Indexed array without key

Indexed-array-without-key.php

<?php

//Indexed arrays without key

$array = array("foo", "bar", "hallo", "world");
var_dump($array);

/*
Will output the following:

array(4) {
[0]=>
string(3) "foo"
[1]=>
string(3) "bar"
[2]=>
string(5) "hallo"
[3]=>
string(5) "world"
}

*/

?>

// as of PHP 5.4
$array = [
"foo" => "bar",
"bar" => "foo",
];