Online PHP editor | refs for FaYkO

<?php $hasil = 12; $kecewa = array(0,11,12); $biasa = array(11,12,17); $puas = array(12,17,20); $kb = array_intersect($kecewa, $biasa); print_r($kb); if ( $hasil <= $kb ) { // hitung nilai kecewa pake rumus fuzzy logic $muKecewa = ($kb[2] - $hasil) / ($kb[2] - $kb[1]); //output : 52,5 $muBiasa = ($hasil - $kb[1]) / ($kb[2] - $kb[1]); echo $muKecewa; } else { echo "false"; }