(PHP Extension) Unzip Some Files by Iterating over Entries

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

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

$zip = new CkZip();

// 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 != true) {
    print $zip->lastErrorText() . "\n";
    exit;
}

$sbFilename = new CkStringBuilder();

$numEntries = $zip->get_NumEntries();
$i = 0;
while ($i < $numEntries) {
    // entry is a CkZipEntry
    $entry = $zip->GetEntryByIndex($i);

    $entryFilePath = $entry->fileName();
    print $entryFilePath . "\n";

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

        }

    }

    $i = $i + 1;
}


?>