Nested arrays in parser with conditional rendering

Nested arrays in parser with conditional rendering - Printable Version

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Nested arrays in parser with conditional rendering - artursampaio - 04-02-2025

Hi,

I´d like to apply a conditional rendering in a nested iterator:

Code:
{parent}

  {children}

    {if $child->someAttribute == "1"}

      HELLO!

    {endif}

  {children}

{/parent}

I tried to use a static index and it works, but would be necessary to know the current iterator index

Code:
{parent}

  {children}

    {if $parent[0]->children[0]->someAttribute == "1"}

      HELLO!

    {endif}

  {children}

{/parent}

If there was something like:

Code:
{if $parent[$parent_idx]->children[$children_idx]->someAttribute == "1"}

Is this possible? There is any workaround?

Thanks in advance!

RE: Nested arrays in parser with conditional rendering - InsiteFX - 04-02-2025

Code:
CREATE TABLE `categories` (

  `id` int(11) NOT NULL AUTO_INCREMENT,

  `parent_id` int(11) NOT NULL DEFAULT '0',

  `category` varchar(255) NOT NULL,

  PRIMARY KEY (`id`)

)

-----------------------------------------------------------

INSERT INTO `categories` (`id`, `parent_id`, `category`) VALUES

(1, 0, 'General'),

(2, 0, 'PHP'),

(3, 0, 'HTML'),

(4, 3, 'Tables'),

(5, 2, 'Functions'),

(6, 2, 'Variables'),

(7, 3, 'Forms');

PHP Code:
public function generateTree(array $data, int $parent = 0, int $depth = 0): string
{
    $tree = "<ul>\n";
    for ($i=0, $ni=count($data); $i < $ni; $i++) {
        if ($data[$i]['parent_id'] == $parent) {    
            
            $tree .= "<li>\n";
            $tree .= $data[$i]['category'];
            $tree .= generateTree($data, $data[$i]['id'], $depth+1);
            $tree .= "</li>\n";
        }
    }

    $tree .= "</ul>\n";

    return $tree;
} 