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