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chore: Remove legacy theme options files

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BREAKING: Remove deprecated files replaced by Clean Architecture

- Remove Inc/theme-options-helpers.php (replaced by roi_get_component_setting)
- Remove Inc/theme-settings.php (replaced by ThemeSettingsInjector)
- Remove Inc/customizer-fonts.php (fonts now in navbar component)
- Remove Inc/toc.php (replaced by TableOfContentsRenderer)
- Update functions.php - remove require_once for deleted files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
FrankZamora
2025-11-26 21:58:54 -06:00
parent 8878afe168
commit 6dc052afa6
5 changed files with 11 additions and 1113 deletions
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145
inc/customizer-fonts.php
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<?php
/**
* Font Options for Theme Customizer
*
* @package ROI_Theme
* @since 1.0.0
*/
// Exit if accessed directly
if (!defined('ABSPATH')) {
exit;
}
/**
* Register font settings in the Customizer
*/
function roi_customize_register_fonts($wp_customize) {
// Add Typography Section
$wp_customize->add_section('roi_typography', array(
'title' => __('Typography', 'roi-theme'),
'description' => __('Configure font settings for your site.', 'roi-theme'),
'priority' => 30,
));
// Setting: Use Custom Fonts
$wp_customize->add_setting('roi_use_custom_fonts', array(
'default' => false,
'sanitize_callback' => 'roi_sanitize_checkbox',
'transport' => 'refresh',
));
$wp_customize->add_control('roi_use_custom_fonts', array(
'label' => __('Use Custom Fonts', 'roi-theme'),
'description' => __('Enable custom fonts instead of system fonts. System fonts load faster and improve Core Web Vitals.', 'roi-theme'),
'section' => 'roi_typography',
'type' => 'checkbox',
));
// Setting: Font Loading Strategy (only if custom fonts enabled)
$wp_customize->add_setting('roi_font_display', array(
'default' => 'swap',
'sanitize_callback' => 'roi_sanitize_select',
'transport' => 'refresh',
));
$wp_customize->add_control('roi_font_display', array(
'label' => __('Font Display Strategy', 'roi-theme'),
'description' => __('Controls how fonts are displayed during loading. "swap" is recommended for best performance.', 'roi-theme'),
'section' => 'roi_typography',
'type' => 'select',
'choices' => array(
'auto' => __('Auto', 'roi-theme'),
'block' => __('Block', 'roi-theme'),
'swap' => __('Swap (Recommended)', 'roi-theme'),
'fallback' => __('Fallback', 'roi-theme'),
'optional' => __('Optional', 'roi-theme'),
),
'active_callback' => 'roi_is_custom_fonts_enabled',
));
// Setting: Preload Fonts
$wp_customize->add_setting('roi_preload_fonts', array(
'default' => true,
'sanitize_callback' => 'roi_sanitize_checkbox',
'transport' => 'refresh',
));
$wp_customize->add_control('roi_preload_fonts', array(
'label' => __('Preload Font Files', 'roi-theme'),
'description' => __('Preload critical font files for faster rendering. Recommended for better LCP scores.', 'roi-theme'),
'section' => 'roi_typography',
'type' => 'checkbox',
'active_callback' => 'roi_is_custom_fonts_enabled',
));
}
add_action('customize_register', 'roi_customize_register_fonts');
/**
* Check if custom fonts are enabled
*/
function roi_is_custom_fonts_enabled() {
return get_theme_mod('roi_use_custom_fonts', false);
}
/**
* Add body class based on font settings
*/
function roi_font_body_class($classes) {
if (roi_is_custom_fonts_enabled()) {
$classes[] = 'use-custom-fonts';
} else {
$classes[] = 'use-system-fonts';
}
return $classes;
}
add_filter('body_class', 'roi_font_body_class');
/**
* Add preload links for custom fonts
*/
function roi_preload_custom_fonts() {
// Only preload if custom fonts are enabled and preload is enabled
if (!roi_is_custom_fonts_enabled()) {
return;
}
if (!get_theme_mod('roi_preload_fonts', true)) {
return;
}
// Example preload links - uncomment and modify when you have custom font files
/*
?>
<link rel="preload" href="<?php echo esc_url(get_template_directory_uri() . '/Assets/fonts/CustomSans-Regular.woff2'); ?>" as="font" type="font/woff2" crossorigin>
<link rel="preload" href="<?php echo esc_url(get_template_directory_uri() . '/Assets/fonts/CustomSans-Bold.woff2'); ?>" as="font" type="font/woff2" crossorigin>
<?php
*/
}
add_action('wp_head', 'roi_preload_custom_fonts', 1);
/**
* Output inline CSS for font display strategy
*/
function roi_output_font_display_css() {
if (!roi_is_custom_fonts_enabled()) {
return;
}
$font_display = get_theme_mod('roi_font_display', 'swap');
// This would be used if you have actual @font-face declarations
// For now, it's just a placeholder for future implementation
?>
<style id="roi-font-display-strategy">
/* Font display strategy: <?php echo esc_attr($font_display); ?> */
/* This would contain dynamic @font-face rules when custom fonts are added */
</style>
<?php
}
add_action('wp_head', 'roi_output_font_display_css', 5);

345
inc/theme-options-helpers.php
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@@ -1,345 +0,0 @@
<?php
/**
* Theme Options Helper Functions
*
* @package ROI_Theme
* @since 1.0.0
*/
// Exit if accessed directly
if (!defined('ABSPATH')) {
exit;
}
/**
* Get theme option value
*
* @param string $option_name The option name
* @param mixed $default Default value if option doesn't exist
* @return mixed The option value
*/
function roi_get_option($option_name, $default = '') {
$options = get_option('roi_theme_options', array());
if (isset($options[$option_name])) {
return $options[$option_name];
}
return $default;
}
/**
* Check if option is enabled (checkbox/switch)
*
* @param string $option_name The option name
* @return bool True if enabled, false otherwise
*/
function roi_is_option_enabled($option_name) {
return (bool) roi_get_option($option_name, false);
}
/**
* Get breadcrumbs separator
*
* @return string The separator
*/
function roi_get_breadcrumb_separator() {
return roi_get_option('breadcrumb_separator', '>');
}
/**
* Check if breadcrumbs should be shown
*
* @return bool
*/
function roi_show_breadcrumbs() {
return roi_is_option_enabled('enable_breadcrumbs');
}
/**
* Get excerpt length
*
* @return int The excerpt length
*/
function roi_get_excerpt_length() {
return (int) roi_get_option('excerpt_length', 55);
}
/**
* Get excerpt more text
*
* @return string The excerpt more text
*/
function roi_get_excerpt_more() {
return roi_get_option('excerpt_more', '...');
}
/**
* Check if related posts should be shown
*
* @return bool
*/
function roi_show_related_posts() {
return roi_is_option_enabled('enable_related_posts');
}
/**
* Get number of related posts to show
*
* @return int
*/
function roi_get_related_posts_count() {
return (int) roi_get_option('related_posts_count', 3);
}
/**
* Get related posts taxonomy
*
* @return string
*/
function roi_get_related_posts_taxonomy() {
return roi_get_option('related_posts_taxonomy', 'category');
}
/**
* Get related posts title
*
* @return string
*/
function roi_get_related_posts_title() {
return roi_get_option('related_posts_title', __('Related Posts', 'roi-theme'));
}
/**
* Check if specific performance optimization is enabled
*
* @param string $optimization The optimization name
* @return bool
*/
function roi_is_performance_enabled($optimization) {
return roi_is_option_enabled('performance_' . $optimization);
}
/**
* Get copyright text
*
* @return string
*/
function roi_get_copyright_text() {
$default = sprintf(
__('&copy; %s %s. All rights reserved.', 'roi-theme'),
date('Y'),
get_bloginfo('name')
);
return roi_get_option('copyright_text', $default);
}
/**
* Get social media links
*
* @return array Array of social media links
*/
function roi_get_social_links() {
return array(
'facebook' => roi_get_option('social_facebook', ''),
'twitter' => roi_get_option('social_twitter', ''),
'instagram' => roi_get_option('social_instagram', ''),
'linkedin' => roi_get_option('social_linkedin', ''),
'youtube' => roi_get_option('social_youtube', ''),
);
}
/**
* Check if comments are enabled for posts
*
* @return bool
*/
function roi_comments_enabled_for_posts() {
return roi_is_option_enabled('enable_comments_posts');
}
/**
* Check if comments are enabled for pages
*
* @return bool
*/
function roi_comments_enabled_for_pages() {
return roi_is_option_enabled('enable_comments_pages');
}
/**
* Get default post layout
*
* @return string
*/
function roi_get_default_post_layout() {
return roi_get_option('default_post_layout', 'right-sidebar');
}
/**
* Get default page layout
*
* @return string
*/
function roi_get_default_page_layout() {
return roi_get_option('default_page_layout', 'right-sidebar');
}
/**
* Get posts per page for archive
*
* @return int
*/
function roi_get_archive_posts_per_page() {
$custom = (int) roi_get_option('archive_posts_per_page', 0);
return $custom > 0 ? $custom : get_option('posts_per_page', 10);
}
/**
* Check if featured image should be shown on single posts
*
* @return bool
*/
function roi_show_featured_image_single() {
return roi_is_option_enabled('show_featured_image_single');
}
/**
* Check if author box should be shown on single posts
*
* @return bool
*/
function roi_show_author_box() {
return roi_is_option_enabled('show_author_box');
}
/**
* Get date format
*
* @return string
*/
function roi_get_date_format() {
return roi_get_option('date_format', 'd/m/Y');
}
/**
* Get time format
*
* @return string
*/
function roi_get_time_format() {
return roi_get_option('time_format', 'H:i');
}
/**
* Get logo URL
*
* @return string
*/
function roi_get_logo_url() {
$logo_id = roi_get_option('site_logo', 0);
if ($logo_id) {
$logo = wp_get_attachment_image_url($logo_id, 'full');
if ($logo) {
return $logo;
}
}
return '';
}
/**
* Get favicon URL
*
* @return string
*/
function roi_get_favicon_url() {
$favicon_id = roi_get_option('site_favicon', 0);
if ($favicon_id) {
$favicon = wp_get_attachment_image_url($favicon_id, 'full');
if ($favicon) {
return $favicon;
}
}
return '';
}
/**
* Get custom CSS
*
* @return string
*/
function roi_get_custom_css() {
return roi_get_option('custom_css', '');
}
/**
* Get custom JS (header)
*
* @return string
*/
function roi_get_custom_js_header() {
return roi_get_option('custom_js_header', '');
}
/**
* Get custom JS (footer)
*
* @return string
*/
function roi_get_custom_js_footer() {
return roi_get_option('custom_js_footer', '');
}
/**
* Check if lazy loading is enabled
*
* @return bool
*/
function roi_is_lazy_loading_enabled() {
return roi_is_option_enabled('enable_lazy_loading');
}
/**
* Get all theme options
*
* @return array
*/
function roi_get_all_options() {
return get_option('roi_theme_options', array());
}
/**
* Reset theme options to defaults
*
* @return bool
*/
function roi_reset_options() {
return delete_option('roi_theme_options');
}
/**
* Check if Table of Contents is enabled
*
* @return bool
*/
function roi_is_toc_enabled() {
return roi_get_option('enable_toc', true);
}
/**
* Get minimum headings required to display TOC
*
* @return int
*/
function roi_get_toc_min_headings() {
return (int) roi_get_option('toc_min_headings', 2);
}
/**
* Get TOC title
*
* @return string
*/
function roi_get_toc_title() {
return roi_get_option('toc_title', __('Table of Contents', 'roi-theme'));
}

418
inc/theme-settings.php
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<?php
/**
* Theme Settings Helper Functions
*
* Funciones helper para leer configuraciones del tema desde la tabla personalizada
*
* @package ROI_Theme
* @since 2.0.0
*/
// Exit if accessed directly
if (!defined('ABSPATH')) {
exit;
}
/**
* Get theme setting value from custom table
*
* @param string $setting_name The setting name
* @param mixed $default Default value if setting doesn't exist
* @return mixed The setting value
*/
function roi_get_setting($setting_name, $default = '') {
// Cache estático para optimizar performance
static $db_manager = null;
static $settings_cache = null;
// Inicializar DB Manager una sola vez
if ($db_manager === null) {
$db_manager = new ROI_DB_Manager();
}
// Cargar todas las configuraciones una sola vez por request
if ($settings_cache === null) {
$settings_cache = $db_manager->get_config('theme');
// Si no hay configuraciones en la tabla, intentar desde wp_options
// (backward compatibility durante migración)
if (empty($settings_cache)) {
$settings_cache = get_option('roi_theme_options', array());
}
}
// Retornar valor específico
if (isset($settings_cache[$setting_name])) {
return $settings_cache[$setting_name];
}
return $default;
}
/**
* Get theme option value (ALIAS for backward compatibility)
*
* @deprecated 2.0.0 Use roi_get_setting() instead
* @param string $option_name The option name
* @param mixed $default Default value if option doesn't exist
* @return mixed The option value
*/
function roi_get_option($option_name, $default = '') {
return roi_get_setting($option_name, $default);
}
/**
* Check if setting is enabled (checkbox/switch)
*
* @param string $setting_name The setting name
* @return bool True if enabled, false otherwise
*/
function roi_is_setting_enabled($setting_name) {
return (bool) roi_get_setting($setting_name, false);
}
/**
* Check if option is enabled (ALIAS for backward compatibility)
*
* @deprecated 2.0.0 Use roi_is_setting_enabled() instead
* @param string $option_name The option name
* @return bool True if enabled, false otherwise
*/
function roi_is_option_enabled($option_name) {
return roi_is_setting_enabled($option_name);
}
/**
* Get breadcrumbs separator
*
* @return string The separator
*/
function roi_get_breadcrumb_separator() {
return roi_get_setting('breadcrumb_separator', '>');
}
/**
* Check if breadcrumbs should be shown
*
* @return bool
*/
function roi_show_breadcrumbs() {
return roi_is_setting_enabled('enable_breadcrumbs');
}
/**
* Get excerpt length
*
* @return int The excerpt length
*/
function roi_get_excerpt_length() {
return (int) roi_get_setting('excerpt_length', 55);
}
/**
* Get excerpt more text
*
* @return string The excerpt more text
*/
function roi_get_excerpt_more() {
return roi_get_setting('excerpt_more', '...');
}
/**
* Check if related posts should be shown
*
* @return bool
*/
function roi_show_related_posts() {
return roi_is_setting_enabled('enable_related_posts');
}
/**
* Get number of related posts to show
*
* @return int
*/
function roi_get_related_posts_count() {
return (int) roi_get_setting('related_posts_count', 3);
}
/**
* Get related posts taxonomy
*
* @return string
*/
function roi_get_related_posts_taxonomy() {
return roi_get_setting('related_posts_taxonomy', 'category');
}
/**
* Get related posts title
*
* @return string
*/
function roi_get_related_posts_title() {
return roi_get_setting('related_posts_title', __('Related Posts', 'roi-theme'));
}
/**
* Check if specific performance optimization is enabled
*
* @param string $optimization The optimization name
* @return bool
*/
function roi_is_performance_enabled($optimization) {
return roi_is_setting_enabled('performance_' . $optimization);
}
/**
* Get copyright text
*
* @return string
*/
function roi_get_copyright_text() {
$default = sprintf(
__('&copy; %s %s. All rights reserved.', 'roi-theme'),
date('Y'),
get_bloginfo('name')
);
return roi_get_setting('copyright_text', $default);
}
/**
* Get social media links
*
* @return array Array of social media links
*/
function roi_get_social_links() {
return array(
'facebook' => roi_get_setting('social_facebook', ''),
'twitter' => roi_get_setting('social_twitter', ''),
'instagram' => roi_get_setting('social_instagram', ''),
'linkedin' => roi_get_setting('social_linkedin', ''),
'youtube' => roi_get_setting('social_youtube', ''),
);
}
/**
* Check if comments are enabled for posts
*
* @return bool
*/
function roi_comments_enabled_for_posts() {
return roi_is_setting_enabled('enable_comments_posts');
}
/**
* Check if comments are enabled for pages
*
* @return bool
*/
function roi_comments_enabled_for_pages() {
return roi_is_setting_enabled('enable_comments_pages');
}
/**
* Get default post layout
*
* @return string
*/
function roi_get_default_post_layout() {
return roi_get_setting('default_post_layout', 'right-sidebar');
}
/**
* Get default page layout
*
* @return string
*/
function roi_get_default_page_layout() {
return roi_get_setting('default_page_layout', 'right-sidebar');
}
/**
* Get posts per page for archive
*
* @return int
*/
function roi_get_archive_posts_per_page() {
$custom = (int) roi_get_setting('archive_posts_per_page', 0);
return $custom > 0 ? $custom : get_option('posts_per_page', 10);
}
/**
* Check if featured image should be shown on single posts
*
* @return bool
*/
function roi_show_featured_image_single() {
return roi_is_setting_enabled('show_featured_image_single');
}
/**
* Check if author box should be shown on single posts
*
* @return bool
*/
function roi_show_author_box() {
return roi_is_setting_enabled('show_author_box');
}
/**
* Get date format
*
* @return string
*/
function roi_get_date_format() {
return roi_get_setting('date_format', 'd/m/Y');
}
/**
* Get time format
*
* @return string
*/
function roi_get_time_format() {
return roi_get_setting('time_format', 'H:i');
}
/**
* Get logo URL
*
* @return string
*/
function roi_get_logo_url() {
$logo_id = roi_get_setting('site_logo', 0);
if ($logo_id) {
$logo = wp_get_attachment_image_url($logo_id, 'full');
if ($logo) {
return $logo;
}
}
return '';
}
/**
* Get favicon URL
*
* @return string
*/
function roi_get_favicon_url() {
$favicon_id = roi_get_setting('site_favicon', 0);
if ($favicon_id) {
$favicon = wp_get_attachment_image_url($favicon_id, 'full');
if ($favicon) {
return $favicon;
}
}
return '';
}
/**
* Get custom CSS
*
* @return string
*/
function roi_get_custom_css() {
return roi_get_setting('custom_css', '');
}
/**
* Get custom JS (header)
*
* @return string
*/
function roi_get_custom_js_header() {
return roi_get_setting('custom_js_header', '');
}
/**
* Get custom JS (footer)
*
* @return string
*/
function roi_get_custom_js_footer() {
return roi_get_setting('custom_js_footer', '');
}
/**
* Check if lazy loading is enabled
*
* @return bool
*/
function roi_is_lazy_loading_enabled() {
return roi_is_setting_enabled('enable_lazy_loading');
}
/**
* Get all theme settings
*
* @return array
*/
function roi_get_all_settings() {
$db_manager = new ROI_DB_Manager();
$settings = $db_manager->get_config('theme');
// Backward compatibility: si no hay settings en tabla, leer de wp_options
if (empty($settings)) {
$settings = get_option('roi_theme_options', array());
}
return $settings;
}
/**
* Get all theme options (ALIAS for backward compatibility)
*
* @deprecated 2.0.0 Use roi_get_all_settings() instead
* @return array
*/
function roi_get_all_options() {
return roi_get_all_settings();
}
/**
* Reset theme settings to defaults
*
* @return bool
*/
function roi_reset_settings() {
$db_manager = new ROI_DB_Manager();
return $db_manager->delete_config('theme');
}
/**
* Reset theme options to defaults (ALIAS for backward compatibility)
*
* @deprecated 2.0.0 Use roi_reset_settings() instead
* @return bool
*/
function roi_reset_options() {
return roi_reset_settings();
}
/**
* Check if Table of Contents is enabled
*
* @return bool
*/
function roi_is_toc_enabled() {
return roi_get_setting('enable_toc', true);
}
/**
* Get minimum headings required to display TOC
*
* @return int
*/
function roi_get_toc_min_headings() {
return (int) roi_get_setting('toc_min_headings', 2);
}
/**
* Get TOC title
*
* @return string
*/
function roi_get_toc_title() {
return roi_get_setting('toc_title', __('Table of Contents', 'roi-theme'));
}

202
inc/toc.php
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@@ -1,202 +0,0 @@
<?php
/**
* Table of Contents (TOC) Functions
*
* This file contains functions to automatically generate a table of contents
* from post content headings (H2 and H3).
*
* @package ROI_Theme
* @since 1.0.0
*/
// Exit if accessed directly
if (!defined('ABSPATH')) {
exit;
}
/**
* Extract headings from post content
*
* Parses the content and extracts all H2 and H3 headings with their text.
*
* @param string $content Post content
* @return array Array of headings with level, text, and ID
*/
function roi_extract_headings($content) {
if (empty($content)) {
return array();
}
$headings = array();
// Match H2 and H3 tags with their content
preg_match_all('/<h([23])(?:[^>]*)>(.*?)<\/h\1>/i', $content, $matches, PREG_SET_ORDER);
foreach ($matches as $index => $match) {
$level = (int) $match[1]; // 2 or 3
$text = strip_tags($match[2]); // Remove any HTML tags inside heading
// Generate a clean ID from the heading text
$id = roi_generate_heading_id($text, $index);
$headings[] = array(
'level' => $level,
'text' => $text,
'id' => $id,
);
}
return $headings;
}
/**
* Generate a clean ID for a heading
*
* Creates a URL-friendly ID from heading text.
*
* @param string $text Heading text
* @param int $index Index of the heading (for uniqueness)
* @return string Clean ID
*/
function roi_generate_heading_id($text, $index) {
// Remove special characters and convert to lowercase
$id = sanitize_title($text);
// If ID is empty, use a fallback
if (empty($id)) {
$id = 'heading-' . $index;
}
return $id;
}
/**
* Generate HTML for Table of Contents
*
* Creates a nested list structure from the headings array.
*
* @param array $headings Array of headings from roi_extract_headings()
* @return string HTML for the table of contents
*/
function roi_generate_toc($headings) {
// Get minimum headings required from theme options
$min_headings = (int) roi_get_option('toc_min_headings', 2);
if (empty($headings) || count($headings) < $min_headings) {
return ''; // Don't show TOC if there are fewer headings than required
}
// Get custom TOC title from theme options
$toc_title = roi_get_toc_title();
$toc_html = '<nav class="roi-toc" aria-label="' . esc_attr($toc_title) . '">';
$toc_html .= '<div class="roi-toc-header">';
$toc_html .= '<h2 class="roi-toc-title">' . esc_html($toc_title) . '</h2>';
$toc_html .= '<button class="roi-toc-toggle" aria-expanded="true" aria-controls="roi-toc-list">';
$toc_html .= '<span class="toggle-icon" aria-hidden="true"></span>';
$toc_html .= '<span class="screen-reader-text">' . esc_html__('Toggle Table of Contents', 'roi-theme') . '</span>';
$toc_html .= '</button>';
$toc_html .= '</div>';
$toc_html .= '<ol class="roi-toc-list" id="roi-toc-list">';
$current_level = 2;
$open_sublists = 0;
foreach ($headings as $index => $heading) {
$level = $heading['level'];
$text = esc_html($heading['text']);
$id = esc_attr($heading['id']);
// Handle level changes
if ($level > $current_level) {
// Open nested list for H3
$toc_html .= '<ol class="roi-toc-sublist">';
$open_sublists++;
} elseif ($level < $current_level && $open_sublists > 0) {
// Close nested list when going back to H2
$toc_html .= '</li></ol></li>';
$open_sublists--;
} elseif ($index > 0) {
// Close previous item
$toc_html .= '</li>';
}
$toc_html .= '<li class="roi-toc-item roi-toc-level-' . $level . '">';
$toc_html .= '<a href="#' . $id . '" class="roi-toc-link">' . $text . '</a>';
$current_level = $level;
}
// Close any open lists
$toc_html .= '</li>';
while ($open_sublists > 0) {
$toc_html .= '</ol></li>';
$open_sublists--;
}
$toc_html .= '</ol>';
$toc_html .= '</nav>';
return $toc_html;
}
/**
* Add IDs to headings in content
*
* Modifies the post content to add ID attributes to H2 and H3 headings.
*
* @param string $content Post content
* @return string Modified content with IDs added to headings
*/
function roi_add_heading_ids($content) {
if (empty($content)) {
return $content;
}
// Extract headings first to get consistent IDs
$headings = roi_extract_headings($content);
if (empty($headings)) {
return $content;
}
// Replace headings with versions that include IDs
$heading_index = 0;
$content = preg_replace_callback(
'/<h([23])(?:[^>]*)>(.*?)<\/h\1>/i',
function($matches) use ($headings, &$heading_index) {
if (!isset($headings[$heading_index])) {
return $matches[0];
}
$level = $matches[1];
$text = $matches[2];
$id = $headings[$heading_index]['id'];
$heading_index++;
return '<h' . $level . ' id="' . esc_attr($id) . '">' . $text . '</h' . $level . '>';
},
$content
);
return $content;
}
/**
* Modify post content to add heading IDs
*
* Filters the_content to add IDs to headings for TOC linking.
*
* @param string $content Post content
* @return string Modified content
*/
function roi_filter_content_add_heading_ids($content) {
// Only apply to single posts
if (!is_single()) {
return $content;
}
return roi_add_heading_ids($content);
}
add_filter('the_content', 'roi_filter_content_add_heading_ids', 10);