PHP mail: Multiple recipients?

I have this code:

<?php
include("db.php");

$result = mysql_query("SELECT * FROM email");

while($row = mysql_fetch_array($result))
{
$to = $row['address'];
}
$subject = "Test mail";
$message = "Hello! This is a simple email message.";
$from = "[email protected]";
$headers = "From:" . $from;
mail($to,$subject,$message,$headers);
?>

In my table ("email") I have multiple addresses. (They are not comma sepparated.) How could I send my message to all of those addresses?

while($row = mysql_fetch_array($result))
{
    $addresses[] = $row['address'];
}
$to = implode(", ", $addresses);

As specified on the mail() manual page, the "to" parameter of the function can take a comma-separated list of addresses.

Separate the addresses with commas.

$to=array();
while($row = mysql_fetch_array($result)) {
    array_push($to, $row['address']);
}

...

mail(implode(',', $to), $submit, $message, $headers);

I just tested the codes you presented and before using them, people need to know that using this way (multiple addresses in 'to' field), every single person in that email can see all the destinatars.

Also, if you're using Bcc, they'll also know the first person in the list.

Be aware! :)