yii\base\ArrayAccessTrait::offsetGet PHP Method

This method is required by the interface [[\ArrayAccess]].

public offsetGet ( integer $offset ) : mixed
$offset	integer	the offset to retrieve element.
return	mixed	the element at the offset, null if no element is found at the offset

    public function offsetGet($offset)
    {
        return isset($this->data[$offset]) ? $this->data[$offset] : null;
    }

ArrayAccessTrait