the same because PHP is a weakly typed language?
$names = array("Ack", "Danieal", "Mack");
echo $names["0"], $names[0];
Let"s look at the essence. The key is Integer
Type:
var_dump($names);
array(3) {
[0]=>
string(3) "Ack"
[1]=>
string(7) "Danieal"
[2]=>
string(4) "Mack"
}