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:  * @package Nette
  7:  */
  8: 
  9: 
 10: 
 11: /**
 12:  * Provides objects to work as array.
 13:  *
 14:  * @author     David Grudl
 15:  * @package Nette
 16:  */
 17: class NArrayHash extends stdClass implements ArrayAccess, Countable, IteratorAggregate
 18: {
 19: 
 20:     /**
 21:      * @param  array to wrap
 22:      * @param  bool
 23:      * @return NArrayHash
 24:      */
 25:     public static function from($arr, $recursive = TRUE)
 26:     {
 27:         $obj = new self;
 28:         foreach ($arr as $key => $value) {
 29:             if ($recursive && is_array($value)) {
 30:                 $obj->$key = self::from($value, TRUE);
 31:             } else {
 32:                 $obj->$key = $value;
 33:             }
 34:         }
 35:         return $obj;
 36:     }
 37: 
 38: 
 39:     /**
 40:      * Returns an iterator over all items.
 41:      * @return RecursiveArrayIterator
 42:      */
 43:     public function getIterator()
 44:     {
 45:         return new RecursiveArrayIterator($this);
 46:     }
 47: 
 48: 
 49:     /**
 50:      * Returns items count.
 51:      * @return int
 52:      */
 53:     public function count()
 54:     {
 55:         return count((array) $this);
 56:     }
 57: 
 58: 
 59:     /**
 60:      * Replaces or appends a item.
 61:      * @return void
 62:      */
 63:     public function offsetSet($key, $value)
 64:     {
 65:         if (!is_scalar($key)) { // prevents NULL
 66:             throw new InvalidArgumentException(sprintf('Key must be either a string or an integer, %s given.', gettype($key)));
 67:         }
 68:         $this->$key = $value;
 69:     }
 70: 
 71: 
 72:     /**
 73:      * Returns a item.
 74:      * @return mixed
 75:      */
 76:     public function offsetGet($key)
 77:     {
 78:         return $this->$key;
 79:     }
 80: 
 81: 
 82:     /**
 83:      * Determines whether a item exists.
 84:      * @return bool
 85:      */
 86:     public function offsetExists($key)
 87:     {
 88:         return isset($this->$key);
 89:     }
 90: 
 91: 
 92:     /**
 93:      * Removes the element from this list.
 94:      * @return void
 95:      */
 96:     public function offsetUnset($key)
 97:     {
 98:         unset($this->$key);
 99:     }
100: 
101: }
102: