hooked ) { add_action( 'wp_footer', [ $this, 'print_schema' ], 999 ); $this->hooked = true; } $this->schema[] = array( '@type' => 'Question', 'name' => wp_strip_all_tags( $question ), 'acceptedAnswer' => array( '@type' => 'Answer', 'text' => wp_strip_all_tags( $answer ), ), ); } /** * Print schema in JSON-LD format * * @return void */ public function print_schema() { if ( ! empty( $this->schema ) ) { $json_ld = array( '@context' => 'https://schema.org', '@type' => 'FAQPage', 'mainEntity' => $this->schema, ); echo ''; } } } }