Ticket #8558: 8558.2.patch

src/bp-groups/bp-groups-functions.php

@@ -3531 +3531 @@
                 $wpdb->query( "DELETE FROM {$bp->groups->table_name_members} WHERE ID IN ($ids_to_delete)" );
         }
 }
+
+/**
+ * Register a new Group Extension.
+ *
+ * @since 1.1.0
+ * @since 10.0.0 The function was moved from the `/bp-groups/classes/class-bp-group-extension.php` file.
+ *               It only registers Group Extensions if their corresponding class name has not been already
+ *               registered.
+ *
+ * @param string $group_extension_class Name of the Extension class.
+ * @return bool                         Returns true on success, otherwise false.
+ */
+function bp_register_group_extension( $group_extension_class = '' ) {
+        if ( ! class_exists( $group_extension_class ) ) {
+                return false;
+        }
+
+        $bp = buddypress();
+
+        if ( isset( $bp->groups->group_extensions[ $group_extension_class ] ) ) {
+                return false;
+        }
+
+        // Add the new Group extension to the registered ones.
+        $bp->groups->group_extensions[ $group_extension_class ] = true;
+
+        return true;
+}
+
+/**
+ * Init Registered Group Extensions.
+ *
+ * @since 10.0.0
+ */
+function bp_init_group_extensions() {
+        $registered_group_extensions = buddypress()->groups->group_extensions;
+
+        if ( ! $registered_group_extensions ) {
+                return;
+        }
+
+        foreach ( array_keys( $registered_group_extensions ) as $group_extension_class ) {
+                $extension = new $group_extension_class;
+
+                add_action( 'bp_actions', array( &$extension, '_register' ), 8 );
+                add_action( 'admin_init', array( &$extension, '_register' ) );
+        }
+}
+add_action( 'bp_init', 'bp_init_group_extensions', 11 );

src/bp-groups/classes/class-bp-group-extension.php

@@ -10 +10 @@
 // Exit if accessed directly.
 defined( 'ABSPATH' ) || exit;
 
+if ( ! class_exists( 'BP_Group_Extension', false ) ) :
 /**
  * API for creating group extensions without having to hardcode the content into
  * the theme.
@@ -1695 +1696 @@
                 }
         }
 }
-
-/**
- * Register a new Group Extension.
- *
- * @since 1.1.0
- *
- * @param string $group_extension_class Name of the Extension class.
- * @return false|null Returns false on failure, otherwise null.
- */
-function bp_register_group_extension( $group_extension_class = '' ) {
-
-        if ( ! class_exists( $group_extension_class ) ) {
-                return false;
-        }
-
-        // Register the group extension on the bp_init action so we have access
-        // to all plugins.
-        add_action( 'bp_init', function() use ( $group_extension_class ) {
-                $extension = new $group_extension_class;
-                add_action( 'bp_actions', array( &$extension, '_register' ), 8 );
-                add_action( 'admin_init', array( &$extension, '_register' ) );
-        }, 11 );
-}
+endif; // End class_exists check.

src/bp-groups/classes/class-bp-groups-component.php

@@ -94 +94 @@
          */
         public $current_directory_type = '';
 
+        /**
+         * List of registered Group extensions.
+         *
+         * @see bp_register_group_extension()
+         *
+         * @since 10.0.0
+         * @var array
+         */
+        public $group_extensions = array();
+
         /**
          * Start the groups component creation process.
          *