Swap empty for array check

Signed-off-by: Kamil Tekiela <[email protected]>

Author: kamil-tekiela

psalm-baseline.xml

@@ -1471,7 +1471,7 @@
       <code>has</code>
     </PossiblyNullReference>
     <RedundantCondition>
-      <code><![CDATA[empty($ret['select_tables'])]]></code>
+      <code><![CDATA[$ret['select_tables'] === []]]></code>
     </RedundantCondition>
   </file>
   <file src="src/Utils/Routine.php">

src/Utils/Query.php

@@ -528,7 +528,7 @@ public static function getAll($query)
             // If no tables names were found in the SELECT clause or if there
             // are expressions like * or COUNT(*), etc. tables names should be
             // extracted from the FROM clause.
-            if (empty($ret['select_tables'])) {
+            if ($ret['select_tables'] === []) {
                 foreach ($statement->from as $expr) {
                     if (! isset($expr->table) || ($expr->table === '')) {
                         continue;