Combine consecutives unsets

lib/Doctrine/DBAL/Connections/MasterSlaveConnection.php

@@ -288,8 +288,7 @@ class MasterSlaveConnection extends Connection
      */
     public function close()
     {
-        unset($this->connections['master']);
-        unset($this->connections['slave']);
+        unset($this->connections['master'], $this->connections['slave']);
 
         parent::close();
 

lib/Doctrine/DBAL/Platforms/DB2Platform.php

@@ -698,8 +698,7 @@ class DB2Platform extends AbstractPlatform
 
                     $sql[] = $this->getCreateIndexSQL($addIndex, $table);
 
-                    unset($diff->removedIndexes[$remKey]);
-                    unset($diff->addedIndexes[$addKey]);
+                    unset($diff->removedIndexes[$remKey], $diff->addedIndexes[$addKey]);
 
                     break;
                 }

lib/Doctrine/DBAL/Platforms/MySqlPlatform.php

@@ -660,8 +660,7 @@ class MySqlPlatform extends AbstractPlatform
 
                     $sql[] = $query;
 
-                    unset($diff->removedIndexes[$remKey]);
-                    unset($diff->addedIndexes[$addKey]);
+                    unset($diff->removedIndexes[$remKey], $diff->addedIndexes[$addKey]);
 
                     break;
                 }

lib/Doctrine/DBAL/Platforms/SqlitePlatform.php

@@ -818,9 +818,11 @@ class SqlitePlatform extends AbstractPlatform
 
             $columnName = strtolower($columnName);
             if (isset($columns[$columnName])) {
-                unset($columns[$columnName]);
-                unset($oldColumnNames[$columnName]);
-                unset($newColumnNames[$columnName]);
+                unset(
+                    $columns[$columnName],
+                    $oldColumnNames[$columnName],
+                    $newColumnNames[$columnName]
+                );
             }
         }
 

lib/Doctrine/DBAL/Schema/Comparator.php

@@ -279,14 +279,12 @@ class Comparator
         foreach ($fromFkeys as $key1 => $constraint1) {
             foreach ($toFkeys as $key2 => $constraint2) {
                 if ($this->diffForeignKey($constraint1, $constraint2) === false) {
-                    unset($fromFkeys[$key1]);
-                    unset($toFkeys[$key2]);
+                    unset($fromFkeys[$key1], $toFkeys[$key2]);
                 } else {
                     if (strtolower($constraint1->getName()) == strtolower($constraint2->getName())) {
                         $tableDifferences->changedForeignKeys[] = $constraint2;
                         $changes++;
-                        unset($fromFkeys[$key1]);
-                        unset($toFkeys[$key2]);
+                        unset($fromFkeys[$key1], $toFkeys[$key2]);
                     }
                 }
             }
@@ -332,8 +330,10 @@ class Comparator
 
                 if ( ! isset($tableDifferences->renamedColumns[$removedColumnName])) {
                     $tableDifferences->renamedColumns[$removedColumnName] = $addedColumn;
-                    unset($tableDifferences->addedColumns[$addedColumnName]);
-                    unset($tableDifferences->removedColumns[$removedColumnName]);
+                    unset(
+                        $tableDifferences->addedColumns[$addedColumnName],
+                        $tableDifferences->removedColumns[$removedColumnName]
+                    );
                 }
             }
         }
@@ -373,8 +373,10 @@ class Comparator
 
                 if (! isset($tableDifferences->renamedIndexes[$removedIndexName])) {
                     $tableDifferences->renamedIndexes[$removedIndexName] = $addedIndex;
-                    unset($tableDifferences->addedIndexes[$addedIndexName]);
-                    unset($tableDifferences->removedIndexes[$removedIndexName]);
+                    unset(
+                        $tableDifferences->addedIndexes[$addedIndexName],
+                        $tableDifferences->removedIndexes[$removedIndexName]
+                    );
                 }
             }
         }