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CXLIX. Zip File Functions (Read Only Access)

Introduction

This module enables you to transparently read ZIP compressed archives and the files inside them.

Requirements

This module uses the functions of the ZZIPlib library by Guido Draheim. You need ZZIPlib version >= 0.10.6.

Note that ZZIPlib only provides a subset of functions provided in a full implementation of the ZIP compression algorithm and can only read ZIP file archives. A normal ZIP utility is needed to create the ZIP file archives read by this library.

Installation

This PECL extension is not bundled with PHP. Additional information such as new releases, downloads, source files, maintainer information, and a CHANGELOG, can be located here: http://pecl.php.net/package/zip.

In PHP 4 this PECL extensions source can be found in the ext/ directory within the PHP source or at the PECL link above. In order to use these functions you must compile PHP with zip support by using the --with-zip[=DIR] configure option.

Windows users will enable php_zip.dll inside of php.ini in order to use these functions. In PHP 4 this DLL resides in the extensions/ directory within the PHP Windows binaries download. You may download this PECL extension DLL from the PHP Downloads page or at http://snaps.php.net/.

Note: Zip support before PHP 4.1.0 is experimental. This section reflects the Zip extension as it exists in PHP 4.1.0 and later.

Runtime Configuration

This extension has no configuration directives defined in php.ini.

Resource Types

This extension has no resource types defined.

Predefined Constants

This extension has no constants defined.

Examples

This example opens a ZIP file archive, reads each file in the archive and prints out its contents. The test2.zip archive used in this example is one of the test archives in the ZZIPlib source distribution.

Example 1. Zip Usage Example


<?php

$zip = zip_open("/tmp/test2.zip");

if ($zip) {

    while ($zip_entry = zip_read($zip)) {
        echo "Name:               " . zip_entry_name($zip_entry) . "\n";
        echo "Actual Filesize:    " . zip_entry_filesize($zip_entry) . "\n";
        echo "Compressed Size:    " . zip_entry_compressedsize($zip_entry) . "\n";
        echo "Compression Method: " . zip_entry_compressionmethod($zip_entry) . "\n";

        if (zip_entry_open($zip, $zip_entry, "r")) {
            echo "File Contents:\n";
            $buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry));
            echo "$buf\n";

            zip_entry_close($zip_entry);
        }
        echo "\n";

    }

    zip_close($zip);

}

?>

Table of Contents
zip_close -- Close a ZIP file archive
zip_entry_close -- Close a directory entry
zip_entry_compressedsize -- Retrieve the compressed size of a directory entry
zip_entry_compressionmethod -- Retrieve the compression method of a directory entry
zip_entry_filesize -- Retrieve the actual file size of a directory entry
zip_entry_name -- Retrieve the name of a directory entry
zip_entry_open -- Open a directory entry for reading
zip_entry_read -- Read from an open directory entry
zip_open -- Open a ZIP file archive
zip_read -- Read next entry in a ZIP file archive

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