(PHP ActiveX) Unzip Some Files by Iterating over Entries

Demonstrates how to unzip specific files by iterating over entries in a .zip.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

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

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Zip')
$zip = new COM("Chilkat.Zip");

// Open a .zip containing:
// 
// a1.xml
// b1.xml
// c1.xml
// dir1/a2.xml
// dir1/c2.xml
// dir2/dir3/c3.xml

// We wish to unzip only a1.xml, b1.xml, and c1.xml
$success = $zip->OpenZip('qa_data/zips/xml_files.zip');
if ($success != 1) {
    print $zip->LastErrorText . "\n";
    exit;
}

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder')
$sbFilename = new COM("Chilkat.StringBuilder");

$numEntries = $zip->NumEntries;
$i = 0;
while ($i < $numEntries) {
    // entry is a Chilkat.ZipEntry
    $entry = $zip->GetEntryByIndex($i);

    $entryFilePath = $entry->FileName;
    print $entryFilePath . "\n";

    if ($entry->IsDirectory == 0) {
        $sbFilename->SetString($entryFilePath);
        if ($sbFilename->Contains('/',0) == 0) {
            // Does not contain "/"
            // Unzip to the qa_output directory.
            $success = $entry->Extract('qa_output');
            if ($success == 0) {
                print 'Failed to unzip ' . $entryFilePath . "\n";
            }
            else {
                print 'Unzipped ' . $entryFilePath . "\n";
            }

        }

    }

    $i = $i + 1;
}


?>