function file_upload_max_size

Determines the maximum file upload size by querying the PHP settings.

Return value

A file size limit in bytes based on the PHP upload_max_filesize and post_max_size

Related topics

File

includes/file.inc, line 2267

Code

function file_upload_max_size() {
    static $max_size = -1;
    if ($max_size < 0) {
        // Start with post_max_size.
        $max_size = parse_size(ini_get('post_max_size'));
        // If upload_max_size is less, then reduce. Except if upload_max_size is
        // zero, which indicates no limit.
        $upload_max = parse_size(ini_get('upload_max_filesize'));
        if ($upload_max > 0 && $upload_max < $max_size) {
            $max_size = $upload_max;
        }
    }
    return $max_size;
}