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<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin
*/
/**
* Represents the yoast columns.
*/
class WPSEO_Yoast_Columns implements WPSEO_WordPress_Integration {
/**
* Registers all hooks to WordPress.
*
* @return void
*/
public function register_hooks() {
add_action( 'load-edit.php', [ $this, 'add_help_tab' ] );
}
/**
* Adds the help tab to the help center for current screen.
*
* @return void
*/
public function add_help_tab() {
$link_columns_present = $this->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' ),
'<a href="' . WPSEO_Shortlinker::get( 'https://yoa.st/16p' ) . '">',
'</a>',
);
}
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' ),
'<a href="' . WPSEO_Shortlinker::get( 'https://yoa.st/16p' ) . '">',
'</a>',
'<em>',
'</em>',
);
}
$screen = get_current_screen();
$screen->add_help_tab(
[
/* translators: %s expands to Yoast */
'title' => sprintf( __( '%s Columns', 'wordpress-seo' ), 'Yoast' ),
'id' => 'yst-columns',
'content' => '<p>' . $help_tab_content . '</p>',
'priority' => 15,
],
);
}
/**
* Retrieves the post type from the $_GET variable.
*
* @return string The current post type.
*/
private function get_current_post_type() {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
if ( isset( $_GET['post_type'] ) && is_string( $_GET['post_type'] ) ) {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
return sanitize_text_field( wp_unslash( $_GET['post_type'] ) );
}
return '';
}
/**
* Whether we are showing link columns on this overview page.
* This depends on the post being accessible or not.
*
* @return bool Whether the linking columns are shown
*/
private function display_links() {
$current_post_type = $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 the meta box (and associated columns etc) should be hidden.
*/
private function display_meta_columns() {
$current_post_type = $this->get_current_post_type();
if ( empty( $current_post_type ) ) {
return false;
}
return WPSEO_Utils::is_metabox_active( $current_post_type, 'post_type' );
}
}