Why.php

<?php

$arr = ['Hello world'];

var_dump($arr[false]);

if (0 == false) {
    echo "0 double equals false\n";
}

$arr2 = [
    0 => 'Excuse me',
    1 => 'What the fuck',
    false => 'NotLikeThis',
    true => 'ButWhyTho',
    'Moo' => "I'm a cow.",
    '' => 'wtf',
    null => 'wat.',
];
var_dump($arr2);