Перекодировка текста UTF-8 и WINDOWS-1251

$text = iconv('windows-1251//IGNORE', 'UTF-8//IGNORE', $text);
echo $text;

$text = mb_convert_encoding($text, 'UTF-8', 'windows-1251');
echo $text;

$text = iconv('utf-8//IGNORE', 'windows-1251//IGNORE', $text);
echo $text;

$text = mb_convert_encoding($text, 'windows-1251', 'utf-8');
echo $text;

$text = iconv('utf-8//IGNORE', 'cp1252//IGNORE', $text);
$text = iconv('cp1251//IGNORE', 'utf-8//IGNORE', $text);
echo $text;

$text = iconv('utf-8//IGNORE', 'windows-1251//IGNORE', $text);
$text = iconv('windows-1251//IGNORE', 'utf-8//IGNORE', $text);
echo $text;

$text = file_get_contents('https://example.com');
$text = "\xEF\xBB\xBF" .  $text;
echo $text;

function getcontents($url){
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
	curl_setopt($ch, CURLOPT_ENCODING, 'gzip');
	curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
	$output = curl_exec($ch);
	curl_close($ch);
	return $output;
}

echo getcontents('https://example.com');