$dictionary = new Dictionary([
  "key1" => "val1",
  "key2" => "val2",
  "key3" => null, 
]);

$dictionary->getValue("key1"); // "val1"
$dictionary->getValue("key3"); // null
$dictionary->getValue("key4"); // null

$dictionary["key1"]; // "val1"
$dictionary["key3"]; // null
$dictionary["key4"]; // null

$dict->defined("key1")); // true
$dict->defined("key3")); // false
$dict->defined("key4")); // false

$dict->keyPresents("key3")); // true
$dict->keyPresents("key4")); // false

Installation

Use the Composer to install Dictionary

cd path/to/your/project/
composer require atk14/dictionary

Licence

Dictionary is free software distributed under the terms of the MIT license