Merge pull request #8970 from kenjis/refactor-orderBy

refactor: BaseBuilder::orderBy()

Author: kenjis

system/Database/BaseBuilder.php

@@ -1448,11 +1448,12 @@ public function orHaving($key, $value = null, ?bool $escape = null)
      */
     public function orderBy(string $orderBy, string $direction = '', ?bool $escape = null)
     {
-        $qbOrderBy = [];
         if ($orderBy === '') {
             return $this;
         }
 
+        $qbOrderBy = [];
+
         $direction = strtoupper(trim($direction));
 
         if ($direction === 'RANDOM') {
@@ -1463,7 +1464,7 @@ public function orderBy(string $orderBy, string $direction = '', ?bool $escape =
             $direction = in_array($direction, ['ASC', 'DESC'], true) ? ' ' . $direction : '';
         }
 
-        if (! is_bool($escape)) {
+        if ($escape === null) {
             $escape = $this->db->protectIdentifiers;
         }
 
@@ -1474,8 +1475,6 @@ public function orderBy(string $orderBy, string $direction = '', ?bool $escape =
                 'escape'    => false,
             ];
         } else {
-            $qbOrderBy = [];
-
             foreach (explode(',', $orderBy) as $field) {
                 $qbOrderBy[] = ($direction === '' && preg_match('/\s+(ASC|DESC)$/i', rtrim($field), $match, PREG_OFFSET_CAPTURE))
                     ? [