<?PHP
    class StringArray Extends ArrayList implements System\iDataTypeString{ use System\tDataTypeStringDelegate; }
    class DecimalArray Extends ArrayList implements System\iDataTypeDecimal{ use System\tDataTypeDecimalDelegate; }
    $array = (new StringArray())->push('The')->push('quick')->push('brown')->push('fox')->toUpper();
    var_dump($array);
?>
object(localhost\illiFW\dev\StringArray)#2 (1) {
  ["__value":protected]=>
  object(ILLI\System\DataTypeStringArray)#4 (8) {
    ["__offsets":"ILLI\System\DataTypeArray":private]=>
    array(4) {
      [0]=>
      int(0)
      [1]=>
      int(1)
      [2]=>
      int(2)
      [3]=>
      int(3)
    }
    ["__indexes":"ILLI\System\DataTypeArray":private]=>
    array(4) {
      [0]=>
      int(0)
      [1]=>
      int(1)
      [2]=>
      int(2)
      [3]=>
      int(3)
    }
    ["__itIndex":"ILLI\System\DataTypeArray":private]=>
    int(4)
    ["__lastOffsetUpdate":"ILLI\System\DataTypeArray":private]=>
    NULL
    ["__lastOffsetInsert":"ILLI\System\DataTypeArray":private]=>
    NULL
    ["__BITS":"ILLI\System\DataTypeArray":private]=>
    object(ILLI\System\Bits)#3 (1) {
      ["__bits":"ILLI\System\Bits":private]=>
      int(0)
    }
    ["__value":protected]=>
    array(4) {
      [0]=>
      object(ILLI\System\DataTypeString)#6 (5) {
        ["__isMultibyte":"ILLI\System\DataTypeString":private]=>
        bool(false)
        ["__width":"ILLI\System\DataTypeString":private]=>
        NULL
        ["__length":"ILLI\System\DataTypeString":private]=>
        NULL
        ["__value":protected]=>
        string(3) "THE"
        ["__initialValue":"ILLI\System\DataType":private]=>
        string(3) "The"
      }
      [1]=>
      object(ILLI\System\DataTypeString)#7 (5) {
        ["__isMultibyte":"ILLI\System\DataTypeString":private]=>
        bool(false)
        ["__width":"ILLI\System\DataTypeString":private]=>
        NULL
        ["__length":"ILLI\System\DataTypeString":private]=>
        NULL
        ["__value":protected]=>
        string(5) "QUICK"
        ["__initialValue":"ILLI\System\DataType":private]=>
        string(5) "quick"
      }
      [2]=>
      object(ILLI\System\DataTypeString)#8 (5) {
        ["__isMultibyte":"ILLI\System\DataTypeString":private]=>
        bool(false)
        ["__width":"ILLI\System\DataTypeString":private]=>
        NULL
        ["__length":"ILLI\System\DataTypeString":private]=>
        NULL
        ["__value":protected]=>
        string(5) "BROWN"
        ["__initialValue":"ILLI\System\DataType":private]=>
        string(5) "brown"
      }
      [3]=>
      object(ILLI\System\DataTypeString)#9 (5) {
        ["__isMultibyte":"ILLI\System\DataTypeString":private]=>
        bool(false)
        ["__width":"ILLI\System\DataTypeString":private]=>
        NULL
        ["__length":"ILLI\System\DataTypeString":private]=>
        NULL
        ["__value":protected]=>
        string(3) "FOX"
        ["__initialValue":"ILLI\System\DataType":private]=>
        string(3) "fox"
      }
    }
    ["__initialValue":"ILLI\System\DataType":private]=>
    array(0) {
    }
  }
}

<?PHP
    /**
     * ILLI
     *
     * @category   ILLI_System_Collection
     * @package    ILLI
     * @subpackage SystemCollection
     * @link       http://illi.be
     * @license    http://l.illi.be
     * @copyright  ILLI Conference
     */
    NAMESPACE ILLI\System\Collection;
    USE ILLI\System as System;

    /**
     * ILLI System Collection ArrayList
     *
     * @category   ILLI_System_Collection
     * @package    ILLI
     * @subpackage SystemCollection
     * @namespace  ILLI\System\Collection
     * @link       http://illi.be
     * @license    http://l.illi.be
     * @copyright  ILLI Conference
     * @since      2.0.0-1
     * @version    2.0.0-1
     * @abstract
     */
    CLASS ArrayList IMPLEMENTS System\iSerializable, System\iIterator
    {
        USE System\tSerializable;

        /**
         * DataTypeArray prototype
         */
        protected $__value      = NULL;

        private static $__serializable  =
                        [
                            '__value'
                        ];

        public function __construct($array = [], System\Bits $BITS = NULL)
        {
            switch(TRUE):
                case ($this instanceOf System\iDataTypeChar):
                    $this->__value = new System\DataTypeCharArray($array, $BITS);
                    break;
                case ($this instanceOf System\iDataTypeDecimal):
                    $this->__value = new System\DataTypeDecimalArray($array, $BITS);
                    break;
                case ($this instanceOf System\iDataTypeString):
                    $this->__value = new System\DataTypeStringArray($array, $BITS);
                    break;
                default:
                    $this->__value = new System\DataTypeArray($array, $BITS);
            endswitch;
            self::$__tSerializableProperties = self::$__serializable;
        }

        public function clear()
        {
            $this->__value->clear();
            return $this;
        }

        public function pop()
        {
            return $this->__value->pop();
        }

        public function push($value)
        {
            $this->__value->push($value);
            return $this;
        }

        public function current()
        {
            return $this->__value->current();
        }

        public function next()
        {
            $this->__value->next();
            return $this;
        }

        public function key()
        {
            return $this->__value->key();
        }

        public function valid()
        {
            return $this->__value->valid();
        }

        public function rewind()
        {
            $this->__value->rewind();
            return $this;
        }

        public function peek()
        {
            return $this->__value->peekValueByOffset($this->__value->lastOffset());
        }
    }

    CLASS Queue EXTENDS ArrayList
    {
        public function __construct($array = [])
        {
            parent::__construct($array, new System\Bits(System\DataTypeArray::IT_MODE_FIFO));
        }

        public function peek()
        {
            return $this->__value->peekValueByOffset($this->__value->firstOffset());
        }


        public function pop()
        {
            return $this->__value->shift();
        }
    }

    CLASS Stack EXTENDS ArrayList
    {
        public function __construct($array = [])
        {
            parent::__construct($array, new System\Bits(System\DataTypeArray::IT_MODE_LIFO));
        }

        public function rewind()
        {
            $this->__value->setIteratorIndex($this->__value->lastIndex());
            return $this;
        }

        public function next()
        {
            $this->__value->prev();
            return $this;
        }
    }