Call to a member function mark() on a non-object in /public_html/index.php

SELECT * FROM #__projects ORDER BY name

-- yields all projects irrespective of which user is logged in

SELECT * FROM #__projects WHERE user_id=<logged_in_user> ORDER BY name

• Joomla! CMS 2.5.x

• INT Forces the value to be an Integer
  
  
• UINT Forces the value to be an absolute number (-4.2 becomes 4.2)
  
  
• FLOAT Forces the value to be a floating point value
  
  
• BOOL Forces the value to be true or false
  
  
• WORD Strips anything that is not letters (including numbers)
  
  
• ALNUM Forces the value to be alphanumeric (Letters and numbers only. No special characters)
  
  
• CMD Forces the value to be alphanumeric plus the following three special characters _ (underscore) . (dot) - (dash)
  
  
• BASE64 Forces the value to be a base64 encoded the string. Note it does not encode the string, it simply strips characters that may not exist in a base 64 encoded string.
  
  
• STRING Removes HTML
  
  
• HTML Allows basic HTML
  
  
• ARRAY Forces value to be an array
  
  
• PATH Forces value to be a file path
  
  
• USERNAME Forces value to only contain characters allowed in the selection of a Joomla username
  
  
• UNSET Completely remove any input
  
  
• RAW Allow any content
  
  
• URL Forces content to be a URL
  
  
• TEL Forces content to be a properly formatted US phone number

1. Open the database to the Joomla 1.5.x website
2. Browse the table "jos_components" (or "#__components" where "#_" is the site table prefix. default is "jos").
3. Open the row where name="User Manager"
4. Set the value under params for AllowUserRegistration
   • allowUserRegistration=0 to disable it.
   • allowUserRegistration=1 to enable it.