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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