(PHP Extension) Unzip Encrypted Text into a String Variable

Demonstrates how to open an encrypted .zip archive and unzip a text file directly into a string variable.

Note: This example requires Chilkat v11.0.0 or greater.

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<?php

include("chilkat.php");

$success = false;

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

$zip = new CkZip();

// Set the password required for decrypting.
$zip->put_DecryptPassword('myPassword');

$success = $zip->OpenZip('encrypted.zip');
if ($success == false) {
    print $zip->lastErrorText() . "\n";
    exit;
}

// Locate the file within the Zip to be unzipped into a string variable:
$entry = new CkZipEntry();
$success = $zip->EntryMatching('*.csv',$entry);
if ($success == false) {
    print $zip->lastErrorText() . "\n";
    exit;
}

// lineEndingBehavior:
// 0 = leave unchanged.
// 1 = convert all to bare LF's
// 2 = convert all to CRLF's
$lineEndingBehavior = 0;
$srcCharset = 'utf-8';

$strCsv = $entry->unzipToString($lineEndingBehavior,$srcCharset);
print $strCsv . "\n";

?>