CrmContacts::processing

static function processing(Block $block): void
{
	$content = $block->getContent();
	if (!$content)
	{
		return;
	}

	// get requisites from my companies
	$contacts = self::getContacts();
	$company = $contacts[self::COMPANY_KEY];
	$phones = $contacts[self::PHONES_KEY];
	$emails = $contacts[self::EMAILS_KEY];

	// todo: just one contact to replace
	// if phones or email found, replace markers
	$replaced = 0;
	$content = preg_replace_callback(
		'/#(PHONE|EMAIL)([d]+)#/',
		static function ($matches) use ($phones, $emails)
		{
			$key = $matches[2];
			$sources = ($matches[1] === 'PHONE') ? $phones : $emails;

			return $sources[$key] ?? $sources[0];
		},
		$content,
		-1,
		$replaced
	);
	if (mb_strpos($content, '#COMPANY#') !== false)
	{
		$content = str_replace('#COMPANY#', $company, $content);
		$replaced++;
	}

	if ($replaced)
	{
		$block->saveContent($content);
		$block->save();
	}
}