Merge pull request #1563 from rawkode/bugfix/incorrect-rollback-method-name

Fixing method name 'rollBack', which was documented as 'rollback'

docs/en/reference/transactions-and-concurrency.rst

@@ -75,7 +75,7 @@ looks like this:
         $em->flush();
         $em->getConnection()->commit();
     } catch (Exception $e) {
-        $em->getConnection()->rollback();
+        $em->getConnection()->rollBack();
         throw $e;
     }
 

lib/Doctrine/ORM/EntityManager.php

@@ -238,7 +238,7 @@ use Doctrine\Common\Util\ClassUtils;
             return $return ?: true;
         } catch (Exception $e) {
             $this->close();
-            $this->conn->rollback();
+            $this->conn->rollBack();
 
             throw $e;
         }
@@ -257,7 +257,7 @@ use Doctrine\Common\Util\ClassUtils;
      */
     public function rollback()
     {
-        $this->conn->rollback();
+        $this->conn->rollBack();
     }
 
     /**

lib/Doctrine/ORM/UnitOfWork.php

@@ -402,7 +402,7 @@ class UnitOfWork implements PropertyChangedListener
             $conn->commit();
         } catch (Exception $e) {
             $this->em->close();
-            $conn->rollback();
+            $conn->rollBack();
 
             $this->afterTransactionRolledBack();