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protected function add_terms( $data, $key, $taxonomy ) {
$terms = \get_the_terms( $this->context->id, $taxonomy );
if ( ! \is_array( $terms ) ) {
return $data;
}
$callback = static function( $term ) {
// We are using the WordPress internal translation.
return $term->name !== \__( 'Uncategorized', 'default' );
};
$terms = \array_filter( $terms, $callback );
if ( empty( $terms ) ) {
return $data;
}
$data[ $key ] = \wp_list_pluck( $terms, 'name' );
return $data;
}
/**
* Adds an image node if the post has a featured image.
*
* @param array $data The Article data.
*
* @return array The Article data.
*/
private function add_image( $data ) {
if ( $this->context->main_image_url !== null ) {
$data['image'] = [
'@id' => $this->context->canonical . Schema_IDs::PRIMARY_IMAGE_HASH,
];
$data['thumbnailUrl'] = $this->context->main_image_url;
}
return $data;
}
/**
* Adds the potential action property to the Article Schema piece.
*
* @param array $data The Article data.
*
* @return array The Article data with the potential action added.
*/
private function add_potential_action( $data ) {
/**
* Filter: 'wpseo_schema_article_potential_action_target' - Allows filtering of the schema Article potentialAction target.
*
* @api array $targets The URLs for the Article potentialAction target.
*/
$targets = \apply_filters( 'wpseo_schema_article_potential_action_target', [ $this->context->canonical . '#respond' ] );
$data['potentialAction'][] = [
'@type' => 'CommentAction',
'name' => 'Comment',
'target' => $targets,
];
return $data;
}
/**
* Does a simple word count but tries to be relatively smart about it.
*
* @param string $post_content The post content.
* @param string $post_title The post title.
*
* @return int The number of words in the content.
*/
private function word_count( $post_content, $post_title = '' ) {
// Add the title to our word count.
$post_content = $post_title . ' ' . $post_content;
// Strip pre/code blocks and their content.
$post_content = \preg_replace( '@<(pre|code)[^>]*?>.*?@si', '', $post_content );
// Add space between tags that don't have it.
$post_content = \preg_replace( '@><@', '> <', $post_content );
// Strips all other tags.
$post_content = \wp_strip_all_tags( $post_content );
$characters = '';
if ( \preg_match( '@[а-я]@ui', $post_content ) ) {
// Correct counting of the number of words in the Russian and Ukrainian languages.
$alphabet = [
'ru' => 'абвгдеёжзийклмнопрстуфхцчшщъыьэюя',
'ua' => 'абвгґдеєжзиіїйклмнопрстуфхцчшщьюя',
];
$characters = \implode( '', $alphabet );
$characters = \preg_split( '//u', $characters, -1, \PREG_SPLIT_NO_EMPTY );
$characters = \array_unique( $characters );
$characters = \implode( '', $characters );
$characters .= \mb_strtoupper( $characters );
}
// Remove characters from HTML entities.
$post_content = \preg_replace( '@&[a-z0-9]+;@i', ' ', \htmlentities( $post_content ) );
return \str_word_count( $post_content, 0, $characters );
}
}