Helper::getUserByPhone

static function getUserByPhone($phoneNumber)
{
	$row = PhoneTable::getList([
		'select' => ['USER_ID'],
		'filter' => [
			'=PHONE_NUMBER' => $phoneNumber,
			'=PHONE_MNEMONIC' => 'UF_PHONE_INNER',
			'=USER.ACTIVE' => 'Y',
			'=USER.IS_REAL_USER' => 'Y'
		]
	])->fetch();

	return is_array($row) ? (int)$row['USER_ID'] : false;
}