title: Undefined function with mysql_escape
body: <p>I revieving the following error when trying use mysql_real_escape() function</p>
  
  <p><code>Fatal error: Call to undefined function mysql_real_escape() in /var/www/registration/index.php on line 169.</code> </p>
  
  <p>What is wrong???</p>
  
  <pre><code>$result = mysql_send("INSERT customers  SET
                                  user= $username, 
                                  pword= $pass1, 
                   //line169      firstname='".mysql_real_escape($firstname)."', 
                                  lastname='".mysql_real_escape($lastname)."', 
                                  email='".mysql_real_escape($email)."', 
                                  active='No', 
                                  activecode= $activecode, 
                                  dateofbirth='".mysql_real_escape($dateofbirth)."', 
                                  gender='".mysql_real_escape($gender)."', 
                                  title='".mysql_real_escape($title)."', 
                                  occupation='".mysql_real_escape($occupation)."', 
                                  address='".mysql_real_escape($address)."', 
                                  city='".mysql_real_escape($city)."', 
                                  country='".mysql_real_escape($country)."', 
                                  zip='".mysql_real_escape($zip)."', 
                                  mobile='".mysql_real_escape($mobile)."', 
                                  telephone='".mysql_real_escape($telephone)."', 
                                  fax='".mysql_real_escape($fax)."', 
  
                                  website='".mysql_real_escape($website)."'
                      ");
  </code></pre>