display_links();
$meta_columns_present = $this->display_meta_columns();
if ( ! ( $link_columns_present || $meta_columns_present ) ) {
return;
}
$help_tab_content = sprintf(
/* translators: %1$s: Yoast SEO */
__( '%1$s adds several columns to this page.', 'wordpress-seo' ),
'Yoast SEO'
);
if ( $meta_columns_present ) {
$help_tab_content .= ' ' . sprintf(
/* translators: %1$s: Link to article about content analysis, %2$s: Anchor closing */
__( 'We\'ve written an article about %1$show to use the SEO score and Readability score%2$s.', 'wordpress-seo' ),
'',
''
);
}
if ( $link_columns_present ) {
$help_tab_content .= ' ' . sprintf(
/* translators: %1$s: Link to article about text links, %2$s: Anchor closing tag, %3$s: Emphasis open tag, %4$s: Emphasis close tag */
__( 'The links columns show the number of articles on this site linking %3$sto%4$s this article and the number of URLs linked %3$sfrom%4$s this article. Learn more about %1$show to use these features to improve your internal linking%2$s, which greatly enhances your SEO.', 'wordpress-seo' ),
'',
'',
'',
''
);
}
$screen = get_current_screen();
$screen->add_help_tab(
[
/* translators: %s expands to Yoast */
'title' => sprintf( __( '%s Columns', 'wordpress-seo' ), 'Yoast' ),
'id' => 'yst-columns',
'content' => '' . $help_tab_content . '
',
'priority' => 15,
]
);
}
/**
* Retrieves the post type from the $_GET variable.
*
* @return string The current post type.
*/
private function get_current_post_type() {
return filter_input( INPUT_GET, 'post_type' );
}
/**
* Whether or not we are showing link columns on this overview page.
* This depends on the post being accessible or not.
*
* @return bool Whether or not the linking columns are shown
*/
private function display_links() {
$current_post_type = sanitize_text_field( $this->get_current_post_type() );
if ( empty( $current_post_type ) ) {
return false;
}
return WPSEO_Post_Type::is_post_type_accessible( $current_post_type );
}
/**
* Wraps the WPSEO_Metabox check to determine whether the metabox should be displayed either by
* choice of the admin or because the post type is not a public post type.
*
* @return bool Whether or not the meta box (and associated columns etc) should be hidden.
*/
private function display_meta_columns() {
$current_post_type = sanitize_text_field( $this->get_current_post_type() );
if ( empty( $current_post_type ) ) {
return false;
}
return WPSEO_Utils::is_metabox_active( $current_post_type, 'post_type' );
}
}