Are there any best practices to optimize file copying performance in PHP?

To optimize file copying performance in PHP, you can use the `stream_copy_to_stream` function instead of `file_get_contents` and `file_put_contents` as it is more memory efficient and faster for large files. Additionally, you can increase the buffer size to improve performance further. 

$source = fopen('source.txt', 'r');
$destination = fopen('destination.txt', 'w');

stream_copy_to_stream($source, $destination, 8192); // 8192 is the buffer size

fclose($source);
fclose($destination);

Keywords

file copying performance optimization PHP functions libraries

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