fix: noverify --fix

src/Excel/Document.php

@@ -25,7 +25,7 @@ class Document {
     function setStyle ($name, array $values, $type = 'Interior')
     {
         if(!isset($this->styles[$name])) {
-            $this->styles[$name] = array();            
+            $this->styles[$name] = [];            
         }        
         $this->styles[$name][$type] = $values;
     }
@@ -70,7 +70,7 @@ class Document {
     function clean ($s) {
         assert(is_string($s));
 
-        return strtr($s, array ("\n" => "
"));
+        return strtr($s, ["\n" => "
"]);
     }
     
     /**