Bug: Call to function is_array() with string (#5096)

Author: sreichel

.phpstan.dist.baseline.neon

@@ -2334,12 +2334,6 @@ parameters:
 			count: 1
 			path: app/code/core/Mage/Index/Model/Lock.php
 
-		-
-			rawMessage: 'Call to function is_array() with '''' will always evaluate to false.'
-			identifier: function.impossibleType
-			count: 1
-			path: app/code/core/Mage/Index/Model/Resource/Event.php
-
 		-
 			rawMessage: 'Parameter #1 $adapter of method Varien_Db_Adapter_Interface::setCacheAdapter() expects Zend_Cache_Backend_Interface, Zend_Cache_Core given.'
 			identifier: argument.type

app/code/core/Mage/Index/Model/Resource/Event.php

@@ -99,7 +99,7 @@ public function updateProcessEvents($process, $status = Mage_Index_Model_Process
             $whereCondition = ['process_id = ?' => $process->getId()];
         } elseif (is_array($process) && !empty($process)) {
             $whereCondition = ['process_id IN (?)' => $process];
-        } elseif (!is_array($whereCondition)) {
+        } elseif (!empty($process)) {
             $whereCondition = ['process_id = ?' => $process];
         }