- array_map: documentation ( source)
- print_r: documentation ( source)
<?php
$a = array(1, 2, 3, 4, 5);
$b = array("uno", "dos", "tres", "cuatro", "cinco");
$rolesTab = array_map(function ($n, $m){
return(array($n => $m));
}, $a, $b);
print_r($rolesTab);