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<?php
if ( ! defined( 'ABSPATH' ) ) {
die( '-1' );
}
/**
* WPBakery SEO module controller class.
* @since 7.4
*/
class Vc_Seo {
/**
* Post plugin settings seo meta.
* @since 7.4
* @var array
*/
public $post_seo_meta;
/**
* Post plugin settings seo meta key.
* @since 7.4
* @var string
*/
const POST_SEO_META_KEY = '_wpb_post_custom_seo_settings';
/**
* Set plugin seo post meta.
*
* @since 7.4
*/
public function set_plugin_seo_post_meta() {
$this->post_seo_meta = $this->get_plugin_seo_post_meta();
}
/**
* Get plugin seo post meta.
*
* @since 7.4
* @return array
*/
public function get_plugin_seo_post_meta() {
$post_id = get_the_ID();
if ( ! $post_id ) {
return [];
}
$post_seo_meta = get_post_meta( get_the_ID(), self::POST_SEO_META_KEY, true );
if ( empty( $post_seo_meta ) ) {
return [];
}
$post_seo_meta = json_decode( $post_seo_meta, true );
if ( ! is_array( $post_seo_meta ) ) {
return [];
}
return $post_seo_meta;
}
/**
* Replace title with plugin seo title.
*
* @since 7.4
* @param string $title
* @return string
*/
public function filter_title( $title ) {
$seo_title = $this->get_settings_seo_title();
if ( ! $seo_title ) {
return $title;
}
remove_filter( 'pre_get_document_title', [ $this, 'filter_title' ], 15 );
$title = $seo_title;
add_filter( 'pre_get_document_title', [ $this, 'filter_title' ], 15 );
return $title;
}
/**
* Get plugin seo title.
*
* @since 7.4
* @return string
*/
public function get_settings_seo_title() {
if ( empty( $this->post_seo_meta['title'] ) ) {
return '';
}
$title = $this->post_seo_meta['title'];
// Remove excess whitespace.
$title = preg_replace( '[\s\s+]', ' ', $title );
$title = wp_strip_all_tags( stripslashes( $title ), true );
return convert_smilies( esc_html( $title ) );
}
/**
* Presents the head in the front-end. Resets wp_query if it's not the main query.
* @since 7.4
*/
public function add_seo_head() {
global $wp_query;
$old_wp_query = $wp_query;
// Reason: The recommended function, wp_reset_postdata, doesn't reset wp_query.
// phpcs:ignore WordPress.WP.DiscouragedFunctions.wp_reset_query_wp_reset_query
wp_reset_query();
$this->output_seo_head();
// Reason: we have to restore the query.
// phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
$GLOBALS['wp_query'] = $old_wp_query;
}
/**
* Output seo tags in the head.
* @since 7.4
*/
public function output_seo_head() {
$this->output_meta_description();
$this->output_meta_facebook();
$this->output_meta_twitter();
}
/**
* Output meta description.
* @since 7.4
*/
public function output_meta_description() {
if ( empty( $this->post_seo_meta['description'] ) ) {
return;
}
$description = trim( wp_strip_all_tags( stripslashes( $this->post_seo_meta['description'] ) ) );
echo '<meta name="description" content="' . esc_attr( $description ) . '">';
}
/**
* Check if post key phrase is present in other posts.
*
* @since 7.4
* @return bool
*/
public function check_key_phrase_in_other_posts() {
$key_phrase = trim( sanitize_text_field( vc_post_param( 'key_phrase', '' ) ) );
if ( empty( $key_phrase ) ) {
return false;
}
$current_post_id = vc_post_param( 'post_id', '' );
$args = [
'post_type' => 'any',
'posts_per_page' => 2,
'meta_query' => [
[
'key' => self::POST_SEO_META_KEY,
'value' => '"focus-keyphrase":"' . $key_phrase . '"',
'compare' => 'LIKE',
],
],
'post__not_in' => [ $current_post_id ],
];
$post = get_posts( $args );
return is_array( $post ) && count( $post ) >= 2;
}
/**
* Output meta facebook.
* @since 7.4
*/
public function output_meta_facebook() {
if ( empty( $this->post_seo_meta['social-title-facebook'] ) || empty( $this->post_seo_meta['social-description-facebook'] ) ) {
return;
}
$meta = $this->collect_page_social_meta();
$meta['og:title'] = $this->post_seo_meta['social-title-facebook'];
$meta['og:description'] = $this->post_seo_meta['social-description-facebook'];
$meta = $this->add_facebook_image_meta( $meta );
foreach ( $meta as $key => $value ) {
echo '<meta property="' . esc_attr( $key ) . '" content="' . esc_attr( $value ) . '">';
}
}
/**
* Add facebook page social meta.
*
* @since 7.4
* @return array
*/
public function collect_page_social_meta() {
$site_social_meta['og:locale'] = get_locale();
$site_social_meta['og:type'] = 'article';
$site_social_meta['og:url'] = get_permalink();
$site_social_meta['og:site_name'] = get_bloginfo();
return $site_social_meta;
}
/**
* Add facebook image meta.
*
* @since 7.4
* @param array $meta
* @return array
*/
public function add_facebook_image_meta( $meta ) {
if ( empty( $this->post_seo_meta['social-image-facebook'] ) ) {
return $meta;
}
$image_id = $this->post_seo_meta['social-image-facebook'];
$image_data = wp_get_attachment_image_src( $image_id, 'full' );
if ( is_array( $image_data ) ) {
$meta['og:image'] = $image_data[0];
$meta['og:image:width'] = $image_data[1];
$meta['og:image:height'] = $image_data[2];
}
$path = wp_get_original_image_path( $image_id );
if ( $path ) {
$meta['og:image:type'] = wp_get_image_mime( wp_get_original_image_path( $image_id ) );
}
return $meta;
}
/**
* Output meta X (twitter).
* @since 7.4
*/
public function output_meta_twitter() {
if ( empty( $this->post_seo_meta['social-title-x'] ) || empty( $this->post_seo_meta['social-description-x'] ) ) {
return;
}
$meta['twitter:card'] = 'summary_large_image';
$meta['twitter:title'] = $this->post_seo_meta['social-title-x'];
$meta['twitter:description'] = $this->post_seo_meta['social-description-x'];
$meta = $this->add_twitter_image_meta( $meta );
foreach ( $meta as $key => $value ) {
echo '<meta property="' . esc_attr( $key ) . '" content="' . esc_attr( $value ) . '">';
}
}
/**
* Add twitter image meta.
*
* @since 7.4
* @param array $meta
* @return array
*/
public function add_twitter_image_meta( $meta ) {
if ( empty( $this->post_seo_meta['social-image-twitter'] ) ) {
return $meta;
}
$image_id = $this->post_seo_meta['social-image-twitter'];
$image_data = wp_get_attachment_image_src( $image_id, 'full' );
if ( is_array( $image_data ) ) {
$meta['twitter:image'] = $image_data[0];
}
return $meta;
}
}