A taxonomy images loop for S8

<?php

// A function that returns all staff members in an unordered list
function mod_get_staff($scope, $size) {
    if ('all' == $scope) :
        $the_terms = get_terms('people'); // get all of the terms in the people taxonomy
    elseif ( 'post' == $scope ) : // get only the terms connected to this post
        global $post;
        $the_terms = get_the_terms($post->ID, 'people');
    else :
        return;
    endif;

    $fakeuser = array( // this is an array of images for use when no image exists
        'mystery_1' => get_bloginfo('stylesheet_directory') . "/library/images/mysteryman/user-1.png",
        'mystery_2' => get_bloginfo('stylesheet_directory') . "/library/images/mysteryman/user-2.png",
        'mystery_3' => get_bloginfo('stylesheet_directory') . "/library/images/mysteryman/user-3.png"
    );

    $output =  "<ul class='team-bios'>";
    foreach ($the_terms as $key => $value) { // for each term, execute the following loop
        $thesize = $size; // use the thumbnail image, if available
        $image_obj = s8_get_taxonomy_image_src($the_terms[$key], $thesize); // Grab the taxonomy image object

        if ( !empty($image_obj)) : // check if the image object is empty
            $image_src = $image_obj['src']; // grab the URL of the taxonomy image for this term
        else :
            $image_src = $fakeuser[array_rand($fakeuser)]; // if no image is available, use a the placeholder array
        endif;

        $output .=  "<li>";
        $output .=  "<img class='modiodojo' src='$image_src' alt='$value->name | $value->description' /><br />";
        $output .=  "<div class='imageover'>"; // CSS overlay containing the taxonomy information
        $output .=  "<h3>$value->name</h3>"; // This is the name of the taxonomy
        $output .=  "<p>$value->description</p>"; // We use the description as the person's title in this example
        $output .=  "</div>";
        $output .=  "</li>";
    }
    $output .=  "</ul>";

    echo $output;
}