[php] (bug-fix:minor) Syntax error in variable name: '$this0' -> '$this'
[php] (bug-fix:minor) Syntax error in variable name: missing '$this' before 'cursorClosed'
[php] (bug-fix:major) Syntax error: wrong use of operator '.' instead of '->'
[php] (change:minor) Removed use of 'session_register' function.
[php] (bug-fix:minor) Array index 'proxy' was not initialized
[php] (change:minor) Added safety checks/initializations for unset or null variables. Also, replaced use of 'unregister_session' with 'unset($_SESSION[...])'.