- var_dump: documentation ( source)
- array_diff: documentation ( source)
- pow: documentation ( source)
- range: documentation ( source)
<?php
$a = range(-10, 10);
$b = range(-10, 10, 0.5);
$opResults = [];
$funcResults = [];
foreach($a as $_a) {
foreach($b as $_b) {
$opResults[] = $_a ** $_b;
$funcResults[] = pow($_a, $_b);
}
}
var_dump($opResults == $funcResults, array_diff($opResults, $funcResults));