{
// check if selected profile is used by any user
if ($name=='') return 0; // cannot delete system default profile
- $sql = "SELECT * FROM ".TB_PREF."users WHERE print_profile=".db_escape($name);
- $res = db_query($sql,'cannot check printing profile usage');
- return db_num_rows($res);
+ return key_in_foreign_table($name, 'users', 'print_profile');
}
//-------------------------------------------------------------------------------------------
if ( get_post('submit'))