add_setting('optimizer[help-doc]', array( 'type' => 'option', 'default' => '', 'transport' => 'postMessage', 'sanitize_callback' => 'wp_filter_nohtml_kses', ) ); $wp_customize->add_control( new Optimizer_Controls_Info_Control( $wp_customize, 'help-doc', array( 'description' => __('Official Documentation','optimizer'), 'section' => 'otherhelp_section', 'settings' => 'optimizer[help-doc]', ) ) );