<?php

$j = '{"bairro": "Jangurussu", "logradouro": "Rua 22", "cep": "60876470", "uf": "CE", "localidade": "Fortaleza"}';
$json_str = json_decode($j, true);
foreach ($json_str as $key => $value) {
    echo "$key: $value\n";
}