Busca CEP Correios 2016 - PHP

busca_cep_correios_2016.php

$fo = fopen("cep.html", "w+");
$url = "http://wxww.buscacep.correios.com.br/sistemas/buscacep/resultadoBuscaEndereco.cfm";
$cep = "03712000";

set_time_limit(0);
$process = curl_init(str_replace(" ", "%20", $url));
curl_setopt($process, CURLOPT_HTTPHEADER, array('application/x-www-form-urlencoded'));
curl_setopt($process, CURLOPT_POST, TRUE);
curl_setopt($process, CURLOPT_POSTFIELDS, "CEP=" . $cep . "");
curl_setopt($process, CURLOPT_RETURNTRANSFER, TRUE);

$return = curl_exec($process);
fwrite($fo, $return);

$dom = new DOMDocument;
$dom->loadHTMLFile('cep.html');
$cells = $dom->getElementsByTagName('td');
foreach ($cells as $cell) {
    echo $cell->nodeValue, PHP_EOL;
}