Description:
------------
In test env in our product sometimes caused Undefined variable $value with empty array
But local don't reproduce


Test script:
---------------
<?php

class Test
{
    private const PRIVATE_ARRAY = [];

    public function run(): int
    {
        foreach (self::PRIVATE_ARRAY as $key => $value) {
            return $value;
        }

        return 1;
    }
}

(new Test())->run();