Knowledge Base Contributions

Below is a list of the knowledge base entries that markus dinter has contributed to:

• I can't use the $REMOTE_ADDR variable: it just shows a 0. But in <?phpinfo();?> it shows up properly
  

• Does anyone know where I can find a list of supported databases? Please
  

• How do I save form data to a file, as with perl cgi.pm query->save(FILE) ?