Tips for using the PHP ZipArchive extension: from zero to expert

ZipArcHive Extension Overview

PHP ZipArchive extension is a powerful tool that can easily create, read and update ZIP files. This article by PHP editor Strawberry introduces you to the secrets of using ZipArchive extension in detail, from basic ZIP file operations to advanced techniques, leading you to start from scratch and quickly become an expert in ZIP file processing. Whether you are compressing or decompressing files, you can find the answer in this article, allowing you to easily master the powerful functions of ZipArchive extension and improve development efficiency.

Create ZIP file

To create a ZIP file, you first need to create a ZipArchive object:

$zip = new ZipArchive();

Then, use the addFile() method to add the file to the ZIP file:

$zip->addFile("file.txt");

Finally, use the close() method to close the ZIP file:

$zip->close();

Read ZIP file

To read a ZIP file, use the open() method to open the ZIP file:

$zip = new ZipArchive();
$zip->open("file.zip");

You can get the file at the specified index in the ZIP file through the getFromIndex() method:

$file = $zip->getFromIndex(0);

The file content can be obtained through the getData() method:

$content = $zip->getData($file);

Update ZIP file

To update a ZIP file, you first need to open the ZIP file using the open() method:

$zip = new ZipArchive();
$zip->open("file.zip");

Then, use the addFile() method to add the new file to the ZIP file:

$zip->addFile("new_file.txt");

Finally, use the close() method to close the ZIP file:

$zip->close();

Delete files in ZIP file

To delete files in a ZIP file, you first need to open the ZIP file using the open() method:

$zip = new ZipArchive();
$zip->open("file.zip");

Then, use the deleteIndex() method to delete the file at the specified index:

$zip->deleteIndex(0);

Finally, use the close() method to close the ZIP file:

$zip->close();

Demo code

The following is a complete sample code that demonstrates how to use the ZipArchive extension to create, read and update ZIP files:

open("file.zip", ZipArchive::CREATE);
$zip->addFile("file.txt");
$zip->close();

// 读取 ZIP 文件
$zip = new ZipArchive();
$zip->open("file.zip");
$file = $zip->getFromIndex(0);
$content = $zip->getData($file);
$zip->close();

// 更新 ZIP 文件
$zip = new ZipArchive();
$zip->open("file.zip");
$zip->addFile("new_file.txt");
$zip->close();

?>

in conclusion

The ZipArchive extension is a powerful tool for working with ZIP files. By mastering the functions and techniques introduced in this article, developers can effectively create, read, and update ZIP files to meet various file operation needs. From beginners to experts, the ZipArchive extension provides a comprehensive solution that allows developers to manage ZIP files with ease.

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