Código PHP:
$selectEmail = mysql_query("SELECT email FROM emails WHERE grupoid = '2' AND estado = '1' LIMIT 100");
while($rowEmails = mysql_fetch_array($selectEmail)){
$mail .= $rowEmails['email'].",";
}
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in C:\AppServ\www\carpeta\final\functions.php on line 37
La tabla emails es de la siguiente manera:
id int(11)
email varchar(255)
grupoid int(11)
estado int(1)
alguna idea??