original_string: public function filterRequest($variableName) {
          if(!is_string($variableName)) {
              throw new \Exception('Variable name expected as string');
          }
          
          if(!isset($_REQUEST[$variableName])) {
              return null;
          }
          
          return $this->filter($_REQUEST[$variableName]);
      }
code: public function filterRequest($variableName) {
          if(!is_string($variableName)) {
              throw new \Exception('Variable name expected as string');
          }
          
          if(!isset($_REQUEST[$variableName])) {
              return null;
          }
          
          return $this->filter($_REQUEST[$variableName]);
      }
code_tokens: public function filterRequest ( $ variableName ) { if ( ! is_string ( $ variableName ) ) { throw new \ Exception ( 'Variable name expected as string' ) ; } if ( ! isset ( $ _REQUEST [ $ variableName ] ) ) { return null ; } return $ this -> filter ( $ _REQUEST [ $ variableName ] ) ; }
docstring: Sanitizes a REQUEST-variable
  
  Experimental.
  
  Returns null, if the variable does not exist
  
  @param string $variableName
  @return mixed
docstring_tokens: Sanitizes a REQUEST - variable