add_field( [ 'id' => 'edit_disabled', 'type' => 'notice', 'what' => 'error', 'content' => __( 'robots.txt file is not writable.', 'rank-math' ), ] ); $attributes['disabled'] = 'disabled'; } $cmb->add_field( [ 'id' => 'robots_txt_content', 'type' => 'textarea', 'desc' => ! $data['exists'] ? '' : esc_html__( 'Contents are locked because robots.txt file is present in the root folder.', 'rank-math' ), 'attributes' => $attributes, 'classes' => 'nob rank-math-code-box', 'sanitization_cb' => [ '\RankMath\CMB2', 'sanitize_robots_text' ], ] ); if ( 0 === $data['public'] ) { $cmb->add_field( [ 'id' => 'site_not_public', 'type' => 'notice', 'what' => 'warning', 'classes' => 'nob nopt rank-math-notice', 'content' => wp_kses_post( sprintf( __( 'Warning: your site\'s search engine visibility is set to Hidden in Settings > Reading. This means that the changes you make here will not take effect. Set the search engine visibility to Public to be able to change the robots.txt content.', 'rank-math' ), admin_url( 'options-reading.php' ) ) ), ] ); return; }