Online PHP editor | refs for fmopv

<?php function delta(float $a, float $b, float $c): float { return ($b^2) - (4*$a*$c); } echo "Delta wynosi: ".delta(1,25,3) . "\n"; function msc_zerowe(float $a, float $b, float $c): float { return (-$b-sqrt(delta($a, $b, $c)))/2*$a; } echo "Miejsce zerowe wynosi: ".msc_zerowe(1, 25, 3);