Proven Expertise
Our team brings years of experience in the digital payments industry to provide reliable services.
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Uid;
/**
* @author Nicolas Grekas <p@tchwork.com>
*/
abstract class AbstractUid implements \JsonSerializable
{
/**
* The identifier in its canonic representation.
*/
protected $uid;
/**
* Whether the passed value is valid for the constructor of the current class.
*/
abstract public static function isValid(string $uid): bool;
/**
* Creates an AbstractUid from an identifier represented in any of the supported formats.
*
* @throws \InvalidArgumentException When the passed value is not valid
*/
abstract public static function fromString(string $uid): static;
/**
* @throws \InvalidArgumentException When the passed value is not valid
*/
public static function fromBinary(string $uid): static
{
if (16 !== \strlen($uid)) {
throw new \InvalidArgumentException('Invalid binary uid provided.');
}
return static::fromString($uid);
}
/**
* @throws \InvalidArgumentException When the passed value is not valid
*/
public static function fromBase58(string $uid): static
{
if (22 !== \strlen($uid)) {
throw new \InvalidArgumentException('Invalid base-58 uid provided.');
}
return static::fromString($uid);
}
/**
* @throws \InvalidArgumentException When the passed value is not valid
*/
public static function fromBase32(string $uid): static
{
if (26 !== \strlen($uid)) {
throw new \InvalidArgumentException('Invalid base-32 uid provided.');
}
return static::fromString($uid);
}
/**
* @throws \InvalidArgumentException When the passed value is not valid
*/
public static function fromRfc4122(string $uid): static
{
if (36 !== \strlen($uid)) {
throw new \InvalidArgumentException('Invalid RFC4122 uid provided.');
}
return static::fromString($uid);
}
/**
* Returns the identifier as a raw binary string.
*/
abstract public function toBinary(): string;
/**
* Returns the identifier as a base58 case sensitive string.
*/
public function toBase58(): string
{
return strtr(sprintf('%022s', BinaryUtil::toBase($this->toBinary(), BinaryUtil::BASE58)), '0', '1');
}
/**
* Returns the identifier as a base32 case insensitive string.
*/
public function toBase32(): string
{
$uid = bin2hex($this->toBinary());
$uid = sprintf('%02s%04s%04s%04s%04s%04s%04s',
base_convert(substr($uid, 0, 2), 16, 32),
base_convert(substr($uid, 2, 5), 16, 32),
base_convert(substr($uid, 7, 5), 16, 32),
base_convert(substr($uid, 12, 5), 16, 32),
base_convert(substr($uid, 17, 5), 16, 32),
base_convert(substr($uid, 22, 5), 16, 32),
base_convert(substr($uid, 27, 5), 16, 32)
);
return strtr($uid, 'abcdefghijklmnopqrstuv', 'ABCDEFGHJKMNPQRSTVWXYZ');
}
/**
* Returns the identifier as a RFC4122 case insensitive string.
*/
public function toRfc4122(): string
{
// don't use uuid_unparse(), it's slower
$uuid = bin2hex($this->toBinary());
$uuid = substr_replace($uuid, '-', 8, 0);
$uuid = substr_replace($uuid, '-', 13, 0);
$uuid = substr_replace($uuid, '-', 18, 0);
return substr_replace($uuid, '-', 23, 0);
}
/**
* Returns whether the argument is an AbstractUid and contains the same value as the current instance.
*/
public function equals(mixed $other): bool
{
if (!$other instanceof self) {
return false;
}
return $this->uid === $other->uid;
}
public function compare(self $other): int
{
return (\strlen($this->uid) - \strlen($other->uid)) ?: ($this->uid <=> $other->uid);
}
public function __toString(): string
{
return $this->uid;
}
public function jsonSerialize(): string
{
return $this->uid;
}
}
How it Works
Getting started with NFC Pay is simple and quick. Register your account, add your cards, and you're ready to make payments in no time. Whether you're paying at a store, sending money to a friend, or managing your merchant transactions, NFC Pay makes it easy and secure.
Download the NFC Pay app and sign up with your email or phone number. Complete the registration process by verifying your identity, and set up your secure PIN to protect your account.
Link your debit or credit cards to your NFC Pay wallet. Simply scan your card or enter the details manually, and you’re set to load funds, shop, and pay with ease.
To pay, simply tap your phone or scan the QR code at checkout. You can also transfer money to other users with a few taps. Enjoy fast, contactless payments with top-notch security.
Security System
NFC Pay prioritizes your security with advanced features that safeguard every transaction. From SMS or email verification to end-to-end encryption, we've implemented robust measures to ensure your data is always protected. Our security systems are designed to prevent unauthorized access and provide you with a safe and reliable payment experience.
Receive instant alerts for every transaction to keep track of your account activities.
Verify your identity through our Know Your Customer process to prevent fraud and enhance security.
Dramatically supply transparent backward deliverables before caward comp internal or "organic" sources.
All your data and transactions are encrypted, ensuring that your sensitive information remains private.
Monitor unusual activity patterns to detect and prevent suspicious behavior in real-time.
Why Choice Us
With NFC Pay, you get a trusted platform backed by proven expertise and a commitment to quality. We put our customers first, offering innovative solutions tailored to your needs, ensuring every transaction is secure, swift, and seamless.
Our team brings years of experience in the digital payments industry to provide reliable services.
We prioritize excellence, ensuring that every aspect of our platform meets the highest standards.
Your needs drive our solutions, and we are dedicated to delivering a superior user experience.
We continuously evolve, integrating the latest technologies to enhance your payment experience.
Testimonial Section
Hear from our users who trust NFC Pay for their everyday transactions. Our commitment to security, ease of use, and exceptional service shines through in their experiences. See why our clients choose NFC Pay for their payment needs and how it has transformed the way they manage their finances.
App Section
Unlock the full potential of NFC Pay by downloading our app, designed to bring secure, swift, and smart transactions to your fingertips. Whether you're paying at a store, transferring money to friends, or managing your business payments, the NFC Pay app makes it effortless. Available on both iOS and Android, it's your all-in-one solution for convenient and reliable digital payments. Download now and experience the future of payments!