Use empty instead of null

Closes #10944
2016-05-19 11:47:05 +01:00 · 2016-05-19 11:47:05 +01:00 · c22d9a3c14
parent d3a519f6e4
commit c22d9a3c14
1 changed files with 1 additions and 1 deletions
--- a/includes/abstracts/abstract-wc-widget.php
+++ b/includes/abstracts/abstract-wc-widget.php
@ -166,7 +166,7 @@ abstract class WC_Widget extends WP_Widget {
 					$instance[ $key ] = wp_kses( trim( wp_unslash( $new_instance[ $key ] ) ), wp_kses_allowed_html( 'post' ) );
 				break;
 				case 'checkbox' :
-					$instance[ $key ] = is_null( $new_instance[ $key ] ) ? 0 : 1;
+					$instance[ $key ] = empty( $new_instance[ $key ] ) ? 0 : 1;
 				break;
 				default:
 					$instance[ $key ] = sanitize_text_field( $new_instance[ $key ] );