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* Generates and displays the React root element for a metabox section.
class WPSEO_Metabox_Section_React implements WPSEO_Metabox_Section {
* Name of the section, used as an identifier in the HTML.
* Content to use before the React root node.
* Content to use to display the button to open this content block.
* Class to add to the link.
* Aria label to use for the link.
private $link_aria_label;
* Additional html content to be displayed within the section.
* @param string $name The name of the section, used as an identifier in the html.
* Can only contain URL safe characters.
* @param string $link_content The text content of the section link.
* @param string $content Optional. Content to use above the React root element.
* @param array $options Optional link attributes.
public function __construct( $name, $link_content, $content = '', array $options = [] ) {
$this->content = $content;
$options = wp_parse_args( $options, $default_options );
$this->link_content = $link_content;
$this->link_class = $options['link_class'];
$this->link_aria_label = $options['link_aria_label'];
$this->html_after = $options['html_after'];
* Outputs the section link.
public function display_link() {
'<li role="presentation"><a role="tab" href="#wpseo-meta-section-%1$s" id="wpseo-meta-tab-%1$s" aria-controls="wpseo-meta-section-%1$s" class="wpseo-meta-section-link %2$s"%3$s>%4$s</a></li>',
esc_attr( $this->link_class ),
( $this->link_aria_label !== '' ) ? ' aria-label="' . esc_attr( $this->link_aria_label ) . '"' : '',
wp_kses_post( $this->link_content )
* Outputs the section content.
public function display_content() {
add_filter( 'wp_kses_allowed_html', [ 'WPSEO_Utils', 'extend_kses_post_with_forms' ] );
add_filter( 'wp_kses_allowed_html', [ 'WPSEO_Utils', 'extend_kses_post_with_a11y' ] );
'<div role="tabpanel" id="wpseo-meta-section-%1$s" aria-labelledby="wpseo-meta-tab-%1$s" tabindex="0" class="wpseo-meta-section">',
echo wp_kses_post( $this->content );
echo '<div id="wpseo-metabox-root" class="wpseo-metabox-root"></div>';
echo wp_kses_post( $this->html_after );
remove_filter( 'wp_kses_allowed_html', [ 'WPSEO_Utils', 'extend_kses_post_with_forms' ] );
remove_filter( 'wp_kses_allowed_html', [ 'WPSEO_Utils', 'extend_kses_post_with_a11y' ] );