"; echo "Volumen: " . volEins(br: 1.6, ho: 4, lg: 3) . "
"; echo "Volumen: " . volEins(3, ho: 4, br: 1.6) . "

"; function volZwei($lg, $br=1, $ho=1) { return $lg * $br * $ho; } echo "Volumen: " . volZwei(3, ho: 0.5) . "
"; echo "Volumen: " . volZwei(ho: 0.5, lg: 3) . "
"; ?>