'";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+				} catch(PDOException $e) {
 			return "error (problem when select engine for spotter_engine) : ".$e->getMessage()."\n";
-    		    }
-    		    $row = $sth->fetch(PDO::FETCH_ASSOC);
-    		    if ($row['engine'] == 'ARCHIVE') {
+				}
+				$row = $sth->fetch(PDO::FETCH_ASSOC);
+				if ($row['engine'] == 'ARCHIVE') {
 			$query = "CREATE TABLE copy LIKE spotter_archive; 
 				ALTER TABLE copy ENGINE=ARCHIVE;
 				ALTER TABLE copy ADD verticalrate INT(11) NULL, ADD format_source VARCHAR(255) NULL DEFAULT NULL, ADD ground BOOLEAN NOT NULL DEFAULT FALSE;
 				INSERT INTO copy SELECT *, '' as verticalrate, '' as format_source, '0' as ground FROM spotter_archive ORDER BY `spotter_archive_id`;
 				DROP TABLE spotter_archive;
 				RENAME TABLE copy TO spotter_archive;";
-            	    } else {
-    			$query="ALTER TABLE spotter_archive ADD verticalrate INT(11) NULL, ADD format_source VARCHAR(255) NULL DEFAULT NULL, ADD ground BOOLEAN NOT NULL DEFAULT FALSE";
-            	    }
-                } else {
-    		    $query="ALTER TABLE spotter_archive ADD verticalrate INT(11) NULL, ADD format_source VARCHAR(255) NULL DEFAULT NULL, ADD ground BOOLEAN NOT NULL DEFAULT FALSE";
-                }
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add columns to spotter_archive) : ".$e->getMessage()."\n";
-    		}
+					} else {
+				$query="ALTER TABLE spotter_archive ADD verticalrate INT(11) NULL, ADD format_source VARCHAR(255) NULL DEFAULT NULL, ADD ground BOOLEAN NOT NULL DEFAULT FALSE";
+					}
+				} else {
+				$query="ALTER TABLE spotter_archive ADD verticalrate INT(11) NULL, ADD format_source VARCHAR(255) NULL DEFAULT NULL, ADD ground BOOLEAN NOT NULL DEFAULT FALSE";
+				}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add columns to spotter_archive) : ".$e->getMessage()."\n";
+			}
 
 		$error = '';
 		
 		$query = "UPDATE `config` SET `value` = '12' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 	private static function update_from_12() {
-    		$Connection = new Connection();
+			$Connection = new Connection();
 		$error = '';
-    		// Add tables
+			// Add tables
 		$error .= create_db::import_file('../db/stats.sql');
 		if ($error != '') return $error;
 		$error .= create_db::import_file('../db/stats_aircraft.sql');
@@ -484,166 +484,166 @@ 
 		if ($error != '') return $error;
 		
 		$query = "UPDATE `config` SET `value` = '13' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_13() {
-    		$Connection = new Connection();
-    		if (!$Connection->checkColumnName('spotter_archive_output','real_departure_airport_icao')) {
-    			$query="ALTER TABLE spotter_archive_output ADD real_departure_airport_icao VARCHAR(20), ADD real_departure_airport_time VARCHAR(20)";
+			$Connection = new Connection();
+			if (!$Connection->checkColumnName('spotter_archive_output','real_departure_airport_icao')) {
+				$query="ALTER TABLE spotter_archive_output ADD real_departure_airport_icao VARCHAR(20), ADD real_departure_airport_time VARCHAR(20)";
 			try {
 				$sth = $Connection->db->prepare($query);
 				$sth->execute();
-	    		} catch(PDOException $e) {
+				} catch(PDOException $e) {
 				return "error (update spotter_archive_output) : ".$e->getMessage()."\n";
-    			}
+				}
 		}
-    		$error = '';
+			$error = '';
 		$query = "UPDATE `config` SET `value` = '14' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_14() {
-    		$Connection = new Connection();
+			$Connection = new Connection();
 		$error = '';
-    		// Add tables
-    		if (!$Connection->tableExists('stats_flight')) {
+			// Add tables
+			if (!$Connection->tableExists('stats_flight')) {
 			$error .= create_db::import_file('../db/stats_flight.sql');
 			if ($error != '') return $error;
 		}
 		$query = "UPDATE `config` SET `value` = '15' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 
 	private static function update_from_15() {
-    		$Connection = new Connection();
+			$Connection = new Connection();
 		$error = '';
-    		// Add tables
-    		$query="ALTER TABLE `stats` CHANGE `stats_date` `stats_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update stats) : ".$e->getMessage()."\n";
-    		}
+			// Add tables
+			$query="ALTER TABLE `stats` CHANGE `stats_date` `stats_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP";
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update stats) : ".$e->getMessage()."\n";
+			}
 		if ($error != '') return $error;
 		$query = "UPDATE `config` SET `value` = '16' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_16() {
-    		$Connection = new Connection();
+			$Connection = new Connection();
 		$error = '';
-    		// Add tables
-    		if (!$Connection->tableExists('stats_registration')) {
+			// Add tables
+			if (!$Connection->tableExists('stats_registration')) {
 			$error .= create_db::import_file('../db/stats_registration.sql');
 		}
-    		if (!$Connection->tableExists('stats_callsign')) {
+			if (!$Connection->tableExists('stats_callsign')) {
 			$error .= create_db::import_file('../db/stats_callsign.sql');
 		}
 		if ($error != '') return $error;
 		$query = "UPDATE `config` SET `value` = '17' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_17() {
-    		$Connection = new Connection();
+			$Connection = new Connection();
 		$error = '';
-    		// Add tables
-    		if (!$Connection->tableExists('stats_country')) {
+			// Add tables
+			if (!$Connection->tableExists('stats_country')) {
 			$error .= create_db::import_file('../db/stats_country.sql');
 		}
 		if ($error != '') return $error;
 		$query = "UPDATE `config` SET `value` = '18' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 	private static function update_from_18() {
-    		$Connection = new Connection();
+			$Connection = new Connection();
 		$error = '';
-    		// Modify stats_airport table
-    		if (!$Connection->checkColumnName('stats_airport','airport_name')) {
-    			$query = "ALTER TABLE `stats_airport` ADD `stats_type` VARCHAR(50) NOT NULL DEFAULT 'yearly', ADD `airport_name` VARCHAR(255) NOT NULL, ADD `date` DATE NULL DEFAULT NULL, DROP INDEX `airport_icao`, ADD UNIQUE `airport_icao` (`airport_icao`, `type`, `date`)";
-    	        	try {
-	            	    $sth = $Connection->db->prepare($query);
-			    $sth->execute();
-    			} catch(PDOException $e) {
-			    return "error (update stats) : ".$e->getMessage()."\n";
-    			}
-    		}
+			// Modify stats_airport table
+			if (!$Connection->checkColumnName('stats_airport','airport_name')) {
+				$query = "ALTER TABLE `stats_airport` ADD `stats_type` VARCHAR(50) NOT NULL DEFAULT 'yearly', ADD `airport_name` VARCHAR(255) NOT NULL, ADD `date` DATE NULL DEFAULT NULL, DROP INDEX `airport_icao`, ADD UNIQUE `airport_icao` (`airport_icao`, `type`, `date`)";
+					try {
+						$sth = $Connection->db->prepare($query);
+				$sth->execute();
+				} catch(PDOException $e) {
+				return "error (update stats) : ".$e->getMessage()."\n";
+				}
+			}
 		if ($error != '') return $error;
 		$query = "UPDATE `config` SET `value` = '19' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_19() {
-    		$Connection = new Connection();
+			$Connection = new Connection();
 		$error = '';
-    		// Update airport table
+			// Update airport table
 		$error .= create_db::import_file('../db/airport.sql');
 		if ($error != '') return 'Import airport.sql : '.$error;
 		// Remove primary key on Spotter_Archive
 		$query = "alter table spotter_archive drop spotter_archive_id";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (remove primary key on spotter_archive) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (remove primary key on spotter_archive) : ".$e->getMessage()."\n";
+			}
 		$query = "alter table spotter_archive add spotter_archive_id INT(11)";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (add id again on spotter_archive) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (add id again on spotter_archive) : ".$e->getMessage()."\n";
+			}
 		if (!$Connection->checkColumnName('spotter_archive','over_country')) {
 			// Add column over_country
-    			$query = "ALTER TABLE `spotter_archive` ADD `over_country` VARCHAR(5) NULL DEFAULT NULL";
+				$query = "ALTER TABLE `spotter_archive` ADD `over_country` VARCHAR(5) NULL DEFAULT NULL";
 			try {
-            			$sth = $Connection->db->prepare($query);
+						$sth = $Connection->db->prepare($query);
 				$sth->execute();
 			} catch(PDOException $e) {
 				return "error (add over_country) : ".$e->getMessage()."\n";
@@ -651,9 +651,9 @@ 
 		}
 		if (!$Connection->checkColumnName('spotter_live','over_country')) {
 			// Add column over_country
-    			$query = "ALTER TABLE `spotter_live` ADD `over_country` VARCHAR(5) NULL DEFAULT NULL";
+				$query = "ALTER TABLE `spotter_live` ADD `over_country` VARCHAR(5) NULL DEFAULT NULL";
 			try {
-            			$sth = $Connection->db->prepare($query);
+						$sth = $Connection->db->prepare($query);
 				$sth->execute();
 			} catch(PDOException $e) {
 				return "error (add over_country) : ".$e->getMessage()."\n";
@@ -661,74 +661,74 @@ 
 		}
 		if (!$Connection->checkColumnName('spotter_output','source_name')) {
 			// Add source_name to spotter_output, spotter_live, spotter_archive, spotter_archive_output
-    			$query = "ALTER TABLE `spotter_output` ADD `source_name` VARCHAR(255) NULL AFTER `format_source`";
+				$query = "ALTER TABLE `spotter_output` ADD `source_name` VARCHAR(255) NULL AFTER `format_source`";
 			try {
 				$sth = $Connection->db->prepare($query);
 				$sth->execute();
 			} catch(PDOException $e) {
 				return "error (add source_name column) : ".$e->getMessage()."\n";
-    			}
-    		}
+				}
+			}
 		if (!$Connection->checkColumnName('spotter_live','source_name')) {
 			// Add source_name to spotter_output, spotter_live, spotter_archive, spotter_archive_output
-    			$query = "ALTER TABLE `spotter_live` ADD `source_name` VARCHAR(255) NULL AFTER `format_source`";
+				$query = "ALTER TABLE `spotter_live` ADD `source_name` VARCHAR(255) NULL AFTER `format_source`";
 			try {
 				$sth = $Connection->db->prepare($query);
 				$sth->execute();
 			} catch(PDOException $e) {
 				return "error (add source_name column) : ".$e->getMessage()."\n";
-    			}
-    		}
+				}
+			}
 		if (!$Connection->checkColumnName('spotter_archive_output','source_name')) {
 			// Add source_name to spotter_output, spotter_live, spotter_archive, spotter_archive_output
-    			$query = "ALTER TABLE `spotter_archive_output` ADD `source_name` VARCHAR(255) NULL AFTER `format_source`";
+				$query = "ALTER TABLE `spotter_archive_output` ADD `source_name` VARCHAR(255) NULL AFTER `format_source`";
 			try {
 				$sth = $Connection->db->prepare($query);
 				$sth->execute();
 			} catch(PDOException $e) {
 				return "error (add source_name column) : ".$e->getMessage()."\n";
-    			}
-    		}
+				}
+			}
 		if (!$Connection->checkColumnName('spotter_archive','source_name')) {
 			// Add source_name to spotter_output, spotter_live, spotter_archive, spotter_archive_output
-    			$query = "ALTER TABLE `spotter_archive` ADD `source_name` VARCHAR(255) NULL AFTER `format_source`;";
+				$query = "ALTER TABLE `spotter_archive` ADD `source_name` VARCHAR(255) NULL AFTER `format_source`;";
 			try {
 				$sth = $Connection->db->prepare($query);
 				$sth->execute();
 			} catch(PDOException $e) {
 				return "error (add source_name column) : ".$e->getMessage()."\n";
-    			}
-    		}
+				}
+			}
 		if ($error != '') return $error;
 		$query = "UPDATE `config` SET `value` = '20' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_20() {
 		global $globalIVAO, $globalVATSIM, $globalphpVMS;
-    		$Connection = new Connection();
+			$Connection = new Connection();
 		$error = '';
-    		// Update airline table
-    		if (!$globalIVAO && !$globalVATSIM && !$globalphpVMS) {
+			// Update airline table
+			if (!$globalIVAO && !$globalVATSIM && !$globalphpVMS) {
 			$error .= create_db::import_file('../db/airlines.sql');
 			if ($error != '') return 'Import airlines.sql : '.$error;
 		}
 		if (!$Connection->checkColumnName('aircraft_modes','type_flight')) {
 			// Add column over_country
-    			$query = "ALTER TABLE `aircraft_modes` ADD `type_flight` VARCHAR(50) NULL DEFAULT NULL;";
-        		try {
+				$query = "ALTER TABLE `aircraft_modes` ADD `type_flight` VARCHAR(50) NULL DEFAULT NULL;";
+				try {
 				$sth = $Connection->db->prepare($query);
 				$sth->execute();
 			} catch(PDOException $e) {
 				return "error (add over_country) : ".$e->getMessage()."\n";
-    			}
-    		}
+				}
+			}
 		if ($error != '') return $error;
 		/*
     		if (!$globalIVAO && !$globalVATSIM && !$globalphpVMS) {
@@ -738,12 +738,12 @@ 
 		}
 		*/
 		$query = "UPDATE `config` SET `value` = '21' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
@@ -762,35 +762,35 @@ 
 			if ($error != '') return $error;
 		}
 		$query = "UPDATE `config` SET `value` = '22' WHERE `name` = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
 	private static function update_from_22() {
 		global $globalDBdriver;
-    		$Connection = new Connection();
+			$Connection = new Connection();
 		$error = '';
 		// Add table stats polar
-    		if (!$Connection->tableExists('stats_source')) {
+			if (!$Connection->tableExists('stats_source')) {
 			if ($globalDBdriver == 'mysql') {
-    				$error .= create_db::import_file('../db/stats_source.sql');
+					$error .= create_db::import_file('../db/stats_source.sql');
 			} else {
 				$error .= create_db::import_file('../db/pgsql/stats_source.sql');
 			}
 			if ($error != '') return $error;
 		}
 		$query = "UPDATE config SET value = '23' WHERE name = 'schema_version'";
-        	try {
-            	    $sth = $Connection->db->prepare($query);
-		    $sth->execute();
-    		} catch(PDOException $e) {
-		    return "error (update schema_version) : ".$e->getMessage()."\n";
-    		}
+			try {
+					$sth = $Connection->db->prepare($query);
+			$sth->execute();
+			} catch(PDOException $e) {
+			return "error (update schema_version) : ".$e->getMessage()."\n";
+			}
 		return $error;
 	}
 
@@ -821,14 +821,14 @@ 
 		}
 		if (!$Connection->checkColumnName('stats_aircraft','aircraft_manufacturer')) {
 			// Add aircraft_manufacturer to stats_aircraft
-    			$query = "ALTER TABLE stats_aircraft ADD aircraft_manufacturer VARCHAR(255) NULL";
+				$query = "ALTER TABLE stats_aircraft ADD aircraft_manufacturer VARCHAR(255) NULL";
 			try {
 				$sth = $Connection->db->prepare($query);
 				$sth->execute();
 			} catch(PDOException $e) {
 				return "error (add aircraft_manufacturer column) : ".$e->getMessage()."\n";
-    			}
-    		}
+				}
+			}
 		
 		$query = "UPDATE config SET value = '24' WHERE name = 'schema_version'";
 		try {
@@ -1176,7 +1176,7 @@ 
 			} catch(PDOException $e) {
 				return "error (add index latitude,longitude on spotter_live) : ".$e->getMessage()."\n";
 			}
-                }
+				}
 		if (!$Connection->checkColumnName('aircraft','mfr')) {
 			// Add mfr to aircraft
 			$query = "ALTER TABLE aircraft ADD mfr VARCHAR(255) NULL";
@@ -1250,7 +1250,7 @@ 
 			} catch(PDOException $e) {
 				return "error (add index ref on notam) : ".$e->getMessage()."\n";
 			}
-                }
+				}
 		if (!$Connection->indexExists('accidents','registration_idx')) {
 			// Add index key
 			$query = "create index registration_idx on accidents (registration)";
@@ -1260,7 +1260,7 @@ 
 			} catch(PDOException $e) {
 				return "error (add index registration on accidents) : ".$e->getMessage()."\n";
 			}
-                }
+				}
 		if (!$Connection->indexExists('accidents','rdts')) {
 			// Add index key
 			$query = "create index rdts on accidents (registration,date,type,source)";
@@ -1270,7 +1270,7 @@ 
 			} catch(PDOException $e) {
 				return "error (add index registration, date, type & source on accidents) : ".$e->getMessage()."\n";
 			}
-                }
+				}
 
 		$query = "UPDATE config SET value = '31' WHERE name = 'schema_version'";
 		try {
@@ -1562,7 +1562,7 @@ 
 			} catch(PDOException $e) {
 				return "error (add index type on accidents) : ".$e->getMessage()."\n";
 			}
-                }
+				}
 		$query = "UPDATE config SET value = '36' WHERE name = 'schema_version'";
 		try {
 			$sth = $Connection->db->prepare($query);
@@ -1700,7 +1700,7 @@ 
 			} catch(PDOException $e) {
 				return "error (add index flightaware_id, date on spotter_archive) : ".$e->getMessage()."\n";
 			}
-                }
+				}
 		$query = "UPDATE config SET value = '38' WHERE name = 'schema_version'";
 		try {
 			$sth = $Connection->db->prepare($query);
@@ -1712,177 +1712,177 @@ 
 	}
 
 
-    	public static function check_version($update = false) {
-    	    global $globalDBname;
-    	    $version = 0;
-    	    $Connection = new Connection();
-    	    if ($Connection->tableExists('aircraft')) {
-    		if (!$Connection->tableExists('config')) {
-    		    $version = '1';
-    		    if ($update) return self::update_from_1();
-    		    else return $version;
+		public static function check_version($update = false) {
+			global $globalDBname;
+			$version = 0;
+			$Connection = new Connection();
+			if ($Connection->tableExists('aircraft')) {
+			if (!$Connection->tableExists('config')) {
+				$version = '1';
+				if ($update) return self::update_from_1();
+				else return $version;
 		} else {
-    		    $Connection = new Connection();
-		    $query = "SELECT value FROM config WHERE name = 'schema_version' LIMIT 1";
-		    try {
-            		$sth = $Connection->db->prepare($query);
-		        $sth->execute();
-		    } catch(PDOException $e) {
+				$Connection = new Connection();
+			$query = "SELECT value FROM config WHERE name = 'schema_version' LIMIT 1";
+			try {
+					$sth = $Connection->db->prepare($query);
+				$sth->execute();
+			} catch(PDOException $e) {
 			return "error : ".$e->getMessage()."\n";
-    		    }
-    		    $result = $sth->fetch(PDO::FETCH_ASSOC);
-    		    if ($update) {
-    			if ($result['value'] == '2') {
-    			    $error = self::update_from_2();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '3') {
-    			    $error = self::update_from_3();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '4') {
-    			    $error = self::update_from_4();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '5') {
-    			    $error = self::update_from_5();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '6') {
-    			    $error = self::update_from_6();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '7') {
-    			    $error = self::update_from_7();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '8') {
-    			    $error = self::update_from_8();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '9') {
-    			    $error = self::update_from_9();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '10') {
-    			    $error = self::update_from_10();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '11') {
-    			    $error = self::update_from_11();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '12') {
-    			    $error = self::update_from_12();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '13') {
-    			    $error = self::update_from_13();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '14') {
-    			    $error = self::update_from_14();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '15') {
-    			    $error = self::update_from_15();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '16') {
-    			    $error = self::update_from_16();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '17') {
-    			    $error = self::update_from_17();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '18') {
-    			    $error = self::update_from_18();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '19') {
-    			    $error = self::update_from_19();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '20') {
-    			    $error = self::update_from_20();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '21') {
-    			    $error = self::update_from_21();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '22') {
-    			    $error = self::update_from_22();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '23') {
-    			    $error = self::update_from_23();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '24') {
-    			    $error = self::update_from_24();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '25') {
-    			    $error = self::update_from_25();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '26') {
-    			    $error = self::update_from_26();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '27') {
-    			    $error = self::update_from_27();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '28') {
-    			    $error = self::update_from_28();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '29') {
-    			    $error = self::update_from_29();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '30') {
-    			    $error = self::update_from_30();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '31') {
-    			    $error = self::update_from_31();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '32') {
-    			    $error = self::update_from_32();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '33') {
-    			    $error = self::update_from_33();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '34') {
-    			    $error = self::update_from_34();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '35') {
-    			    $error = self::update_from_35();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '36') {
-    			    $error = self::update_from_36();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} elseif ($result['value'] == '37') {
-    			    $error = self::update_from_37();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} else return '';
-    		    }
-    		    else return $result['value'];
+				}
+				$result = $sth->fetch(PDO::FETCH_ASSOC);
+				if ($update) {
+				if ($result['value'] == '2') {
+					$error = self::update_from_2();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '3') {
+					$error = self::update_from_3();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '4') {
+					$error = self::update_from_4();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '5') {
+					$error = self::update_from_5();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '6') {
+					$error = self::update_from_6();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '7') {
+					$error = self::update_from_7();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '8') {
+					$error = self::update_from_8();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '9') {
+					$error = self::update_from_9();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '10') {
+					$error = self::update_from_10();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '11') {
+					$error = self::update_from_11();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '12') {
+					$error = self::update_from_12();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '13') {
+					$error = self::update_from_13();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '14') {
+					$error = self::update_from_14();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '15') {
+					$error = self::update_from_15();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '16') {
+					$error = self::update_from_16();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '17') {
+					$error = self::update_from_17();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '18') {
+					$error = self::update_from_18();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '19') {
+					$error = self::update_from_19();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '20') {
+					$error = self::update_from_20();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '21') {
+					$error = self::update_from_21();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '22') {
+					$error = self::update_from_22();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '23') {
+					$error = self::update_from_23();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '24') {
+					$error = self::update_from_24();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '25') {
+					$error = self::update_from_25();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '26') {
+					$error = self::update_from_26();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '27') {
+					$error = self::update_from_27();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '28') {
+					$error = self::update_from_28();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '29') {
+					$error = self::update_from_29();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '30') {
+					$error = self::update_from_30();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '31') {
+					$error = self::update_from_31();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '32') {
+					$error = self::update_from_32();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '33') {
+					$error = self::update_from_33();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '34') {
+					$error = self::update_from_34();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '35') {
+					$error = self::update_from_35();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '36') {
+					$error = self::update_from_36();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} elseif ($result['value'] == '37') {
+					$error = self::update_from_37();
+					if ($error != '') return $error;
+					else return self::check_version(true);
+				} else return '';
+				}
+				else return $result['value'];
 		}
 		
-	    } else return $version;
-    	}
+		} else return $version;
+		}
     	
 }
 //echo update_schema::check_version();