ppet'] = null;
$robots['max-snippet'] = null;
$robots['max-image-preview'] = null;
$robots['max-video-preview'] = null;
}
$robots_string = \implode( ', ', \array_filter( $robots ) );
/**
* Filter: 'wpseo_robots' - Allows filtering of the meta robots output of Yoast SEO.
*
* @api string $robots The meta robots directives to be echoed.
*
* @param Indexable_Presentation $presentation The presentation of an indexable.
*/
$robots_filtered = \apply_filters( 'wpseo_robots', $robots_string, $this );
// Convert the robots string back to an array.
if ( \is_string( $robots_filtered ) ) {
$robots_values = \explode( ', ', $robots_filtered );
$robots_new = [];
foreach ( $robots_values as $value ) {
$key = $value;
// Change `noindex` to `index.
if ( \strpos( $key, 'no' ) === 0 ) {
$key = \substr( $value, 2 );
}
// Change `max-snippet:-1` to `max-snippet`.
$colon_position = \strpos( $key, ':' );
if ( $colon_position !== false ) {
$key = \substr( $value, 0, $colon_position );
}
$robots_new[ $key ] = $value;
}
$robots = $robots_new;
}
if ( \is_bool( $robots_filtered ) && ( $robots_filtered === false ) ) {
return [
'index' => 'noindex',
'follow' => 'nofollow',
];
}
if ( ! $robots_filtered ) {
return [];
}
/**
* Filter: 'wpseo_robots_array' - Allows filtering of the meta robots output array of Yoast SEO.
*
* @api array $robots The meta robots directives to be used.
*
* @param Indexable_Presentation $presentation The presentation of an indexable.
*/
return \apply_filters( 'wpseo_robots_array', \array_filter( $robots ), $this );
}
/**
* Generates the canonical.
*
* @return string The canonical.
*/
public function generate_canonical() {
if ( $this->model->canonical ) {
return $this->model->canonical;
}
if ( $this->permalink ) {
return $this->permalink;
}
return '';
}
/**
* Generates the rel prev.
*
* @return string The rel prev value.
*/
public function generate_rel_prev() {
return '';
}
/**
* Generates the rel next.
*
* @return string The rel prev next.
*/
public function generate_rel_next() {
return '';
}
/**
* Generates the Open Graph type.
*
* @return string The Open Graph type.
*/
public function generate_open_graph_type() {
return 'website';
}
/**
* Generates the open graph title.
*
* @return string The open graph title.
*/
public function generate_open_graph_title() {
if ( $this->model->open_graph_title ) {
$open_graph_title = $this->model->open_graph_title;
}
if ( empty( $open_graph_title ) ) {
// The helper applies a filter, but we don't have a default value at this stage so we pass an empty string.
$open_graph_title = $this->values_helper->get_open_graph_title( '', $this->model->object_type, $this->model->object_sub_type );
}
if ( empty( $open_graph_title ) ) {
$open_graph_title = $this->title;
}
return $open_graph_title;
}
/**
* Generates the open graph description.
*
* @return string The open graph description.
*/
public function generate_open_graph_description() {
if ( $this->model->open_graph_description ) {
$open_graph_description = $this->model->open_graph_description;
}
if ( empty( $open_graph_description ) ) {
// The helper applies a filter, but we don't have a default value at this stage so we pass an empty string.
$open_graph_description = $this->values_helper->get_open_graph_description( '', $this->model->object_type, $this->model->object_sub_type );
}
if ( empty( $open_graph_description ) ) {
$open_graph_description = $this->meta_description;
}
return $open_graph_description;
}
/**
* Generates the open graph images.
*
* @return array The open graph images.
*/
public function generate_open_graph_images() {
if ( $this->context->open_graph_enabled === false ) {
return [];
}
return $this->open_graph_image_generator->generate( $this->context );
}
/**
* Generates the open graph image ID.
*
* @return string The open graph image ID.
*/
public function generate_open_graph_image_id() {
if ( $this->model->open_graph_image_id ) {
return $this->model->open_graph_image_id;
}
return $this->values_helper->get_open_graph_image_id( 0, $this->model->object_type, $this->model->object_sub_type );
}
/**
* Generates the open graph image URL.
*
* @return string The open graph image URL.
*/
public function generate_open_graph_image() {
if ( $this->model->open_graph_image ) {
return $this->model->open_graph_image;
}
return $this->values_helper->get_open_graph_image( '', $this->model->object_type, $this->model->object_sub_type );
}
/**
* Generates the open graph url.
*
* @return string The open graph url.
*/
public function generate_open_graph_url() {
if ( $this->model->canonical ) {
return $this->model->canonical;
}
return $this->permalink;
}
/**
* Generates the open graph article publisher.
*
* @return string The open graph article publisher.
*/
public function generate_open_graph_article_publisher() {
return '';
}
/**
* Generates the open graph article author.
*
* @return string The open graph article author.
*/
public function generate_open_graph_article_author() {
return '';
}
/**
* Generates the open graph article published time.
*
* @return string The open graph article published time.
*/
public function generate_open_graph_article_published_time() {
return '';
}
/**
* Generates the open graph article modified time.
*
* @return string The open graph article modified time.
*/
public function generate_open_graph_article_modified_time() {
return '';
}
/**
* Generates the open graph locale.
*
* @return string The open graph locale.
*/
public function generate_open_graph_locale() {
return $this->open_graph_locale_generator->generate( $this->context );
}
/**
* Generates the open graph site name.
*
* @return string The open graph site name.
*/
public function generate_open_graph_site_name() {
return $this->context->wordpress_site_name;
}
/**
* Generates the Twitter card type.
*
* @return string The Twitter card type.
*/
public function generate_twitter_card() {
return $this->context->twitter_card;
}
/**
* Generates the Twitter title.
*
* @return string The Twitter title.
*/
public function generate_twitter_title() {
if ( $this->model->twitter_title ) {
return $this->model->twitter_title;
}
if ( $this->context->open_graph_enabled === true ) {
$social_template_title = $this->values_helper->get_open_graph_title( '', $this->model->object_type, $this->model->object_sub_type );
$open_graph_title = $this->open_graph_title;
// If the helper returns a value and it's different from the OG value in the indexable,
// output it in a twitter: tag.
if ( ! empty( $social_template_title ) && $social_template_title !== $open_graph_title ) {
return $social_template_title;
}
// If the OG title is set, let og: tag take care of this.
if ( ! empty( $open_graph_title ) ) {
return '';
}
}
if ( $this->title ) {
return $this->title;
}
return '';
}
/**
* Generates the Twitter description.
*
* @return string The Twitter description.
*/
public function generate_twitter_description() {
if ( $this->model->twitter_description ) {
return $this->model->twitter_description;
}
if ( $this->context->open_graph_enabled === true ) {
$social_template_description = $this->values_helper->get_open_graph_description( '', $this->model->object_type, $this->model->object_sub_type );
$open_graph_description = $this->open_graph_description;
// If the helper returns a value and it's different from the OG value in the indexable,
// output it in a twitter: tag.
if ( ! empty( $social_template_description ) && $social_template_description !== $open_graph_description ) {
return $social_template_description;
}
// If the OG description is set, let og: tag take care of this.
if ( ! empty( $open_graph_description ) ) {
return '';
}
}
if ( $this->meta_description ) {
return $this->meta_description;
}
return '';
}
/**
* Generates the Twitter image.
*
* @return string The Twitter image.
*/
public function generate_twitter_image() {
$images = $this->twitter_image_generator->generate( $this->context );
$image = \reset( $images );
// Use a user-defined Twitter image, if present.
if ( $image && $this->context->indexable->twitter_image_source === 'set-by-user' ) {
return $image['url'];
}
// Let the Open Graph tags, if enabled, handle the rest of the fallback hierarchy.
if ( $this->context->open_graph_enabled === true && $this->open_graph_images ) {
return '';
}
// Set a Twitter tag with the featured image, or a prominent image from the content, if present.
if ( $image ) {
return $image['url'];
}
return '';
}
/**
* Generates the Twitter creator.
*
* @return string The Twitter creator.
*/
public function generate_twitter_creator() {
return '';
}
/**
* Generates the Twitter site.
*
* @return string The Twitter site.
*/
public function generate_twitter_site() {
switch ( $this->context->site_represents ) {
case 'person':
$twitter = $this->user->get_the_author_meta( 'twitter', (int) $this->context->site_user_id );
if ( empty( $twitter ) ) {
$twitter = $this->options->get( 'twitter_site' );
}
break;
case 'company':
default:
$twitter = $this->options->get( 'twitter_site' );
break;
}
return $twitter;
}
/**
* Generates the source.
*
* @return array The source.
*/
public function generate_source() {
return [];
}
/**
* Generates the schema for the page.
*
* @codeCoverageIgnore Wrapper method.
*
* @return array The Schema object.
*/
public function generate_schema() {
return $this->schema_generator->generate( $this->context );
}
/**
* Generates the breadcrumbs for the page.
*
* @codeCoverageIgnore Wrapper method.
*
* @return array The breadcrumbs.
*/
public function generate_breadcrumbs() {
return $this->breadcrumbs_generator->generate( $this->context );
}
/**
* Generates the estimated reading time.
*
* @codeCoverageIgnore Wrapper method.
*
* @return int|null The estimated reading time.
*/
public function generate_estimated_reading_time_minutes() {
if ( $this->model->estimated_reading_time_minutes !== null ) {
return $this->model->estimated_reading_time_minutes;
}
if ( $this->context->post === null ) {
return null;
}
// 200 is the approximate estimated words per minute across languages.
$words_per_minute = 200;
$words = \str_word_count( \wp_strip_all_tags( $this->context->post->post_content ) );
return (int) \round( $words / $words_per_minute );
}
/**
* Strips all nested dependencies from the debug info.
*
* @return array
*/
public function __debugInfo() {
return [
'model' => $this->model,
'context' => $this->context,
];
}
}