The Power of PHP ZipArchive Extension: Revealing Its Extraordinary Capabilities

The Power of PHP ZipArchive Extension: Revealing Its Extraordinary Capabilities PHP editor Yuzai takes you to explore the powerful functions of ZipArchive extension. ZipArchive not only provides an easy way to compress and decompress files, but also supports a variety of advanced functions such as encryption and folder operations. This article will introduce in detail how to use the ZipArchive extension to implement file compression, decompression and other operations in PHP, helping you make better use of this powerful extension.

PHP ZipArcHive extension provides rich functionality to create, extract and modify ZIP archives. It is an object-oriented extension that provides an intuitive api that makes operating archives a breeze.

2. Create ZIP archive

To create a ZIP archive, use the ZipArchive::open() method. It accepts an archive filename as a parameter and will create a new ZIP archive or open an existing archive.

$zip = new ZipArchive();
if ($zip->open("archive.zip", ZipArchive::CREATE) === TRUE) {
// 添加文件到存档
}

3. Add files

Files can be added to the archive using the ZipArchive::addFile() method. It adds files to the archive from the given source path.

$zip->addFile("file1.txt", "path/to/file1.txt");

4. Extract files

To extract files from an archive, use the ZipArchive::extractTo() method. It extracts files from the archive into the specified target directory.

$zip->extractTo("target_directory");

5. Browse archived content

You can use the ZipArchive::getNameIndex() method to get the name index of the file in the archive. It returns an array of filenames.

$files = $zip->getNameIndex();

6. Read file content

To read the file contents from the archive, use the ZipArchive::getFromName() method. It returns the contents of the specified file as a string.

$content = $zip->getFromName("file1.txt");

7. Modify archive

The ZipArchive extension allows you to modify existing archives. You can rename files using the ZipArchive::renameIndex() method and delete files using the ZipArchive::deleteIndex() method.

// 重命名文件
$zip->renameIndex(0, "new_name.txt");

// 删除文件
$zip->deleteIndex(1);

8. Usage examples

The following is an example that demonstrates how to use the ZipArchive extension:

open("archive.zip", ZipArchive::CREATE) === TRUE) {
$zip->addFile("file1.txt", "path/to/file1.txt");
$zip->addFile("file2.txt", "path/to/file2.txt");
$zip->close();
}

$zip = new ZipArchive();
if ($zip->open("archive.zip") === TRUE) {
$zip->extractTo("target_directory");
$zip->close();
}
?>

in conclusion

The PHP ZipArchive extension provides powerful and flexible tools for manipulating ZIP archives. It enables you to easily create, decompress, browse and modify archives, making it a valuable resource for various tasks such as backup, file transfer and data extraction. By understanding its capabilities, you can make the most of this extension to simplify your archive management tasks.

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