<?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\Schema;
use Nette;
use Nette\Utils\Reflection;
/**
* @internal
*/
final class Helpers
{
use Nette\StaticClass;
public const PreventMerging = '_prevent_merging';
public const PREVENT_MERGING = self::PreventMerging;
/**
* Merges dataset. Left has higher priority than right one.
* @return array|string
*/
public static function merge($value, $base)
{
if (is_array($value) && isset($value[self::PreventMerging])) {
unset($value[self::PreventMerging]);
return $value;
}
if (is_array($value) && is_array($base)) {
$index = 0;
foreach ($value as $key => $val) {
if ($key === $index) {
$base[] = $val;
$index++;
} else {
$base[$key] = static::merge($val, $base[$key] ?? null);
 
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