original_string: public function sanitize()
      {
          if (!$this->_sanitized) {
              foreach (array_keys($this->_vars) as $key) {
                  $this->$key = $this->filter($key);
              }
              $this->_sanitized = true;
          }
      }
code: public function sanitize()
      {
          if (!$this->_sanitized) {
              foreach (array_keys($this->_vars) as $key) {
                  $this->$key = $this->filter($key);
              }
              $this->_sanitized = true;
          }
      }
code_tokens: public function sanitize ( ) { if ( ! $ this -> _sanitized ) { foreach ( array_keys ( $ this -> _vars ) as $ key ) { $ this -> $ key = $ this -> filter ( $ key ) ; } $ this -> _sanitized = true ; } }
docstring: Sanitize the form input.
docstring_tokens: Sanitize the form input .