/**
* This will scan all the content pages that wordpress outputs for our special code. If the code is found, it will replace the requested quiz.
*/
function watupro_shortcode($attr)
{
global $wpdb, $post;
$exam_id = $attr[0];
$contents = '';
if (!is_numeric($exam_id)) {
return $contents;
}
watupro_vc_scripts();
ob_start();
// select exam
$exam = $wpdb->get_row($wpdb->prepare("SELECT * FROM " . WATUPRO_EXAMS . " WHERE id=%d", $exam_id));
if (watupro_intel()) {
WatuPROIntelligence::conditional_scripts($exam_id);
}
watupro_conditional_scripts($exam);
// passed question ids?
if (!empty($attr['question_ids'])) {
$passed_question_ids = $attr['question_ids'];
}
// submitting without ajax?
if (!empty($_POST['no_ajax']) and !empty($exam->no_ajax)) {
require WATUPRO_PATH . "/show_exam.php";
$contents = ob_get_clean();
$contents = apply_filters('watupro_content', $contents);
return $contents;
}
// other cases, show here
if (empty($_GET['waturl']) or !$exam->shareable_final_screen) {
// showing the exam
if ($exam->mode == 'practice' and watupro_intel()) {
WatuPracticeController::show($exam);
} else {
include WATUPRO_PATH . '/show_exam.php';
}
$contents = ob_get_contents();
} else {
// showing taking results
$url = @base64_decode($_GET['waturl']);
list($exam_id, $tid) = explode("|", $url);
if (!is_numeric($exam_id) or !is_numeric($tid)) {
return $contents;
}
// must check if public URL is allowed
$taking = $wpdb->get_row($wpdb->prepare("SELECT * FROM " . WATUPRO_TAKEN_EXAMS . " WHERE ID=%d", $tid));
$contents = WatuPRO::cleanup($taking->details, 'web');
$post->ID = 0;
$post->comment_status = 'closed';
}
ob_end_clean();
$contents = apply_filters('watupro_content', $contents);
return $contents;
}
