function new_users($name, $last_name){
global $user;
$fullname = ['name' => $name, 'last_name' => $last_name];
$user[] = $fullname;
echo "\n";
var_dump($user);
}Array ( [a] => green [0] => red )
while ($myrow_index = mysqli_fetch_array($result_index)) {
...
}SELECT * FROM example1 e1 RIGHT JOIN example2 e2 ON e1.key = e2.keySELECT `competition_name`, `world_record` FROM `competition` WHERE `set_date` = '2010-05-12' OR `set_date` = '2010-05-17'