test gist code snippet

readfile_chunked.php

<?php
private function readfile_chunked($root, $filename){
	$handle = fopen($root.$filename, 'rb');
	if($handle === false){
		return false;
	}
	
	// How many bytes per chunk.
	// At each time, the server will read and send the data to client site chunk by chunk.
	// It helps us to save memory usage.
	$chunksize = 1*(1024*1024);
	while (!feof($handle)) {
		$buffer = fread($handle, $chunksize);
		print $buffer;
	}
		
	return fclose($handle);
}