1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Utils;
  9: 
 10: use Nette;
 11: 
 12: 
 13: /**
 14:  * Provides objects to work as array.
 15:  *
 16:  * @author     David Grudl
 17:  */
 18: class ArrayHash extends \stdClass implements \ArrayAccess, \Countable, \IteratorAggregate
 19: {
 20: 
 21:     /**
 22:      * @param  array to wrap
 23:      * @param  bool
 24:      * @return ArrayHash
 25:      */
 26:     public static function from($arr, $recursive = TRUE)
 27:     {
 28:         $obj = new static;
 29:         foreach ($arr as $key => $value) {
 30:             if ($recursive && is_array($value)) {
 31:                 $obj->$key = static::from($value, TRUE);
 32:             } else {
 33:                 $obj->$key = $value;
 34:             }
 35:         }
 36:         return $obj;
 37:     }
 38: 
 39: 
 40:     /**
 41:      * Returns an iterator over all items.
 42:      * @return \RecursiveArrayIterator
 43:      */
 44:     public function getIterator()
 45:     {
 46:         return new \RecursiveArrayIterator($this);
 47:     }
 48: 
 49: 
 50:     /**
 51:      * Returns items count.
 52:      * @return int
 53:      */
 54:     public function count()
 55:     {
 56:         return count((array) $this);
 57:     }
 58: 
 59: 
 60:     /**
 61:      * Replaces or appends a item.
 62:      * @return void
 63:      */
 64:     public function offsetSet($key, $value)
 65:     {
 66:         if (!is_scalar($key)) { // prevents NULL
 67:             throw new Nette\InvalidArgumentException(sprintf('Key must be either a string or an integer, %s given.', gettype($key)));
 68:         }
 69:         $this->$key = $value;
 70:     }
 71: 
 72: 
 73:     /**
 74:      * Returns a item.
 75:      * @return mixed
 76:      */
 77:     public function offsetGet($key)
 78:     {
 79:         return $this->$key;
 80:     }
 81: 
 82: 
 83:     /**
 84:      * Determines whether a item exists.
 85:      * @return bool
 86:      */
 87:     public function offsetExists($key)
 88:     {
 89:         return isset($this->$key);
 90:     }
 91: 
 92: 
 93:     /**
 94:      * Removes the element from this list.
 95:      * @return void
 96:      */
 97:     public function offsetUnset($key)
 98:     {
 99:         unset($this->$key);
100:     }
101: 
102: }
103: