How to achieve folder compression and decompression using PHP ZipArchive?

How to use PHP ZipArchive to compress and decompress folders?

Overview:
PHP provides the ZipArchive class, which can be used to compress and decompress folders. This article describes how to use the ZipArchive class to accomplish these operations and provides corresponding code examples.

1. Folder compression
Folder compression is the process of compressing a folder and the files it contains into a zip file. This operation can be easily accomplished using the ZipArchive class.

First, use the open method of the ZipArchive class to open a zip file. You can specify a file name or file path:

$zip = new ZipArchive();
$zip->open('path/to/archive.zip', ZipArchive::CREATE);

Then, use the addGlob method to add the files or folders that need to be compressed:

$zip->addGlob('path/to/files/*');

You can use the wildcard character "*" to match all files in the folder.

Finally, use the close method to close the zip file and complete the compression process:

$zip->close();

The complete code example is as follows:

$zip = new ZipArchive();
$zip->open('path/to/archive.zip', ZipArchive::CREATE);
$zip->addGlob('path/to/files/*');
$zip->close();

2. Folder decompression
Folder Decompression is the process of extracting a zip file to a specified directory. Again, this operation can be easily accomplished using the ZipArchive class.

First, use the open method of the ZipArchive class to open a zip file:

$zip = new ZipArchive();
$zip->open('path/to/archive.zip');

Then, use the extractTo method to extract the zip file to the specified directory:

$zip->extractTo('path/to/destination');

Finally , use the close method to close the zip file and complete the decompression process:

$zip->close();

The complete code example is as follows:

$zip = new ZipArchive();
$zip->open('path/to/archive.zip');
$zip->extractTo('path/to/destination');
$zip->close();

3. Error handling
Using the ZipArchive class for folder compression and decompression During the process, you may encounter some errors. You can use the getStatusString method to obtain error information and handle it accordingly as needed:

$zip = new ZipArchive();
if ($zip->open('path/to/archive.zip') === true) {
    $zip->extractTo('path/to/destination');
    $zip->close();
} else {
    echo 'Failed to open archive: ' . $zip->getStatusString();
}

Normally, you can debug and repair based on the error information returned by the getStatusString method.

Summary:
Folder compression and decompression operations can be easily implemented using the PHP ZipArchive class. Folder compression can be completed through the open, addGlob and close methods, and folder decompression can be completed through the open, extractTo and close methods. During use, you should pay attention to handling possible errors and debug and repair them appropriately.

The above are methods and examples of using PHP ZipArchive to compress and decompress folders. Hope this helps!

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