in sample/UploadPart.php [77:107]
function generateFile($filename, $size)
{
if (
file_exists($filename) &&
$size == sprintf('%u', filesize($filename))
) {
return;
}
$part_size = 32;
$fp = fopen($filename, "w");
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
if ($fp) {
while ($size > 0) {
if ($size < $part_size) {
$write_size = $size;
} else {
$write_size = $part_size;
}
$size -= $write_size;
$a = $characters[rand(0, $charactersLength - 1)];
$content = str_repeat($a, $write_size);
$flag = fwrite($fp, $content);
if (!$flag) {
break;
}
}
}
fclose($fp);
}