src/Core/ContentItem.php
function prepareResponse($endform=false) {
        $return_url = $this->returnUrl();
        $parms = $this->getContentItemSelection();
        $parms = LTIX::signParameters($parms, $return_url, "POST", "Install Content");
        $endform = '<a href="index.php" class="btn btn-warning">Back to Store</a>';
        $content = LTI::postLaunchHTML($parms, $return_url, true, false, $endform);
        return $content;
    }
function prepareResponse($endform=false) {
        $return_url = $this->returnUrl();
        $parms = $this->getContentItemSelection();
        $parms = LTIX::signParameters($parms, $return_url, "POST", "Install Content");
        $endform = '<a href="index.php" class="btn btn-warning">Back to Store</a>';
        $content = LTI::postLaunchHTML($parms, $return_url, true, false, $endform);
        return $content;
    }
function prepareResponse ( $ endform = false ) { $ return_url = $ this -> returnUrl ( ) ; $ parms = $ this -> getContentItemSelection ( ) ; $ parms = LTIX :: signParameters ( $ parms , $ return_url , "POST" , "Install Content" ) ; $ endform = '<a href="index.php" class="btn btn-warning">Back to Store</a>' ; $ content = LTI :: postLaunchHTML ( $ parms , $ return_url , true , false , $ endform ) ; return $ content ; }
Make up a response

@param $endform Some HTML to be included before the form closing tag

$endform = '<a href="index.php" class="btn btn-warning">Back to Store</a>';
Make up a response