if ( preg_match("/[^a-z0-9-]/", $string1) )
Posted: Tue Apr 08, 2008 10:09 pm
Ikeep getting error invalid forum name no matter what i enter with pregmatch
Code: Select all
<?
if(isset($_POST['Submit']))
{
//valid string check
function isvalidstring($string1)
{
if ( preg_match("/[^a-z0-9-]/", $string1) )
return true;
else
return false;
}
//valid email check
function isemail($email)
{
// regx to test for valid e-mail adres
$regex = '^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]{2,})+$';
if (eregi($regex, $email)) return true;
else return false;
}
//hack prevention
$forum_name = mysql_real_escape_string($_POST['textForumName']);
$first_name = mysql_real_escape_string($_POST['textFirstName']);
$last_name = mysql_real_escape_string($_POST['textLastName']);
$email = mysql_real_escape_string($_POST['textEmail']);
$username = mysql_real_escape_string($_POST['textUserName']);
$pass = md5(mysql_real_escape_string($_POST['textPassword']));
//check if valid email address
if( isemail($email) == false)
$msg = 'Invalid Email..<br>';
//check if forum name not empty
if(empty($forum_name))
$msg .= 'Forum Name can not be blank..<br>';
//check if first name not empty
if(empty($first_name))
$msg .= 'First Name can not be blank..<br>';
//check if last name not empty
if(empty($last_name))
$msg .= 'Last Name can not be blank..<br>';
//check if password not blank
if(empty($pass))
$msg .= 'Password can not be blank..<br>';
//check if forum name is valid string
if(!isvalidstring($forum_name))
$msg .= 'Invalid Forum Name..<br>';
//if no errors
if(empty($msg))
{
//run query to check if forum name exist
$result = mysql_query("SELECT * FROM created_forums WHERE name='$forum_name'") or die(mysql_error());
//if forum name doesn't exist
if( mysql_num_rows($result) == 0)
{
include 'create_new_forum_data.php';
$reg = true;
}
else //if forum name exist
{
$msg = 'Forum Name allready taken..';
}
}
}
?>