Using curly brackets to access array elements is deprecated in PHP 7.4

[tylermarien]

Summary

When using the Payment provider, it throws the following exception in PHP 7.4.

Array and string offset access syntax with curly braces is deprecated

Versions

PHP - 7.4.0
fzaninotto/faker - 1.9.0

Self-enclosed code snippet for reproduction

$faker = \Faker\Factory::create();
$faker->creditCardNumber('Visa');

Expected output

Expect to get a valid Visa card number.

Actual output

PHP Deprecated:  Array and string offset access syntax with curly braces is deprecated in /var/www/html/vendor/fzaninotto/faker/src/Faker/Calculator/Luhn.php on line 27

[bolechen]

it already fix at #1843