question, save_file function with fwrite

[undefined]

Hi, I have a script here downloaded from the net. It works fine, I'm just not quite clear how it works.

function save_file($filename, $contents) {
    $i = 0;
    do {
        $handle = fopen($filename, "w+");
        $fout = fwrite($handle, $contents);
        fclose($handle);
        $i++;
    } while(filesize($filename) < 5 && $i < 5);
}

Can someone please explain the while() part? Why does it need a loop to save files? and what is the $i for?

any information would be greatly appreciated.

[lilleman]

Hi,

It seems like the function is used to make sure that the size of the file is at least five bytes. What it does is to write $content to the specified file as long as the filesize is less than five bytes. It will not write $content to the file more than five times. Personally, I think that the function is of no use unless you want to make sure that the size of the file exceeds five bytes.

Yours, Erik.