- var_dump: documentation ( source)
- pow: documentation ( source)
- range: documentation ( source)
<?php
$a = range(-2, 2);
$b = range(-2, 2, 0.5);
$opResults = [];
$funcResults = [];
$results = [];
foreach($a as $_a) {
foreach($b as $_b) {
$opResults[] = $_a ** $_b;
$funcResults[] = pow($_a, $_b);
$results[] = ['**' => $_a ** $_b, 'pow()' => pow($_a, $_b)];
}
}
var_dump($opResults === $funcResults, $results);