add_field( [ 'id' => 'rank_math_schema_generator', 'type' => 'raw', 'content' => '

', 'save_field' => false, ] ); $cmb->add_field( [ 'id' => 'rank-math-schemas', 'type' => 'textarea', 'classes' => 'hidden', 'save_field' => false, ] ); $cmb->add_field( [ 'id' => 'rank-math-schemas-delete', 'type' => 'textarea', 'default' => '[]', 'classes' => 'hidden', 'save_field' => false, ] );