- array_intersect: documentation ( source)
- print_r: documentation ( source)
<?php
$hasil = 52.5;
$array1 = array(0,40,65);
$array2 = array(40,65,80);
$array3 = array(65,80,100);
$result = array_intersect($array2, $array3);
print_r($result);
if ($hasil <= $result ){ echo "true"; }else{echo "false";}