PHP code example of kduma / pcf

1. Go to this page and download the library: Download kduma/pcf library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

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

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

kduma / pcf example snippets


use Kduma\PCF\Container;
use Kduma\PCF\HashAlgo;
use Kduma\PCF\Storage\MemoryStorage;
use Kduma\PCF\Storage\StreamStorage;

// In-memory container.
$c = Container::create(new MemoryStorage());
$uid = str_repeat("\x01", 16);
$c->addPartition(0x10, $uid, 'notes', 'hello world', 64, HashAlgo::Sha256);

$c->verify();
$entries = $c->entries();
echo $c->readPartitionData($entries[0]); // "hello world"

// File-backed container.
$f = Container::create(StreamStorage::fromFile('container.pcf', 'c+'));
$f->addPartition(0xFFFFFFFF, str_repeat("\x02", 16), 'blob', "\x00\x01\x02", 0, HashAlgo::Crc32c);
$f->verify();

// Reclaim dead space into the canonical compacted layout.
$image = $c->compactedImage();
file_put_contents('compacted.pcf', $image);

bash
composer install
composer test                       # or: vendor/bin/phpunit
php examples/gen_testvector.php out.bin   # writes the canonical 395-byte file