Changeset 35102 for trunk/src/wp-includes/widget-functions.php

Timestamp:

10/13/2015 01:32:27 AM (9 years ago)

Author:

wonderboymusic

Message:

Widgets: add a function, is_registered_sidebar() - helps us avoid touching the $wp_registered_sidebars global.

Props GaryJ, wonderboymusic.
Fixes #24878.

File:

• trunk/src/wp-includes/widget-functions.php (modified) (2 diffs)

trunk/src/wp-includes/widget-functions.php

@@ -97 +97 @@
             $_args['id'] = $args['id'];
             $n = 2; // Start at -2 for conflicting custom ID's
-            while ( isset($wp_registered_sidebars[$_args['id']]) )
+            while ( is_registered_sidebar( $_args['id'] ) ) {
                 $_args['id'] = $args['id'] . '-' . $n++;
+            }
         } else {
-            $n = count($wp_registered_sidebars);
+            $n = count( $wp_registered_sidebars );
             do {
                 $_args['id'] = 'sidebar-' . ++$n;
-            } while ( isset($wp_registered_sidebars[$_args['id']]) );
+            } while ( is_registered_sidebar( $_args['id'] ) );
         }
         register_sidebar($_args);
@@ -204 +205 @@
 
     unset( $wp_registered_sidebars[ $name ] );
+}
+
+/**
+ * Checks if a sidebar is registered.
+ *
+ * @since 4.4.0
+ *
+ * @global array $wp_registered_sidebars Registered sidebars.
+ *
+ * @param string $name The ID of the sidebar when it was added.
+ *
+ * @return bool True if the sidebar is registered, false otherwise.
+ */
+function is_registered_sidebar( $name ) {
+    global $wp_registered_sidebars;
+    return isset( $wp_registered_sidebars[ $name ] );
 }