Merge pull request #13217 from yiisoft/throwable

Catch `\Throwable` in critical places

framework/db/ActiveRecord.php

@@ -439,6 +439,9 @@ class ActiveRecord extends BaseActiveRecord
         } catch (\Exception $e) {
             $transaction->rollBack();
             throw $e;
+        } catch (\Throwable $e) {
+            $transaction->rollBack();
+            throw $e;
         }
     }
 
@@ -545,6 +548,9 @@ class ActiveRecord extends BaseActiveRecord
         } catch (\Exception $e) {
             $transaction->rollBack();
             throw $e;
+        } catch (\Throwable $e) {
+            $transaction->rollBack();
+            throw $e;
         }
     }
 
@@ -585,6 +591,9 @@ class ActiveRecord extends BaseActiveRecord
         } catch (\Exception $e) {
             $transaction->rollBack();
             throw $e;
+        } catch (\Throwable $e) {
+            $transaction->rollBack();
+            throw $e;
         }
     }
 

framework/db/Connection.php

@@ -420,7 +420,7 @@ class Connection extends Component
      * Use 0 to indicate that the cached data will never expire.
      * @param \yii\caching\Dependency $dependency the cache dependency associated with the cached query results.
      * @return mixed the return result of the callable
-     * @throws \Exception if there is any exception during query
+     * @throws \Exception|\Throwable if there is any exception during query
      * @see enableQueryCache
      * @see queryCache
      * @see noCache()
@@ -435,6 +435,9 @@ class Connection extends Component
         } catch (\Exception $e) {
             array_pop($this->_queryCacheInfo);
             throw $e;
+        } catch (\Throwable $e) {
+            array_pop($this->_queryCacheInfo);
+            throw $e;
         }
     }
 
@@ -457,7 +460,7 @@ class Connection extends Component
      * @param callable $callable a PHP callable that contains DB queries which should not use query cache.
      * The signature of the callable is `function (Connection $db)`.
      * @return mixed the return result of the callable
-     * @throws \Exception if there is any exception during query
+     * @throws \Exception|\Throwable if there is any exception during query
      * @see enableQueryCache
      * @see queryCache
      * @see cache()
@@ -472,6 +475,9 @@ class Connection extends Component
         } catch (\Exception $e) {
             array_pop($this->_queryCacheInfo);
             throw $e;
+        } catch (\Throwable $e) {
+            array_pop($this->_queryCacheInfo);
+            throw $e;
         }
     }
 
@@ -671,7 +677,7 @@ class Connection extends Component
      * @param callable $callback a valid PHP callback that performs the job. Accepts connection instance as parameter.
      * @param string|null $isolationLevel The isolation level to use for this transaction.
      * See [[Transaction::begin()]] for details.
-     * @throws \Exception
+     * @throws \Exception|\Throwable if there is any exception during query. In this case the transaction will be rolled back.
      * @return mixed result of callback function
      */
     public function transaction(callable $callback, $isolationLevel = null)
@@ -689,6 +695,11 @@ class Connection extends Component
                 $transaction->rollBack();
             }
             throw $e;
+        } catch (\Throwable $e) {
+            if ($transaction->isActive && $transaction->level === $level) {
+                $transaction->rollBack();
+            }
+            throw $e;
         }
 
         return $result;

framework/db/Migration.php

@@ -95,15 +95,16 @@ class Migration extends Component implements MigrationInterface
         try {
             if ($this->safeUp() === false) {
                 $transaction->rollBack();
-
                 return false;
             }
             $transaction->commit();
         } catch (\Exception $e) {
-            echo 'Exception: ' . $e->getMessage() . ' (' . $e->getFile() . ':' . $e->getLine() . ")\n";
-            echo $e->getTraceAsString() . "\n";
+            $this->printException($e);
+            $transaction->rollBack();
+            return false;
+        } catch (\Throwable $e) {
+            $this->printException($e);
             $transaction->rollBack();
-
             return false;
         }
 
@@ -123,21 +124,31 @@ class Migration extends Component implements MigrationInterface
         try {
             if ($this->safeDown() === false) {
                 $transaction->rollBack();
-
                 return false;
             }
             $transaction->commit();
         } catch (\Exception $e) {
-            echo 'Exception: ' . $e->getMessage() . ' (' . $e->getFile() . ':' . $e->getLine() . ")\n";
-            echo $e->getTraceAsString() . "\n";
+            $this->printException($e);
+            $transaction->rollBack();
+            return false;
+        } catch (\Throwable $e) {
+            $this->printException($e);
             $transaction->rollBack();
-
             return false;
         }
 
         return null;
     }
 
+    /**
+     * @param \Throwable|\Exception $e
+     */
+    private function printException($e)
+    {
+        echo 'Exception: ' . $e->getMessage() . ' (' . $e->getFile() . ':' . $e->getLine() . ")\n";
+        echo $e->getTraceAsString() . "\n";
+    }
+
     /**
      * This method contains the logic to be executed when applying this migration.
      * This method differs from [[up()]] in that the DB logic implemented here will

framework/db/Transaction.php

@@ -28,9 +28,16 @@ use yii\base\InvalidConfigException;
  * } catch (\Exception $e) {
  *     $transaction->rollBack();
  *     throw $e;
+ * } catch (\Throwable $e) {
+ *     $transaction->rollBack();
+ *     throw $e;
  * }
  * ```
  *
+ * > Note: in the above code we have two catch-blocks for compatibility
+ * > with PHP 5.x and PHP 7.x. `\Exception` implements the [`\Throwable` interface](http://php.net/manual/en/class.throwable.php)
+ * > since PHP 7.0, so you can skip the part with `\Exception` if your app uses only PHP 7.0 and higher.
+ *
  * @property bool $isActive Whether this transaction is active. Only an active transaction can [[commit()]]
  * or [[rollBack()]]. This property is read-only.
  * @property string $isolationLevel The transaction isolation level to use for this transaction. This can be