Ysurac / FlightAirMap

install/class.update_schema.php

Braces +358 added lines, -132 removed lines

@@ -258,7 +258,9 @@ 
     		// Update table countries
     		if ($Connection->tableExists('airspace')) {
     		    $error .= update_db::update_countries();
-		    if ($error != '') return $error;
+		    if ($error != '') {
+		    	return $error;
+		    }
 		}
 		// Update schema_version to 7
 		$query = "UPDATE `config` SET `value` = '7' WHERE `name` = 'schema_version'";
@@ -314,7 +316,9 @@ 
     		$error = '';
     		// Update table aircraft
 		$error .= create_db::import_file('../db/source_location.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		// Update schema_version to 6
 		$query = "UPDATE `config` SET `value` = '8' WHERE `name` = 'schema_version'";
         	try {
@@ -331,7 +335,9 @@ 
     		$error = '';
     		// Update table aircraft
 		$error .= create_db::import_file('../db/notam.sql');
-		if ($error != '') return $error;
+		if ($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';
@@ -365,7 +371,9 @@ 
 		$error = '';
     		// Update table atc
 		$error .= create_db::import_file('../db/atc.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		
 		$query = "UPDATE `config` SET `value` = '10' WHERE `name` = 'schema_version'";
         	try {
@@ -389,13 +397,21 @@ 
 		$error = '';
     		// Add tables
 		$error .= create_db::import_file('../db/aircraft_owner.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$error .= create_db::import_file('../db/metar.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$error .= create_db::import_file('../db/taf.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$error .= create_db::import_file('../db/airport.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		
 		$query = "UPDATE `config` SET `value` = '11' WHERE `name` = 'schema_version'";
         	try {
@@ -469,19 +485,33 @@ 
 		$error = '';
     		// Add tables
 		$error .= create_db::import_file('../db/stats.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$error .= create_db::import_file('../db/stats_aircraft.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$error .= create_db::import_file('../db/stats_airline.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$error .= create_db::import_file('../db/stats_airport.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$error .= create_db::import_file('../db/stats_owner.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$error .= create_db::import_file('../db/stats_pilot.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$error .= create_db::import_file('../db/spotter_archive_output.sql');
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		
 		$query = "UPDATE `config` SET `value` = '13' WHERE `name` = 'schema_version'";
         	try {
@@ -521,7 +551,9 @@ 
     		// Add tables
     		if (!$Connection->tableExists('stats_flight')) {
 			$error .= create_db::import_file('../db/stats_flight.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 		}
 		$query = "UPDATE `config` SET `value` = '15' WHERE `name` = 'schema_version'";
         	try {
@@ -545,7 +577,9 @@ 
     		} catch(PDOException $e) {
 		    return "error (update stats) : ".$e->getMessage()."\n";
     		}
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$query = "UPDATE `config` SET `value` = '16' WHERE `name` = 'schema_version'";
         	try {
             	    $sth = $Connection->db->prepare($query);
@@ -566,7 +600,9 @@ 
     		if (!$Connection->tableExists('stats_callsign')) {
 			$error .= create_db::import_file('../db/stats_callsign.sql');
 		}
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$query = "UPDATE `config` SET `value` = '17' WHERE `name` = 'schema_version'";
         	try {
             	    $sth = $Connection->db->prepare($query);
@@ -584,7 +620,9 @@ 
     		if (!$Connection->tableExists('stats_country')) {
 			$error .= create_db::import_file('../db/stats_country.sql');
 		}
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$query = "UPDATE `config` SET `value` = '18' WHERE `name` = 'schema_version'";
         	try {
             	    $sth = $Connection->db->prepare($query);
@@ -607,7 +645,9 @@ 
 			    return "error (update stats) : ".$e->getMessage()."\n";
     			}
     		}
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$query = "UPDATE `config` SET `value` = '19' WHERE `name` = 'schema_version'";
         	try {
             	    $sth = $Connection->db->prepare($query);
@@ -623,7 +663,9 @@ 
 		$error = '';
     		// Update airport table
 		$error .= create_db::import_file('../db/airport.sql');
-		if ($error != '') return 'Import airport.sql : '.$error;
+		if ($error != '') {
+			return 'Import airport.sql : '.$error;
+		}
 		// Remove primary key on Spotter_Archive
 		$query = "alter table spotter_archive drop spotter_archive_id";
         	try {
@@ -699,7 +741,9 @@ 
 				return "error (add source_name column) : ".$e->getMessage()."\n";
     			}
     		}
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		$query = "UPDATE `config` SET `value` = '20' WHERE `name` = 'schema_version'";
         	try {
             	    $sth = $Connection->db->prepare($query);
@@ -717,7 +761,9 @@ 
     		// Update airline table
     		if (!$globalIVAO && !$globalVATSIM && !$globalphpVMS) {
 			$error .= create_db::import_file('../db/airlines.sql');
-			if ($error != '') return 'Import airlines.sql : '.$error;
+			if ($error != '') {
+				return 'Import airlines.sql : '.$error;
+			}
 		}
 		if (!$Connection->checkColumnName('aircraft_modes','type_flight')) {
 			// Add column over_country
@@ -729,7 +775,9 @@ 
 				return "error (add over_country) : ".$e->getMessage()."\n";
     			}
     		}
-		if ($error != '') return $error;
+		if ($error != '') {
+			return $error;
+		}
 		/*
     		if (!$globalIVAO && !$globalVATSIM && !$globalphpVMS) {
 			// Force update ModeS (this will put type_flight data
@@ -759,7 +807,9 @@ 
 			} catch(PDOException $e) {
 				return "error (rename type to stats_type on stats*) : ".$e->getMessage()."\n";
 			}
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 		}
 		$query = "UPDATE `config` SET `value` = '22' WHERE `name` = 'schema_version'";
         	try {
@@ -782,7 +832,9 @@ 
 			} else {
 				$error .= create_db::import_file('../db/pgsql/stats_source.sql');
 			}
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 		}
 		$query = "UPDATE config SET value = '23' WHERE name = 'schema_version'";
         	try {
@@ -804,12 +856,16 @@ 
 		if ($globalDBdriver == 'mysql') {
 			if (!$Connection->tableExists('tle')) {
 				$error .= create_db::import_file('../db/tle.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 		} else {
 			if (!$Connection->tableExists('tle')) {
 				$error .= create_db::import_file('../db/pgsql/tle.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			$query = "create index flightaware_id_idx ON spotter_archive USING btree(flightaware_id)";
 			try {
@@ -849,7 +905,9 @@ 
 		} else {
 			$error .= create_db::import_file('../db/pgsql/airlines.sql');
 		}
-		if ($error != '') return 'Import airlines.sql : '.$error;
+		if ($error != '') {
+			return 'Import airlines.sql : '.$error;
+		}
 		if (!$Connection->checkColumnName('airlines','forsource')) {
 			// Add forsource to airlines
 			$query = "ALTER TABLE airlines ADD forsource VARCHAR(255) NULL DEFAULT NULL";
@@ -1332,20 +1390,28 @@ 
 		}
 		if ($globalDBdriver == 'mysql') {
 			$error .= create_db::import_file('../db/airlines.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 		} else {
 			$error .= create_db::import_file('../db/pgsql/airlines.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 		}
 		if ((isset($globalVATSIM) && $globalVATSIM) || (isset($globalIVAO) && $globalIVAO)) {
 			include_once(dirname(__FILE__).'/class.update_db.php');
 			if (isset($globalVATSIM) && $globalVATSIM) {
 				$error .= update_db::update_vatsim();
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (isset($globalIVAO) && $globalIVAO && file_exists('tmp/ivae_feb2013.zip')) {
 				$error .= update_db::update_IVAO();
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 		}
 
@@ -1608,41 +1674,65 @@ 
 		if ($globalDBdriver == 'mysql') {
 			if (!$Connection->tableExists('tracker_output')) {
 				$error .= create_db::import_file('../db/tracker_output.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (!$Connection->tableExists('tracker_live')) {
 				$error .= create_db::import_file('../db/tracker_live.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (!$Connection->tableExists('marine_output')) {
 				$error .= create_db::import_file('../db/marine_output.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (!$Connection->tableExists('marine_live')) {
 				$error .= create_db::import_file('../db/marine_live.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (!$Connection->tableExists('marine_identity')) {
 				$error .= create_db::import_file('../db/marine_identity.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (!$Connection->tableExists('marine_mid')) {
 				$error .= create_db::import_file('../db/marine_mid.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 		} else {
 			$error .= create_db::import_file('../db/pgsql/tracker_output.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 			$error .= create_db::import_file('../db/pgsql/tracker_live.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 			$error .= create_db::import_file('../db/pgsql/marine_output.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 			$error .= create_db::import_file('../db/pgsql/marine_live.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 			$error .= create_db::import_file('../db/pgsql/marine_identity.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 			$error .= create_db::import_file('../db/pgsql/marine_mid.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 		}
 		$query = "UPDATE config SET value = '37' WHERE name = 'schema_version'";
 		try {
@@ -1661,35 +1751,55 @@ 
 		if ($globalDBdriver == 'mysql') {
 			if (!$Connection->tableExists('marine_image')) {
 				$error .= create_db::import_file('../db/marine_image.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (!$Connection->tableExists('marine_archive')) {
 				$error .= create_db::import_file('../db/marine_archive.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (!$Connection->tableExists('marine_archive_output')) {
 				$error .= create_db::import_file('../db/marine_archive_output.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (!$Connection->tableExists('tracker_archive')) {
 				$error .= create_db::import_file('../db/tracker_archive.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 			if (!$Connection->tableExists('marine_archive_output')) {
 				$error .= create_db::import_file('../db/tracker_archive_output.sql');
-				if ($error != '') return $error;
+				if ($error != '') {
+					return $error;
+				}
 			}
 		} else {
 			$error .= create_db::import_file('../db/pgsql/marine_image.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 			$error .= create_db::import_file('../db/pgsql/marine_archive.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 			$error .= create_db::import_file('../db/pgsql/marine_archive_output.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 			$error .= create_db::import_file('../db/pgsql/tracker_archive.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 			$error .= create_db::import_file('../db/pgsql/tracker_archive_output.sql');
-			if ($error != '') return $error;
+			if ($error != '') {
+				return $error;
+			}
 		}
 		if (!$Connection->indexExists('spotter_archive','flightaware_id_date_idx') && !$Connection->indexExists('spotter_archive','flightaware_id')) {
 			// Add index key
@@ -1719,8 +1829,11 @@ 
     	    if ($Connection->tableExists('aircraft')) {
     		if (!$Connection->tableExists('config')) {
     		    $version = '1';
-    		    if ($update) return self::update_from_1();
-    		    else return $version;
+    		    if ($update) {
+    		    	return self::update_from_1();
+    		    } else {
+    		    	return $version;
+    		    }
 		} else {
     		    $Connection = new Connection();
 		    $query = "SELECT value FROM config WHERE name = 'schema_version' LIMIT 1";
@@ -1734,154 +1847,267 @@ 
     		    if ($update) {
     			if ($result['value'] == '2') {
     			    $error = self::update_from_2();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '3') {
     			    $error = self::update_from_3();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '4') {
     			    $error = self::update_from_4();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '5') {
     			    $error = self::update_from_5();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '6') {
     			    $error = self::update_from_6();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '7') {
     			    $error = self::update_from_7();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '8') {
     			    $error = self::update_from_8();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '9') {
     			    $error = self::update_from_9();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '10') {
     			    $error = self::update_from_10();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '11') {
     			    $error = self::update_from_11();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '12') {
     			    $error = self::update_from_12();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '13') {
     			    $error = self::update_from_13();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '14') {
     			    $error = self::update_from_14();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '15') {
     			    $error = self::update_from_15();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '16') {
     			    $error = self::update_from_16();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '17') {
     			    $error = self::update_from_17();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '18') {
     			    $error = self::update_from_18();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '19') {
     			    $error = self::update_from_19();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '20') {
     			    $error = self::update_from_20();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '21') {
     			    $error = self::update_from_21();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '22') {
     			    $error = self::update_from_22();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '23') {
     			    $error = self::update_from_23();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '24') {
     			    $error = self::update_from_24();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '25') {
     			    $error = self::update_from_25();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '26') {
     			    $error = self::update_from_26();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '27') {
     			    $error = self::update_from_27();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '28') {
     			    $error = self::update_from_28();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '29') {
     			    $error = self::update_from_29();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '30') {
     			    $error = self::update_from_30();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '31') {
     			    $error = self::update_from_31();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '32') {
     			    $error = self::update_from_32();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '33') {
     			    $error = self::update_from_33();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '34') {
     			    $error = self::update_from_34();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '35') {
     			    $error = self::update_from_35();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '36') {
     			    $error = self::update_from_36();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
     			} elseif ($result['value'] == '37') {
     			    $error = self::update_from_37();
-    			    if ($error != '') return $error;
-    			    else return self::check_version(true);
-    			} else return '';
+    			    if ($error != '') {
+    			    	return $error;
+    			    } else {
+    			    	return self::check_version(true);
+    			    }
+    			} else {
+    				return '';
+    			}
+    		    } else {
+    		    	return $result['value'];
     		    }
-    		    else return $result['value'];
 		}
 		
-	    } else return $version;
+	    } else {
+	    	return $version;
+	    }
     	}
     	
 }