- array_intersect: documentation ( source)
- print_r: documentation ( source)
<?php
$hasil = 52.5;
$biasa = array(0,40,65);
$puas = array(40,65,80);
$istimewa = array(65,80,100);
$kb = array_intersect($biasa, $puas);
print_r($kb);
if ( $hasil <= $kb )
{
// hitung nilai kecewa pake rumus fuzzy logic
$muKecewa = $kb[1] - $hasil / ($kb[2] - $kb[1]); //output : 52,5
$muBiasa = $hasil - $kb[1] / $kb[2] - $kb[1];
echo $muKecewa;
}
else
{
echo "false";
}