3v4l.org

run code in 300+ PHP versions simultaneously
<?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);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
Delta wynosi: 15 Miejsce zerowe wynosi: -14.436491673104
preferences:
71.61 ms | 407 KiB | 5 Q