Refactor foreach with multilevel array

Refactor foreach with multilevel array

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Refactor foreach with multilevel array
Tag : php , By : mux
Date : November 26 2020, 03:04 PM

like below fixes the issue I'm currently returning results from a sql statement in an array like so: , I guess this is what you are looking for:

$input = [
        'codeID' => "41",
        'code' => "123ABC",
        'rule_type' => "Category",
        'attribute_type' => "identifier",
        'attribute_title' => "category number",
        'attribute_value' => "234"
        'codeID' => "41",
        'code' => "123ABC",
        'rule_type' => "Category",
        'attribute_type' => "amount",
        'attribute_title' => "percent",
        'attribute_value' => "25"

$output = [];
array_walk($input, function ($e) use (&$output) {
    $output[$e['codeID']][$e['code']][$e['rule_type']][] = [
        'attribute_type' => $e['attribute_type'],
        'attribute_title' => $e['attribute_title'],
        'attribute_value' => $e['attribute_value']

array_walk($input, function ($e) use (&$output) {
    $codeID = &$e['codeID'];
    $code = &$e['code'];
    $rule_type = &$e['rule_type'];

    $output[$codeID][$code][$rule_type][] = [
        'attribute_type' => $e['attribute_type'],
        'attribute_title' => $e['attribute_title'],
        'attribute_value' => $e['attribute_value']
    [41] => Array
            [123ABC] => Array
                    [Category] => Array
                            [0] => Array
                                    [attribute_type] => identifier
                                    [attribute_title] => category number
                                    [attribute_value] => 234

                            [1] => Array
                                    [attribute_type] => amount
                                    [attribute_title] => percent
                                    [attribute_value] => 25

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multilevel menu with multilevel array

Tag : php , By : beng
Date : March 29 2020, 07:55 AM
should help you out [Solved]
I have to declare the array first before I push it, else PHP can't push the data inside, it will be empty. Praise the Lord!
                        $option_results[$nav_ParentName]['child'] = array();  
                    $option_results[$nav_ParentName]['child'] = $option_results[$nav_ParentName]['child'] + $temp;

How can I refactor this ForEach(..) code to use Parallel.ForEach(..)?

Tag : chash , By : Raghu
Date : March 29 2020, 07:55 AM
seems to work fine Parallel is actually not the best option here. Parallel will run your code in parallel but will still use up a thread pool thread for each request to AWS. It would be far better use of resources to use the BeginCopyObject method instead. This will not use up a thread pool thread waiting on a response but will only utilize it when the response is received and needs to be processed.
Here's a simplified example of how to use Begin/End methods. These are not specific to AWS but is a pattern found throughout the .NET BCL.
public static CopyFoos() 
    var client = new AmazonS3Client(...);
    var foos = GetFoos().ToList();
    var asyncs = new List<IAsyncResult>();
    foreach(var foo in foos)
        var request = new CopyObjectRequest { ... };  

        asyncs.Add(client.BeginCopyObject(request, EndCopy, client));

    foreach(IAsyncResult ar in asyncs)
        if (!ar.IsCompleted)

private static EndCopy(IAsyncRequest ar) 

Working with multilevel menu with PHP MYSQL and foreach statement

Tag : php , By : SachinJadhav
Date : March 29 2020, 07:55 AM
it helps some times You are trying to append to the array in variable $results which isn't initiated yet.
Add the following:
$results = array();
while() { ... }
function getUserMainMenus($get_user_id) {
    $get_user_id = intval($get_user_id);
    $rights = getMenuRights($get_user_id);
    $get_main_menu_query = mysql_query("SELECT * FROM menu where m_id IN ($rights) and parent_menu_id='0' order by menu_order");
    $results = array(); // add this here
    while ($row = mysql_fetch_assoc($get_main_menu_query)) {
    $results[] = $row;
    return $results;

Multilevel XML ForEach WPF

Tag : chash , By : Jim F.
Date : March 29 2020, 07:55 AM
will help you To add all "id" element values for all "connection" nodes to your lstBox, you can simply do this:
XDocument itemz = XDocument.Load(urlAddress);

// ...

foreach (var item in itemz.Descendants("connection"))
    lstBox.Items.Add(txtBoxName.Content = item.Element("id").Value);

Refactor foreach loop to List<T>.ForEach(...)

Tag : chash , By : ralph okochu
Date : March 29 2020, 07:55 AM
wish helps you Given: , You can do this in the same loop.
_data.ForEach(feObj => 
    feObj.Parameters.ForEach(feParam => maxRows++);
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