Are there any specific PHP functions or libraries that are recommended for handling file streaming efficiently?

When handling file streaming in PHP, it is important to use functions and libraries that are efficient and optimized for this purpose. One recommended function for efficient file streaming is `fpassthru()`, which reads from the current position in a file pointer to the end of the file and outputs the result. Additionally, the `stream_copy_to_stream()` function can be used to copy data from one stream to another efficiently. 

// Using fpassthru() for efficient file streaming
$filename = 'example.txt';
$handle = fopen($filename, 'rb');

if ($handle) {
    header('Content-Type: application/octet-stream');
    header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
    
    fpassthru($handle);
    fclose($handle);
}

Keywords

PHP file streaming functions libraries efficiency

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