| <?php |
| |
| // Declare theme features |
| add_theme_support( 'post-thumbnails' ); |
| |
| add_action( 'init', function () { |
| register_nav_menu('site-nav', __( 'Site Navigation' )); |
| register_nav_menu('footer-nav', __( 'Footer Navigation' )); |
| register_nav_menu('sitemap', __( 'Site Map Page' )); |
| register_nav_menu('feature-subnav', __( 'Feature Page Buttons' )); |
| } ); |
| |
| // Disable WP-emoji polyfill |
| add_action('init', function() { |
| remove_action('wp_head', 'print_emoji_detection_script', 7); |
| remove_action('admin_print_scripts', 'print_emoji_detection_script'); |
| remove_action('admin_print_styles', 'print_emoji_styles'); |
| remove_action('wp_print_styles', 'print_emoji_styles'); |
| remove_filter('the_content_feed', 'wp_staticize_emoji'); |
| remove_filter('comment_text_rss', 'wp_staticize_emoji'); |
| remove_filter('wp_mail', 'wp_staticize_emoji_for_email'); |
| // Remove DNS prefetch |
| add_filter('emoji_svg_url', '__return_false'); |
| }); |
| |
| add_action( 'wp_dashboard_setup', function () { |
| $SurveyWidget = new WebKit_Nightly_Survey(); |
| $SurveyWidget->add_widget(); |
| }); |
| |
| function modify_contact_methods($profile_fields) { |
| |
| // Add new fields |
| $profile_fields['twitter'] = 'Twitter Handle'; |
| unset($profile_fields['aim']); |
| unset($profile_fields['yim']); |
| unset($profile_fields['jabber']); |
| |
| return $profile_fields; |
| } |
| |
| function get_nightly_build ($type = 'builds') { |
| if (!class_exists('SyncWebKitNightlyBuilds')) |
| return false; |
| |
| $WebKitBuilds = SyncWebKitNightlyBuilds::object(); |
| $build = $WebKitBuilds->latest($type); |
| return $build; |
| } |
| |
| function get_nightly_source () { |
| return get_nightly_build('source'); |
| } |
| |
| function get_nightly_archives ($limit) { |
| if (!class_exists('SyncWebKitNightlyBuilds')) |
| return array(); |
| |
| $WebKitBuilds = SyncWebKitNightlyBuilds::object(); |
| $builds = $WebKitBuilds->records('builds', $limit); |
| return (array)$builds; |
| } |
| |
| function get_nightly_builds_json () { |
| if (!class_exists('SyncWebKitNightlyBuilds')) |
| return ''; |
| |
| $WebKitBuilds = SyncWebKitNightlyBuilds::object(); |
| $records = $WebKitBuilds->records('builds', 100000); |
| $builds = array(); |
| foreach ( $records as $build ) { |
| $builds[] = $build[0]; |
| } |
| $json = json_encode($builds); |
| return empty($json) ? "''" : $json; |
| } |
| |
| add_filter('user_contactmethods', function ($fields) { |
| // Add Twitter field to user profiles |
| $fields['twitter'] = 'Twitter Handle'; |
| |
| // Remove unused social networks |
| unset($fields['aim']); |
| unset($fields['yim']); |
| unset($fields['jabber']); |
| |
| return $fields; |
| }); |
| |
| add_action('init', function () { |
| register_sidebar(array( |
| 'name'=> 'Home Tiles', |
| 'id' => 'tiles', |
| 'before_widget' => '', |
| 'after_widget' => '', |
| 'before_title' => '', |
| 'after_title' => '', |
| )); |
| } ); |
| |
| // Start Page internal rewrite handling |
| add_action('after_setup_theme', function () { |
| add_rewrite_rule( |
| 'nightly/start/([^/]+)/([0-9]+)/?$', |
| 'index.php?pagename=nightly/start&nightly_branch=$matches[1]&nightly_build=$matches[2]', |
| 'top' |
| ); |
| }); |
| |
| add_filter('query_vars', function( $query_vars ) { |
| $query_vars[] = 'nightly_build'; |
| $query_vars[] = 'nightly_branch'; |
| return $query_vars; |
| }); |
| |
| add_filter('the_title', function( $title ) { |
| if ( is_admin() ) return $title; |
| if ( is_feed() ) return $title; |
| |
| $title = str_replace(": ", ": <br>", $title); |
| |
| $nowrap_strings = array(); |
| if ($nowrap_setting = get_option("webkit_org_nowrap_strings")) { |
| $nowrap_strings = explode("\n", $nowrap_setting); |
| } else add_option("webkit_org_nowrap_strings", "\n"); |
| |
| foreach ($nowrap_strings as $token) { |
| $nobreak = str_replace(" ", " ", trim($token)); |
| $title = str_replace(trim($token), $nobreak, $title); |
| } |
| |
| return $title; |
| }); |
| |
| // For RSS feeds, convert relative URIs to absolute |
| add_filter('the_content', function($content) { |
| if (!is_feed()) return $content; |
| $base = trailingslashit(get_site_url()); |
| $content = preg_replace('/<a([^>]*) href="\/([^"]*)"/', '<a$1 href="' . $base . '$2"', $content); |
| $content = preg_replace('/<img([^>]*) src="\/([^"]*)"/', '<img$1 src="' . $base . '$2"', $content); |
| return $content; |
| }); |
| |
| // Add Web Inspector Reference notice to Web Inspector blog posts |
| add_filter('the_content', function($content) { |
| if (!has_term('web-inspector', 'category', get_post())) |
| return $content; |
| |
| $note = '<div class="note">Note: Learn more about Web Inspector from the <a href="/web-inspector/">Web Inspector Reference</a> documentation.</div>'; |
| $position = get_post_meta(get_the_ID(), 'web-inspector-reference-note', true); |
| |
| if ($position === 'before') |
| $content = $note . $content; |
| else |
| $content .= $note; |
| |
| return $content; |
| }); |
| |
| add_action('wp_head', function () { |
| if (!is_single()) return; |
| |
| $style = get_post_meta(get_the_ID(), 'style', true); |
| if (!empty($style)) |
| echo '<style type="text/css">' . $style . '</style>'; |
| |
| $script = get_post_meta(get_the_ID(), 'script', true); |
| if (!empty($script)) |
| echo '<script type="text/javascript">' . $script . '</script>'; |
| }); |
| |
| add_action('the_post', function($post) { |
| global $pages; |
| |
| if (!(is_single() || is_page())) return; |
| |
| $content = $post->post_content; |
| if (strpos($content, 'abovetitle') === false) return; |
| if (strpos($content, '<img') !== 0) return; |
| |
| $post->post_title_img = substr($content, 0, strpos($content, ">\n") + 3); |
| $post->post_content = str_replace($post->post_title_img, '', $content); |
| $pages = array($post->post_content); |
| }); |
| |
| add_action('the_post', function($post) { |
| global $pages; |
| |
| if (!(is_single() || is_page())) return; |
| |
| $foreword = get_post_meta(get_the_ID(), 'foreword', true); |
| if ( ! $foreword ) return; |
| |
| $content = $post->post_content; |
| // Transform Markdown |
| $Markdown = WPCom_Markdown::get_instance(); |
| $foreword = wp_unslash( $Markdown->transform($foreword) ); |
| |
| $post->post_content = '<div class="foreword">' . $foreword . '</div>' . $content; |
| $pages = array($post->post_content); |
| }); |
| |
| add_filter('the_author', function($display_name) { |
| $post = get_post(); |
| if (!(is_single() || is_page())) return; |
| $byline = get_post_meta(get_the_ID(), 'byline', true); |
| return empty($byline) ? $display_name : $byline; |
| }); |
| |
| function before_the_title() { |
| $post = get_post(); |
| |
| if ( isset($post->post_title_img) ) |
| echo wp_make_content_images_responsive($post->post_title_img); |
| } |
| |
| // Hide category 41: Legacy from archives |
| add_filter('pre_get_posts', function ($query) { |
| if ( $query->is_home() ) |
| $query->set('cat', '-41'); |
| return $query; |
| }); |
| |
| add_filter( 'get_the_excerpt', function( $excerpt ) { |
| $sentences = preg_split( '/(\.|!|\?)\s/', $excerpt, 2, PREG_SPLIT_DELIM_CAPTURE ); |
| |
| // if ( empty($sentences[1]) ) |
| // $sentences[1] = '…'; |
| |
| return $sentences[0] . $sentences[1]; |
| |
| }); |
| |
| function show_404_page() { |
| status_header(404); |
| return include( get_query_template( '404' ) ); |
| } |
| |
| include('widgets/post.php'); |
| include('widgets/icon.php'); |
| include('widgets/twitter.php'); |
| include('widgets/page.php'); |
| |
| function table_of_contents() { |
| if ( class_exists('WebKitTableOfContents') ) |
| WebKitTableOfContents::markup(); |
| } |
| |
| function has_table_of_contents() { |
| if ( class_exists('WebKitTableOfContents') ) |
| return WebKitTableOfContents::hasIndex(); |
| } |
| |
| function table_of_contents_index( $content, $post_id ) { |
| if ( ! class_exists('WebKitTableOfContents') ) |
| return $content; |
| $content = WebKitTableOfContents::parse($content); |
| WebKitTableOfContents::wp_insert_post($post_id); |
| return $content; |
| } |
| |
| function is_super_cache_enabled() { |
| global $super_cache_enabled; |
| return (isset($super_cache_enabled) && true === $super_cache_enabled); |
| } |
| |
| function include_post_icons() { |
| echo WebKit_Post_Icons::parse_icons(); |
| } |
| |
| function include_invert_lightness_filter() { |
| include('images/invert-lightness.svg'); |
| } |
| |
| function get_post_icon() { |
| |
| $categories = get_the_category(); |
| if (isset($categories[0])) |
| $slug = $categories[0]->slug; |
| |
| if ('web-inspector' == $slug) { |
| $tags = get_the_tags(); |
| if (isset($tags[0])) |
| $slug = $tags[0]->slug; |
| } |
| |
| if (!WebKit_Post_Icons::has_icon($slug)) |
| return 'default'; |
| |
| return $slug; |
| } |
| |
| function tag_post_image_luminance($post_id) { |
| $threshold = 128; |
| $tags = array(); |
| |
| // Get the image data |
| $image_src = wp_get_attachment_image_src( get_post_thumbnail_id($post_id), 'small' ); |
| $image_url = $image_src[0]; |
| |
| if ( empty($image_url) ) return $post_id; |
| |
| // detect luminence value |
| $luminance = calculate_image_luminance($image_url); |
| $tags = wp_get_post_tags($post_id, array('fields' => 'names')); |
| |
| if ( $luminance < $threshold ) |
| $tags[] = 'dark'; |
| elseif ( false !== ( $key = array_search('dark', $messages) ) ) |
| unset($tags[ $key ]); |
| |
| // Set a tag class |
| if ( ! empty($tags) ) |
| wp_set_post_tags( $post_id, $tags, true ); |
| |
| return $post_id; |
| } |
| |
| function calculate_image_luminance($image_url) { |
| if (!function_exists('ImageCreateFromString')) |
| return 1; |
| |
| // Get original image dimensions |
| $size = getimagesize($image_url); |
| |
| // Create image resource from source image |
| $image = ImageCreateFromString(file_get_contents($image_url)); |
| |
| // Allocate image resource |
| $sample = ImageCreateTrueColor(1, 1); |
| |
| // Flood fill with a white background (to properly calculate luminance of PNGs with alpha) |
| ImageFill($sample , 0, 0, ImageColorAllocate($sample, 255, 255, 255)); |
| |
| // Downsample to 1x1 image |
| ImageCopyResampled($sample, $image, 0, 0, 0, 0, 1, 1, $size[0], $size[1]); |
| |
| // Get the RGB value of the pixel |
| $rgb = ImageColorAt($sample, 0, 0); |
| $red = ($rgb >> 16) & 0xFF; |
| $green = ($rgb >> 8) & 0xFF; |
| $blue = $rgb & 0xFF; |
| |
| // Calculate relative luminance value (https://en.wikipedia.org/wiki/Relative_luminance) |
| return ( 0.2126 * $red + 0.7152 * $green + 0.0722 * $blue); |
| } |
| |
| function html_select_options(array $list, $selected = null, $values = false, $append = false) { |
| if ( ! is_array($list) ) return ''; |
| |
| $_ = ''; |
| |
| // Append the options if the selected value doesn't exist |
| if ( ( ! in_array($selected, $list) && ! isset($list[ $selected ])) && $append ) |
| $_ .= '<option value="' . esc_attr($selected) . '">' .esc_html($selected) . '</option>'; |
| |
| foreach ( $list as $value => $text ) { |
| |
| $value_attr = $selected_attr = ''; |
| |
| if ( $values ) $value_attr = ' value="' . esc_attr($value) . '"'; |
| if ( ( $values && (string)$value === (string)$selected) |
| || ( ! $values && (string)$text === (string)$selected ) ) |
| $selected_attr = ' selected="selected"'; |
| |
| if ( is_array($text) ) { |
| $label = $value; |
| $_ .= '<optgroup label="' . esc_attr($label) . '">'; |
| $_ .= html_select_options($text, $selected, $values); |
| $_ .= '</optgroup>'; |
| continue; |
| } else $_ .= "<option$value_attr$selected_attr>$text</option>"; |
| |
| } |
| return $_; |
| } |
| |
| add_filter('save_post', 'tag_post_image_luminance'); |
| |
| add_filter('next_post_link', function ( $format ) { |
| return str_replace('href=', 'class="page-numbers next-post" href=', $format); |
| }); |
| add_filter('previous_post_link', function ( $format ) { |
| return str_replace('href=', 'class="page-numbers prev-post" href=', $format); |
| }); |
| |
| // Queue global scripts |
| add_action( 'wp_enqueue_scripts', function () { |
| wp_register_script( |
| 'theme-global', |
| get_stylesheet_directory_uri() . '/scripts/global.js', |
| false, |
| '1.0', |
| true |
| ); |
| |
| wp_enqueue_script( 'theme-global' ); |
| |
| } ); |
| |
| class Responsive_Toggle_Walker_Nav_Menu extends Walker_Nav_Menu { |
| |
| private $toggleid = null; |
| |
| public function start_lvl( &$output, $depth = 0, $args = array() ) { |
| $output .= "\n" . str_repeat("\t", $depth); |
| $classes = array("sub-menu"); |
| if ( 0 == $depth ) { |
| $classes[] = "sub-menu-layer"; |
| } |
| $id = ( 0 == $depth ) ? " id=\"sub-menu-for-{$this->toggleid}\"" : ''; |
| $class_names = esc_attr(join( ' ', $classes )); |
| $output .= "<ul class=\"$class_names\" role=\"menu\"$id>\n"; |
| } |
| |
| public function end_lvl( &$output, $depth = 0, $args = array() ) { |
| $indent = str_repeat("\t", $depth); |
| $output .= "$indent</ul>\n"; |
| } |
| |
| public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) { |
| |
| $before = $args->link_before; |
| $after = $args->link_after; |
| |
| if ( in_array('menu-item-has-children', $item->classes) && 0 == $depth ) { |
| $this->toggleid = $item->ID; |
| $args->before .= "<input type=\"checkbox\" id=\"toggle-{$item->ID}\" class=\"menu-toggle\" />"; |
| $args->link_before = "<label for=\"toggle-{$item->ID}\" class=\"label-toggle\">" . $args->link_before; |
| $args->link_after .= "</label>"; |
| $item->url = '#nav-sub-menu'; |
| } elseif ( in_array('menu-item-has-children', $item->classes) && 1 == $depth ) { |
| // $item->role = "presentation"; |
| } else $toggleid = null; |
| |
| $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; |
| |
| $classes = empty( $item->classes ) ? array() : (array) $item->classes; |
| $classes[] = 'menu-item-' . $item->ID; |
| |
| $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) ); |
| $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : ''; |
| |
| $id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args, $depth ); |
| $id = $id ? ' id="' . esc_attr( $id ) . '"' : ''; |
| |
| $output .= $indent . '<li' . $id . $class_names . '>'; |
| |
| $atts = array(); |
| $atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : ''; |
| $atts['target'] = ! empty( $item->target ) ? $item->target : ''; |
| $atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : ''; |
| $atts['href'] = ! empty( $item->url ) ? $item->url : ''; |
| $atts['role'] = ! empty( $item->role ) ? $item->role : 'menuitem'; |
| |
| if ( in_array('menu-item-has-children', $item->classes) && 0 == $depth ) { |
| $atts['aria-haspopup'] = "true"; |
| $atts['aria-owns'] = 'sub-menu-for-' . $item->ID; |
| $atts['aria-controls'] = 'sub-menu-for-' . $item->ID; |
| $atts['aria-expanded'] = 'true'; |
| } |
| |
| $atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth ); |
| |
| $attributes = ''; |
| foreach ( $atts as $attr => $value ) { |
| if ( ! empty( $value ) ) { |
| $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); |
| $attributes .= ' ' . $attr . '="' . $value . '"'; |
| } |
| } |
| |
| $item_output = $args->before; |
| $item_output .= '<a'. $attributes .'>'; |
| $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after; |
| $item_output .= '</a>'; |
| $item_output .= $args->after; |
| |
| $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); |
| |
| $args->link_before = $before; |
| $args->link_after = $after; |
| } |
| |
| } |
| |
| class WebKit_Post_Icons { |
| |
| private static $registry = array(); |
| |
| public static function parse_icons() { |
| if (!empty(self::$registry)) |
| return ''; |
| |
| $svg_string = file_get_contents(get_stylesheet_directory() . '/images/icons.svg'); |
| $svg = new SimpleXMLElement( $svg_string ); |
| $svg->registerXPathNamespace('svg', 'http://www.w3.org/2000/svg'); |
| |
| $matches = $svg->xpath('//svg:symbol/@id'); |
| foreach ($matches as $symbol) |
| self::$registry[(string)$symbol['id']] = true; |
| |
| return $svg_string; |
| } |
| |
| public static function has_icon($id) { |
| return isset(self::$registry[$id]); |
| } |
| |
| } |
| |
| class Front_Page_Posts { |
| |
| private static $object; // Singleton instance |
| |
| private static $wp_query; // WP_Query instance |
| |
| public static function &object () { |
| if ( ! self::$object instanceof self ) |
| self::$object = new self; |
| |
| if ( empty(self::$wp_query) ) |
| self::$wp_query = new WP_Query(array('post_type' => 'post', 'posts_per_page' => 16)); |
| |
| return self::$object; |
| } |
| |
| public static function WP_Query() { |
| return self::$wp_query; |
| } |
| |
| } |
| |
| class WebKit_Nightly_Survey { |
| |
| const COOKIE_PREFIX = 'webkitnightlysurvey_'; |
| const DATA_SETTING_NAME = 'webkit_nightly_survey_data'; |
| const SURVEY_FILENAME = 'survey.json'; |
| |
| public function add_widget() { |
| |
| wp_add_dashboard_widget( |
| 'webkit_nightly_survey_results', // Widget slug |
| 'WebKit Nightly Survey Results', // Title |
| array($this, 'display_widget') // Display function |
| ); |
| |
| if (isset($_GET['wksurvey']) && $_GET['wksurvey'] == 'download') |
| $this->download() && exit; |
| |
| } |
| |
| public function display_widget() { |
| $data = get_option(self::DATA_SETTING_NAME); |
| $styles = " |
| <style> |
| .survey_table .question { |
| text-align: left; |
| } |
| .survey_table .score { |
| font-size: 15px; |
| min-width: 30px; |
| text-align: right; |
| vertical-align: top; |
| padding-right: 10px; |
| } |
| .survey_table .others { |
| font-style: italic; |
| } |
| </style> |
| "; |
| |
| $response_limit = 10; |
| $table = ''; |
| foreach ($data as $question => $responses) { |
| $question_row = '<tr><th colspan="2" class="question">' . $question . '</th></tr>'; |
| $response_rows = ''; |
| arsort($responses); |
| $response_count = 0; |
| $total_responses = count($responses); |
| foreach ($responses as $response => $votes) { |
| $response_rows .= '<tr><td class="score">' . intval($votes) . '</td><td class="response">' . stripslashes($response) . '</td></tr>'; |
| if ( ++$response_count >= $response_limit && $response_count < $total_responses) { |
| $response_rows .= '<tr><td class="score others">' . intval($total_responses - $response_limit) . '</td><td class="response others">more "other" responses</td></tr>'; |
| break; |
| } |
| } |
| $table .= $question_row . $response_rows; |
| } |
| echo $styles; |
| echo '<table class="survey_table">' . $table . '</table>'; |
| echo '<p class="textright"><a class="button button-primary" href="' . add_query_arg('wksurvey','download',admin_url()) . '">Download Results as CSV</a></p>'; |
| } |
| |
| private function download() { |
| $data = get_option(self::DATA_SETTING_NAME); |
| $table = ''; |
| |
| header('Content-type: text/csv; charset=UTF-8'); |
| header('Content-Disposition: attachment; filename="webkit_nightly_survey.csv"'); |
| header('Content-Description: Delivered by webkit.org'); |
| header('Cache-Control: maxage=1'); |
| header('Pragma: public'); |
| |
| foreach ($data as $question => $responses) { |
| $question_row = 'Score,' . $question . "\n"; |
| $response_rows = ''; |
| arsort($responses); |
| foreach ($responses as $response => $votes) { |
| $response_rows .= intval($votes) . ',' . stripslashes($response) . "\n"; |
| } |
| $table .= $question_row . $response_rows . "\n"; |
| } |
| echo $table; |
| |
| exit; |
| } |
| |
| public function process() { |
| if ( empty($_POST) ) return; |
| |
| if ( ! wp_verify_nonce($_POST['_nonce'], self::SURVEY_FILENAME) ) |
| wp_die('Invalid WebKit Nightly Survey submission.'); |
| |
| $score = $data = get_option(self::DATA_SETTING_NAME); |
| $Survey = self::survey(); |
| foreach ($Survey as $id => $SurveyQuestion) { |
| if ( ! isset($score[ $SurveyQuestion->question ]) ) |
| $score[ $SurveyQuestion->question ] = array(); |
| $response = $_POST['questions'][ $id ]; |
| $answer = empty($SurveyQuestion->responses[ $response ]) ? $response : $SurveyQuestion->responses[ $response ]; |
| if ($answer == 'Other:') |
| $answer = $_POST['other'][ $id ]; |
| $score[ $SurveyQuestion->question ][ $answer ]++; |
| } |
| |
| if ( $data === false ) { |
| $deprecated = null; |
| $autoload = 'no'; |
| add_option(self::DATA_SETTING_NAME, $score, $deprecated, $autoload); |
| } else { |
| update_option(self::DATA_SETTING_NAME, $score); |
| } |
| |
| $httponly = false; |
| $secure = false; |
| setcookie(self::cookie_name(), 1, time() + YEAR_IN_SECONDS, '/', WP_HOST, $secure, $httponly ); |
| $_COOKIE[ self::cookie_name() ] = 1; |
| } |
| |
| public static function responded() { |
| return isset($_COOKIE[ self::cookie_name() ]); |
| } |
| |
| private static function cookie_name() { |
| return self::COOKIE_PREFIX . COOKIEHASH; |
| } |
| |
| public static function survey_file() { |
| return dirname(__FILE__) . '/' . self::SURVEY_FILENAME; |
| } |
| |
| public static function form_nonce() { |
| return '<input type="hidden" name="_nonce" value="' . wp_create_nonce( self::SURVEY_FILENAME ) . '">'; |
| } |
| |
| public static function survey () { |
| $survey_json = file_get_contents(self::survey_file()); |
| $Decoded = json_decode($survey_json); |
| return isset($Decoded->survey) ? $Decoded->survey : array(); |
| } |
| |
| } |
| |
| /** Workaround to support <dialog> tags by customizing the built-in wpautop() function **/ |
| remove_filter('the_content', 'wpautop'); |
| add_filter('the_content', function ($pee, $br = true) { |
| /** |
| * Replaces double line breaks with paragraph elements. |
| * |
| * A group of regex replaces used to identify text formatted with newlines and |
| * replace double line breaks with HTML paragraph tags. The remaining line breaks |
| * after conversion become <<br />> tags, unless $br is set to '0' or 'false'. |
| * |
| * @since 0.71 |
| * |
| * @param string $pee The text which has to be formatted. |
| * @param bool $br Optional. If set, this will convert all remaining line breaks |
| * after paragraphing. Line breaks within `<script>`, `<style>`, |
| * and `<svg>` tags are not affected. Default true. |
| * @return string Text which has been converted into correct paragraph tags. |
| */ |
| $pre_tags = array(); |
| |
| if ( trim( $pee ) === '' ) { |
| return ''; |
| } |
| |
| // Just to make things a little easier, pad the end. |
| $pee = $pee . "\n"; |
| |
| /* |
| * Pre tags shouldn't be touched by autop. |
| * Replace pre tags with placeholders and bring them back after autop. |
| */ |
| if ( strpos( $pee, '<pre' ) !== false ) { |
| $pee_parts = explode( '</pre>', $pee ); |
| $last_pee = array_pop( $pee_parts ); |
| $pee = ''; |
| $i = 0; |
| |
| foreach ( $pee_parts as $pee_part ) { |
| $start = strpos( $pee_part, '<pre' ); |
| |
| // Malformed HTML? |
| if ( false === $start ) { |
| $pee .= $pee_part; |
| continue; |
| } |
| |
| $name = "<pre wp-pre-tag-$i></pre>"; |
| $pre_tags[ $name ] = substr( $pee_part, $start ) . '</pre>'; |
| |
| $pee .= substr( $pee_part, 0, $start ) . $name; |
| $i++; |
| } |
| |
| $pee .= $last_pee; |
| } |
| // Change multiple <br>'s into two line breaks, which will turn into paragraphs. |
| $pee = preg_replace( '|<br\s*/?>\s*<br\s*/?>|', "\n\n", $pee ); |
| |
| $allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary|dialog)'; |
| |
| // Add a double line break above block-level opening tags. |
| $pee = preg_replace( '!(<' . $allblocks . '[\s/>])!', "\n\n$1", $pee ); |
| |
| // Add a double line break below block-level closing tags. |
| $pee = preg_replace( '!(</' . $allblocks . '>)!', "$1\n\n", $pee ); |
| |
| // Add a double line break after hr tags, which are self closing. |
| $pee = preg_replace( '!(<hr\s*?/?>)!', "$1\n\n", $pee ); |
| |
| // Standardize newline characters to "\n". |
| $pee = str_replace( array( "\r\n", "\r" ), "\n", $pee ); |
| |
| // Find newlines in all elements and add placeholders. |
| $pee = wp_replace_in_html_tags( $pee, array( "\n" => ' <!-- wpnl --> ' ) ); |
| |
| // Collapse line breaks before and after <option> elements so they don't get autop'd. |
| if ( strpos( $pee, '<option' ) !== false ) { |
| $pee = preg_replace( '|\s*<option|', '<option', $pee ); |
| $pee = preg_replace( '|</option>\s*|', '</option>', $pee ); |
| } |
| |
| /* |
| * Collapse line breaks inside <object> elements, before <param> and <embed> elements |
| * so they don't get autop'd. |
| */ |
| if ( strpos( $pee, '</object>' ) !== false ) { |
| $pee = preg_replace( '|(<object[^>]*>)\s*|', '$1', $pee ); |
| $pee = preg_replace( '|\s*</object>|', '</object>', $pee ); |
| $pee = preg_replace( '%\s*(</?(?:param|embed)[^>]*>)\s*%', '$1', $pee ); |
| } |
| |
| /* |
| * Collapse line breaks inside <audio> and <video> elements, |
| * before and after <source> and <track> elements. |
| */ |
| if ( strpos( $pee, '<source' ) !== false || strpos( $pee, '<track' ) !== false ) { |
| $pee = preg_replace( '%([<\[](?:audio|video)[^>\]]*[>\]])\s*%', '$1', $pee ); |
| $pee = preg_replace( '%\s*([<\[]/(?:audio|video)[>\]])%', '$1', $pee ); |
| $pee = preg_replace( '%\s*(<(?:source|track)[^>]*>)\s*%', '$1', $pee ); |
| } |
| |
| // Collapse line breaks before and after <figcaption> elements. |
| if ( strpos( $pee, '<figcaption' ) !== false ) { |
| $pee = preg_replace( '|\s*(<figcaption[^>]*>)|', '$1', $pee ); |
| $pee = preg_replace( '|</figcaption>\s*|', '</figcaption>', $pee ); |
| } |
| |
| // Remove more than two contiguous line breaks. |
| $pee = preg_replace( "/\n\n+/", "\n\n", $pee ); |
| |
| // Split up the contents into an array of strings, separated by double line breaks. |
| $pees = preg_split( '/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY ); |
| |
| // Reset $pee prior to rebuilding. |
| $pee = ''; |
| |
| // Rebuild the content as a string, wrapping every bit with a <p>. |
| foreach ( $pees as $tinkle ) { |
| $pee .= '<p>' . trim( $tinkle, "\n" ) . "</p>\n"; |
| } |
| |
| // Under certain strange conditions it could create a P of entirely whitespace. |
| $pee = preg_replace( '|<p>\s*</p>|', '', $pee ); |
| |
| // Add a closing <p> inside <div>, <address>, or <form> tag if missing. |
| $pee = preg_replace( '!<p>([^<]+)</(div|address|form)>!', '<p>$1</p></$2>', $pee ); |
| |
| // If an opening or closing block element tag is wrapped in a <p>, unwrap it. |
| $pee = preg_replace( '!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', '$1', $pee ); |
| |
| // In some cases <li> may get wrapped in <p>, fix them. |
| $pee = preg_replace( '|<p>(<li.+?)</p>|', '$1', $pee ); |
| |
| // If a <blockquote> is wrapped with a <p>, move it inside the <blockquote>. |
| $pee = preg_replace( '|<p><blockquote([^>]*)>|i', '<blockquote$1><p>', $pee ); |
| $pee = str_replace( '</blockquote></p>', '</p></blockquote>', $pee ); |
| |
| // If an opening or closing block element tag is preceded by an opening <p> tag, remove it. |
| $pee = preg_replace( '!<p>\s*(</?' . $allblocks . '[^>]*>)!', '$1', $pee ); |
| |
| // If an opening or closing block element tag is followed by a closing <p> tag, remove it. |
| $pee = preg_replace( '!(</?' . $allblocks . '[^>]*>)\s*</p>!', '$1', $pee ); |
| |
| // Optionally insert line breaks. |
| if ( $br ) { |
| // Replace newlines that shouldn't be touched with a placeholder. |
| $pee = preg_replace_callback( '/<(script|style|svg).*?<\/\\1>/s', '_autop_newline_preservation_helper', $pee ); |
| |
| // Normalize <br> |
| $pee = str_replace( array( '<br>', '<br/>' ), '<br />', $pee ); |
| |
| // Replace any new line characters that aren't preceded by a <br /> with a <br />. |
| $pee = preg_replace( '|(?<!<br />)\s*\n|', "<br />\n", $pee ); |
| |
| // Replace newline placeholders with newlines. |
| $pee = str_replace( '<WPPreserveNewline />', "\n", $pee ); |
| } |
| |
| // If a <br /> tag is after an opening or closing block tag, remove it. |
| $pee = preg_replace( '!(</?' . $allblocks . '[^>]*>)\s*<br />!', '$1', $pee ); |
| |
| // If a <br /> tag is before a subset of opening or closing block tags, remove it. |
| $pee = preg_replace( '!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee ); |
| $pee = preg_replace( "|\n</p>$|", '</p>', $pee ); |
| |
| // Replace placeholder <pre> tags with their original content. |
| if ( ! empty( $pre_tags ) ) { |
| $pee = str_replace( array_keys( $pre_tags ), array_values( $pre_tags ), $pee ); |
| } |
| |
| // Restore newlines in all elements. |
| if ( false !== strpos( $pee, '<!-- wpnl -->' ) ) { |
| $pee = str_replace( array( ' <!-- wpnl --> ', '<!-- wpnl -->' ), "\n", $pee ); |
| } |
| |
| return $pee; |
| }); |
