How did you hear about us – radio options in Thank You Page Woocommerce

    

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      /*
* Snippet Name:		WooCommerce Thank You Page awareness form
* Snippet Author:	ecommercehints.com
*/

add_action( 'woocommerce_thankyou', 'ecommercehints_awareness_feedback_form', 20 );

function ecommercehints_awareness_feedback_form( $order_id ) {

 	echo '<h2>How Did You Hear About Us?</h2>
		<form id="awareness_feedback_form">
		<label><input type="radio" name="awareness" value="Google Search"> Google Search</label><br>
		<label><input type="radio" name="awareness" value="Social Media"> Social Media</label><br>
		<label><input type="radio" name="awareness" value="Through a friend"> Through a friend</label>
		<input type="hidden" name="action" value="collect_feedback" />
		<input type="hidden" name="order_id" value="' . $order_id . '" />
		' . wp_nonce_field( 'thankyou'.$order_id, 'thankyou_nonce', true, false ) . '
		</form>';

}

add_action( 'wp_footer', 'ecommercehints_thank_you_ajax_message' );

function ecommercehints_thank_you_ajax_message(){

	if( !is_wc_endpoint_url( 'order-received' ) ) return;
	echo "<script>
	jQuery( function( $ ) {
		$('input[type=radio][name=awareness]').change(function() {
			$.ajax({
				url: '" . admin_url('admin-ajax.php') . "',
				type: 'POST',
				data: $('#awareness_feedback_form').serialize(),
				beforeSend : function( xhr ){
					$('#awareness_feedback_form').html('Nice one, thanks for your feedback!');
				},
				success : function( data ){
					console.log( data );
				}
			});
		});
	});
	</script>";

}

add_action( 'wp_ajax_collect_feedback', 'ecommercehints_thank_you_ajax' );
add_action( 'wp_ajax_nopriv_collect_feedback', 'ecommercehints_thank_you_ajax' );

function ecommercehints_thank_you_ajax(){

	check_ajax_referer( 'thankyou'.$_POST['order_id'], 'thankyou_nonce' );

	if( $order = wc_get_order( $_POST['order_id'] ) ) {
		$store_name = get_bloginfo('name');
		$note = $order->get_formatted_billing_full_name() . '  heard about ' . $store_name . ' through: ' .$_POST['awareness'] . '.';
		$order->add_order_note( $note, 0, true );
	}

	die();

}    
    

	
How to use this
	
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