(PHP Extension) Compress Bytes

Demonstrates how to compress binary data.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$fac = new CkFileAccess();

$fileBytes = new CkByteData();
$success = $fac->ReadEntireFile('qa_data/bmp/big.bmp',$fileBytes);
if ($fac->get_LastMethodSuccess() != true) {
    print $fac->lastErrorText() . "\n";
    exit;
}

$compress = new CkCompression();
$compress->put_Algorithm('deflate');

$compressedBytes = new CkByteData();
$success = $compress->CompressBytes($fileBytes,$compressedBytes);
if ($compress->get_LastMethodSuccess() != true) {
    print $compress->lastErrorText() . "\n";
    exit;
}

$success = $fac->WriteEntireFile('qa_output/compressedBmp.dat',$compressedBytes);
if ($fac->get_LastMethodSuccess() != true) {
    print $fac->lastErrorText() . "\n";
    exit;
}


?>