- array_map: documentation ( source)
- print_r: documentation ( source)
- strtoupper: documentation ( source)
<?php
function make_uppercase(&$word) {
$word = strtoupper ($word);
return $word;
}
$fish = array (
"hampala ampalong",
"hampala macrolipedota"
);
print_r ( array_map ("make_uppercase", $fish) );