What potential challenges or complexities may arise when working with file compression in PHP?

One potential challenge when working with file compression in PHP is ensuring compatibility with different compression algorithms and formats. To address this, you can use PHP's built-in functions like `gzcompress()` and `gzuncompress()` which support gzip compression. 

// Compress a file using gzip compression
$fileContent = file_get_contents('example.txt');
$compressedContent = gzcompress($fileContent);

file_put_contents('example.txt.gz', $compressedContent);

// Decompress a gzip compressed file
$compressedContent = file_get_contents('example.txt.gz');
$decompressedContent = gzuncompress($compressedContent);

file_put_contents('example_decompressed.txt', $decompressedContent);

Keywords

file compression PHP zlib gzip error handling

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