RemoveDeadZeroAndOneOperationRector

Remove operation with 1 and 0, that have no effect on the value

 class SomeClass
 {
     public function run()
     {
-        $value = 5 * 1;
-        $value = 5 + 0;
+        $value = 5;
+        $value = 5;
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\DeadCode\Rector\Plus\RemoveDeadZeroAndOneOperationRector;

return RectorConfig::configure()
    ->withRules([
        RemoveDeadZeroAndOneOperationRector::class,
    ]);
SETS:  Dead Code