original_string: public function removeField($field)
      {
          if (isset($this->rules[$field])) {
              unset($this->rules[$field]);
              return true;
          }
          return false;
      }
code: public function removeField($field)
      {
          if (isset($this->rules[$field])) {
              unset($this->rules[$field]);
              return true;
          }
          return false;
      }
code_tokens: public function removeField ( $ field ) { if ( isset ( $ this -> rules [ $ field ] ) ) { unset ( $ this -> rules [ $ field ] ) ; return true ; } return false ; }
docstring: Removes the validate field
  
  @param string $field
  @return bool
docstring_tokens: Removes the validate field