Hi! Could we please enable some services and cookies to improve your experience and our website?
Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$arrNum = [2, 5, 6, 6, 8];
$arrNumDouble = array_map(
function($el) {
return [$el, 2*$el];
},
$arrNum
);
#var_export($arrNumDouble);
foreach($arrNumDouble as $el) {
echo "$el[0] = $el[1]" . PHP_EOL;
}