<?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;
}
}
The Future of Digital Wallets: How Mobile Payments are Shaping the Financial Landscape
Digital wallets have fundamentally transformed how we manage money, offering a streamlined, secure, and highly efficient method for handling payments and transactions. By consolidating credit, debit, and loyalty card information into a single app, digital wallets simplify the payment process and eliminate the need for physical cards, enhancing both convenience and security. As digital wallets evolve, they are integrating advanced features that push the boundaries of traditional payment methods. Biometric authentication, such as fingerprint and facial recognition, adds an extra layer of security, ensuring that only authorized users can access their payment information. Real-time transaction alerts provide instant notifications for every transaction, allowing users to monitor their spending and detect any unauthorized activity swiftly. Budgeting tools within digital wallets offer personalized insights and financial management capabilities, helping users track their expenses and plan their budgets more effectively. The growing adoption of digital wallets is fueled by their ease of use and the increasing demand for contactless payment solutions. As technology advances, digital wallets are likely to incorporate even more innovative features, such as artificial intelligence for personalized financial advice, integrated loyalty programs for seamless rewards management, and cross-border transaction capabilities for global shopping convenience. The integration of these features is reshaping the financial landscape by making transactions not only faster but also more secure and user-friendly. The future of digital wallets is set to further revolutionize how we handle our finances, offering an all-encompassing solution that caters to the evolving needs of modern consumers. As digital wallets continue to advance, they will play an increasingly central role in shaping the future of financial interactions, driving the global shift towards a more digital and cashless economy.
In the digital age, privacy concerns have become increasingly paramount, prompting the European Union to enact the General Data Protection Regulation (GDPR) in 2018. Among its many provisions, GDPR sets strict guidelines for the collection and processing of personal data, including the use of cookies on websites. Privacy Policy
