laravel if file exists code example

Example 1: check if file exists laravel

$file = public_path('storage/images/' . $value)

if(! file_exists($file)){
  return asset('storage/images/default.png');
}

Example 2: laravel create new file if not exists

if (!file_exists('somefile.txt')) {
    touch('somefile.txt', strtotime('-1 days'));
}