Is $_SERVER variable an array?

Answer 1

If you look at the code for the various elements, $_SERVER[element], you'll see that it returns different responses.

Note that when you have an array, when you want to pull a value you write it as follows array[0], for the first item.

It looks like $_SERVER is an associative array. So let's say you had an array with a name and age.

$Person = array(
"name" => "Joe",
"age" => 35
);

To set the age of person, you can do:

$personAge = $Person["age"];

So similarly:

$_SERVER = array(
"PHP_SELF" => "someFile.php",
"SERVER_ADDR" => "10.0.0.1",
....
);

And then to get the page you are running currently,

$pageNow = $_SERVER["PHP_SELF"];
echo $pageNow;

Answer 2

Yes .associative array