Case-insensitive Array access in PHP

[highlight lang=php]
<?php

class caseInsensitiveArray implements ArrayAccess { private $items = array();

public function offsetExists($key) { return isset($this->items[strtolower($key)]); } public function offsetGet($key) { return $this->items[strtolower($key)]; } public function offsetSet($key, $value) { $this->items[strtolower($key)] = $value; } public function offsetUnset($key) { $v = $this->items[strtolower($key)]; unset($this->items[strtolower($key)]); return $v; } }

$a = new caseInsensitiveArray();
$a[‘foo’] = ‘bar’;
var_dump($a[‘FoO’]);

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