Custom Controls for AMP For WP plugin

gistfile1.txt

<?php
if ( ! function_exists( 'ampforwp_create_custom_controls' ) ) {
	function ampforwp_create_custom_controls() {
		$controls[] =  array(
	        'id'        =>'ampforwp-example-select',
	        'type'      => 'switch',
	        'title'     => __('Example Select', 'redux-framework-demo'),
	        'default'   => 0,
	        'true'      => 'Enabled',
	        'false'     => 'Disabled',
			'default'	=> 0,
		);  
		$controls[] =  array(
			'id'       		=> 'ampforwp-custom-doubleclick-ad-position-incontent-ad-2',
			'type'     		=> 'text',
			'title'    		=> __('Show ad after Paragraphs', 'redux-framework-demo'),
			'default'  		=> '5',
			'placeholder'	=> '5',
			'required'		=> array('ampforwp-example-select','=','1'),
		);
		return $controls;
	}
}

if ( ! function_exists( 'ampforwp_custom_section' ) ) {
	function ampforwp_custom_section($sections){

	    $sections[] = array(
	        'title' 	=> __('Advanced Section', 'redux-framework-demo'),
	        'icon' 		=> 'el el-th-large',
			'desc'  	=> 'Custom Desctiption ',
	        'fields' 	=>  ampforwp_create_custom_controls(),
	        );
	    return $sections;
	}
}
add_filter("redux/options/redux_builder_amp/sections", 'ampforwp_custom_section');