PHP code example of xp-forge / compression

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

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

    

xp-forge / compression example snippets

use io\streams\FileInputStream;
use io\streams\compress\GzipInputStream;

$in= new GzipInputStream(new FileInputStream('message.txt.gz'));
while ($in->available()) {
  echo $in->read();
}
$in->close();

use io\streams\FileOutputStream;
use io\streams\compress\Bzip2OutputStream;

$out= new Bzip2OutputStream(new FileOutputStream('message.txt.bz2'));
$out->write('Hello World!');
$out->write("\n");
$out->close();

use io\streams\{Compression, FileInputStream, FileOutputStream};

// Returns an algorithm instance. Raises a lang.MethodNotImplementedException
// if the $in->read();
}
$in->close();

// Write using strongest compression (other predefined values are FASTEST
// and DEFAULT; alternatively, the level can be passed directly).
$out= $compressed->create(new FileOutputStream($file), Compression::STRONGEST);
$out->write($bytes);
$out->close();

use io\streams\Compression;

echo "Supported algorithms:\n";
foreach (Compression::algorithms()->supported() as $compression) {
  echo '✓ ', $compression->name(), "\n";
}

use io\streams\Compression;
use peer\http\HttpConnection;

// Compile list of supported compression algorithms, e.g. "gzip, br"
$accept= Compression::algorithms()->accept();
echo "== Sending {$accept} ==\n";

// Make request, sending supported content encodings via Accept-Encoding
$conn= new HttpConnection($argv[1]);
$res= $conn->get(null, ['Accept-Encoding' => $accept]);

// Handle Content-Encoding header
if ($encoding= $res->header('Content-Encoding')) {
  $compression= Compression::named($encoding[0]);

  echo "== Using ", $compression->name(), " ==\n";
  $in= $compression->open($res->in());
} else {
  echo "== Uncompressed ==\n";
  $in= $res->in();
}

// Write contents to output
while ($in->available()) {
  echo $in->read();
}
$in->close();