<?php

namespace Configula\Util;

use Generator;

/**
 * Configula Utilities Class
 *
 * @author Casey McLaughlin <caseyamcl@gmail.com>
 */
class ArrayUtils
{
    /**
     * Flatten and iterate
     *
     * @param  array  $array
     * @param  string $delimiter
     * @param  string $basePath
     * @return Generator
     */
    public static function flattenAndIterate(array $array, string $delimiter = '.', string $basePath = ''): Generator
    {
        foreach ($array as $key => $value) {
            $fullKey = implode($delimiter, array_filter([$basePath, $key]));
            if (is_array($value)) {
                yield from static::flattenAndIterate($value, $delimiter, $fullKey);
            } else {
                yield $fullKey => $value;
            }
        }
    }

    /**
     * Merge configuration arrays
     *
     * What I would wish that array_merge_recursive actually does.
     *
     * This is a cascading merge, with individual values being overwritten.
     * From: http://www.php.net/manual/en/function.array-merge-recursive.php#102379
     *
     * @param  array $arr1 Array #1
     * @param  array $arr2 Array #2
     * @return array
     */
    public static function merge(array $arr1, array $arr2): array
    {
        foreach ($arr2 as $key => $value) {
            if (array_key_exists($key, $arr1) && is_array($value) && is_array($arr1[$key])) {
                $arr1[$key] = static::merge($arr1[$key], $arr2[$key]);
            } else {
                $arr1[$key] = $value;
            }
        }

        return $arr1;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTg4Njc1NjM5NDkyNTMwIDE5OTMyNDg1MDgzMjQ5MiAyMTE2OTYzMTE4MTgzODc=