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