Try Rector Online | Rector - Automated Way to Instantly Upgrade and Refactor any PHP code

Run Rector on your code to see what it can do for you:

 <?php
 
-        if ($this->lastInsertedId !== null && $result[\array_key_first($result)] === null) {
-            $result[\array_key_first($result)]  = $this->lastInsertedId;
+        if ($this->lastInsertedId !== null && array_first($result) === null) {
+            array_first($result)  = $this->lastInsertedId;
         }

PHP snippet to change

<?php

        if ($this->lastInsertedId !== null && $result[\array_key_first($result)] === null) {
            $result[\array_key_first($result)]  = $this->lastInsertedId;
        }

Applied Rules:

ArrayFirstLastRector

Not a change you expect?

Create an issue on GitHub
...or to speed up fix – add a test fixture

Config rector.php

<?php

declare(strict_types=1);

use Rector\Config\RectorConfig;
use Rector\Php85\Rector\ArrayDimFetch\ArrayFirstLastRector;
use Rector\ValueObject\PhpVersion;

return static function (RectorConfig $rectorConfig): void {
    $rectorConfig->rule(ArrayFirstLastRector::class);

    $rectorConfig->phpVersion(PhpVersion::PHP_85);
};

Rector version: 52350d - released at 2026-01-19 01:42