TernaryToElvisRector

Use ?: instead of ?, where useful

 function elvis()
 {
-    $value = $a ? $a : false;
+    $value = $a ?: false;
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Php53\Rector\Ternary\TernaryToElvisRector;

return RectorConfig::configure()
    ->withRules([
        TernaryToElvisRector::class,
    ]);
SETS:  PHP 5.3