- var_dump: documentation ( source)
- pow: documentation ( source)
- range: documentation ( source)
<?php
$fo = 0;
var_dump($fo *= 5);
$a = range(-2, 2);
$b = range(-2, 2, 0.5);
$opResults = [];
$funcResults = [];
$results = [];
$t = true;
foreach($a as $_a) {
foreach($b as $_b) {
$opResults[] = $_a ** $_b;
$funcResults[] = pow($_a, $_b);
if( $_a ** $_b !== pow($_a, $_b)) {
var_dump(['**' => $_a ** $_b, 'pow()' => pow($_a, $_b)]);
}
}
}
var_dump($opResults === $funcResults);