User::makeAvatar

static function makeAvatar(EO_User $user): ?string
{
	if (empty($user->getPersonalPhoto()))
	{
		return null;
	}

	$avatar = CFile::resizeImageGet(
		$user->getPersonalPhoto(),
		['width' => 100, 'height' => 100],
		BX_RESIZE_IMAGE_EXACT,
		false
	);

	return !empty($avatar['src']) ? $avatar['src'] : null;
}