<?php declare(strict_types=1);

namespace PhpParser;

/**
 * A PHP version, representing only the major and minor version components.
 */
class PhpVersion {
    /** @var int Version ID in PHP_VERSION_ID format */
    public int $id;

    /** @var int[] Minimum versions for builtin types */
    private const BUILTIN_TYPE_VERSIONS = [
        'array'    => 50100,
        'callable' => 50400,
        'bool'     => 70000,
        'int'      => 70000,
        'float'    => 70000,
        'string'   => 70000,
        'iterable' => 70100,
        'void'     => 70100,
        'object'   => 70200,
        'null'     => 80000,
        'false'    => 80000,
        'mixed'    => 80000,
        'never'    => 80100,
        'true'     => 80200,
    ];

    private function __construct(int $id) {
        $this->id = $id;
    }

    /**
     * Create a PhpVersion object from major and minor version components.
     */
    public static function fromComponents(int $major, int $minor): self {
        return new self($major * 10000 + $minor * 100);
    }

    /**
     * Get the newest PHP version supported by this library. Support for this version may be partial,
     * if it is still under development.
     */
    public static function getNewestSupported(): self {
        return self::fromComponents(8, 3);
    }

    /**
     * Get the host PHP version, that is the PHP version we're currently running on.
     */
    public static function getHostVersion(): self {
        return self::fromComponents(\PHP_MAJOR_VERSION, \PHP_MINOR_VERSION);
    }

    /**
     * Parse the version from a string like "8.1".
     */
    public static function fromString(string $version): self {
        if (!preg_match('/^(\d+)\.(\d+)/', $version, $matches)) {
            throw new \LogicException("Invalid PHP version \"$version\"");
        }
        return self::fromComponents((int) $matches[1], (int) $matches[2]);
    }

    /**
     * Check whether two versions are the same.
     */
    public function equals(PhpVersion $other): bool {
        return $this->id === $other->id;
    }

    /**
     * Check whether this version is greater than or equal to the argument.
     */
    public function newerOrEqual(PhpVersion $other): bool {
        return $this->id >= $other->id;
    }

    /**
     * Check whether this version is older than the argument.
     */
    public function older(PhpVersion $other): bool {
        return $this->id < $other->id;
    }

    /**
     * Check whether this is the host PHP version.
     */
    public function isHostVersion(): bool {
        return $this->equals(self::getHostVersion());
    }

    /**
     * Check whether this PHP version supports the given builtin type. Type name must be lowercase.
     */
    public function supportsBuiltinType(string $type): bool {
        $minVersion = self::BUILTIN_TYPE_VERSIONS[$type] ?? null;
        return $minVersion !== null && $this->id >= $minVersion;
    }

    /**
     * Whether this version supports [] array literals.
     */
    public function supportsShortArraySyntax(): bool {
        return $this->id >= 50400;
    }

    /**
     * Whether this version supports [] for destructuring.
     */
    public function supportsShortArrayDestructuring(): bool {
        return $this->id >= 70100;
    }

    /**
     * Whether this version supports flexible heredoc/nowdoc.
     */
    public function supportsFlexibleHeredoc(): bool {
        return $this->id >= 70300;
    }

    /**
     * Whether this version supports trailing commas in parameter lists.
     */
    public function supportsTrailingCommaInParamList(): bool {
        return $this->id >= 80000;
    }

    /**
     * Whether this version allows "$var =& new Obj".
     */
    public function allowsAssignNewByReference(): bool {
        return $this->id < 70000;
    }

    /**
     * Whether this version allows invalid octals like "08".
     */
    public function allowsInvalidOctals(): bool {
        return $this->id < 70000;
    }

    /**
     * Whether this version allows DEL (\x7f) to occur in identifiers.
     */
    public function allowsDelInIdentifiers(): bool {
        return $this->id < 70100;
    }

    /**
     * Whether this version supports yield in expression context without parentheses.
     */
    public function supportsYieldWithoutParentheses(): bool {
        return $this->id >= 70000;
    }

    /**
     * Whether this version supports unicode escape sequences in strings.
     */
    public function supportsUnicodeEscapes(): bool {
        return $this->id >= 70000;
    }
}

• [D] Builder
• [D] Comment
• [D] ErrorHandler
• [D] Internal
• [D] Lexer
• [D] Node
• [D] NodeVisitor
• [D] Parser
• [D] PrettyPrinter
• [F] Builder.php
  Delete
• [F] BuilderFactory.php
  Delete
• [F] BuilderHelpers.php
  Delete
• [F] Comment.php
  Delete
• [F] compatibility_tokens.php
  Delete
• [F] ConstExprEvaluationException.php
  Delete
• [F] ConstExprEvaluator.php
  Delete
• [F] Error.php
  Delete
• [F] ErrorHandler.php
  Delete
• [F] JsonDecoder.php
  Delete
• [F] Lexer.php
  Delete
• [F] Modifiers.php
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• [F] NameContext.php
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• [F] Node.php
  Delete
• [F] NodeAbstract.php
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• [F] NodeDumper.php
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• [F] NodeFinder.php
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• [F] NodeTraverser.php
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• [F] NodeTraverserInterface.php
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• [F] NodeVisitor.php
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• [F] NodeVisitorAbstract.php
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• [F] Parser.php
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• [F] ParserAbstract.php
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• [F] ParserFactory.php
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• [F] PhpVersion.php
  Delete
• [F] PrettyPrinter.php
  Delete
• [F] PrettyPrinterAbstract.php
  Delete
• [F] Token.php
  Delete

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
• Reinventing Your Wallet for Modern Convenience.
• Smart Payments for a Effortless Lifestyle.
• Experience the Ease of Tap and Pay.
• Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard