fix bc

Author: staabm

src/Ast/ExpressionFinder.php

@@ -26,6 +26,16 @@ public function __construct()
         $this->nodeFinder = new NodeFinder();
     }
 
+    /**
+     * @param Variable|MethodCall $expr
+     *
+     * @deprecated use findAssignmentExpression() instead
+     */
+    public function findQueryStringExpression(Expr $expr): ?Expr
+    {
+        return $this->findAssignmentExpression($expr);
+    }
+
     /**
      * @param Variable|MethodCall $expr
      */