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Posted by Jochem Maas on 09/28/74 11:08
Dave wrote:
> PHP General,
>
> The Situation:
> I'm retrieving some email addresses from a database. I want to be
> able assemble all the addresses into one string that I can use in the
> mail() command. At no time should there ever be more than about 5 email
> addresses collected from the database. I want all addresses to appear in
> the "To:" field so everyone receiving the email will know who else has a
> copy.
>
> The Problem:
> I can't quite figure out how to take the results of the mysql_query()
> and assemble them into a string. In my experiments so far, I either get
> a "mysql_data_seek(): Offset 0 is invalid for MySQL result index" error,
> or my mail function sends to a blank address.
>
> What I've Tried So Far:
> My own code is obviously flawed in syntax in logic, so I searched the
> manual and this list's archives under the terms "array", "concatenate",
> "convert", "append" and "string" in various combinations. However, while
> I learned some interesting tips on a variety of topics, I suspect I'm
> missing some essential description that will lead me to the command I need.
>
> The Question:
> How do I take the contents of an array and turn them into a single
> string?
>
> For Reference:
> Here is the code I have. I know it's flawed, but hopefully it will
> give an indication of what I'm trying to achieve:
> --code--
> $tantoQuery = "SELECT forum_members.emailAddress AS email FROM
> forum_members, event_tanto WHERE forum_members.ID_MEMBER =
> event_tanto.tanto AND event_tanto.event ='" . $show . "'";
>
> $tantoResult = mysql_query($tantoQuery);
>
> while ($tantoData = mysql_fetch_array($tantoResult))
> {
> $tantoEmail = $tantoEmail . "," . $tantoData;
> }
$tantoData is an array so you can't just concat it into a string.
change the body of the while loop to something like:
if (!isset($tantoEmail)) {
$tantoEmail = $tantoData['email'];
} else {
$tantoEmail .= "," . $tantoData['email'];
}
or do something like....
$tantoEmail = array();
while ($tantoData = mysql_fetch_array($tantoResult)) {
$tantoEmail[] = $tantoData['email'];
}
if ($tantoEmail = join(',',$tantoEmail)) {
mail($tantoEmail, $subject, $mailcontent, $addHeaders);
}
>
> mail($tantoEmail, $subject, $mailcontent, $addHeaders);
> --code--
>
> Any help would be much appreciated.
>
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