Ticket #16964: ms-functions.diff

wp-includes/ms-functions.php

@@ -1088 +1088 @@
         return $blog_id;
 }
 
+/** 
+ * Deletes the option from all options tables
+ *
+ * @uses delete_option()
+ *
+ * @param mixed $options a string or array of strings which correspond to the option names to be deleted
+ */
+function network_delete_option( $options ) {
+        
+        // convert an option passed as a single string to an array
+        if ( is_string( $options ) ) {
+                $options = array( $options );
+        }
+        
+        if ( is_multisite() ) {
+                global $wpdb;
+                $blogs = $wpdb->get_results( "SELECT blog_id FROM {$wpdb->blogs}", ARRAY_A );
+                if ( $blogs ) {
+                        
+                        // loop through each subsite ( blog )
+                        foreach( $blogs as $blog ) {
+                                switch_to_blog( $blog['blog_id'] );
+                                
+                                foreach( $options as $option ) {
+                                        delete_option( $option );       
+                                }
+                        }
+                }
+        } else {
+                
+                // loop through each subsite ( blog )
+                foreach( $options as $option ) {
+                        delete_option( $option );       
+                }
+        }
+}
+
 /**
  * Notifies the network admin that a new site has been activated.
  *