1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 6:  */
 7: 
 8: namespace Nette\Database;
 9: 
10: use Nette;
11: 
12: 
13: /**
14:  * Represents a single table row.
15:  *
16:  * @author     David Grudl
17:  * @author     Jan Skrasek
18:  */
19: class Row extends Nette\Utils\ArrayHash implements IRow
20: {
21: 
22:     public function __get($key)
23:     {
24:         throw new Nette\MemberAccessException("Cannot read an undeclared column '$key'.");
25:     }
26: 
27: 
28:     /**
29:      * Returns a item.
30:      * @param  mixed  key or index
31:      * @return mixed
32:      */
33:     public function offsetGet($key)
34:     {
35:         if (is_int($key)) {
36:             $arr = array_slice((array) $this, $key, 1);
37:             if (!$arr) {
38:                 throw new Nette\MemberAccessException("Cannot read an undeclared column '$key'.");
39:             }
40:             return current($arr);
41:         }
42:         return $this->$key;
43:     }
44: 
45: 
46:     /**
47:      * Checks if $key exists.
48:      * @param  mixed  key or index
49:      * @return bool
50:      */
51:     public function offsetExists($key)
52:     {
53:         if (is_int($key)) {
54:             return (bool) current(array_slice((array) $this, $key, 1));
55:         }
56:         return parent::offsetExists($key);
57:     }
58: 
59: }
60: