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PharFileInfo is a class in PHP that provides methods to work with files within a Phar archive, which is a PHP-specific file format used for bundling PHP applications and libraries.

This class allows you to obtain information about the files within a Phar archive, such as the file name, size, and modification time. You can also retrieve file-specific metadata, such as whether the file is a directory or a regular file, and check if the file is readable and writable.

To use the PharFileInfo class, you need to create an instance of it by passing the file path or a Phar entry (from the PharData or Phar classes) as a parameter to the constructor.

Here is an example of how you can use the PharFileInfo class:

php
$phar = new Phar('/path/to/archive.phar');
$file = 'example/file.txt';
$pharFileInfo = new PharFileInfo($file);

// Get the file name
$fileName = $pharFileInfo->getFileName();
echo "File name: $fileName\n";

// Get the file size
$fileSize = $pharFileInfo->getSize();
echo "File size: $fileSize bytes\n";

// Check if the file is a directory
$isDirectory = $pharFileInfo->isDir();
echo "Is directory? " . ($isDirectory ? 'Yes' : 'No') . "\n";

// Check if the file is readable
$isReadable = $pharFileInfo->isReadable();
echo "Is readable? " . ($isReadable ? 'Yes' : 'No') . "\n";

// Check if the file is writable
$isWritable = $pharFileInfo->isWritable();
echo "Is writable? " . ($isWritable ? 'Yes' : 'No') . "\n";


In this example, we create a Phar archive instance, archive.phar, and create a PharFileInfo instance for the file example/file.txt. We then use various methods of PharFileInfo to retrieve information about the file, such as its name, size, and file type.

Note that the PharFileInfo class is part of the Phar extension in PHP, so make sure you have the extension enabled in your PHP installation.