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<?php
/*
* License: GPLv3
* License URI: https://www.gnu.org/licenses/gpl.txt
* Copyright 2012-2026 Jean-Sebastien Morisset (https://wpsso.com/)
*/
if ( ! defined( 'ABSPATH' ) ) {
die( 'These aren\'t the droids you\'re looking for.' );
}
/*
* Integration module for the Yoast SEO plugin.
*
* See https://wordpress.org/plugins/wordpress-seo/.
*/
if ( ! class_exists( 'WpssoIntegSeoWpseo' ) ) {
class WpssoIntegSeoWpseo {
private $p; // Wpsso class object.
private $wpseo_opts = array();
public function __construct( &$plugin ) {
$this->p =& $plugin;
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
if ( ! method_exists( 'WPSEO_Options', 'get_all' ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'exitinge early: WPSEO_Options::get_all not found' );
}
if ( is_admin() ) {
// translators: %1$s is the class::method name.
$this->p->notice->err( sprintf( __( 'The Yoast SEO <code>%1$s</code> method is missing – if you are using an older version of Yoast SEO, please update now.', 'wpsso' ), 'WPSEO_Options::get_all()' ) );
}
return;
}
$this->wpseo_opts = WPSEO_Options::get_all();
$this->p->util->add_plugin_filters( $this, array(
'robots_is_noindex' => 2,
'primary_term_id' => 4,
'title_seed' => 5,
'description_seed' => 4,
'post_url' => 2,
'term_url' => 2,
), 100 );
if ( is_admin() ) {
$this->p->util->add_plugin_filters( $this, array( 'admin_page_style_css' => 1 ), 100 );
add_action( 'admin_init', array( $this, 'cleanup_wpseo_notifications' ), 15 );
} else {
add_filter( 'wpseo_frontend_presenters', array( $this, 'cleanup_wpseo_frontend_presenters' ), 1000, 1 );
add_filter( 'wpseo_schema_graph', array( $this, 'cleanup_wpseo_schema_graph' ), 1000, 2 );
}
}
public function filter_robots_is_noindex( $value, $mod ) {
$meta_val = null;
if ( $mod[ 'id' ] ) {
if ( $mod[ 'is_post' ] ) {
$meta_val = $this->get_post_meta_value( $mod[ 'id' ], $meta_key = 'meta-robots-noindex' );
$meta_val = $meta_val ? true : false; // 1 or 0.
} elseif ( $mod[ 'is_term' ] ) {
$meta_val = $this->get_term_meta_value( $mod[ 'id' ], $meta_key = 'noindex' );
$meta_val = 'noindex' === $meta_val ? true : false;
} elseif ( $mod[ 'is_user' ] ) {
$meta_val = $this->get_user_meta_value( $mod[ 'id' ], $meta_key = 'noindex_author' );
$meta_val = 'on' === $meta_val ? true : false;
}
}
return null === $meta_val ? $value : $meta_val;
}
public function filter_primary_term_id( $primary_term_id, $mod, $tax_slug, $is_custom ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
if ( $is_custom ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'exiting early: $is_custom is true' );
}
return $primary_term_id;
} elseif ( empty( $mod[ 'is_post' ] ) || empty( $mod[ 'id' ] ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'exiting early: not post object or no post ID' );
}
return $primary_term_id;
} elseif ( empty( $tax_slug ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'exiting early: $tax_slug is empty' );
}
return $primary_term_id;
} else {
$meta_key = 'primary_' . $tax_slug;
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'calling WpssoIntegSeoWpseo->get_post_meta_value() for ' . $meta_key );
}
if ( $ret = $this->get_post_meta_value( $mod[ 'id' ], $meta_key ) ) {
return $ret;
}
}
return $primary_term_id;
}
public function filter_title_seed( $title_text, $mod, $num_hashtags, $md_key, $title_sep ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
$meta_val = '';
if ( $mod[ 'id' ] ) {
if ( $mod[ 'is_post' ] ) {
$meta_val = $this->get_post_meta_value( $mod[ 'id' ], $meta_key = 'title' );
} elseif ( $mod[ 'is_term' ] ) {
$meta_val = $this->get_term_meta_value( $mod[ 'id' ], $meta_key = 'title' );
} elseif ( $mod[ 'is_user' ] ) {
$meta_val = $this->get_user_meta_value( $mod[ 'id' ], $meta_key = 'title' );
}
}
return $meta_val ? $meta_val : $title_text;
}
public function filter_description_seed( $desc_text, $mod, $num_hashtags, $md_key ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
$meta_val = '';
if ( $mod[ 'id' ] ) {
if ( $mod[ 'is_post' ] ) {
$meta_val = $this->get_post_meta_value( $mod[ 'id' ], $meta_key = 'metadesc' );
} elseif ( $mod[ 'is_term' ] ) {
$meta_val = $this->get_term_meta_value( $mod[ 'id' ], $meta_key = 'metadesc' );
} elseif ( $mod[ 'is_user' ] ) {
$meta_val = $this->get_user_meta_value( $mod[ 'id' ], $meta_key = 'metadesc' );
}
}
return $meta_val ? $meta_val : $desc_text;
}
public function filter_post_url( $url, $mod ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
$meta_val = '';
if ( $mod[ 'id' ] ) {
if ( class_exists( 'WPSEO_Meta' ) && method_exists( 'WPSEO_Meta', 'get_value' ) ) {
$meta_val = WPSEO_Meta::get_value( 'canonical', $mod[ 'id' ] );
} elseif ( $this->p->debug->enabled ) {
$this->p->debug->log( 'WPSEO_Meta::get_value not found' );
}
}
return $meta_val ? $meta_val : $url;
}
public function filter_term_url( $url, $mod ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
$meta_val = '';
if ( $mod[ 'id' ] ) {
if ( class_exists( 'WPSEO_Taxonomy_Meta' ) && method_exists( 'WPSEO_Taxonomy_Meta', 'get_term_meta' ) ) {
$meta_val = WPSEO_Taxonomy_Meta::get_term_meta( $mod[ 'id' ], $mod[ 'tax_slug' ], 'canonical' );
} elseif ( $this->p->debug->enabled ) {
$this->p->debug->log( 'WPSEO_Taxonomy_Meta::get_term_meta not found' );
}
}
return $meta_val ? $meta_val : $url;
}
private function get_post_meta_value( $post_id, $meta_key ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
$meta_val = '';
$post_obj = SucomUtilWP::get_post_object( $post_id );
if ( empty( $post_obj->ID ) ) { // Just in case.
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'exiting early: post object id is empty' );
}
return $meta_val;
} elseif ( empty( $post_obj->post_type ) ) { // Just in case.
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'exiting early: post object post_type is empty' );
}
return $meta_val;
}
if ( class_exists( 'WPSEO_Meta' ) && method_exists( 'WPSEO_Meta', 'get_value' ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'calling WPSEO_Meta::get_value() for ' . $meta_key );
}
if ( $meta_val = WPSEO_Meta::get_value( $meta_key, $post_obj->ID ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'WPSEO_Meta::get_value ' . $meta_key . ' = ' . $meta_val );
}
}
} elseif ( $this->p->debug->enabled ) {
$this->p->debug->log( 'WPSEO_Meta::get_value not found' );
}
if ( empty( $meta_val ) ) { // Fallback to the value from the Yoast SEO settings.
$opts_key = $meta_key . '-' . $post_obj->post_type;
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'Checking for ' . $opts_key . ' in wpseo options (aka settings)' );
}
if ( empty( $this->wpseo_opts[ $opts_key ] ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'wpseo options ' . $opts_key . ' is empty' );
}
} else {
$meta_val = $this->wpseo_opts[ $opts_key ];
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'wpseo options ' . $opts_key . ' = ' . $meta_val );
}
}
}
return $meta_val;
}
private function get_term_meta_value( $term_id, $meta_key ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
$meta_val = '';
$term_obj = SucomUtilWP::get_term_object( $term_id );
if ( empty( $term_obj->term_id ) ) { // Just in case.
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'exiting early: term object id is empty' );
}
return $meta_val;
} elseif ( empty( $term_obj->taxonomy ) ) { // Just in case.
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'exiting early: term object taxonomy is empty' );
}
return $meta_val;
}
if ( class_exists( 'WPSEO_Taxonomy_Meta' ) && method_exists( 'WPSEO_Taxonomy_Meta', 'get_term_meta' ) ) {
if ( $meta_val = WPSEO_Taxonomy_Meta::get_term_meta( $term_obj, $term_obj->taxonomy, $meta_key ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'WPSEO_Taxonomy_Meta::get_term_meta ' . $meta_key . ' = ' . $meta_val );
}
}
} elseif ( $this->p->debug->enabled ) {
$this->p->debug->log( 'WPSEO_Taxonomy_Meta::get_term_meta not found' );
}
if ( empty( $meta_val ) ) { // Fallback to the value from the Yoast SEO settings.
$opts_key = $meta_key . '-tax-' . $term_obj->taxonomy;
if ( empty( $this->wpseo_opts[ $opts_key ] ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'wpseo options ' . $opts_key . ' is empty' );
}
} else {
$meta_val = $this->wpseo_opts[ $opts_key ];
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'wpseo options ' . $opts_key . ' = ' . $meta_val );
}
}
}
return $meta_val;
}
private function get_user_meta_value( $user_id, $meta_key ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
$meta_val = '';
$user_obj = SucomUtilWP::get_user_object( $user_id );
if ( empty( $user_obj->ID ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'exiting early: user object id is empty' );
}
return $meta_val;
}
if ( $meta_val = get_the_author_meta( 'wpseo_' . $meta_key, $user_obj->ID ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'get_the_author_meta wpseo_' . $meta_key . ' = ' . $meta_val );
}
}
if ( empty( $meta_val ) ) { // Fallback to the value from the Yoast SEO settings.
$opts_key = $meta_key . '-author-wpseo';
if ( empty( $this->wpseo_opts[ $opts_key ] ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'wpseo options ' . $opts_key . ' is empty' );
}
} else {
$meta_val = $this->wpseo_opts[ $opts_key ];
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'wpseo options ' . $opts_key . ' = ' . $meta_val );
}
}
}
return $meta_val;
}
/*
* Fix Yoast SEO CSS on back-end pages.
*/
public function filter_admin_page_style_css( $custom_style_css ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
/*
* Fix the width of Yoast SEO list table columns.
*/
$custom_style_css .= '
table.wp-list-table > thead > tr > th.column-wpseo-links,
table.wp-list-table > tbody > tr > td.column-wpseo-links,
table.wp-list-table > thead > tr > th.column-wpseo-linked,
table.wp-list-table > tbody > tr > td.column-wpseo-linked,
table.wp-list-table > thead > tr > th.column-wpseo-score,
table.wp-list-table > tbody > tr > td.column-wpseo-score,
table.wp-list-table > thead > tr > th.column-wpseo-score-readability,
table.wp-list-table > tbody > tr > td.column-wpseo-score-readability {
width:40px;
}
table.wp-list-table > thead > tr > th.column-wpseo-title,
table.wp-list-table > tbody > tr > td.column-wpseo-title,
table.wp-list-table > thead > tr > th.column-wpseo-metadesc,
table.wp-list-table > tbody > tr > td.column-wpseo-metadesc {
width:20%;
}
table.wp-list-table > thead > tr > th.column-wpseo-focuskw,
table.wp-list-table > tbody > tr > td.column-wpseo-focuskw {
width:8em; /* Leave room for the sort arrow. */
}
';
/*
* The "Schema" metabox tab and its options cannot be disabled, so hide them instead.
*/
if ( ! empty( $this->p->avail[ 'p' ][ 'schema' ] ) ) {
$custom_style_css .= '
#wpseo-meta-tab-schema { display: none; }
#wpseo-meta-section-schema { display: none; }
';
}
return $custom_style_css;
}
/*
* Cleanup incorrect Yoast SEO notifications.
*/
public function cleanup_wpseo_notifications() {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
/*
* Yoast SEO only checks for a conflict with WPSSO if the Open Graph option is enabled.
*/
if ( method_exists( 'WPSEO_Options', 'get' ) ) {
if ( ! WPSEO_Options::get( 'opengraph' ) ) {
return;
}
}
if ( class_exists( 'Yoast_Notification_Center' ) ) {
$info = $this->p->cf[ 'plugin' ][ $this->p->id ];
$name = $this->p->cf[ 'plugin' ][ $this->p->id ][ 'name' ];
if ( method_exists( 'Yoast_Notification_Center', 'get_notification_by_id' ) ) {
$notif_id = 'wpseo-conflict-' . md5( $info[ 'base' ] );
$notif_msg = '<style type="text/css">#' . $notif_id . '{display:none;}</style>'; // Hide our empty notification.
$notif_center = Yoast_Notification_Center::get();
$notif_obj = $notif_center->get_notification_by_id( $notif_id );
if ( empty( $notif_obj ) ) {
return;
}
/*
* Note that Yoast_Notification::render() wraps the notification message with
* '<div class="yoast-alert"></div>'.
*/
if ( method_exists( 'Yoast_Notification', 'render' ) ) {
$notif_html = $notif_obj->render();
} else $notif_html = $notif_obj->message;
if ( false === strpos( $notif_html, $notif_msg ) ) {
update_metadata( 'user', get_current_user_id(), $notif_obj->get_dismissal_key(), 'seen' );
$notif_obj = new Yoast_Notification( $notif_msg, array( 'id' => $notif_id ) );
$notif_center->add_notification( $notif_obj );
}
} elseif ( defined( 'Yoast_Notification_Center::TRANSIENT_KEY' ) ) {
if ( false !== ( $wpseo_notif = get_transient( Yoast_Notification_Center::TRANSIENT_KEY ) ) ) {
$wpseo_notif = json_decode( $wpseo_notif, $assoc = false );
if ( ! empty( $wpseo_notif ) ) {
foreach ( $wpseo_notif as $num => $notif_msgs ) {
if ( isset( $notif_msgs->options->type ) && $notif_msgs->options->type == 'error' ) {
if ( false !== strpos( $notif_msgs->message, $name ) ) {
unset( $wpseo_notif[ $num ] );
set_transient( Yoast_Notification_Center::TRANSIENT_KEY, wp_json_encode( $wpseo_notif ) );
}
}
}
}
}
}
}
}
/*
* Since Yoast SEO v14.0.
*
* Disable Yoast SEO social meta tags.
*
* Yoast SEO provides two arguments to this filter, but older versions only provided one.
*/
public function cleanup_wpseo_frontend_presenters( $presenters ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
$remove = array( 'Open_Graph', 'Slack', 'Twitter', 'WooCommerce' );
$remove_preg = '/(' . implode( '|', $remove ) . ')/';
foreach ( $presenters as $num => $obj ) {
$class_name = get_class( $obj );
if ( preg_match( $remove_preg, $class_name ) ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->log( 'removing presenter: ' . $class_name );
}
unset( $presenters[ $num ] );
} elseif ( $this->p->debug->enabled ) {
$this->p->debug->log( 'skipping presenter: ' . $class_name );
}
}
return $presenters;
}
public function cleanup_wpseo_schema_graph( $graph, $context ) {
if ( $this->p->debug->enabled ) {
$this->p->debug->mark();
}
if ( ! empty( $this->p->avail[ 'p' ][ 'schema' ] ) ) {
/*
* Remove everything except for the BreadcrumbList markup.
*
* The WPSSO BC add-on removes the BreadcrumbList markup.
*/
foreach ( $graph as $num => $piece ) {
if ( ! empty( $piece[ '@type' ] ) ) {
if ( 'BreadcrumbList' === $piece[ '@type' ] ) { // Keep breadcrumbs.
continue;
}
}
unset( $graph[ $num ] ); // Remove everything else.
}
}
return array_values( $graph );
}
}
}