Rector\Php74\Rector\ArrayDimFetch\CurlyToSquareBracketArrayStringRector

CurlyToSquareBracketArrayStringRector

Change curly based array and string to square bracket

 $string = 'test';
-echo $string{0};
+echo $string[0];

 $array = ['test'];
-echo $array{0};
+echo $array[0];

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Php74\Rector\ArrayDimFetch\CurlyToSquareBracketArrayStringRector;

return RectorConfig::configure()
    ->withRules([
        CurlyToSquareBracketArrayStringRector::class,
    ]);

SETS: PHP 7.4