<?php
"chave1" => 1,
"chave2" => "dois",
"chave3" => false
);
$array["chave3"] = 7;
echo $array["chave3"];
PD9waHAKIAokYXJyYXkgPSBhcnJheSgKCSJjaGF2ZTEiID0+IDEsCgkiY2hhdmUyIiA9PiAiZG9pcyIsCgkiY2hhdmUzIiA9PiBmYWxzZQopOwoKJGFycmF5WyJjaGF2ZTMiXSA9IDc7CiAKZWNobyAkYXJyYXlbImNoYXZlMyJdOw==