$arString = preg_split('//u', $arMaxGroup['NAME'], -1, PREG_SPLIT_NO_EMPTY);
foreach ($arString as $symbol) {
echo '<span style="color:' . sprintf( '#%02X%02X%02X', rand(0, 255), rand(0, 255), rand(0, 255) ) . ';">' . $symbol . '</span>';
}
curl_setopt($curl, CURLOPT_POSTFIELDS, ['photo' => new CURLFile($image, 'image/gif')], true);
curl_setopt($curl, CURLOPT_POSTFIELDS, ['file' => new CURLFile($image, 'image/gif')], true);