/**
* Helper method dealing with the fact we can not just fetch the output of flexible_table
*
* @param flexible_table $table The table to render
* @param int $rowsperpage How many assignments to render in a page
* @param bool $displaylinks - Whether to render links in the table
* (e.g. downloads would not enable this)
* @return string HTML
*/
protected function flexible_table(flexible_table $table, $rowsperpage, $displaylinks)
{
$o = '';
ob_start();
$table->out($rowsperpage, $displaylinks);
$o = ob_get_contents();
ob_end_clean();
return $o;
}