Live network counts of users and sites for small networks.

props adamsilverstein, jeremyfelt.
fixes #22917.


git-svn-id: https://develop.svn.wordpress.org/trunk@25621 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/ms-functions.php

@@ -1102,6 +1102,9 @@ function insert_blog($domain, $path, $site_id) {
 
 	$blog_id = $wpdb->insert_id;
 	refresh_blog_details( $blog_id );
+
+	wp_maybe_update_network_site_counts();
+
 	return $blog_id;
 }
 
@@ -1876,10 +1879,83 @@ function wp_schedule_update_network_counts() {
  *  @since 3.1.0
  */
 function wp_update_network_counts() {
+	wp_update_network_user_counts();
+	wp_update_network_site_counts();
+}
+
+/**
+ * Update the count of sites for the current network.
+ *
+ * If enabled through the 'enable_live_network_counts' filter, update the sites count
+ * on a network when a site is created or its status is updated.
+ *
+ * @since 3.7.0
+ *
+ * @uses wp_update_network_site_counts()
+ */
+function wp_maybe_update_network_site_counts() {
+	$is_small_network = ! wp_is_large_network( 'sites' );
+
+	/**
+	 * Filter the decision to update network user and site counts in real time.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param bool   $small_network Based on wp_is_large_network( $context ).
+	 * @param string $context       Context. Either 'users' or 'sites'.
+	 */
+	if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'sites' ) )
+		return;
+
+	wp_update_network_site_counts();
+}
+
+/**
+ * Update the network-wide users count.
+ *
+ * If enabled through the 'enable_live_network_counts' filter, update the users count
+ * on a network when a user is created or its status is updated.
+ *
+ * @since 3.7.0
+ *
+ * @uses wp_update_network_user_counts()
+ */
+function wp_maybe_update_network_user_counts() {
+	$is_small_network = ! wp_is_large_network( 'users' );
+
+	/**
+	 * Filter the decision to update network user and site counts in real time.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param bool   $small_network Based on wp_is_large_network( $context ).
+	 * @param string $context       Context. Either 'users' or 'sites'.
+	 */
+	if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'users' ) )
+		return;
+
+	wp_update_network_user_counts();
+}
+
+/**
+ * Update the network-wide site count.
+ *
+ * @since 3.7.0
+ */
+function wp_update_network_site_counts() {
 	global $wpdb;
 
 	$count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(blog_id) as c FROM $wpdb->blogs WHERE site_id = %d AND spam = '0' AND deleted = '0' and archived = '0'", $wpdb->siteid) );
 	update_site_option( 'blog_count', $count );
+}
+
+/**
+ * Update the network-wide user count.
+ *
+ * @since 3.7.0
+ */
+function wp_update_network_user_counts() {
+	global $wpdb;
 
 	$count = $wpdb->get_var( "SELECT COUNT(ID) as c FROM $wpdb->users WHERE spam = '0' AND deleted = '0'" );
 	update_site_option( 'user_count', $count );