3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $hasil = 52.5; $kecewa = array(0,40,65); $biasa = array(40,65,80); $puas = array(65,80,100); $kb = array_intersect($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; echo " <br /> "; echo $muBiasa; } else { echo "false"; }
Output for 4.3.0 - 7.1.0
Array ( [1] => 40 [2] => 65 ) 0.5 <br /> 0.5