PHP variable keeps returning 0

Question

I'm new to PHP and I'm trying to use ACF with Wordpress to insert this code into a specific area on my front page. Can anyone help me figure out why this function keeps returning 0?

function tjenestefunksjon() {
    $toReturn = ' ';
    if (have_rows('tjeneste')):
        $toReturn += '<ul class="tjenestelist">';
        while (have_rows('tjeneste')):
            the_row(); 
            // vars
            $ikon = get_sub_field('ikon');
            $tjenestenavn = get_sub_field('tjenestenavn');
            $tjenestebeskrivelse = get_sub_field('tjenesteinformasjon'); 
            $toReturn += '<li class="tjeneste">';
            $toReturn += '<i class="'. $ikon . '"></i>';
            $toReturn += '<p id="tjenestenavn">' . $tjenestenavn . '</p>';
            $toReturn += '<p id="tjenesteinformasjon">' . $tjenestebeskrivelse . '</p>';
            $toReturn += '</li>';
        endwhile;
        $toReturn += '</ul>';
    endif;
    return $toReturn;
}

use .= instead of += with your $toReturn Variable

viral barot
– viral barot

2016-11-28 10:34:19 +00:00
Commented Nov 28, 2016 at 10:34 — viral barot
– viral barot, Commented Nov 28, 2016 at 10:34

Splinti · Accepted Answer · 2016-11-28 10:31:42Z

2

PHP uses the .= operator for concatenate, not +=.

+= Will use the Integer datatype and thus return a number, instead of the string.

answered Nov 28, 2016 at 10:31

Splinti

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2 Comments

Splinti Over a year ago

If you are happy with the answer, consider marking my Answer as solution, please.

billy Over a year ago

Yes done, had to wait a few minutes until I could press it :)

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