How do I print array within array?

Question

I am trying to echo some values within two arrays . I have a variable called: $listDigitalDownloads

When I var_dump($listDigitalDownloads);

I get:

array(1) {
  [0]=>
  array(4) {
    ["digital_downloads_title"]=>
    string(5) "Title"
    ["digital_downloads_image"]=>
    string(7) "url.com"
    ["digital_downloads_author"]=>
    string(6) "Author"
    ["digital_download_files"]=>
    array(3) {
      [0]=>
      array(2) {
        ["digital_download_file_type"]=>
        string(11) "File Type 1"
        ["digital_download_file"]=>
        string(7) "url.pdf"
      }
      [1]=>
      array(2) {
        ["digital_download_file_type"]=>
        string(11) "File Type 2"
        ["digital_download_file"]=>
        string(7) "url.pdf"
      }
      [2]=>
      array(2) {
        ["digital_download_file_type"]=>
        string(11) "File Type 3"
        ["digital_download_file"]=>
        string(7) "url.pdf"
      }
    }
  }
}

I am trying to echo ["digital_download_file_type"] and ["digital_download_file"] using a foreach loop.

But when I var_dump ($listDigitalDownloadFiles); I just receive:

array(1) {
  [0]=>
  string(22) "digital_download_files"
}

I have tried:

foreach($listDigitalDownloadZero as $listDigitalDownloadFile) {
    $type = $listDigitalDownloadFile['digital_download_file_type'];
    echo $type;
}

But do not get any results.

Any help would be great

Here is my full code:

$listDigitalDownloads = get_field('digital_downloads_incentives'); 
echo '<pre>';
var_dump($listDigitalDownloads);
echo '</pre>';

foreach($listDigitalDownloads as $listDigitalDownload) {
    $title = $listDigitalDownload['digital_downloads_title'];
    $author = $listDigitalDownload['digital_downloads_author'];
    $image = $listDigitalDownload['digital_downloads_image'];
    $listDigitalDownloadFiles = ['digital_download_files'];
    echo '<pre>';
    var_dump ($listDigitalDownloadFiles);
    echo '</pre>';
    foreach($listDigitalDownloadZero as $listDigitalDownloadFile) {
        $type = $listDigitalDownloadFile['digital_download_file_type'];
        echo $type;
    }
}

I expect the output to echo the value of ['digital_download_file_type']

I added echo '<pre>'; - which is how I formatted that var_dump. Is that what you mean? — Scott Whit
– Scott Whit, Commented Apr 30, 2019 at 18:45
The field(s) are generated from Advanced Custom Fields Wordpress Plugin and that is all the code I have on that page. — Scott Whit
– Scott Whit, Commented Apr 30, 2019 at 18:55
where does $listDigitalDownloadZero come from? It's undefined. Don't you want to do: foreach($listDigitalDownloadFiles as $listDigitalDownloadFile) { — lovelace
– lovelace, Commented Apr 30, 2019 at 18:55

Barmar · Accepted Answer · 2019-04-30 19:02:19Z

1

You never assigned the variable $listDigitalDownloadZero. You need:

$listDigitalDownloadZero = $listDigitalDownload['digital_download_files'];

I suspect you actually intended to assign this to $listDigitalDownloadFiles, but you just assigned a literal array containing the same string each time, rather than indexing $listDigitalDownload.

answered Apr 30, 2019 at 19:02

Barmar

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2 Comments

Scott Whit Over a year ago

That was it! I meant for that variable to be: $listDigitalDownloadFiles = $listDigitalDownload['digital_download_files']; And then set: ``` foreach($listDigitalDownloadFiles as $listDigitalDownloadFile) { $type = $listDigitalDownloadFile['digital_download_file_type']; echo $type; } ```

Scott Whit Over a year ago

Thank you very much! I just needed another set of eyes to see that!

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