diff --git a/lib/Doctrine/DBAL/Cache/ResultCacheStatement.php b/lib/Doctrine/DBAL/Cache/ResultCacheStatement.php
index 8c884aec4ad..d725f22c617 100644
--- a/lib/Doctrine/DBAL/Cache/ResultCacheStatement.php
+++ b/lib/Doctrine/DBAL/Cache/ResultCacheStatement.php
@@ -109,7 +109,7 @@ public function closeCursor()
         $this->statement->closeCursor();
         if ($this->emptied && $this->data !== null) {
             $data = $this->resultCache->fetch($this->cacheKey);
-            if (!$data) {
+            if ( ! $data) {
                 $data = array();
             }
             $data[$this->realKey] = $this->data;
diff --git a/lib/Doctrine/DBAL/Connection.php b/lib/Doctrine/DBAL/Connection.php
index 54462b45b41..b778d47f9e4 100644
--- a/lib/Doctrine/DBAL/Connection.php
+++ b/lib/Doctrine/DBAL/Connection.php
@@ -652,7 +652,7 @@ public function executeQuery($query, array $params = array(), $types = array(),
     public function executeCacheQuery($query, $params, $types, QueryCacheProfile $qcp)
     {
         $resultCache = $qcp->getResultCacheDriver() ?: $this->_config->getResultCacheImpl();
-        if (!$resultCache) {
+        if ( ! $resultCache) {
             throw CacheException::noResultDriverConfigured();
         }
 
@@ -872,7 +872,7 @@ public function setNestTransactionsWithSavepoints($nestTransactionsWithSavepoint
             throw ConnectionException::mayNotAlterNestedTransactionWithSavepointsInTransaction();
         }
 
-        if (!$this->_platform->supportsSavepoints()) {
+        if ( ! $this->_platform->supportsSavepoints()) {
             throw ConnectionException::savepointsNotSupported();
         }
 
@@ -1025,7 +1025,7 @@ public function rollback()
      */
     public function createSavepoint($savepoint)
     {
-        if (!$this->_platform->supportsSavepoints()) {
+        if ( ! $this->_platform->supportsSavepoints()) {
             throw ConnectionException::savepointsNotSupported();
         }
 
@@ -1041,7 +1041,7 @@ public function createSavepoint($savepoint)
      */
     public function releaseSavepoint($savepoint)
     {
-        if (!$this->_platform->supportsSavepoints()) {
+        if ( ! $this->_platform->supportsSavepoints()) {
             throw ConnectionException::savepointsNotSupported();
         }
 
@@ -1059,7 +1059,7 @@ public function releaseSavepoint($savepoint)
      */
     public function rollbackSavepoint($savepoint)
     {
-        if (!$this->_platform->supportsSavepoints()) {
+        if ( ! $this->_platform->supportsSavepoints()) {
             throw ConnectionException::savepointsNotSupported();
         }
 
diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php
index c9d2fef53a4..8b57adf4059 100644
--- a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php
@@ -34,7 +34,7 @@ public function __construct(array $params, $username, $password, $driverOptions
         } else {
             $this->_conn = db2_connect($params['dbname'], $username, $password, $driverOptions);
         }
-        if (!$this->_conn) {
+        if ( ! $this->_conn) {
             throw new DB2Exception(db2_conn_errormsg());
         }
     }
@@ -42,7 +42,7 @@ public function __construct(array $params, $username, $password, $driverOptions
     public function prepare($sql)
     {
         $stmt = @db2_prepare($this->_conn, $sql);
-        if (!$stmt) {
+        if ( ! $stmt) {
             throw new DB2Exception(db2_stmt_errormsg());
         }
         return new DB2Statement($stmt);
@@ -112,4 +112,4 @@ public function errorInfo()
             1 => $this->errorCode(),
         );
     }
-}
\ No newline at end of file
+}
diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
index a4819462dc7..55164b77cab 100644
--- a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
@@ -77,7 +77,7 @@ public function bindParam($column, &$variable, $type = null)
      */
     public function closeCursor()
     {
-        if (!$this->_stmt) {
+        if ( ! $this->_stmt) {
             return false;
         }
 
@@ -93,7 +93,7 @@ public function closeCursor()
      */
     public function columnCount()
     {
-        if (!$this->_stmt) {
+        if ( ! $this->_stmt) {
             return false;
         }
         return db2_num_fields($this->_stmt);
@@ -123,7 +123,7 @@ public function errorInfo()
      */
     public function execute($params = null)
     {
-        if (!$this->_stmt) {
+        if ( ! $this->_stmt) {
             return false;
         }
 
diff --git a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php
index b69535b1dd2..6d7bd14d9e8 100644
--- a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php
+++ b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php
@@ -37,7 +37,7 @@ public function __construct(array $params, $username, $password, array $driverOp
         $socket = isset($params['unix_socket']) ? $params['unix_socket'] : ini_get('mysqli.default_socket');
 
         $this->_conn = mysqli_init();
-        if (!$this->_conn->real_connect($params['host'], $username, $password, $params['dbname'], $port, $socket)) {
+        if ( ! $this->_conn->real_connect($params['host'], $username, $password, $params['dbname'], $port, $socket)) {
             throw new MysqliException($this->_conn->connect_error, $this->_conn->connect_errno);
         }
 
diff --git a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php
index 2af34668d3c..c562099f55a 100644
--- a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php
+++ b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php
@@ -131,7 +131,7 @@ public function execute($params = null)
     {
         if (null !== $this->_bindedValues) {
             if (null !== $params) {
-                if (!$this->_bindValues($params)) {
+                if ( ! $this->_bindValues($params)) {
                     throw new MysqliException($this->_stmt->error, $this->_stmt->errno);
                 }
             } else {
@@ -141,7 +141,7 @@ public function execute($params = null)
             }
         }
 
-        if (!$this->_stmt->execute()) {
+        if ( ! $this->_stmt->execute()) {
             throw new MysqliException($this->_stmt->error, $this->_stmt->errno);
         }
 
diff --git a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php
index 18653965e4f..5e17a9ae170 100644
--- a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php
+++ b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php
@@ -44,7 +44,7 @@ public function __construct($username, $password, $db, $charset = null, $session
         }
 
         $this->_dbh = @oci_connect($username, $password, $db, $charset, $sessionMode);
-        if (!$this->_dbh) {
+        if ( ! $this->_dbh) {
             throw OCI8Exception::fromErrorInfo(oci_error());
         }
     }
diff --git a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php
index 460049af63b..11e0a5830b2 100644
--- a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php
+++ b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php
@@ -41,7 +41,7 @@ class SQLSrvConnection implements \Doctrine\DBAL\Driver\Connection
     public function __construct($serverName, $connectionOptions)
     {
         $this->conn = sqlsrv_connect($serverName, $connectionOptions);
-        if (!$this->conn) {
+        if ( ! $this->conn) {
             throw SQLSrvException::fromSqlSrvErrors();
         }
         $this->lastInsertId = new LastInsertId();
diff --git a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvException.php b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvException.php
index b1fb426b53f..14369e9b4d5 100644
--- a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvException.php
+++ b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvException.php
@@ -33,7 +33,7 @@ static public function fromSqlSrvErrors()
         foreach ($errors as $error) {
             $message .= "SQLSTATE [".$error['SQLSTATE'].", ".$error['code']."]: ". $error['message']."\n";
         }
-        if (!$message) {
+        if ( ! $message) {
             $message = "SQL Server error occured but no error message was retrieved from driver.";
         }
 
diff --git a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php
index 649f703460c..6c174893c55 100644
--- a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php
+++ b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php
@@ -164,7 +164,7 @@ public function execute($params = null)
         }
 
         $this->stmt = sqlsrv_query($this->conn, $this->sql, $this->params);
-        if (!$this->stmt) {
+        if ( ! $this->stmt) {
             throw SQLSrvException::fromSqlSrvErrors();
         }
 
diff --git a/lib/Doctrine/DBAL/Event/SchemaDropTableEventArgs.php b/lib/Doctrine/DBAL/Event/SchemaDropTableEventArgs.php
index ebd21635a57..2737fb53f2f 100644
--- a/lib/Doctrine/DBAL/Event/SchemaDropTableEventArgs.php
+++ b/lib/Doctrine/DBAL/Event/SchemaDropTableEventArgs.php
@@ -53,7 +53,7 @@ class SchemaDropTableEventArgs extends SchemaEventArgs
      */
     public function __construct($table, AbstractPlatform $platform)
     {
-        if (!$table instanceof Table && !is_string($table)) {
+        if ( ! $table instanceof Table && !is_string($table)) {
             throw new \InvalidArgumentException('SchemaCreateTableEventArgs expects $table parameter to be string or \Doctrine\DBAL\Schema\Table.');
         }
 
diff --git a/lib/Doctrine/DBAL/Platforms/AbstractPlatform.php b/lib/Doctrine/DBAL/Platforms/AbstractPlatform.php
index 5ed7be9d18c..b0addc219a8 100644
--- a/lib/Doctrine/DBAL/Platforms/AbstractPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/AbstractPlatform.php
@@ -1387,7 +1387,7 @@ protected function onSchemaAlterTableAddColumn(Column $column, TableDiff $diff,
             return false;
         }
 
-        if (!$this->_eventManager->hasListeners(Events::onSchemaAlterTableAddColumn)) {
+        if ( ! $this->_eventManager->hasListeners(Events::onSchemaAlterTableAddColumn)) {
             return false;
         }
 
@@ -1410,7 +1410,7 @@ protected function onSchemaAlterTableRemoveColumn(Column $column, TableDiff $dif
             return false;
         }
 
-        if (!$this->_eventManager->hasListeners(Events::onSchemaAlterTableRemoveColumn)) {
+        if ( ! $this->_eventManager->hasListeners(Events::onSchemaAlterTableRemoveColumn)) {
             return false;
         }
 
@@ -1433,7 +1433,7 @@ protected function onSchemaAlterTableChangeColumn(ColumnDiff $columnDiff, TableD
             return false;
         }
 
-        if (!$this->_eventManager->hasListeners(Events::onSchemaAlterTableChangeColumn)) {
+        if ( ! $this->_eventManager->hasListeners(Events::onSchemaAlterTableChangeColumn)) {
             return false;
         }
 
@@ -1457,7 +1457,7 @@ protected function onSchemaAlterTableRenameColumn($oldColumnName, Column $column
             return false;
         }
 
-        if (!$this->_eventManager->hasListeners(Events::onSchemaAlterTableRenameColumn)) {
+        if ( ! $this->_eventManager->hasListeners(Events::onSchemaAlterTableRenameColumn)) {
             return false;
         }
 
@@ -1478,7 +1478,7 @@ protected function onSchemaAlterTable(TableDiff $diff, &$sql)
             return false;
         }
 
-        if (!$this->_eventManager->hasListeners(Events::onSchemaAlterTable)) {
+        if ( ! $this->_eventManager->hasListeners(Events::onSchemaAlterTable)) {
             return false;
         }
 
@@ -2672,7 +2672,7 @@ final public function getReservedKeywordsList()
     {
         $class = $this->getReservedKeywordsClass();
         $keywords = new $class;
-        if (!$keywords instanceof \Doctrine\DBAL\Platforms\Keywords\KeywordList) {
+        if ( ! $keywords instanceof \Doctrine\DBAL\Platforms\Keywords\KeywordList) {
             throw DBALException::notSupported(__METHOD__);
         }
         return $keywords;
diff --git a/lib/Doctrine/DBAL/Platforms/DB2Platform.php b/lib/Doctrine/DBAL/Platforms/DB2Platform.php
index 77de06ec657..a6717817db5 100644
--- a/lib/Doctrine/DBAL/Platforms/DB2Platform.php
+++ b/lib/Doctrine/DBAL/Platforms/DB2Platform.php
@@ -413,7 +413,7 @@ public function getAlterTableSQL(TableDiff $diff)
 
         $tableSql = array();
 
-        if (!$this->onSchemaAlterTable($diff, $tableSql)) {
+        if ( ! $this->onSchemaAlterTable($diff, $tableSql)) {
             if (count($queryParts) > 0) {
                 $sql[] = 'ALTER TABLE ' . $diff->name . ' ' . implode(" ", $queryParts);
             }
diff --git a/lib/Doctrine/DBAL/Platforms/DrizzlePlatform.php b/lib/Doctrine/DBAL/Platforms/DrizzlePlatform.php
index d89c84cf409..5ff8aafd133 100644
--- a/lib/Doctrine/DBAL/Platforms/DrizzlePlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/DrizzlePlatform.php
@@ -347,7 +347,7 @@ public function getAlterTableSQL(TableDiff $diff)
         $sql = array();
         $tableSql = array();
 
-        if (!$this->onSchemaAlterTable($diff, $tableSql)) {
+        if ( ! $this->onSchemaAlterTable($diff, $tableSql)) {
             if (count($queryParts) > 0) {
                 $sql[] = 'ALTER TABLE ' . $diff->name . ' ' . implode(", ", $queryParts);
             }
diff --git a/lib/Doctrine/DBAL/Platforms/Keywords/ReservedKeywordsValidator.php b/lib/Doctrine/DBAL/Platforms/Keywords/ReservedKeywordsValidator.php
index 980d33d6314..a49d94dcf9e 100644
--- a/lib/Doctrine/DBAL/Platforms/Keywords/ReservedKeywordsValidator.php
+++ b/lib/Doctrine/DBAL/Platforms/Keywords/ReservedKeywordsValidator.php
@@ -71,7 +71,7 @@ private function isReservedWord($word)
 
     private function addViolation($asset, $violatedPlatforms)
     {
-        if (!$violatedPlatforms) {
+        if ( ! $violatedPlatforms) {
             return;
         }
 
diff --git a/lib/Doctrine/DBAL/Platforms/MySqlPlatform.php b/lib/Doctrine/DBAL/Platforms/MySqlPlatform.php
index 6bac3b98389..17ca69f5b3c 100644
--- a/lib/Doctrine/DBAL/Platforms/MySqlPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/MySqlPlatform.php
@@ -505,7 +505,7 @@ public function getAlterTableSQL(TableDiff $diff)
         $sql = array();
         $tableSql = array();
 
-        if (!$this->onSchemaAlterTable($diff, $tableSql)) {
+        if ( ! $this->onSchemaAlterTable($diff, $tableSql)) {
             if (count($queryParts) > 0) {
                 $sql[] = 'ALTER TABLE ' . $diff->name . ' ' . implode(", ", $queryParts);
             }
diff --git a/lib/Doctrine/DBAL/Platforms/OraclePlatform.php b/lib/Doctrine/DBAL/Platforms/OraclePlatform.php
index bbd47741f8d..1dc7c2e8ad5 100644
--- a/lib/Doctrine/DBAL/Platforms/OraclePlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/OraclePlatform.php
@@ -624,7 +624,7 @@ public function getAlterTableSQL(TableDiff $diff)
 
         $tableSql = array();
 
-        if (!$this->onSchemaAlterTable($diff, $tableSql)) {
+        if ( ! $this->onSchemaAlterTable($diff, $tableSql)) {
             if ($diff->newName !== false) {
                 $sql[] = 'ALTER TABLE ' . $diff->name . ' RENAME TO ' . $diff->newName;
             }
diff --git a/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php b/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
index a8bf0b73cf4..b804cd328fb 100644
--- a/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php
@@ -457,7 +457,7 @@ public function getAlterTableSQL(TableDiff $diff)
 
         $tableSql = array();
 
-        if (!$this->onSchemaAlterTable($diff, $tableSql)) {
+        if ( ! $this->onSchemaAlterTable($diff, $tableSql)) {
             if ($diff->newName !== false) {
                 $sql[] = 'ALTER TABLE ' . $diff->name . ' RENAME TO ' . $diff->newName;
             }
diff --git a/lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php b/lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php
index a64cac7a567..7db8d422145 100644
--- a/lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php
@@ -509,7 +509,7 @@ public function getTrimExpression($str, $pos = self::TRIM_UNSPECIFIED, $char = f
     {
         $trimFn = '';
 
-        if (!$char) {
+        if ( ! $char) {
             if ($pos == self::TRIM_LEADING) {
                 $trimFn = 'LTRIM';
             } else if ($pos == self::TRIM_TRAILING) {
@@ -692,7 +692,7 @@ protected function doModifyLimitQuery($query, $limit, $offset = null)
             } else {
                 $orderby = stristr($query, 'ORDER BY');
 
-                if (!$orderby) {
+                if ( ! $orderby) {
                     $over = 'ORDER BY (SELECT 0)';
                 } else {
                     $over = preg_replace('/\"[^,]*\".\"([^,]*)\"/i', '"inner_tbl"."$1"', $orderby);
diff --git a/lib/Doctrine/DBAL/Portability/Statement.php b/lib/Doctrine/DBAL/Portability/Statement.php
index cca40ae6de9..96fa9f0c4ed 100644
--- a/lib/Doctrine/DBAL/Portability/Statement.php
+++ b/lib/Doctrine/DBAL/Portability/Statement.php
@@ -134,7 +134,7 @@ public function fetchAll($fetchStyle = PDO::FETCH_BOTH, $columnIndex = 0)
 
         $iterateRow = $this->portability & (Connection::PORTABILITY_EMPTY_TO_NULL|Connection::PORTABILITY_RTRIM);
         $fixCase = !is_null($this->case) && ($fetchStyle == PDO::FETCH_ASSOC || $fetchStyle == PDO::FETCH_BOTH) && ($this->portability & Connection::PORTABILITY_FIX_CASE);
-        if (!$iterateRow && !$fixCase) {
+        if ( ! $iterateRow && !$fixCase) {
             return $rows;
         }
 
@@ -147,7 +147,7 @@ public function fetchAll($fetchStyle = PDO::FETCH_BOTH, $columnIndex = 0)
 
     protected function fixRow($row, $iterateRow, $fixCase)
     {
-        if (!$row) {
+        if ( ! $row) {
             return $row;
         }
 
diff --git a/lib/Doctrine/DBAL/Schema/AbstractAsset.php b/lib/Doctrine/DBAL/Schema/AbstractAsset.php
index 08495142034..8c5ee1aadb2 100644
--- a/lib/Doctrine/DBAL/Schema/AbstractAsset.php
+++ b/lib/Doctrine/DBAL/Schema/AbstractAsset.php
@@ -123,7 +123,7 @@ public function getShortestName($defaultNamespaceName)
     public function getFullQualifiedName($defaultNamespaceName)
     {
         $name = $this->getName();
-        if (!$this->_namespace) {
+        if ( ! $this->_namespace) {
             $name = $defaultNamespaceName . "." . $name;
         }
         return strtolower($name);
diff --git a/lib/Doctrine/DBAL/Schema/AbstractSchemaManager.php b/lib/Doctrine/DBAL/Schema/AbstractSchemaManager.php
index 9c4a3d7b0c8..494440ed9cf 100644
--- a/lib/Doctrine/DBAL/Schema/AbstractSchemaManager.php
+++ b/lib/Doctrine/DBAL/Schema/AbstractSchemaManager.php
@@ -148,7 +148,7 @@ public function listSequences($database = null)
      */
     public function listTableColumns($table, $database = null)
     {
-        if (!$database) {
+        if ( ! $database) {
             $database = $this->_conn->getDatabase();
         }
 
@@ -212,7 +212,7 @@ public function listTableNames()
     protected function filterAssetNames($assetNames)
     {
         $filterExpr = $this->getFilterSchemaAssetsExpression();
-        if (!$filterExpr) {
+        if ( ! $filterExpr) {
             return $assetNames;
         }
         return array_values (
@@ -668,7 +668,7 @@ protected function _getPortableTableColumnList($table, $database, $tableColumns)
                 $column = $eventArgs->getColumn();
             }
 
-            if (!$defaultPrevented) {
+            if ( ! $defaultPrevented) {
                 $column = $this->_getPortableTableColumnDefinition($tableColumn);
             }
 
@@ -733,7 +733,7 @@ protected function _getPortableTableIndexesList($tableIndexRows, $tableName=null
                 $index = $eventArgs->getIndex();
             }
 
-            if (!$defaultPrevented) {
+            if ( ! $defaultPrevented) {
                 $index = new Index($data['name'], $data['columns'], $data['unique'], $data['primary'], $data['flags']);
             }
 
diff --git a/lib/Doctrine/DBAL/Schema/Comparator.php b/lib/Doctrine/DBAL/Schema/Comparator.php
index 65ff89b2305..554a043f560 100644
--- a/lib/Doctrine/DBAL/Schema/Comparator.php
+++ b/lib/Doctrine/DBAL/Schema/Comparator.php
@@ -100,7 +100,7 @@ public function compare(Schema $fromSchema, Schema $toSchema)
 
         foreach ($toSchema->getSequences() as $sequence) {
             $sequenceName = $sequence->getShortestName($toSchema->getName());
-            if (!$fromSchema->hasSequence($sequenceName)) {
+            if ( ! $fromSchema->hasSequence($sequenceName)) {
                 $diff->newSequences[] = $sequence;
             } else {
                 if ($this->diffSequence($sequence, $fromSchema->getSequence($sequenceName))) {
@@ -111,7 +111,7 @@ public function compare(Schema $fromSchema, Schema $toSchema)
 
         foreach ($fromSchema->getSequences() as $sequence) {
             $sequenceName = $sequence->getShortestName($fromSchema->getName());
-            if (!$toSchema->hasSequence($sequenceName)) {
+            if ( ! $toSchema->hasSequence($sequenceName)) {
                 $diff->removedSequences[] = $sequence;
             }
         }
diff --git a/lib/Doctrine/DBAL/Schema/DB2SchemaManager.php b/lib/Doctrine/DBAL/Schema/DB2SchemaManager.php
index 1bd958fcae9..ae845f84d72 100644
--- a/lib/Doctrine/DBAL/Schema/DB2SchemaManager.php
+++ b/lib/Doctrine/DBAL/Schema/DB2SchemaManager.php
@@ -156,7 +156,7 @@ protected function _getPortableTableIndexesList($tableIndexes, $tableName=null)
                 $index = $eventArgs->getIndex();
             }
 
-            if (!$defaultPrevented) {
+            if ( ! $defaultPrevented) {
                 $index = new Index($data['name'], $data['columns'], $data['unique'], $data['primary']);
             }
 
diff --git a/lib/Doctrine/DBAL/Schema/Index.php b/lib/Doctrine/DBAL/Schema/Index.php
index 51741c69277..445132b2a6c 100644
--- a/lib/Doctrine/DBAL/Schema/Index.php
+++ b/lib/Doctrine/DBAL/Schema/Index.php
@@ -160,7 +160,7 @@ public function isFullfilledBy(Index $other)
         $sameColumns = $this->spansColumns($other->getColumns());
 
         if ($sameColumns) {
-            if (!$this->isUnique() && !$this->isPrimary()) {
+            if ( ! $this->isUnique() && !$this->isPrimary()) {
                 // this is a special case: If the current key is neither primary or unique, any uniqe or
                 // primary key will always have the same effect for the index and there cannot be any constraint
                 // overlaps. This means a primary or unique index can always fullfill the requirements of just an
diff --git a/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php b/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php
index 055369d1235..a12097258d1 100644
--- a/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php
+++ b/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php
@@ -144,7 +144,7 @@ protected function _getPortableTableIndexesList($tableIndexRows, $tableName=null
                 $index = $eventArgs->getIndex();
             }
 
-            if (!$defaultPrevented) {
+            if ( ! $defaultPrevented) {
                 $index = new Index($data['name'], $data['columns'], $data['unique'], $data['primary']);
             }
 
diff --git a/lib/Doctrine/DBAL/Schema/Table.php b/lib/Doctrine/DBAL/Schema/Table.php
index 73e9b84a8e3..774eb5158d0 100644
--- a/lib/Doctrine/DBAL/Schema/Table.php
+++ b/lib/Doctrine/DBAL/Schema/Table.php
@@ -180,7 +180,7 @@ public function dropPrimaryKey()
     public function dropIndex($indexName)
     {
         $indexName = strtolower($indexName);
-        if (!$this->hasIndex($indexName)) {
+        if ( ! $this->hasIndex($indexName)) {
             throw SchemaException::indexDoesNotExist($indexName, $this->_name);
         }
         unset($this->_indexes[$indexName]);
@@ -549,7 +549,7 @@ public function hasColumn($columnName)
     public function getColumn($columnName)
     {
         $columnName = strtolower($this->trimQuotes($columnName));
-        if (!$this->hasColumn($columnName)) {
+        if ( ! $this->hasColumn($columnName)) {
             throw SchemaException::columnDoesNotExist($columnName, $this->_name);
         }
 
@@ -561,7 +561,7 @@ public function getColumn($columnName)
      */
     public function getPrimaryKey()
     {
-        if (!$this->hasPrimaryKey()) {
+        if ( ! $this->hasPrimaryKey()) {
             return null;
         }
         return $this->getIndex($this->_primaryKeyName);
@@ -594,7 +594,7 @@ public function hasIndex($indexName)
     public function getIndex($indexName)
     {
         $indexName = strtolower($indexName);
-        if (!$this->hasIndex($indexName)) {
+        if ( ! $this->hasIndex($indexName)) {
             throw SchemaException::indexDoesNotExist($indexName, $this->_name);
         }
         return $this->_indexes[$indexName];
diff --git a/lib/Doctrine/DBAL/Tools/Console/Command/ReservedWordsCommand.php b/lib/Doctrine/DBAL/Tools/Console/Command/ReservedWordsCommand.php
index 8a01c4b6127..91ffab48c98 100644
--- a/lib/Doctrine/DBAL/Tools/Console/Command/ReservedWordsCommand.php
+++ b/lib/Doctrine/DBAL/Tools/Console/Command/ReservedWordsCommand.php
@@ -97,7 +97,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $conn = $this->getHelper('db')->getConnection();
 
         $keywordLists = (array)$input->getOption('list');
-        if (!$keywordLists) {
+        if ( ! $keywordLists) {
             $keywordLists = array('mysql', 'pgsql', 'sqlite', 'oracle', 'mssql');
         }
 
diff --git a/lib/Doctrine/DBAL/Types/DateTimeType.php b/lib/Doctrine/DBAL/Types/DateTimeType.php
index 7500df6e92b..9103b830d47 100644
--- a/lib/Doctrine/DBAL/Types/DateTimeType.php
+++ b/lib/Doctrine/DBAL/Types/DateTimeType.php
@@ -51,7 +51,7 @@ public function convertToPHPValue($value, AbstractPlatform $platform)
         }
 
         $val = \DateTime::createFromFormat($platform->getDateTimeFormatString(), $value);
-        if (!$val) {
+        if ( ! $val) {
             throw ConversionException::conversionFailedFormat($value, $this->getName(), $platform->getDateTimeFormatString());
         }
         return $val;
diff --git a/lib/Doctrine/DBAL/Types/DateTimeTzType.php b/lib/Doctrine/DBAL/Types/DateTimeTzType.php
index c8412359083..1c8df1dc8e8 100644
--- a/lib/Doctrine/DBAL/Types/DateTimeTzType.php
+++ b/lib/Doctrine/DBAL/Types/DateTimeTzType.php
@@ -71,7 +71,7 @@ public function convertToPHPValue($value, AbstractPlatform $platform)
         }
 
         $val = \DateTime::createFromFormat($platform->getDateTimeTzFormatString(), $value);
-        if (!$val) {
+        if ( ! $val) {
             throw ConversionException::conversionFailedFormat($value, $this->getName(), $platform->getDateTimeTzFormatString());
         }
         return $val;
diff --git a/lib/Doctrine/DBAL/Types/DateType.php b/lib/Doctrine/DBAL/Types/DateType.php
index 58933a8e3f8..e4669ba5206 100644
--- a/lib/Doctrine/DBAL/Types/DateType.php
+++ b/lib/Doctrine/DBAL/Types/DateType.php
@@ -51,7 +51,7 @@ public function convertToPHPValue($value, AbstractPlatform $platform)
         }
 
         $val = \DateTime::createFromFormat('!'.$platform->getDateFormatString(), $value);
-        if (!$val) {
+        if ( ! $val) {
             throw ConversionException::conversionFailedFormat($value, $this->getName(), $platform->getDateFormatString());
         }
         return $val;
diff --git a/lib/Doctrine/DBAL/Types/TimeType.php b/lib/Doctrine/DBAL/Types/TimeType.php
index c32a7b17c80..1b0c688db43 100644
--- a/lib/Doctrine/DBAL/Types/TimeType.php
+++ b/lib/Doctrine/DBAL/Types/TimeType.php
@@ -60,7 +60,7 @@ public function convertToPHPValue($value, AbstractPlatform $platform)
         }
 
         $val = \DateTime::createFromFormat($platform->getTimeFormatString(), $value);
-        if (!$val) {
+        if ( ! $val) {
             throw ConversionException::conversionFailedFormat($value, $this->getName(), $platform->getTimeFormatString());
         }
         return $val;
diff --git a/lib/Doctrine/DBAL/Types/VarDateTimeType.php b/lib/Doctrine/DBAL/Types/VarDateTimeType.php
index 31471b55c94..a271596e5e0 100644
--- a/lib/Doctrine/DBAL/Types/VarDateTimeType.php
+++ b/lib/Doctrine/DBAL/Types/VarDateTimeType.php
@@ -52,7 +52,7 @@ public function convertToPHPValue($value, AbstractPlatform $platform)
         }
 
         $val = date_create($value);
-        if (!$val) {
+        if ( ! $val) {
             throw ConversionException::conversionFailed($value, $this->getName());
         }
         return $val;