update laravel env variables dynamically

1protected function updateDotEnv($key, $newValue, $delim='')
2{
3
4    $path = base_path('.env');
5    // get old value from current env
6    $oldValue = env($key);
7
8    // was there any change?
9    if ($oldValue === $newValue) {
10        return;
11    }
12
13    // rewrite file content with changed data
14    if (file_exists($path)) {
15        // replace current value with new value 
16        file_put_contents(
17            $path, str_replace(
18                $key.'='.$delim.$oldValue.$delim, 
19                $key.'='.$delim.$newValue.$delim, 
20                file_get_contents($path)
21            )
22        );
23    }
24}

1   /**
2     * Update Laravel Env file Key's Value
3     * @param string $key
4     * @param string $value
5     */
6    public static function envUpdate($key, $value)
7    {
8        $path = base_path('.env');
9
10        if (file_exists($path)) {
11
12            file_put_contents($path, str_replace(
13                $key . '=' . env($key), $key . '=' . $value, file_get_contents($path)
14            ));
15        }
16    }
17