/**
* Output the Google+ specific title
*/
public function google_plus_title()
{
if (is_singular()) {
$title = YMBESEO_Meta::get_value('google-plus-title');
/**
* Filter: 'YMBESEO_googleplus_title' - Allow developers to change the Google+ specific title
*
* @api string $title The title string
*/
$title = trim(apply_filters('YMBESEO_googleplus_title', $title));
if (is_string($title) && $title !== '') {
$title = YMBESEO_replace_vars($title, get_post());
echo '<meta itemprop="name" content="', esc_attr($title), '">', "\n";
}
}
}
/**
* Calculate the page analysis results for post.
*
* @todo [JRF => whomever] check whether the results of this method are always checked with is_wp_error()
* @todo [JRF => whomever] check the usage of this method as it's quite intense/heavy, see if it's only
* used when really necessary
* @todo [JRF => whomever] see if we can get rid of the passing by reference of $results as it makes
* the code obfuscated
*
* @param object $post Post to calculate the results for.
*
* @return array|WP_Error
*/
function calculate_results($post)
{
$options = YMBESEO_Options::get_all();
if (!class_exists('DOMDocument')) {
$result = new WP_Error('no-domdocument', sprintf(__("Your hosting environment does not support PHP's %sDocument Object Model%s.", 'ymbeseo'), '<a href="http://php.net/manual/en/book.dom.php">', '</a>') . ' ' . __("To enjoy all the benefits of the page analysis feature, you'll need to (get your host to) install it.", 'ymbeseo'));
return $result;
}
if (!is_array($post) && !is_object($post)) {
$result = new WP_Error('no-post', __('No post content to analyse.', 'ymbeseo'));
return $result;
} elseif (self::get_value('focuskw', $post->ID) === '') {
$result = new WP_Error('no-focuskw', sprintf(__('No focus keyword was set for this %s. If you do not set a focus keyword, no score can be calculated.', 'ymbeseo'), $post->post_type));
self::set_value('linkdex', 0, $post->ID);
return $result;
} elseif (apply_filters('YMBESEO_use_page_analysis', true) !== true) {
$result = new WP_Error('page-analysis-disabled', sprintf(__('Page Analysis has been disabled.', 'ymbeseo'), $post->post_type));
return $result;
}
$results = array();
$job = array();
$sampleurl = $this->get_sample_permalink($post);
$job['pageUrl'] = preg_replace('`%(?:post|page)name%`', $sampleurl[1], $sampleurl[0]);
$job['pageSlug'] = urldecode($post->post_name);
$job['keyword'] = self::get_value('focuskw', $post->ID);
$job['keyword_folded'] = $this->strip_separators_and_fold($job['keyword']);
$job['post_id'] = $post->ID;
$job['post_type'] = $post->post_type;
$dom = new domDocument();
$dom->strictErrorChecking = false;
$dom->preserveWhiteSpace = false;
/**
* Filter: 'YMBESEO_pre_analysis_post_content' - Make the post content filterable before calculating the page analysis
*
* @api string $post_content The post content
*
* @param object $post The post.
*/
$post_content = apply_filters('YMBESEO_pre_analysis_post_content', $post->post_content, $post);
// Check if the post content is not empty.
if (!empty($post_content)) {
@$dom->loadHTML($post_content);
}
unset($post_content);
$xpath = new DOMXPath($dom);
// Check if this focus keyword has been used already.
$this->check_double_focus_keyword($job, $results);
// Keyword.
$this->score_keyword($job['keyword'], $results);
// Title.
$title = self::get_value('title', $post->ID);
if ($title !== '') {
$job['title'] = $title;
} else {
if (isset($options['title-' . $post->post_type]) && $options['title-' . $post->post_type] !== '') {
$title_template = $options['title-' . $post->post_type];
} else {
$title_template = '%%title%% - %%sitename%%';
}
$job['title'] = YMBESEO_replace_vars($title_template, $post);
}
unset($title);
$this->score_title($job, $results);
// Meta description.
$description = '';
$desc_meta = self::get_value('metadesc', $post->ID);
if ($desc_meta !== '') {
$description = $desc_meta;
} elseif (isset($options['metadesc-' . $post->post_type]) && $options['metadesc-' . $post->post_type] !== '') {
$description = YMBESEO_replace_vars($options['metadesc-' . $post->post_type], $post);
}
unset($desc_meta);
self::$meta_length = apply_filters('YMBESEO_metadesc_length', self::$meta_length, $post);
$this->score_description($job, $results, $description, self::$meta_length);
unset($description);
// Body.
$body = $this->get_body($post);
$firstp = $this->get_first_paragraph($body);
$this->score_body($job, $results, $body, $firstp);
unset($firstp);
// URL.
$this->score_url($job, $results);
// Headings.
$headings = $this->get_headings($body);
$this->score_headings($job, $results, $headings);
unset($headings);
// Images.
$imgs = array();
$imgs['count'] = substr_count($body, '<img');
$imgs = $this->get_images_alt_text($post->ID, $body, $imgs);
// Check featured image.
if (function_exists('has_post_thumbnail') && has_post_thumbnail()) {
$imgs['count'] += 1;
if (empty($imgs['alts'])) {
$imgs['alts'] = array();
}
$imgs['alts'][] = $this->strtolower_utf8(get_post_meta(get_post_thumbnail_id($post->ID), '_wp_attachment_image_alt', true));
}
$this->score_images_alt_text($job, $results, $imgs);
unset($imgs);
unset($body);
// Anchors.
$anchors = $this->get_anchor_texts($xpath);
$count = $this->get_anchor_count($xpath);
$this->score_anchor_texts($job, $results, $anchors, $count);
unset($anchors, $count, $dom);
$results = apply_filters('YMBESEO_linkdex_results', $results, $job, $post);
$this->aasort($results, 'val');
$overall = 0;
$overall_max = 0;
foreach ($results as $result) {
$overall += $result['val'];
$overall_max += 9;
}
unset($result);
if ($overall < 1) {
$overall = 1;
}
$score = YMBESEO_Utils::calc(YMBESEO_Utils::calc($overall, '/', $overall_max), '*', 100, true);
if (!is_wp_error($score)) {
self::set_value('linkdex', absint($score), $post->ID);
$results['total'] = $score;
}
return $results;
}
/**
* Used in the editor to replace vars for the snippet preview
*/
function YMBESEO_ajax_replace_vars()
{
global $post;
check_ajax_referer('wpseo-replace-vars');
$post = get_post(intval(filter_input(INPUT_POST, 'post_id')));
$omit = array('excerpt', 'excerpt_only', 'title');
echo YMBESEO_replace_vars(stripslashes(filter_input(INPUT_POST, 'string')), $post, $omit);
die;
}
/**
* Generates the meta description text.
*/
private function generate_metadesc()
{
global $post, $wp_query;
$metadesc = '';
$metadesc_override = false;
$post_type = '';
$template = '';
if (is_object($post) && (isset($post->post_type) && $post->post_type !== '')) {
$post_type = $post->post_type;
}
if (is_singular()) {
if ($metadesc === '' && $post_type !== '' && isset($this->options['metadesc-' . $post_type])) {
$template = $this->options['metadesc-' . $post_type];
$term = $post;
}
$metadesc_override = YMBESEO_Meta::get_value('metadesc');
} else {
if (is_search()) {
$metadesc = '';
} elseif ($this->is_home_posts_page()) {
$template = $this->options['metadesc-home-wpseo'];
$term = array();
if (empty($template)) {
$template = get_bloginfo('description');
}
} elseif ($this->is_posts_page()) {
$metadesc = YMBESEO_Meta::get_value('metadesc', get_option('page_for_posts'));
if ($metadesc === '' && $post_type !== '' && isset($this->options['metadesc-' . $post_type])) {
$page = get_post(get_option('page_for_posts'));
$template = $this->options['metadesc-' . $post_type];
$term = $page;
}
} elseif ($this->is_home_static_page()) {
$metadesc = YMBESEO_Meta::get_value('metadesc');
if ($metadesc === '' && $post_type !== '' && isset($this->options['metadesc-' . $post_type])) {
$template = $this->options['metadesc-' . $post_type];
}
} elseif (is_category() || is_tag() || is_tax()) {
$term = $wp_query->get_queried_object();
$metadesc_override = YMBESEO_Taxonomy_Meta::get_term_meta($term, $term->taxonomy, 'desc');
if (is_object($term) && isset($term->taxonomy, $this->options['metadesc-tax-' . $term->taxonomy])) {
$template = $this->options['metadesc-tax-' . $term->taxonomy];
}
} elseif (is_author()) {
$author_id = get_query_var('author');
$metadesc = get_the_author_meta('YMBESEO_metadesc', $author_id);
if ((!is_string($metadesc) || $metadesc === '') && '' !== $this->options['metadesc-author-wpseo']) {
$template = $this->options['metadesc-author-wpseo'];
}
} elseif (is_post_type_archive()) {
$post_type = get_query_var('post_type');
if (is_array($post_type)) {
$post_type = reset($post_type);
}
if (isset($this->options['metadesc-ptarchive-' . $post_type])) {
$template = $this->options['metadesc-ptarchive-' . $post_type];
}
} elseif (is_archive()) {
$template = $this->options['metadesc-archive-wpseo'];
}
// If we're on a paginated page, and the template doesn't change for paginated pages, bail.
if ((!is_string($metadesc) || $metadesc === '') && get_query_var('paged') && get_query_var('paged') > 1 && $template !== '') {
if (strpos($template, '%%page') === false) {
$metadesc = '';
}
}
}
$post_data = $post;
if (is_string($metadesc_override) && '' !== $metadesc_override) {
$metadesc = $metadesc_override;
if (isset($term)) {
$post_data = $term;
}
} else {
if ((!is_string($metadesc) || '' === $metadesc) && '' !== $template) {
if (!isset($term)) {
$term = $wp_query->get_queried_object();
}
$metadesc = $template;
$post_data = $term;
}
}
$metadesc = YMBESEO_replace_vars($metadesc, $post_data);
/**
* Filter: 'YMBESEO_metadesc' - Allow changing the Yoast SEO meta description sentence.
*
* @api string $metadesc The description sentence.
*/
$this->metadesc = apply_filters('YMBESEO_metadesc', trim($metadesc));
}
/**
* Output the OpenGraph description, specific OG description first, if not, grab the meta description.
*
* @param bool $echo Whether to echo or return the description.
*
* @return string $ogdesc
*/
public function description($echo = true)
{
$ogdesc = '';
$frontend = YMBESEO_Frontend::get_instance();
if (is_front_page()) {
if (isset($this->options['og_frontpage_desc']) && $this->options['og_frontpage_desc'] !== '') {
$ogdesc = YMBESEO_replace_vars($this->options['og_frontpage_desc'], null);
} else {
$ogdesc = $frontend->metadesc(false);
}
}
$is_posts_page = $frontend->is_posts_page();
if (is_singular() || $is_posts_page) {
$post_id = $is_posts_page ? get_option('page_for_posts') : get_the_ID();
$post = get_post($post_id);
$ogdesc = YMBESEO_Meta::get_value('opengraph-description', $post_id);
// Replace Yoast SEO Variables.
$ogdesc = YMBESEO_replace_vars($ogdesc, $post);
// Use metadesc if $ogdesc is empty.
if ($ogdesc === '') {
$ogdesc = $frontend->metadesc(false);
}
// Tag og:description is still blank so grab it from get_the_excerpt().
if (!is_string($ogdesc) || is_string($ogdesc) && $ogdesc === '') {
$ogdesc = str_replace('[…]', '…', strip_tags(get_the_excerpt()));
}
}
if (is_category() || is_tag() || is_tax()) {
$ogdesc = $frontend->metadesc(false);
if ('' == $ogdesc) {
$ogdesc = trim(strip_tags(term_description()));
}
if ('' == $ogdesc) {
$term = $GLOBALS['wp_query']->get_queried_object();
$ogdesc = YMBESEO_Taxonomy_Meta::get_term_meta($term, $term->taxonomy, 'desc');
}
}
// Strip shortcodes if any.
$ogdesc = strip_shortcodes($ogdesc);
/**
* Filter: 'YMBESEO_opengraph_desc' - Allow changing the OpenGraph description
*
* @api string $ogdesc The description string.
*/
$ogdesc = trim(apply_filters('YMBESEO_opengraph_desc', $ogdesc));
if (is_string($ogdesc) && $ogdesc !== '') {
if ($echo !== false) {
$this->og_tag('og:description', $ogdesc);
}
}
return $ogdesc;
}
