<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\Utils;
use Nette;
use function count, is_array, is_scalar, sprintf;
/**
* Provides objects to work as array.
* @template T
* @implements \IteratorAggregate<array-key, T>
* @implements \ArrayAccess<array-key, T>
*/
class ArrayHash extends \stdClass implements \ArrayAccess, \Countable, \IteratorAggregate
{
/**
* Transforms array to ArrayHash.
* @param array<T> $array
*/
public static function from(array $array, bool $recursive = true): static
{
$obj = new static;
foreach ($array as $key => $value) {
$obj->$key = $recursive && is_array($value)
? static::from($value)
: $value;
}
return $obj;
}
/**
* Returns an iterator over all items.
* @return \Iterator<array-key, T>
*/
public function &getIterator(): \Iterator
{
foreach ((array) $this as $key => $foo) {
yield $key => $this->$key;
}
}
/**
* Returns items count.
*/
public function count(): int
{
return count((array) $this);
}
/**
* Replaces or appends an item.
* @param array-key $key
* @param T $value
*/
public function offsetSet($key, $value): void
{
if (!is_scalar($key)) { // prevents null
throw new Nette\InvalidArgumentException(sprintf('Key must be either a string or an integer, %s given.', get_debug_type($key)));
}
$this->$key = $value;
}
/**
* Returns an item.
* @param array-key $key
* @return T
*/
#[\ReturnTypeWillChange]
public function offsetGet($key)
{
return $this->$key;
}
/**
* Determines whether an item exists.
* @param array-key $key
*/
public function offsetExists($key): bool
{
return isset($this->$key);
}
/**
* Removes the element from this list.
* @param array-key $key
*/
public function offsetUnset($key): void
{
unset($this->$key);
}
}
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