PHP code example of spomky-labs / cbor-php

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

spomky-labs / cbor-php example snippets

use CBOR\UnsignedIntegerObject;

$object = UnsignedIntegerObject::create(10);
$object = UnsignedIntegerObject::create(1000);
$object = UnsignedIntegerObject::create(10000);
$object = UnsignedIntegerObject::createFromHex('0AFFEBFF');

echo bin2hex((string)$object); // 1a0affebff

use CBOR\NegativeIntegerObject;

$object = NegativeIntegerObject::create(-10);
$object = NegativeIntegerObject::create(-1000);
$object = NegativeIntegerObject::create(-10000);

use CBOR\ByteStringObject; // Byte String
use CBOR\IndefiniteLengthByteStringObject; // Indefinite Length Byte String

// Create a Byte String with value "Hello"
$object = ByteStringObject::create('Hello');

// Create an Indefinite Length Byte String with value "Hello" ("He" + "" + "ll" + "o")
$object = IndefiniteLengthByteStringObject::create()
    ->append('He')
    ->append('')
    ->append('ll')
    ->append('o')
;

use CBOR\TextStringObject; // Text String
use CBOR\IndefiniteLengthTextStringObject; // Indefinite Length Text String

// Create a Text String with value "(｡◕‿◕｡)⚡"
$object = TextStringObject::create('(｡◕‿◕｡)⚡');

// Create an Indefinite Length Text String with value "(｡◕‿◕｡)⚡" ("(｡◕" + "" + "‿◕" + "｡)⚡")
$object = IndefiniteLengthTextStringObject::create()
    ->append('(｡◕')
    ->append('')
    ->append('‿◕')
    ->append('｡)⚡')
;

use CBOR\ListObject; // List
use CBOR\IndefiniteLengthListObject; // Infinite List
use CBOR\TextStringObject;
use CBOR\UnsignedIntegerObject;

// Create a List with a single item
$object = ListObject::create()
    ->add(TextStringObject::create('(｡◕‿◕｡)⚡'))
;

// Create an Infinite List with several items
$object = IndefiniteLengthListObject::create()
    ->add(TextStringObject::create('(｡◕‿◕｡)⚡'))
    ->add(UnsignedIntegerObject::create(25))
;

use CBOR\MapObject; // Map
use CBOR\IndefiniteLengthMapObject; // Infinite Map
use CBOR\ByteStringObject;
use CBOR\TextStringObject;
use CBOR\UnsignedIntegerObject;
use CBOR\NegativeIntegerObject;

// Create a Map with a single item
$object = MapObject::create()
    ->add(UnsignedIntegerObject::create(25), TextStringObject::create('(｡◕‿◕｡)⚡'))
;

// Create an Infinite Map with several items
$object = IndefiniteLengthMapObject::create()
    ->append(ByteStringObject::create('A'), NegativeIntegerObject::create(-652))
    ->append(UnsignedIntegerObject::create(25), TextStringObject::create('(｡◕‿◕｡)⚡'))
;

use CBOR\Tag\TimestampTag;
use CBOR\UnsignedIntegerObject;

// Create an unsigned object that represents the current timestamp
$object = UnsignedIntegerObject::create(time()); // e.g. 1525873787

//We tag the object with the Timestamp Tag
$taggedObject = TimestampTag::create($object); // Returns a \DateTimeImmutable object with timestamp at 1525873787

use CBOR\OtherObject\FalseObject;
use CBOR\OtherObject\NullObject;
use CBOR\OtherObject\UndefinedObject;

$object = FalseObject::create();
$object = NullObject::create();
$object = UndefinedObject::create();

use CBOR\MapObject;
use CBOR\OtherObject\UndefinedObject;
use CBOR\TextStringObject;
use CBOR\ListObject;
use CBOR\NegativeIntegerObject;
use CBOR\UnsignedIntegerObject;
use CBOR\OtherObject\TrueObject;
use CBOR\OtherObject\FalseObject;
use CBOR\OtherObject\NullObject;
use CBOR\Tag\DecimalFractionTag;
use CBOR\Tag\TimestampTag;

$object = MapObject::create()
    ->add(
        TextStringObject::create('(｡◕‿◕｡)⚡'),
        ListObject::create([
            TrueObject::create(),
            FalseObject::create(),
            UndefinedObject::create(),
            DecimalFractionTag::createFromExponentAndMantissa(
                NegativeIntegerObject::create(-2),
                UnsignedIntegerObject::create(1234)
            ),
        ])
    )
    ->add(
        UnsignedIntegerObject::create(2000),
        NullObject::create()
    )
    ->add(
        TextStringObject::create('date'),
        TimestampTag::create(UnsignedIntegerObject::create(1577836800))
    )
;

use CBOR\Decoder;

$decoder = Decoder::create();

use CBOR\Decoder;
use CBOR\OtherObject;
use CBOR\Tag;

$otherObjectManager = OtherObject\OtherObjectManager::create()
    ->add(OtherObject\SimpleObject::class)
    ->add(OtherObject\FalseObject::class)
    ->add(OtherObject\TrueObject::class)
    ->add(OtherObject\NullObject::class)
    ->add(OtherObject\UndefinedObject::class)
    ->add(OtherObject\HalfPrecisionFloatObject::class)
    ->add(OtherObject\SinglePrecisionFloatObject::class)
    ->add(OtherObject\DoublePrecisionFloatObject::class)
;

$tagManager = Tag\TagManager::create()
    ->add(Tag\DatetimeTag::class)
    ->add(Tag\TimestampTag::class)
    ->add(Tag\UnsignedBigIntegerTag::class)
    ->add(Tag\NegativeBigIntegerTag::class)
    ->add(Tag\DecimalFractionTag::class)
    ->add(Tag\BigFloatTag::class)
    ->add(Tag\Base64UrlEncodingTag::class)
    ->add(Tag\Base64EncodingTag::class)
    ->add(Tag\Base16EncodingTag::class)
;

$decoder = Decoder::create($tagManager, $otherObjectManager);

use CBOR\StringStream;

// CBOR object (in hex for the example)
$data = hex2bin('fb3fd5555555555555');

// String Stream
$stream = StringStream::create($data);

// Load the data
$object = $decoder->decode($stream); // Return a CBOR\OtherObject\DoublePrecisionFloatObject class with normalized value ~0.3333 (1/3)