mixed
     PHP_CompatInfo::getFunctions
     ( 
    mixed $file
      = false
    
   )
Returns the latest parse data source functions declared (internal or end-user defined)
$file
     (optional) A specific filename or not (FALSE)
returns Null on error or if there were no previous data parsing
throws no exceptions thrown
since version 1.9.0b1 (2008-11-30)
This function can not be called statically.
See PHP_CompatInfo::getVersion() example.