original_string: public function offsetUnset($offset)
      {
          if ($this->offsetExists($offset)) {
              unset($this->internArray[$offset]);
              $this->_set($this->getAttributeName(), $this->internArray);
          }
          return $this;
      }
code: public function offsetUnset($offset)
      {
          if ($this->offsetExists($offset)) {
              unset($this->internArray[$offset]);
              $this->_set($this->getAttributeName(), $this->internArray);
          }
          return $this;
      }
code_tokens: public function offsetUnset ( $ offset ) { if ( $ this -> offsetExists ( $ offset ) ) { unset ( $ this -> internArray [ $ offset ] ) ; $ this -> _set ( $ this -> getAttributeName ( ) , $ this -> internArray ) ; } return $ this ; }
docstring: Method unsetting value at offset
  @param mixed $offset
  @return AbstractStructArrayBase
docstring_tokens: Method unsetting value at offset