PHP Bugs: Undefined Indexes and More Misspellings (Proof 5)

php_bugs_2_5.php

<?php
// Simple array of mixed keys and values
$arr = array(
             0         => 'First',
             1         => 'Second',
             'Alpha'   => 'Greek',
             'FUN'     => true,
             '00'      => 'Last',
             0.328932  => 'test float',
             32892.232 => 'test float 2'
            );
$keys = array_keys($arr);
foreach ($keys as $key) {
  echo "{$key} is " . gettype($key) . " => {$arr[$key]}\n";
}

// Output:
// 0 is integer => test float
// 1 is integer => Second
// Alpha is string => Greek
// FUN is string => 1
// 00 is string => Last
// 32892 is integer => test float 2