[RESOLVED] Help with arrays

[jkarr]

Does anyone know a good array's tutorial? Or can someone tell me the code I need for this:

I have a list of e-mail addresses in a selection box (dynamically creatd from a table). Currently the user chooses an e-mail address and sends an e-mail to the appropriate person. How can I make it where they select multiple addresses and send them, I tried just adding the word multiple and of course that didn't work. Do I need to have an array created based on the selection of the box?

I just don't know how to do this, a finger in the right direction would really be nice.

Thanks,
Johnie Karr

[crazychris]

name the checkboxes/list like this:

<select name="email[]" ....
<option value="[e-mail]"...
<option value="[e-mail]"...

and the selected values (email addresses) will be returned to PHP as an array in the $_POST['email'] variable.

[jkarr]

Just adding the []...wow..I'll give that a shot.

Thanks CrazyChris

[jkarr]

for testing, I'm using the word Echo instead of emailing people.

I added the [] and it just echo's the word Array.

I am using:
<select name="mailchoice[]" id="mailchoice[]" multiple size="10">

Any thoughts?

[crazychris]

don't put the [] on the id, just the name, not that it would make much of a difference, but yep, that's the way.

You can also use checkboxes for the values:

<input type="checkbox" name="email[]" value="[e-mail]"> BOB
<input type="checkbox" name="email[]" value="[e-mail]"> JANE

[crazychris]

use print_r($_POST['email']) to see the structure of the returned data.

[jkarr]

Array ( [0] => [e-mail] [1] => [e-mail] [2] => [e-mail] [3] => [e-mail] )

That's what the print_r displays, so now that brings me to another question..how do I get these e-mail addresses inserted into the mail() function. Can I just use that print_r?

Thanks again

[crazychris]

Use a bit of code like :

foreach ($_POST['email'] as $address) {
  print $address;
}

[jkarr]

Thanks,

I'll post my results...youre awesome!

[jkarr]

No dice,

I must be doing it wrong:

foreach ($_POST['mailchoice'] as $address) { 
mail($address, $subject, $body, "From: $sitename1 <$Email>\nX-Mailer: PHP/" . phpversion());
} 
print_r($_POST['mailchoice']);

Output is:
Warning: mail() expects parameter 1 to be string, array given in /home/datamt/public_html/15517/blah2.php on line 51

Warning: mail() expects parameter 1 to be string, array given in /home/datamt/public_html/15517/blah2.php on line 51
Array ( [0] => [e-mail] [1] => [e-mail] )

[jkarr]

I just did print $address before the mail() line and it is defining $address as 'Array'

[jkarr]

I think I figured it out.

instead of:

foreach ($_POST['mailchoice'] as $address) {

I need

foreach ($_POST['mailchoice'] as $key => $address) {

Don't ask me why this works better, I have no idea about these things, I just remembered seeing that on a turtorial and looked it up.

Thanks for all your help,
Johnie

[crazychris]

This part should work fine

foreach ($_POST['mailchoice'] as $address) { 
     mail($address, $subject, $body, "From: $sitename1 <$Email>\nX-Mailer: PHP/" . phpversion());
} 

if before you run that, the variable dump of

print_r($_POST['mailchoice']);

returns an array of

Array ( [0] => [e-mail] [1] => [e-mail] )

Put the print_r() before the foreach() and see if the array is properly formed before it's used...