Not understanding foreach()

I know the root of my problem is not understanding foreach(), but I don't see why this wouldn't work:
$mbox = imap_open($ServerName, $UserName,$PassWord) or die("Could not open Mailbox - try again later!"); 
	$body_att=extract_attachments($mbox, 10);
	foreach($body_att as $single_att)
	{
		//var_dump($single_att);
		$x= $single_att->filename;
		echo "Filename: $x<P>";
	}

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hrolsonsAsked:
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hrolsonsConnect With a Mentor Author Commented:
I figured it out:
	foreach($body_att as $single_att)
	{
		//var_dump($single_att);
		$x= $single_att['filename'];
		echo "Filename: $x<P>";
	}

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hrolsonsAuthor Commented:
Sorry, you might need this:
function extract_attachments($connection, $message_number) {
   
    $attachments = array();
    $structure = imap_fetchstructure($connection, $message_number);
   
    if(isset($structure->parts) && count($structure->parts)) {
   
        for($i = 0; $i < count($structure->parts); $i++) {
   
            $attachments[$i] = array(
                'is_attachment' => false,
                'filename' => '',
                'name' => '',
                'attachment' => ''
            );
           
            if($structure->parts[$i]->ifdparameters) {
                foreach($structure->parts[$i]->dparameters as $object) {
                    if(strtolower($object->attribute) == 'filename') {
                        $attachments[$i]['is_attachment'] = true;
                        $attachments[$i]['filename'] = $object->value;
                    }
                }
            }
           
            if($structure->parts[$i]->ifparameters) {
                foreach($structure->parts[$i]->parameters as $object) {
                    if(strtolower($object->attribute) == 'name') {
                        $attachments[$i]['is_attachment'] = true;
                        $attachments[$i]['name'] = $object->value;
                    }
                }
            }
           
            if($attachments[$i]['is_attachment']) {
                $attachments[$i]['attachment'] = imap_fetchbody($connection, $message_number, $i+1);
                if($structure->parts[$i]->encoding == 3) { // 3 = BASE64
                    $attachments[$i]['attachment'] = base64_decode($attachments[$i]['attachment']);
                }
                elseif($structure->parts[$i]->encoding == 4) { // 4 = QUOTED-PRINTABLE
                    $attachments[$i]['attachment'] = quoted_printable_decode($attachments[$i]['attachment']);
                }
            }
			//echo "$attachments[$i]['name']<br>";
           
        }
       
    }
   
    return $attachments;
   
}

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