Query posts and display all dates in repeater field in chronological order

Question

I think I succeeded in making the array and sorting it by date (see var_dump)

 
array(575) {
  [320]=>
  array(10) {
    ["Speeldatum"]=>
    string(19) "2015-01-30 12:00:00"
    ["Productienaam"]=>
    string(28) "THE DOG DAYS ARE OVER (2014)"
    ["Makernaam"]=>
    string(11) "Jan Martens"
    ["Locatienaam2"]=>
    string(10) "toneelhuis"
    ["Stadnaam"]=>
    string(9) "ANTWERPEN"
    ["Landnaam"]=>
    string(2) "BE"
    ["Festivalnaam"]=>
    string(18) "antwerpse kleppers"
    ["Onderdeelvandezegripeveningnaam"]=>
    string(38) "antwerpse kleppers / bourla schouwburg"
    ["Extranaam"]=>
    string(0) ""
    ["Ticketlink"]=>
    string(0) ""
  }
  [510]=>
  array(10) {
    ["Speeldatum"]=>
    string(19) "2015-02-05 12:00:00"
    ["Productienaam"]=>
    string(23) "SWEAT BABY SWEAT (2011)"
    ["Makernaam"]=>
    string(11) "Jan Martens"
    ["Locatienaam2"]=>
    string(20) "cultuurcentrum diest"
    ["Stadnaam"]=>
    string(5) "DIEST"
    ["Landnaam"]=>
    string(2) "BE"
    ["Festivalnaam"]=>
    string(28) "internationale tanzmesse nrw"
    ["Onderdeelvandezegripeveningnaam"]=>
    string(13) "le grand bain"
    ["Extranaam"]=>
    string(0) ""
    ["Ticketlink"]=>
    string(0) ""
  }
  [434]=>
  array(10) {
    ["Speeldatum"]=>
    string(19) "2015-02-07 12:00:00"
    ["Productienaam"]=>
    string(13) "VICTOR (2013)"
    ["Makernaam"]=>
    string(11) "Jan Martens"
    ["Locatienaam2"]=>
    string(24) "théâtre de la bastille"
    ["Stadnaam"]=>
    string(6) "PARIJS"
    ["Landnaam"]=>
    string(2) "FR"
    ["Festivalnaam"]=>
    string(25) "les printemps de sévelin"
    ["Onderdeelvandezegripeveningnaam"]=>
    string(13) "le grand bain"
    ["Extranaam"]=>
    string(13) "(premiere FR)"
    ["Ticketlink"]=>
    string(0) ""
  }
  ... and so on
}

But how can I now display the results?

I have this:

$stack[] = array(
    'Speeldatum' => $speeldatumunix,
    'Productienaam' => $productienaam,
    'Makernaam' => $makernaam,
    'Locatienaam2' => $locatienaam2,
    'Stadnaam' => $stadnaam,
    'Landnaam' => $landnaam,
    'Festivalnaam' => $festivalnaam,
    'Onderdeelvandezegripeveningnaam' => $onderdeelvandezegripeveningnaam,
    'Extranaam' => $extranaam,
    'Ticketlink' => $ticketlink
    );

asort($stack);

Then did this:

    foreach( $stack as $key => $speeldatumunix ) {
        echo '<ul>';
        foreach( $speeldatumunix as $attribute => $value ) {
            echo '<li>' . $attribute . ':' . $value . '</li>';
        }
        echo '</ul>';
    }

It displays the right stuff, in a list. So far so good.

BUT:

How can I get the values in a separate line so I can style them?
So instead of

    echo $attribute . ':' . $value;

I would need something like this:

    echo '<p class="name">'.$productienaam.'</p>';

This is obviously not correct. I guess my question now is how to write the syntax?

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