Código PHP:
<?PHP
$url = 'archivo.txt';
$body = 'FDW=programacion&PHP=f18';
$options = array('method' => 'POST', 'content' => $body);
$context = stream_context_create(array('http' => $options));
$page = file_get_contents($url, false, $context);
//echo $page;
$campos = array('código', 'nombre', 'domicilio', 'telefono');
$c = 0;
foreach($page as $v){
$datos=explode(";",$v);
foreach($datos as $dato){
echo $campos[$c].": ".$dato."<br />";
$c++;
}
$c = 0;
echo "<p />";
}
?>
me sale
Warning: Invalid argument supplied for foreach()