for mohsin butt with love and kisses

test.php

<?php

function getURL($loc) {
    switch ($loc) {
        case "CU":
            $host = $config->aulaIntegration->uniURL;
            // wed don't need this
            // $apiKey = $config->aulaIntegration->uniKey;
            break;
        case "CULC":
            $host = $config->aulaIntegration->culuURL;
            // wed don't need this
            // $apiKey = $config->aulaIntegration->culuKey;
            break;
        default:
            $host = $config->aulaIntegration->apiURL;
            // wed don't need this
            // $apiKey = $config->aulaIntegration->apiKey;
            break;
    }
    return $host;
}

// now call this function
// drum rolls
$location = $config->aulaIntegration-> aulaLive->locationDetails;
$url = getURL($location);