PHP 7.X - appending an array to an ArrayObject by reference is not po…

…ssible anymore

There was 1 failure:
1) PropelArrayFormatterWithTest::testFindOneWithOneToMany
Related objects are correctly hydrated
Failed asserting that 1 matches expected 2.

PHP 7.X - appending an array to an ArrayObject by reference is not possible anymore

Fix taken from : https://github.com/raebbar/propel/releases/tag/1.7.2

runtime/lib/formatter/PropelArrayFormatter.php

@@ -25,21 +25,23 @@ class PropelArrayFormatter extends PropelFormatter
     public function format(PDOStatement $stmt)
     {
         $this->checkInit();
-        if ($class = $this->collectionName) {
-            $collection = new $class();
-            $collection->setModel($this->class);
-            $collection->setFormatter($this);
-        } else {
-            $collection = array();
-        }
+        $collection = array();
+
         if ($this->isWithOneToMany() && $this->hasLimit) {
             throw new PropelException('Cannot use limit() in conjunction with with() on a one-to-many relationship. Please remove the with() call, or the limit() call.');
         }
         while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
             if ($object = &$this->getStructuredArrayFromRow($row)) {
-                $collection[] = $object;
+                $collection[] =& $object;
             }
         }
+
+        if ($class = $this->collectionName) {
+            $collection = new $class($collection);
+            $collection->setModel($this->class);
+            $collection->setFormatter($this);
+        }
+
         $this->currentObjects = array();
         $this->alreadyHydratedObjects = array();
         $stmt->closeCursor();