original_string: public function __isset($prop) {
          if (in_array($prop, $this->properties)) {
              return isset($this->$prop);
          }
          throw new \coding_exception("Invalid property $prop specified");
      }
code: public function __isset($prop) {
          if (in_array($prop, $this->properties)) {
              return isset($this->$prop);
          }
          throw new \coding_exception("Invalid property $prop specified");
      }
code_tokens: public function __isset ( $ prop ) { if ( in_array ( $ prop , $ this -> properties ) ) { return isset ( $ this -> $ prop ) ; } throw new \ coding_exception ( "Invalid property $prop specified" ) ; }
docstring: Magic method to check if property is set.
  
  @param string $prop name of property to check.
  @return bool
  @throws \coding_exception
docstring_tokens: Magic method to check if property is set .