";
 
// round to nearest odd value
echo(round(10.5,0,PHP_ROUND_HALF_ODD));
echo "
";
 
// round towards zero
echo(round(10.5,0,PHP_ROUND_HALF_DOWN));
echo "
";
 
// round away from zero
echo(round(10.5,0,PHP_ROUND_HALF_UP));
?>