Remove useless method in QueryFilter

2 files changed, 5 insertions, 11 deletions

diff --git a/src/Modifier/QueryFilter.php b/src/Modifier/QueryFilter.php
index 39eecaf..176517b 100644
--- a/src/Modifier/QueryFilter.php
+++ b/src/Modifier/QueryFilter.php
@@ -71,16 +71,6 @@ trait QueryFilter
     protected $returnType = AbstractCsv::TYPE_ARRAY;
 
     /**
-     * Returns the return type for the next fetch call
-     *
-     * @return int
-     */
-    public function getReturnType()
-    {
-        return $this->returnType;
-    }
-
-    /**
      * Set the return type for the next fetch call
      *
      * @param int $type
diff --git a/src/Reader.php b/src/Reader.php
index 161ffa9..f71c43f 100644
--- a/src/Reader.php
+++ b/src/Reader.php
@@ -264,7 +264,11 @@ class Reader extends AbstractCsv
             return $offset_or_keys;
         }
 
-        $$offset_or_keys = $this->filterInteger($offset_or_keys, 0, 'the row index must be a positive integer, 0 or a non empty array');
+        $offset_or_keys = $this->filterInteger(
+            $offset_or_keys,
+            0,
+            'the row index must be a positive integer, 0 or a non empty array'
+        );
         $keys = $this->getRow($offset_or_keys);
         $this->assertValidAssocKeys($keys);
         $filterOutRow = function ($row, $rowIndex) use ($offset_or_keys) {