'none', // Options: none, numbered, unordered 'title_wrapper' => 'p', // Options: h2, h3, h4, h5, h6, p, div 'image_size' => 'thumbnail', // Currently reserved for future use 'class' => '', // Custom CSS class ), $atts, 'aio_rank_math_faq' ); // Extract attributes $list_style = sanitize_text_field($atts['list_style']); $title_wrapper = sanitize_text_field($atts['title_wrapper']); $custom_class = sanitize_html_class($atts['class']); // Validate title_wrapper $allowed_wrappers = array('h2', 'h3', 'h4', 'h5', 'h6', 'p', 'div'); if (! in_array(strtolower($title_wrapper), $allowed_wrappers, true)) { $title_wrapper = 'h2'; // Fallback to default } // Determine the list wrapper based on list_style switch (strtolower($list_style)) { case 'numbered': $list_tag_open = '
    '; $list_tag_close = '
'; $use_list_items = true; break; case 'unordered': $list_tag_open = ''; $use_list_items = true; break; case 'none': default: $list_tag_open = '
'; $list_tag_close = '
'; $use_list_items = false; break; } // Split the content by line breaks to identify Q&A pairs // Ensure both Unix (\n) and Windows (\r\n) line endings are handled $content = do_shortcode($content); $faqs = preg_split('/\r\n|\n|\r/', trim($content)); if (empty($faqs)) { return ''; // No content to display } $output = $list_tag_open; $faq_schema = array(); $current_question = ''; $current_answer = ''; foreach ($faqs as $faq_line) { $faq_original = $faq_line; // Remove leading and trailing whitespace $faq_line = trim(wp_strip_all_tags($faq_line)); //echo substr(trim(wp_strip_all_tags($faq_line)), -1); if (empty($faq_line)) { continue; // Skip empty lines } //var_dump(str_ends_with($faq_line, '?')); // Detect if the line ends with a '?' if (str_ends_with($faq_line, '?')) { // If there's an existing Q&A, process it if (! empty($current_question)) { // Generate HTML for the previous Q&A if ($use_list_items) { $output .= '
  • '; } else { $output .= '
    '; } $output .= sprintf( '<%1$s class="rank-math-question">%2$s', esc_html($title_wrapper), wp_kses_post($current_question) ); $output .= '

    ' . wp_kses_post($current_answer) . '

    '; if ($use_list_items) { $output .= '
    • '; } else { $output .= ''; } // Add to FAQ schema $faq_schema[] = array( '@type' => 'Question', 'name' => wp_kses_post($current_question), 'acceptedAnswer' => array( '@type' => 'Answer', 'text' => wp_kses_post($current_answer), ), ); } // Start a new Q&A pair $current_question = $faq_original; $current_answer = ''; } else { // Accumulate answer lines if (empty($current_question)) { // If there's no question yet, skip this line or handle as needed continue; } $current_answer .= $faq_original . ' '; } } // Handle the last Q&A pair if exists if (! empty($current_question)) { if ($use_list_items) { $output .= '
  • '; } else { $output .= '
    '; } $output .= sprintf( '<%1$s class="rank-math-question">%2$s', esc_html($title_wrapper), wp_kses_post($current_question) ); $output .= '

    ' . wp_kses_post($current_answer) . '

    '; if ($use_list_items) { $output .= '
    • '; } else { $output .= ''; } // Add to FAQ schema $faq_schema[] = array( '@type' => 'Question', 'name' => wp_kses_post($current_question), 'acceptedAnswer' => array( '@type' => 'Answer', 'text' => wp_kses_post($current_answer), ), ); } $output .= $list_tag_close; // Generate the FAQPage schema $schema_data = array( '@context' => 'https://schema.org', '@type' => 'FAQPage', 'mainEntity' => $faq_schema, ); // Encode schema in JSON-LD $schema_output = ''; // Final output with optional custom class $final_output = '
    '; $final_output .= $output; $final_output .= $schema_output; $final_output .= '
    '; return $final_output; } // Register the shortcode add_shortcode('aio_rank_math_faq', 'aiosc_rank_math_faq_shortcode');