Changeset 42343 for trunk/src/wp-includes/ms-functions.php

Timestamp:

11/30/2017 11:09:33 PM (8 years ago)

Author:

pento

Message:

Code is Poetry.
WordPress' code just... wasn't.
This is now dealt with.

Props jrf, pento, netweb, GaryJ, jdgrimes, westonruter, Greg Sherwood from PHPCS, and everyone who's ever contributed to WPCS and PHPCS.
Fixes #41057.

File:

• trunk/src/wp-includes/ms-functions.php (modified) (98 diffs)

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

@@ -40 +40 @@
 function get_active_blog_for_user( $user_id ) {
     $blogs = get_blogs_of_user( $user_id );
-    if ( empty( $blogs ) )
+    if ( empty( $blogs ) ) {
         return;
+    }
 
     if ( ! is_multisite() ) {
@@ -48 +49 @@
 
     $primary_blog = get_user_meta( $user_id, 'primary_blog', true );
-    $first_blog = current($blogs);
+    $first_blog   = current( $blogs );
     if ( false !== $primary_blog ) {
         if ( ! isset( $blogs[ $primary_blog ] ) ) {
@@ -68 +69 @@
     if ( ( ! is_object( $primary ) ) || ( $primary->archived == 1 || $primary->spam == 1 || $primary->deleted == 1 ) ) {
         $blogs = get_blogs_of_user( $user_id, true ); // if a user's primary blog is shut down, check their other blogs.
-        $ret = false;
+        $ret   = false;
         if ( is_array( $blogs ) && count( $blogs ) > 0 ) {
             foreach ( (array) $blogs as $blog_id => $blog ) {
-                if ( $blog->site_id != get_current_network_id() )
+                if ( $blog->site_id != get_current_network_id() ) {
                     continue;
+                }
                 $details = get_site( $blog_id );
                 if ( is_object( $details ) && $details->archived == 0 && $details->spam == 0 && $details->deleted == 0 ) {
                     $ret = $blog;
-                    if ( get_user_meta( $user_id , 'primary_blog', true ) != $blog_id )
+                    if ( get_user_meta( $user_id, 'primary_blog', true ) != $blog_id ) {
                         update_user_meta( $user_id, 'primary_blog', $blog_id );
-                    if ( !get_user_meta($user_id , 'source_domain', true) )
+                    }
+                    if ( ! get_user_meta( $user_id, 'source_domain', true ) ) {
                         update_user_meta( $user_id, 'source_domain', $blog->domain );
+                    }
                     break;
                 }
@@ -153 +157 @@
  */
 function add_user_to_blog( $blog_id, $user_id, $role ) {
-    switch_to_blog($blog_id);
+    switch_to_blog( $blog_id );
 
     $user = get_userdata( $user_id );
@@ -185 +189 @@
     }
 
-    if ( !get_user_meta($user_id, 'primary_blog', true) ) {
-        update_user_meta($user_id, 'primary_blog', $blog_id);
+    if ( ! get_user_meta( $user_id, 'primary_blog', true ) ) {
+        update_user_meta( $user_id, 'primary_blog', $blog_id );
         $site = get_site( $blog_id );
         update_user_meta( $user_id, 'source_domain', $site->domain );
     }
 
-    $user->set_role($role);
+    $user->set_role( $role );
 
     /**
@@ -227 +231 @@
  * @return true|WP_Error
  */
-function remove_user_from_blog($user_id, $blog_id = '', $reassign = '') {
+function remove_user_from_blog( $user_id, $blog_id = '', $reassign = '' ) {
     global $wpdb;
-    switch_to_blog($blog_id);
+    switch_to_blog( $blog_id );
     $user_id = (int) $user_id;
     /**
@@ -243 +247 @@
     // If being removed from the primary blog, set a new primary if the user is assigned
     // to multiple blogs.
-    $primary_blog = get_user_meta($user_id, 'primary_blog', true);
+    $primary_blog = get_user_meta( $user_id, 'primary_blog', true );
     if ( $primary_blog == $blog_id ) {
-        $new_id = '';
+        $new_id     = '';
         $new_domain = '';
-        $blogs = get_blogs_of_user($user_id);
+        $blogs      = get_blogs_of_user( $user_id );
         foreach ( (array) $blogs as $blog ) {
-            if ( $blog->userblog_id == $blog_id )
+            if ( $blog->userblog_id == $blog_id ) {
                 continue;
-            $new_id = $blog->userblog_id;
+            }
+            $new_id     = $blog->userblog_id;
             $new_domain = $blog->domain;
             break;
         }
 
-        update_user_meta($user_id, 'primary_blog', $new_id);
-        update_user_meta($user_id, 'source_domain', $new_domain);
+        update_user_meta( $user_id, 'primary_blog', $new_id );
+        update_user_meta( $user_id, 'source_domain', $new_domain );
     }
 
@@ -264 +269 @@
     if ( ! $user ) {
         restore_current_blog();
-        return new WP_Error('user_does_not_exist', __('That user does not exist.'));
+        return new WP_Error( 'user_does_not_exist', __( 'That user does not exist.' ) );
     }
 
     $user->remove_all_caps();
 
-    $blogs = get_blogs_of_user($user_id);
-    if ( count($blogs) == 0 ) {
-        update_user_meta($user_id, 'primary_blog', '');
-        update_user_meta($user_id, 'source_domain', '');
+    $blogs = get_blogs_of_user( $user_id );
+    if ( count( $blogs ) == 0 ) {
+        update_user_meta( $user_id, 'primary_blog', '' );
+        update_user_meta( $user_id, 'source_domain', '' );
     }
 
@@ -331 +336 @@
 function get_blog_id_from_url( $domain, $path = '/' ) {
     $domain = strtolower( $domain );
-    $path = strtolower( $path );
-    $id = wp_cache_get( md5( $domain . $path ), 'blog-id-cache' );
-
-    if ( $id == -1 ) // blog does not exist
+    $path   = strtolower( $path );
+    $id     = wp_cache_get( md5( $domain . $path ), 'blog-id-cache' );
+
+    if ( $id == -1 ) { // blog does not exist
         return 0;
-    elseif ( $id )
+    } elseif ( $id ) {
         return (int) $id;
-
-    $args = array(
+    }
+
+    $args   = array(
         'domain' => $domain,
-        'path' => $path,
+        'path'   => $path,
         'fields' => 'ids',
         'number' => 1,
     );
     $result = get_sites( $args );
-    $id = array_shift( $result );
+    $id     = array_shift( $result );
 
     if ( ! $id ) {
@@ -375 +381 @@
 function is_email_address_unsafe( $user_email ) {
     $banned_names = get_site_option( 'banned_email_domains' );
-    if ( $banned_names && ! is_array( $banned_names ) )
+    if ( $banned_names && ! is_array( $banned_names ) ) {
         $banned_names = explode( "\n", $banned_names );
+    }
 
     $is_email_address_unsafe = false;
 
     if ( $banned_names && is_array( $banned_names ) && false !== strpos( $user_email, '@', 1 ) ) {
-        $banned_names = array_map( 'strtolower', $banned_names );
+        $banned_names     = array_map( 'strtolower', $banned_names );
         $normalized_email = strtolower( $user_email );
 
@@ -387 +394 @@
 
         foreach ( $banned_names as $banned_domain ) {
-            if ( ! $banned_domain )
+            if ( ! $banned_domain ) {
                 continue;
+            }
 
             if ( $email_domain == $banned_domain ) {
@@ -434 +442 @@
  * @return array Contains username, email, and error messages.
  */
-function wpmu_validate_user_signup($user_name, $user_email) {
+function wpmu_validate_user_signup( $user_name, $user_email ) {
     global $wpdb;
 
@@ -440 +448 @@
 
     $orig_username = $user_name;
-    $user_name = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
+    $user_name     = preg_replace( '/\s+/', '', sanitize_user( $user_name, true ) );
 
     if ( $user_name != $orig_username || preg_match( '/[^a-z0-9]/', $user_name ) ) {
@@ -449 +457 @@
     $user_email = sanitize_email( $user_email );
 
-    if ( empty( $user_name ) )
-        $errors->add('user_name', __( 'Please enter a username.' ) );
+    if ( empty( $user_name ) ) {
+        $errors->add( 'user_name', __( 'Please enter a username.' ) );
+    }
 
     $illegal_names = get_site_option( 'illegal_names' );
     if ( ! is_array( $illegal_names ) ) {
-        $illegal_names = array(  'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
+        $illegal_names = array( 'www', 'web', 'root', 'admin', 'main', 'invite', 'administrator' );
         add_site_option( 'illegal_names', $illegal_names );
     }
     if ( in_array( $user_name, $illegal_names ) ) {
-        $errors->add( 'user_name',  __( 'Sorry, that username is not allowed.' ) );
+        $errors->add( 'user_name', __( 'Sorry, that username is not allowed.' ) );
     }
 
@@ -465 +474 @@
 
     if ( in_array( strtolower( $user_name ), array_map( 'strtolower', $illegal_logins ) ) ) {
-        $errors->add( 'user_name',  __( 'Sorry, that username is not allowed.' ) );
+        $errors->add( 'user_name', __( 'Sorry, that username is not allowed.' ) );
     }
 
@@ -474 +483 @@
     }
 
-    if ( strlen( $user_name ) < 4 )
-        $errors->add('user_name',  __( 'Username must be at least 4 characters.' ) );
+    if ( strlen( $user_name ) < 4 ) {
+        $errors->add( 'user_name', __( 'Username must be at least 4 characters.' ) );
+    }
 
     if ( strlen( $user_name ) > 60 ) {
@@ -482 +492 @@
 
     // all numeric?
-    if ( preg_match( '/^[0-9]*$/', $user_name ) )
-        $errors->add('user_name', __('Sorry, usernames must have letters too!'));
+    if ( preg_match( '/^[0-9]*$/', $user_name ) ) {
+        $errors->add( 'user_name', __( 'Sorry, usernames must have letters too!' ) );
+    }
 
     $limited_email_domains = get_site_option( 'limited_email_domains' );
@@ -489 +500 @@
         $emaildomain = substr( $user_email, 1 + strpos( $user_email, '@' ) );
         if ( ! in_array( $emaildomain, $limited_email_domains ) ) {
-            $errors->add('user_email', __('Sorry, that email address is not allowed!'));
+            $errors->add( 'user_email', __( 'Sorry, that email address is not allowed!' ) );
         }
     }
 
     // Check if the username has been used already.
-    if ( username_exists($user_name) )
+    if ( username_exists( $user_name ) ) {
         $errors->add( 'user_name', __( 'Sorry, that username already exists!' ) );
+    }
 
     // Check if the email address has been used already.
-    if ( email_exists($user_email) )
+    if ( email_exists( $user_email ) ) {
         $errors->add( 'user_email', __( 'Sorry, that email address is already used!' ) );
+    }
 
     // Has someone already signed up for this username?
-    $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_login = %s", $user_name) );
+    $signup = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->signups WHERE user_login = %s", $user_name ) );
     if ( $signup != null ) {
-        $registered_at =  mysql2date('U', $signup->registered);
-        $now = current_time( 'timestamp', true );
-        $diff = $now - $registered_at;
+        $registered_at = mysql2date( 'U', $signup->registered );
+        $now           = current_time( 'timestamp', true );
+        $diff          = $now - $registered_at;
         // If registered more than two days ago, cancel registration and let this signup go through.
-        if ( $diff > 2 * DAY_IN_SECONDS )
+        if ( $diff > 2 * DAY_IN_SECONDS ) {
             $wpdb->delete( $wpdb->signups, array( 'user_login' => $user_name ) );
-        else
-            $errors->add('user_name', __('That username is currently reserved but may be available in a couple of days.'));
-    }
-
-    $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE user_email = %s", $user_email) );
+        } else {
+            $errors->add( 'user_name', __( 'That username is currently reserved but may be available in a couple of days.' ) );
+        }
+    }
+
+    $signup = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->signups WHERE user_email = %s", $user_email ) );
     if ( $signup != null ) {
-        $diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
+        $diff = current_time( 'timestamp', true ) - mysql2date( 'U', $signup->registered );
         // If registered more than two days ago, cancel registration and let this signup go through.
-        if ( $diff > 2 * DAY_IN_SECONDS )
+        if ( $diff > 2 * DAY_IN_SECONDS ) {
             $wpdb->delete( $wpdb->signups, array( 'user_email' => $user_email ) );
-        else
-            $errors->add('user_email', __('That email address has already been used. Please check your inbox for an activation email. It will become available in a couple of days if you do nothing.'));
-    }
-
-    $result = array('user_name' => $user_name, 'orig_username' => $orig_username, 'user_email' => $user_email, 'errors' => $errors);
+        } else {
+            $errors->add( 'user_email', __( 'That email address has already been used. Please check your inbox for an activation email. It will become available in a couple of days if you do nothing.' ) );
+        }
+    }
+
+    $result = array(
+        'user_name'     => $user_name,
+        'orig_username' => $orig_username,
+        'user_email'    => $user_email,
+        'errors'        => $errors,
+    );
 
     /**
@@ -574 +594 @@
 
     $current_network = get_network();
-    $base = $current_network->path;
+    $base            = $current_network->path;
 
     $blog_title = strip_tags( $blog_title );
 
-    $errors = new WP_Error();
+    $errors        = new WP_Error();
     $illegal_names = get_site_option( 'illegal_names' );
     if ( $illegal_names == false ) {
@@ -593 +613 @@
     }
 
-    if ( empty( $blogname ) )
-        $errors->add('blogname', __( 'Please enter a site name.' ) );
+    if ( empty( $blogname ) ) {
+        $errors->add( 'blogname', __( 'Please enter a site name.' ) );
+    }
 
     if ( preg_match( '/[^a-z0-9]+/', $blogname ) ) {
@@ -600 +621 @@
     }
 
-    if ( in_array( $blogname, $illegal_names ) )
-        $errors->add('blogname',  __( 'That name is not allowed.' ) );
+    if ( in_array( $blogname, $illegal_names ) ) {
+        $errors->add( 'blogname', __( 'That name is not allowed.' ) );
+    }
 
     /**
@@ -618 +640 @@
 
     // do not allow users to create a blog that conflicts with a page on the main blog.
-    if ( !is_subdomain_install() && $wpdb->get_var( $wpdb->prepare( "SELECT post_name FROM " . $wpdb->get_blog_prefix( $current_network->site_id ) . "posts WHERE post_type = 'page' AND post_name = %s", $blogname ) ) )
+    if ( ! is_subdomain_install() && $wpdb->get_var( $wpdb->prepare( 'SELECT post_name FROM ' . $wpdb->get_blog_prefix( $current_network->site_id ) . "posts WHERE post_type = 'page' AND post_name = %s", $blogname ) ) ) {
         $errors->add( 'blogname', __( 'Sorry, you may not use that site name.' ) );
+    }
 
     // all numeric?
-    if ( preg_match( '/^[0-9]*$/', $blogname ) )
-        $errors->add('blogname', __('Sorry, site names must have letters too!'));
+    if ( preg_match( '/^[0-9]*$/', $blogname ) ) {
+        $errors->add( 'blogname', __( 'Sorry, site names must have letters too!' ) );
+    }
 
     /**
@@ -637 +661 @@
     $blogname = apply_filters( 'newblogname', $blogname );
 
-    $blog_title = wp_unslash(  $blog_title );
-
-    if ( empty( $blog_title ) )
-        $errors->add('blog_title', __( 'Please enter a site title.' ) );
+    $blog_title = wp_unslash( $blog_title );
+
+    if ( empty( $blog_title ) ) {
+        $errors->add( 'blog_title', __( 'Please enter a site title.' ) );
+    }
 
     // Check if the domain/path has been used already.
     if ( is_subdomain_install() ) {
         $mydomain = $blogname . '.' . preg_replace( '|^www\.|', '', $domain );
-        $path = $base;
+        $path     = $base;
     } else {
         $mydomain = "$domain";
-        $path = $base.$blogname.'/';
-    }
-    if ( domain_exists($mydomain, $path, $current_network->id) )
+        $path     = $base . $blogname . '/';
+    }
+    if ( domain_exists( $mydomain, $path, $current_network->id ) ) {
         $errors->add( 'blogname', __( 'Sorry, that site already exists!' ) );
+    }
 
     if ( username_exists( $blogname ) ) {
-        if ( ! is_object( $user ) || ( is_object($user) && ( $user->user_login != $blogname ) ) )
+        if ( ! is_object( $user ) || ( is_object( $user ) && ( $user->user_login != $blogname ) ) ) {
             $errors->add( 'blogname', __( 'Sorry, that site is reserved!' ) );
+        }
     }
 
     // Has someone already signed up for this domain?
-    $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path) ); // TODO: Check email too?
-    if ( ! empty($signup) ) {
-        $diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered);
+    $signup = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path ) ); // TODO: Check email too?
+    if ( ! empty( $signup ) ) {
+        $diff = current_time( 'timestamp', true ) - mysql2date( 'U', $signup->registered );
         // If registered more than two days ago, cancel registration and let this signup go through.
-        if ( $diff > 2 * DAY_IN_SECONDS )
-            $wpdb->delete( $wpdb->signups, array( 'domain' => $mydomain , 'path' => $path ) );
-        else
-            $errors->add('blogname', __('That site is currently reserved but may be available in a couple days.'));
-    }
-
-    $result = array('domain' => $mydomain, 'path' => $path, 'blogname' => $blogname, 'blog_title' => $blog_title, 'user' => $user, 'errors' => $errors);
+        if ( $diff > 2 * DAY_IN_SECONDS ) {
+            $wpdb->delete(
+                $wpdb->signups, array(
+                    'domain' => $mydomain,
+                    'path'   => $path,
+                )
+            );
+        } else {
+            $errors->add( 'blogname', __( 'That site is currently reserved but may be available in a couple days.' ) );
+        }
+    }
+
+    $result = array(
+        'domain'     => $mydomain,
+        'path'       => $path,
+        'blogname'   => $blogname,
+        'blog_title' => $blog_title,
+        'user'       => $user,
+        'errors'     => $errors,
+    );
 
     /**
@@ -704 +744 @@
  * @param array  $meta       Optional. Signup meta data. By default, contains the requested privacy setting and lang_id.
  */
-function wpmu_signup_blog( $domain, $path, $title, $user, $user_email, $meta = array() )  {
+function wpmu_signup_blog( $domain, $path, $title, $user, $user_email, $meta = array() ) {
     global $wpdb;
 
@@ -726 +766 @@
     $meta = apply_filters( 'signup_site_meta', $meta, $domain, $path, $title, $user, $user_email, $key );
 
-    $wpdb->insert( $wpdb->signups, array(
-        'domain' => $domain,
-        'path' => $path,
-        'title' => $title,
-        'user_login' => $user,
-        'user_email' => $user_email,
-        'registered' => current_time('mysql', true),
-        'activation_key' => $key,
-        'meta' => serialize( $meta )
-    ) );
+    $wpdb->insert(
+        $wpdb->signups, array(
+            'domain'         => $domain,
+            'path'           => $path,
+            'title'          => $title,
+            'user_login'     => $user,
+            'user_email'     => $user_email,
+            'registered'     => current_time( 'mysql', true ),
+            'activation_key' => $key,
+            'meta'           => serialize( $meta ),
+        )
+    );
 
     /**
@@ -771 +813 @@
 
     // Format data
-    $user = preg_replace( '/\s+/', '', sanitize_user( $user, true ) );
+    $user       = preg_replace( '/\s+/', '', sanitize_user( $user, true ) );
     $user_email = sanitize_email( $user_email );
-    $key = substr( md5( time() . wp_rand() . $user_email ), 0, 16 );
+    $key        = substr( md5( time() . wp_rand() . $user_email ), 0, 16 );
 
     /**
@@ -789 +831 @@
     $meta = apply_filters( 'signup_user_meta', $meta, $user, $user_email, $key );
 
-    $wpdb->insert( $wpdb->signups, array(
-        'domain' => '',
-        'path' => '',
-        'title' => '',
-        'user_login' => $user,
-        'user_email' => $user_email,
-        'registered' => current_time('mysql', true),
-        'activation_key' => $key,
-        'meta' => serialize( $meta )
-    ) );
+    $wpdb->insert(
+        $wpdb->signups, array(
+            'domain'         => '',
+            'path'           => '',
+            'title'          => '',
+            'user_login'     => $user,
+            'user_email'     => $user_email,
+            'registered'     => current_time( 'mysql', true ),
+            'activation_key' => $key,
+            'meta'           => serialize( $meta ),
+        )
+    );
 
     /**
@@ -857 +901 @@
 
     // Send email with activation link.
-    if ( !is_subdomain_install() || get_current_network_id() != 1 )
-        $activate_url = network_site_url("wp-activate.php?key=$key");
-    else
+    if ( ! is_subdomain_install() || get_current_network_id() != 1 ) {
+        $activate_url = network_site_url( "wp-activate.php?key=$key" );
+    } else {
         $activate_url = "http://{$domain}{$path}wp-activate.php?key=$key"; // @todo use *_url() API
-
-    $activate_url = esc_url($activate_url);
-    $admin_email = get_site_option( 'admin_email' );
-    if ( $admin_email == '' )
+    }
+
+    $activate_url = esc_url( $activate_url );
+    $admin_email  = get_site_option( 'admin_email' );
+    if ( $admin_email == '' ) {
         $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
-    $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
-    $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
-
-    $user = get_user_by( 'login', $user_login );
+    }
+    $from_name       = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
+    $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n";
+
+    $user            = get_user_by( 'login', $user_login );
     $switched_locale = switch_to_locale( get_user_locale( $user ) );
 
@@ -889 +935 @@
          * @param array  $meta       Signup meta data. By default, contains the requested privacy setting and lang_id.
          */
-        apply_filters( 'wpmu_signup_blog_notification_email',
-            __( "To activate your blog, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login.\n\nAfter you activate, you can visit your site here:\n\n%s" ),
+        apply_filters(
+            'wpmu_signup_blog_notification_email',
+            __( "To activate your blog, please click the following link:\n\n%1\$s\n\nAfter you activate, you will receive *another email* with your login.\n\nAfter you activate, you can visit your site here:\n\n%2\$s" ),
             $domain, $path, $title, $user_login, $user_email, $key, $meta
         ),
@@ -913 +960 @@
          * @param array  $meta       Signup meta data. By default, contains the requested privacy setting and lang_id.
          */
-        apply_filters( 'wpmu_signup_blog_notification_subject',
+        apply_filters(
+            'wpmu_signup_blog_notification_subject',
             /* translators: New site notification email subject. 1: Network name, 2: New site URL */
             _x( '[%1$s] Activate %2$s', 'New site notification email subject' ),
@@ -963 +1011 @@
      * @param array  $meta       Signup meta data. Default empty array.
      */
-    if ( ! apply_filters( 'wpmu_signup_user_notification', $user_login, $user_email, $key, $meta ) )
+    if ( ! apply_filters( 'wpmu_signup_user_notification', $user_login, $user_email, $key, $meta ) ) {
         return false;
-
-    $user = get_user_by( 'login', $user_login );
+    }
+
+    $user            = get_user_by( 'login', $user_login );
     $switched_locale = switch_to_locale( get_user_locale( $user ) );
 
     // Send email with activation link.
     $admin_email = get_site_option( 'admin_email' );
-    if ( $admin_email == '' )
+    if ( $admin_email == '' ) {
         $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
-    $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
-    $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
-    $message = sprintf(
+    }
+    $from_name       = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
+    $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n";
+    $message         = sprintf(
         /**
          * Filters the content of the notification email for new user sign-up.
@@ -989 +1039 @@
          * @param array  $meta       Signup meta data. Default empty array.
          */
-        apply_filters( 'wpmu_signup_user_notification_email',
+        apply_filters(
+            'wpmu_signup_user_notification_email',
             __( "To activate your user, please click the following link:\n\n%s\n\nAfter you activate, you will receive *another email* with your login." ),
             $user_login, $user_email, $key, $meta
@@ -1008 +1059 @@
          * @param array  $meta       Signup meta data. Default empty array.
          */
-        apply_filters( 'wpmu_signup_user_notification_subject',
+        apply_filters(
+            'wpmu_signup_user_notification_subject',
             /* translators: New user notification email subject. 1: Network name, 2: New user login */
             _x( '[%1$s] Activate %2$s', 'New user notification email subject' ),
@@ -1040 +1092 @@
  * @return array|WP_Error An array containing information about the activated user and/or blog
  */
-function wpmu_activate_signup($key) {
+function wpmu_activate_signup( $key ) {
     global $wpdb;
 
-    $signup = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->signups WHERE activation_key = %s", $key) );
-
-    if ( empty( $signup ) )
+    $signup = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->signups WHERE activation_key = %s", $key ) );
+
+    if ( empty( $signup ) ) {
         return new WP_Error( 'invalid_key', __( 'Invalid activation key.' ) );
+    }
 
     if ( $signup->active ) {
-        if ( empty( $signup->domain ) )
+        if ( empty( $signup->domain ) ) {
             return new WP_Error( 'already_active', __( 'The user is already active.' ), $signup );
-        else
+        } else {
             return new WP_Error( 'already_active', __( 'The site is already active.' ), $signup );
-    }
-
-    $meta = maybe_unserialize($signup->meta);
+        }
+    }
+
+    $meta     = maybe_unserialize( $signup->meta );
     $password = wp_generate_password( 12, false );
 
-    $user_id = username_exists($signup->user_login);
-
-    if ( ! $user_id )
-        $user_id = wpmu_create_user($signup->user_login, $password, $signup->user_email);
-    else
+    $user_id = username_exists( $signup->user_login );
+
+    if ( ! $user_id ) {
+        $user_id = wpmu_create_user( $signup->user_login, $password, $signup->user_email );
+    } else {
         $user_already_exists = true;
-
-    if ( ! $user_id )
-        return new WP_Error('create_user', __('Could not create user'), $signup);
-
-    $now = current_time('mysql', true);
-
-    if ( empty($signup->domain) ) {
-        $wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
-
-        if ( isset( $user_already_exists ) )
-            return new WP_Error( 'user_already_exists', __( 'That username is already activated.' ), $signup);
+    }
+
+    if ( ! $user_id ) {
+        return new WP_Error( 'create_user', __( 'Could not create user' ), $signup );
+    }
+
+    $now = current_time( 'mysql', true );
+
+    if ( empty( $signup->domain ) ) {
+        $wpdb->update(
+            $wpdb->signups, array(
+                'active'    => 1,
+                'activated' => $now,
+            ), array( 'activation_key' => $key )
+        );
+
+        if ( isset( $user_already_exists ) ) {
+            return new WP_Error( 'user_already_exists', __( 'That username is already activated.' ), $signup );
+        }
 
         /**
@@ -1086 +1148 @@
          */
         do_action( 'wpmu_activate_user', $user_id, $password, $meta );
-        return array( 'user_id' => $user_id, 'password' => $password, 'meta' => $meta );
+        return array(
+            'user_id'  => $user_id,
+            'password' => $password,
+            'meta'     => $meta,
+        );
     }
 
@@ -1092 +1158 @@
 
     // TODO: What to do if we create a user but cannot create a blog?
-    if ( is_wp_error($blog_id) ) {
+    if ( is_wp_error( $blog_id ) ) {
         // If blog is taken, that means a previous attempt to activate this blog failed in between creating the blog and
         // setting the activation flag. Let's just set the active flag and instruct the user to reset their password.
         if ( 'blog_taken' == $blog_id->get_error_code() ) {
             $blog_id->add_data( $signup );
-            $wpdb->update( $wpdb->signups, array( 'active' => 1, 'activated' => $now ), array( 'activation_key' => $key ) );
+            $wpdb->update(
+                $wpdb->signups, array(
+                    'active'    => 1,
+                    'activated' => $now,
+                ), array( 'activation_key' => $key )
+            );
         }
         return $blog_id;
     }
 
-    $wpdb->update( $wpdb->signups, array('active' => 1, 'activated' => $now), array('activation_key' => $key) );
+    $wpdb->update(
+        $wpdb->signups, array(
+            'active'    => 1,
+            'activated' => $now,
+        ), array( 'activation_key' => $key )
+    );
     /**
      * Fires immediately after a site is activated.
@@ -1116 +1192 @@
     do_action( 'wpmu_activate_blog', $blog_id, $user_id, $password, $signup->title, $meta );
 
-    return array('blog_id' => $blog_id, 'user_id' => $user_id, 'password' => $password, 'title' => $signup->title, 'meta' => $meta);
+    return array(
+        'blog_id'  => $blog_id,
+        'user_id'  => $user_id,
+        'password' => $password,
+        'title'    => $signup->title,
+        'meta'     => $meta,
+    );
 }
 
@@ -1138 +1220 @@
 
     $user_id = wp_create_user( $user_name, $password, $email );
-    if ( is_wp_error( $user_id ) )
+    if ( is_wp_error( $user_id ) ) {
         return false;
+    }
 
     // Newly created users have no roles or caps until they are added to a blog.
@@ -1188 +1271 @@
         'WPLANG' => get_network_option( $network_id, 'WPLANG' ),
     );
-    $meta = wp_parse_args( $meta, $defaults );
+    $meta     = wp_parse_args( $meta, $defaults );
 
     $domain = preg_replace( '/\s+/', '', sanitize_user( $domain, true ) );
 
-    if ( is_subdomain_install() )
+    if ( is_subdomain_install() ) {
         $domain = str_replace( '@', '', $domain );
-
-    $title = strip_tags( $title );
+    }
+
+    $title   = strip_tags( $title );
     $user_id = (int) $user_id;
 
-    if ( empty($path) )
+    if ( empty( $path ) ) {
         $path = '/';
+    }
 
     // Check if the domain has been used already. We should return an error message.
-    if ( domain_exists($domain, $path, $network_id) )
+    if ( domain_exists( $domain, $path, $network_id ) ) {
         return new WP_Error( 'blog_taken', __( 'Sorry, that site already exists!' ) );
+    }
 
     if ( ! wp_installing() ) {
@@ -1209 +1295 @@
     }
 
-    if ( ! $blog_id = insert_blog($domain, $path, $network_id) )
-        return new WP_Error('insert_blog', __('Could not create site.'));
-
-    switch_to_blog($blog_id);
-    install_blog($blog_id, $title);
-    wp_install_defaults($user_id);
-
-    add_user_to_blog($blog_id, $user_id, 'administrator');
+    if ( ! $blog_id = insert_blog( $domain, $path, $network_id ) ) {
+        return new WP_Error( 'insert_blog', __( 'Could not create site.' ) );
+    }
+
+    switch_to_blog( $blog_id );
+    install_blog( $blog_id, $title );
+    wp_install_defaults( $user_id );
+
+    add_user_to_blog( $blog_id, $user_id, 'administrator' );
 
     foreach ( $meta as $key => $value ) {
-        if ( in_array( $key, array( 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ) ) )
+        if ( in_array( $key, array( 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ) ) ) {
             update_blog_status( $blog_id, $key, $value );
-        else
+        } else {
             update_option( $key, $value );
+        }
     }
 
     update_option( 'blog_public', (int) $meta['public'] );
 
-    if ( ! is_super_admin( $user_id ) && ! get_user_meta( $user_id, 'primary_blog', true ) )
+    if ( ! is_super_admin( $user_id ) && ! get_user_meta( $user_id, 'primary_blog', true ) ) {
         update_user_meta( $user_id, 'primary_blog', $blog_id );
+    }
 
     restore_current_blog();
@@ -1263 +1352 @@
  */
 function newblog_notify_siteadmin( $blog_id, $deprecated = '' ) {
-    if ( get_site_option( 'registrationnotification' ) != 'yes' )
+    if ( get_site_option( 'registrationnotification' ) != 'yes' ) {
         return false;
+    }
 
     $email = get_site_option( 'admin_email' );
-    if ( is_email($email) == false )
+    if ( is_email( $email ) == false ) {
         return false;
-
-    $options_site_url = esc_url(network_admin_url('settings.php'));
+    }
+
+    $options_site_url = esc_url( network_admin_url( 'settings.php' ) );
 
     switch_to_blog( $blog_id );
     $blogname = get_option( 'blogname' );
-    $siteurl = site_url();
+    $siteurl  = site_url();
     restore_current_blog();
 
     /* translators: New site notification email. 1: Site URL, 2: User IP address, 3: Settings screen URL */
-    $msg = sprintf( __( 'New Site: %1$s
+    $msg = sprintf(
+        __(
+            'New Site: %1$s
 URL: %2$s
 Remote IP address: %3$s
 
-Disable these notifications: %4$s' ), $blogname, $siteurl, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url);
+Disable these notifications: %4$s'
+        ), $blogname, $siteurl, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url
+    );
     /**
      * Filters the message body of the new site activation email sent
@@ -1309 +1404 @@
  */
 function newuser_notify_siteadmin( $user_id ) {
-    if ( get_site_option( 'registrationnotification' ) != 'yes' )
+    if ( get_site_option( 'registrationnotification' ) != 'yes' ) {
         return false;
+    }
 
     $email = get_site_option( 'admin_email' );
 
-    if ( is_email($email) == false )
+    if ( is_email( $email ) == false ) {
         return false;
+    }
 
     $user = get_userdata( $user_id );
 
-    $options_site_url = esc_url(network_admin_url('settings.php'));
+    $options_site_url = esc_url( network_admin_url( 'settings.php' ) );
     /* translators: New user notification email. 1: User login, 2: User IP address, 3: Settings screen URL */
-    $msg = sprintf(__('New User: %1$s
+    $msg = sprintf(
+        __(
+            'New User: %1$s
 Remote IP address: %2$s
 
-Disable these notifications: %3$s'), $user->user_login, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url);
+Disable these notifications: %3$s'
+        ), $user->user_login, wp_unslash( $_SERVER['REMOTE_ADDR'] ), $options_site_url
+    );
 
     /**
@@ -1336 +1437 @@
      */
     $msg = apply_filters( 'newuser_notify_siteadmin', $msg, $user );
-    wp_mail( $email, sprintf(__('New User Registration: %s'), $user->user_login), $msg );
+    wp_mail( $email, sprintf( __( 'New User Registration: %s' ), $user->user_login ), $msg );
     return true;
 }
@@ -1357 +1458 @@
  */
 function domain_exists( $domain, $path, $network_id = 1 ) {
-    $path = trailingslashit( $path );
-    $args = array(
+    $path   = trailingslashit( $path );
+    $args   = array(
         'network_id' => $network_id,
         'domain'     => $domain,
@@ -1399 +1500 @@
  * @return int|false The ID of the new row
  */
-function insert_blog($domain, $path, $network_id) {
+function insert_blog( $domain, $path, $network_id ) {
     global $wpdb;
 
-    $path = trailingslashit($path);
+    $path       = trailingslashit( $path );
     $network_id = (int) $network_id;
 
-    $result = $wpdb->insert( $wpdb->blogs, array('site_id' => $network_id, 'domain' => $domain, 'path' => $path, 'registered' => current_time('mysql')) );
-    if ( ! $result )
+    $result = $wpdb->insert(
+        $wpdb->blogs, array(
+            'site_id'    => $network_id,
+            'domain'     => $domain,
+            'path'       => $path,
+            'registered' => current_time( 'mysql' ),
+        )
+    );
+    if ( ! $result ) {
         return false;
+    }
 
     $blog_id = $wpdb->insert_id;
@@ -1441 +1550 @@
 
     $suppress = $wpdb->suppress_errors();
-    if ( $wpdb->get_results( "DESCRIBE {$wpdb->posts}" ) )
+    if ( $wpdb->get_results( "DESCRIBE {$wpdb->posts}" ) ) {
         die( '<h1>' . __( 'Already Installed' ) . '</h1><p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p></body></html>' );
+    }
     $wpdb->suppress_errors( $suppress );
 
@@ -1459 +1569 @@
     if ( ! is_subdomain_install() ) {
 
-        if ( 'https' === parse_url( get_site_option( 'siteurl' ), PHP_URL_SCHEME ) ) {
-            $siteurl = set_url_scheme( $siteurl, 'https' );
-        }
-        if ( 'https' === parse_url( get_home_url( get_network()->site_id ), PHP_URL_SCHEME ) ) {
-            $home = set_url_scheme( $home, 'https' );
-        }
-
+        if ( 'https' === parse_url( get_site_option( 'siteurl' ), PHP_URL_SCHEME ) ) {
+            $siteurl = set_url_scheme( $siteurl, 'https' );
+        }
+        if ( 'https' === parse_url( get_home_url( get_network()->site_id ), PHP_URL_SCHEME ) ) {
+            $home = set_url_scheme( $home, 'https' );
+        }
     }
 
@@ -1471 +1580 @@
     update_option( 'home', $home );
 
-    if ( get_site_option( 'ms_files_rewriting' ) )
+    if ( get_site_option( 'ms_files_rewriting' ) ) {
         update_option( 'upload_path', UPLOADBLOGSDIR . "/$blog_id/files" );
-    else
+    } else {
         update_option( 'upload_path', get_blog_option( get_network()->site_id, 'upload_path' ) );
+    }
 
     update_option( 'blogname', wp_unslash( $blog_title ) );
@@ -1481 +1591 @@
     // remove all perms
     $table_prefix = $wpdb->get_blog_prefix();
-    delete_metadata( 'user', 0, $table_prefix . 'user_level',   null, true ); // delete all
+    delete_metadata( 'user', 0, $table_prefix . 'user_level', null, true ); // delete all
     delete_metadata( 'user', 0, $table_prefix . 'capabilities', null, true ); // delete all
 }
@@ -1499 +1609 @@
  * @param int $user_id
  */
-function install_blog_defaults($blog_id, $user_id) {
+function install_blog_defaults( $blog_id, $user_id ) {
     global $wpdb;
 
@@ -1506 +1616 @@
     $suppress = $wpdb->suppress_errors();
 
-    wp_install_defaults($user_id);
+    wp_install_defaults( $user_id );
 
     $wpdb->suppress_errors( $suppress );
@@ -1544 +1654 @@
      * @param array    $meta     Signup meta data. By default, contains the requested privacy setting and lang_id.
      */
-    if ( ! apply_filters( 'wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta ) )
+    if ( ! apply_filters( 'wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta ) ) {
         return false;
+    }
 
     $user = get_userdata( $user_id );
@@ -1554 +1665 @@
     if ( $welcome_email == false ) {
         /* translators: Do not translate USERNAME, SITE_NAME, BLOG_URL, PASSWORD: those are placeholders. */
-        $welcome_email = __( 'Howdy USERNAME,
+        $welcome_email = __(
+            'Howdy USERNAME,
 
 Your new SITE_NAME site has been successfully set up at:
@@ -1567 +1679 @@
 We hope you enjoy your new site. Thanks!
 
---The Team @ SITE_NAME' );
-    }
-
-    $url = get_blogaddress_by_id($blog_id);
+--The Team @ SITE_NAME'
+        );
+    }
+
+    $url = get_blogaddress_by_id( $blog_id );
 
     $welcome_email = str_replace( 'SITE_NAME', $current_network->site_name, $welcome_email );
@@ -1593 +1706 @@
      */
     $welcome_email = apply_filters( 'update_welcome_email', $welcome_email, $blog_id, $user_id, $password, $title, $meta );
-    $admin_email = get_site_option( 'admin_email' );
-
-    if ( $admin_email == '' )
+    $admin_email   = get_site_option( 'admin_email' );
+
+    if ( $admin_email == '' ) {
         $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
-
-    $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
-    $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
-    $message = $welcome_email;
-
-    if ( empty( $current_network->site_name ) )
+    }
+
+    $from_name       = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
+    $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n";
+    $message         = $welcome_email;
+
+    if ( empty( $current_network->site_name ) ) {
         $current_network->site_name = 'WordPress';
+    }
 
     /* translators: New site notification email subject. 1: Network name, 2: New site name */
@@ -1644 +1759 @@
 
     /**
-     * Filters whether to bypass the welcome email after user activation.
+     * Filters whether to bypass the welcome email after user activation.
      *
      * Returning false disables the welcome email.
@@ -1654 +1769 @@
      * @param array  $meta     Signup meta data. Default empty array.
      */
-    if ( ! apply_filters( 'wpmu_welcome_user_notification', $user_id, $password, $meta ) )
+    if ( ! apply_filters( 'wpmu_welcome_user_notification', $user_id, $password, $meta ) ) {
         return false;
+    }
 
     $welcome_email = get_site_option( 'welcome_user_email' );
@@ -1683 +1799 @@
     $admin_email = get_site_option( 'admin_email' );
 
-    if ( $admin_email == '' )
+    if ( $admin_email == '' ) {
         $admin_email = 'support@' . $_SERVER['SERVER_NAME'];
-
-    $from_name = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
-    $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
-    $message = $welcome_email;
-
-    if ( empty( $current_network->site_name ) )
+    }
+
+    $from_name       = get_site_option( 'site_name' ) == '' ? 'WordPress' : esc_html( get_site_option( 'site_name' ) );
+    $message_headers = "From: \"{$from_name}\" <{$admin_email}>\n" . 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n";
+    $message         = $welcome_email;
+
+    if ( empty( $current_network->site_name ) ) {
         $current_network->site_name = 'WordPress';
+    }
 
     /* translators: New user notification email subject. 1: Network name, 2: New user login */
@@ -1703 +1821 @@
      * @param string $subject Subject of the email.
      */
-    $subject = apply_filters( 'update_welcome_user_subject', sprintf( $subject, $current_network->site_name, $user->user_login) );
+    $subject = apply_filters( 'update_welcome_user_subject', sprintf( $subject, $current_network->site_name, $user->user_login ) );
     wp_mail( $user->user_email, wp_specialchars_decode( $subject ), $message, $message_headers );
 
@@ -1748 +1866 @@
     global $wpdb;
 
-    $user_blogs = get_blogs_of_user( (int) $user_id );
+    $user_blogs       = get_blogs_of_user( (int) $user_id );
     $most_recent_post = array();
 
@@ -1754 +1872 @@
     // published by $user_id
     foreach ( (array) $user_blogs as $blog ) {
-        $prefix = $wpdb->get_blog_prefix( $blog->userblog_id );
-        $recent_post = $wpdb->get_row( $wpdb->prepare("SELECT ID, post_date_gmt FROM {$prefix}posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1", $user_id ), ARRAY_A);
+        $prefix      = $wpdb->get_blog_prefix( $blog->userblog_id );
+        $recent_post = $wpdb->get_row( $wpdb->prepare( "SELECT ID, post_date_gmt FROM {$prefix}posts WHERE post_author = %d AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1", $user_id ), ARRAY_A );
 
         // Make sure we found a post
-        if ( isset($recent_post['ID']) ) {
-            $post_gmt_ts = strtotime($recent_post['post_date_gmt']);
+        if ( isset( $recent_post['ID'] ) ) {
+            $post_gmt_ts = strtotime( $recent_post['post_date_gmt'] );
 
             // If this is the first post checked or if this post is
             // newer than the current recent post, make it the new
             // most recent post.
-            if ( !isset($most_recent_post['post_gmt_ts']) || ( $post_gmt_ts > $most_recent_post['post_gmt_ts'] ) ) {
+            if ( ! isset( $most_recent_post['post_gmt_ts'] ) || ( $post_gmt_ts > $most_recent_post['post_gmt_ts'] ) ) {
                 $most_recent_post = array(
-                    'blog_id'       => $blog->userblog_id,
-                    'post_id'       => $recent_post['ID'],
-                    'post_date_gmt' => $recent_post['post_date_gmt'],
-                    'post_gmt_ts'   => $post_gmt_ts
+                    'blog_id'       => $blog->userblog_id,
+                    'post_id'       => $recent_post['ID'],
+                    'post_date_gmt' => $recent_post['post_date_gmt'],
+                    'post_gmt_ts'   => $post_gmt_ts,
                 );
             }
@@ -1793 +1911 @@
 function get_dirsize( $directory ) {
     $dirsize = get_transient( 'dirsize_cache' );
-    if ( is_array( $dirsize ) && isset( $dirsize[ $directory ][ 'size' ] ) )
-        return $dirsize[ $directory ][ 'size' ];
-
-    if ( ! is_array( $dirsize ) )
+    if ( is_array( $dirsize ) && isset( $dirsize[ $directory ]['size'] ) ) {
+        return $dirsize[ $directory ]['size'];
+    }
+
+    if ( ! is_array( $dirsize ) ) {
         $dirsize = array();
+    }
 
     // Exclude individual site directories from the total when checking the main site,
     // as they are subdirectories and should not be counted.
     if ( is_main_site() ) {
-        $dirsize[ $directory ][ 'size' ] = recurse_dirsize( $directory, $directory . '/sites' );
+        $dirsize[ $directory ]['size'] = recurse_dirsize( $directory, $directory . '/sites' );
     } else {
-        $dirsize[ $directory ][ 'size' ] = recurse_dirsize( $directory );
+        $dirsize[ $directory ]['size'] = recurse_dirsize( $directory );
     }
 
     set_transient( 'dirsize_cache', $dirsize, HOUR_IN_SECONDS );
-    return $dirsize[ $directory ][ 'size' ];
+    return $dirsize[ $directory ]['size'];
 }
 
@@ -1833 +1953 @@
     }
 
-    if ($handle = opendir($directory)) {
-        while(($file = readdir($handle)) !== false) {
-            $path = $directory.'/'.$file;
-            if ($file != '.' && $file != '..') {
-                if (is_file($path)) {
-                    $size += filesize($path);
-                } elseif (is_dir($path)) {
+    if ( $handle = opendir( $directory ) ) {
+        while ( ( $file = readdir( $handle ) ) !== false ) {
+            $path = $directory . '/' . $file;
+            if ( $file != '.' && $file != '..' ) {
+                if ( is_file( $path ) ) {
+                    $size += filesize( $path );
+                } elseif ( is_dir( $path ) ) {
                     $handlesize = recurse_dirsize( $path, $exclude );
-                    if ($handlesize > 0)
+                    if ( $handlesize > 0 ) {
                         $size += $handlesize;
+                    }
                 }
             }
         }
-        closedir($handle);
+        closedir( $handle );
     }
     return $size;
@@ -1866 +1987 @@
  */
 function check_upload_mimes( $mimes ) {
-    $site_exts = explode( ' ', get_site_option( 'upload_filetypes', 'jpg jpeg png gif' ) );
+    $site_exts  = explode( ' ', get_site_option( 'upload_filetypes', 'jpg jpeg png gif' ) );
     $site_mimes = array();
     foreach ( $site_exts as $ext ) {
         foreach ( $mimes as $ext_pattern => $mime ) {
-            if ( $ext != '' && strpos( $ext_pattern, $ext ) !== false )
-                $site_mimes[$ext_pattern] = $mime;
+            if ( $ext != '' && strpos( $ext_pattern, $ext ) !== false ) {
+                $site_mimes[ $ext_pattern ] = $mime;
+            }
         }
     }
@@ -1909 +2031 @@
     global $wpdb;
     $user = get_userdata( (int) $user_id );
-    if ( $user )
-        $wpdb->insert( $wpdb->registration_log, array('email' => $user->user_email, 'IP' => preg_replace( '/[^0-9., ]/', '', wp_unslash( $_SERVER['REMOTE_ADDR'] ) ), 'blog_id' => $blog_id, 'date_registered' => current_time('mysql')) );
+    if ( $user ) {
+        $wpdb->insert(
+            $wpdb->registration_log, array(
+                'email'           => $user->user_email,
+                'IP'              => preg_replace( '/[^0-9., ]/', '', wp_unslash( $_SERVER['REMOTE_ADDR'] ) ),
+                'blog_id'         => $blog_id,
+                'date_registered' => current_time( 'mysql' ),
+            )
+        );
+    }
 }
 
@@ -1931 +2061 @@
     static $global_terms_recurse = null;
 
-    if ( !global_terms_enabled() )
+    if ( ! global_terms_enabled() ) {
         return $term_id;
+    }
 
     // prevent a race condition
     $recurse_start = false;
     if ( $global_terms_recurse === null ) {
-        $recurse_start = true;
+        $recurse_start        = true;
         $global_terms_recurse = 1;
     } elseif ( 10 < $global_terms_recurse++ ) {
@@ -1944 +2075 @@
 
     $term_id = intval( $term_id );
-    $c = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->terms WHERE term_id = %d", $term_id ) );
+    $c       = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->terms WHERE term_id = %d", $term_id ) );
 
     $global_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM $wpdb->sitecategories WHERE category_nicename = %s", $c->slug ) );
@@ -1950 +2081 @@
         $used_global_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM $wpdb->sitecategories WHERE cat_ID = %d", $c->term_id ) );
         if ( null == $used_global_id ) {
-            $wpdb->insert( $wpdb->sitecategories, array( 'cat_ID' => $term_id, 'cat_name' => $c->name, 'category_nicename' => $c->slug ) );
+            $wpdb->insert(
+                $wpdb->sitecategories, array(
+                    'cat_ID'            => $term_id,
+                    'cat_name'          => $c->name,
+                    'category_nicename' => $c->slug,
+                )
+            );
             $global_id = $wpdb->insert_id;
-            if ( empty( $global_id ) )
+            if ( empty( $global_id ) ) {
                 return $term_id;
+            }
         } else {
             $max_global_id = $wpdb->get_var( "SELECT MAX(cat_ID) FROM $wpdb->sitecategories" );
-            $max_local_id = $wpdb->get_var( "SELECT MAX(term_id) FROM $wpdb->terms" );
+            $max_local_id  = $wpdb->get_var( "SELECT MAX(term_id) FROM $wpdb->terms" );
             $new_global_id = max( $max_global_id, $max_local_id ) + mt_rand( 100, 400 );
-            $wpdb->insert( $wpdb->sitecategories, array( 'cat_ID' => $new_global_id, 'cat_name' => $c->name, 'category_nicename' => $c->slug ) );
+            $wpdb->insert(
+                $wpdb->sitecategories, array(
+                    'cat_ID'            => $new_global_id,
+                    'cat_name'          => $c->name,
+                    'category_nicename' => $c->slug,
+                )
+            );
             $global_id = $wpdb->insert_id;
         }
@@ -1972 +2116 @@
 
     if ( $global_id != $term_id ) {
-        if ( get_option( 'default_category' ) == $term_id )
+        if ( get_option( 'default_category' ) == $term_id ) {
             update_option( 'default_category', $global_id );
-
-        $wpdb->update( $wpdb->terms, array('term_id' => $global_id), array('term_id' => $term_id) );
-        $wpdb->update( $wpdb->term_taxonomy, array('term_id' => $global_id), array('term_id' => $term_id) );
-        $wpdb->update( $wpdb->term_taxonomy, array('parent' => $global_id), array('parent' => $term_id) );
-
-        clean_term_cache($term_id);
-    }
-    if ( $recurse_start )
+        }
+
+        $wpdb->update( $wpdb->terms, array( 'term_id' => $global_id ), array( 'term_id' => $term_id ) );
+        $wpdb->update( $wpdb->term_taxonomy, array( 'term_id' => $global_id ), array( 'term_id' => $term_id ) );
+        $wpdb->update( $wpdb->term_taxonomy, array( 'parent' => $global_id ), array( 'parent' => $term_id ) );
+
+        clean_term_cache( $term_id );
+    }
+    if ( $recurse_start ) {
         $global_terms_recurse = null;
+    }
 
     return $global_id;
@@ -2011 +2157 @@
  */
 function upload_is_file_too_big( $upload ) {
-    if ( ! is_array( $upload ) || defined( 'WP_IMPORTING' ) || get_site_option( 'upload_space_check_disabled' ) )
+    if ( ! is_array( $upload ) || defined( 'WP_IMPORTING' ) || get_site_option( 'upload_space_check_disabled' ) ) {
         return $upload;
-
-    if ( strlen( $upload['bits'] )  > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) {
+    }
+
+    if ( strlen( $upload['bits'] ) > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) {
         return sprintf( __( 'This file is too big. Files must be less than %d KB in size.' ) . '<br />', get_site_option( 'fileupload_maxk', 1500 ) );
     }
@@ -2029 +2176 @@
     $id = mt_rand();
     echo "<input type='hidden' name='signup_form_id' value='{$id}' />";
-    wp_nonce_field('signup_form_' . $id, '_signup_form', false);
+    wp_nonce_field( 'signup_form_' . $id, '_signup_form', false );
 }
 
@@ -2041 +2188 @@
  */
 function signup_nonce_check( $result ) {
-    if ( !strpos( $_SERVER[ 'PHP_SELF' ], 'wp-signup.php' ) )
+    if ( ! strpos( $_SERVER['PHP_SELF'], 'wp-signup.php' ) ) {
         return $result;
-
-    if ( wp_create_nonce('signup_form_' . $_POST[ 'signup_form_id' ]) != $_POST['_signup_form'] )
+    }
+
+    if ( wp_create_nonce( 'signup_form_' . $_POST['signup_form_id'] ) != $_POST['_signup_form'] ) {
         wp_die( __( 'Please try again.' ) );
+    }
 
     return $result;
@@ -2066 +2215 @@
      */
     if ( is_main_site() && is_404() && defined( 'NOBLOGREDIRECT' ) && ( $destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ) ) ) {
-        if ( $destination == '%siteurl%' )
+        if ( $destination == '%siteurl%' ) {
             $destination = network_home_url();
+        }
         wp_redirect( $destination );
         exit();
@@ -2083 +2233 @@
  */
 function maybe_add_existing_user_to_blog() {
-    if ( false === strpos( $_SERVER[ 'REQUEST_URI' ], '/newbloguser/' ) )
+    if ( false === strpos( $_SERVER['REQUEST_URI'], '/newbloguser/' ) ) {
         return;
-
-    $parts = explode( '/', $_SERVER[ 'REQUEST_URI' ] );
-    $key = array_pop( $parts );
-
-    if ( $key == '' )
+    }
+
+    $parts = explode( '/', $_SERVER['REQUEST_URI'] );
+    $key   = array_pop( $parts );
+
+    if ( $key == '' ) {
         $key = array_pop( $parts );
+    }
 
     $details = get_option( 'new_user_' . $key );
-    if ( !empty( $details ) )
+    if ( ! empty( $details ) ) {
         delete_option( 'new_user_' . $key );
-
-    if ( empty( $details ) || is_wp_error( add_existing_user_to_blog( $details ) ) )
-        wp_die( sprintf(__('An error occurred adding you to this site. Back to the <a href="%s">homepage</a>.'), home_url() ) );
-
-    wp_die( sprintf( __( 'You have been added to this site. Please visit the <a href="%s">homepage</a> or <a href="%s">log in</a> using your username and password.' ), home_url(), admin_url() ), __( 'WordPress &rsaquo; Success' ), array( 'response' => 200 ) );
+    }
+
+    if ( empty( $details ) || is_wp_error( add_existing_user_to_blog( $details ) ) ) {
+        wp_die( sprintf( __( 'An error occurred adding you to this site. Back to the <a href="%s">homepage</a>.' ), home_url() ) );
+    }
+
+    wp_die( sprintf( __( 'You have been added to this site. Please visit the <a href="%1$s">homepage</a> or <a href="%2$s">log in</a> using your username and password.' ), home_url(), admin_url() ), __( 'WordPress &rsaquo; Success' ), array( 'response' => 200 ) );
 }
 
@@ -2113 +2267 @@
     if ( is_array( $details ) ) {
         $blog_id = get_current_blog_id();
-        $result = add_user_to_blog( $blog_id, $details[ 'user_id' ], $details[ 'role' ] );
+        $result  = add_user_to_blog( $blog_id, $details['user_id'], $details['role'] );
 
         /**
@@ -2144 +2298 @@
  */
 function add_new_user_to_blog( $user_id, $password, $meta ) {
-    if ( !empty( $meta[ 'add_to_blog' ] ) ) {
-        $blog_id = $meta[ 'add_to_blog' ];
-        $role = $meta[ 'new_role' ];
+    if ( ! empty( $meta['add_to_blog'] ) ) {
+        $blog_id = $meta['add_to_blog'];
+        $role    = $meta['new_role'];
         remove_user_from_blog( $user_id, get_network()->site_id ); // remove user from main blog.
 
@@ -2174 +2328 @@
  *
  * @param string|WP_User $user Optional. Defaults to current user. WP_User object,
- *                             or user login name as a string.
+ *                             or user login name as a string.
  * @return bool
  */
 function is_user_spammy( $user = null ) {
-    if ( ! ( $user instanceof WP_User ) ) {
+    if ( ! ( $user instanceof WP_User ) ) {
         if ( $user ) {
             $user = get_user_by( 'login', $user );
@@ -2211 +2365 @@
  */
 function users_can_register_signup_filter() {
-    $registration = get_site_option('registration');
+    $registration = get_site_option( 'registration' );
     return ( $registration == 'all' || $registration == 'user' );
 }
@@ -2224 +2378 @@
  */
 function welcome_user_msg_filter( $text ) {
-    if ( !$text ) {
+    if ( ! $text ) {
         remove_filter( 'site_option_welcome_user_email', 'welcome_user_msg_filter' );
 
         /* translators: Do not translate USERNAME, PASSWORD, LOGINLINK, SITE_NAME: those are placeholders. */
-        $text = __( 'Howdy USERNAME,
+        $text = __(
+            'Howdy USERNAME,
 
 Your new account is set up.
@@ -2239 +2394 @@
 Thanks!
 
---The Team @ SITE_NAME' );
+--The Team @ SITE_NAME'
+        );
         update_site_option( 'welcome_user_email', $text );
     }
@@ -2259 +2415 @@
 
     if ( '' != $force ) {
-        $old_forced = $forced_content;
+        $old_forced     = $forced_content;
         $forced_content = $force;
         return $old_forced;
@@ -2278 +2434 @@
  */
 function filter_SSL( $url ) {
-    if ( ! is_string( $url ) )
+    if ( ! is_string( $url ) ) {
         return get_bloginfo( 'url' ); // Return home blog url with proper scheme
-
-    if ( force_ssl_content() && is_ssl() )
+    }
+
+    if ( force_ssl_content() && is_ssl() ) {
         $url = set_url_scheme( $url, 'https' );
+    }
 
     return $url;
@@ -2293 +2451 @@
  */
 function wp_schedule_update_network_counts() {
-    if ( !is_main_site() )
+    if ( ! is_main_site() ) {
         return;
-
-    if ( ! wp_next_scheduled('update_network_counts') && ! wp_installing() )
-        wp_schedule_event(time(), 'twicedaily', 'update_network_counts');
+    }
+
+    if ( ! wp_next_scheduled( 'update_network_counts' ) && ! wp_installing() ) {
+        wp_schedule_event( time(), 'twicedaily', 'update_network_counts' );
+    }
 }
 
@@ -2337 +2497 @@
      * @param string $context       Context. Either 'users' or 'sites'.
      */
-    if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'sites' ) )
+    if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'sites' ) ) {
         return;
+    }
 
     wp_update_network_site_counts( $network_id );
@@ -2358 +2519 @@
 
     /** This filter is documented in wp-includes/ms-functions.php */
-    if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'users' ) )
+    if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'users' ) ) {
         return;
+    }
 
     wp_update_network_user_counts( $network_id );
@@ -2378 +2540 @@
     }
 
-    $count = get_sites( array(
-        'network_id' => $network_id,
-        'spam'       => 0,
-        'deleted'    => 0,
-        'archived'   => 0,
-        'count'      => true,
-    ) );
+    $count = get_sites(
+        array(
+            'network_id' => $network_id,
+            'spam'       => 0,
+            'deleted'    => 0,
+            'archived'   => 0,
+            'count'      => true,
+        )
+    );
 
     update_network_option( $network_id, 'blog_count', $count );
@@ -2440 +2604 @@
     $space_allowed = get_option( 'blog_upload_space' );
 
-    if ( ! is_numeric( $space_allowed ) )
+    if ( ! is_numeric( $space_allowed ) ) {
         $space_allowed = get_site_option( 'blog_upload_space' );
-
-    if ( ! is_numeric( $space_allowed ) )
+    }
+
+    if ( ! is_numeric( $space_allowed ) ) {
         $space_allowed = 100;
+    }
 
     /**
@@ -2469 +2635 @@
     }
     $space_allowed = $allowed * MB_IN_BYTES;
-    if ( get_site_option( 'upload_space_check_disabled' ) )
+    if ( get_site_option( 'upload_space_check_disabled' ) ) {
         return $space_allowed;
+    }
 
     $space_used = get_space_used() * MB_IN_BYTES;
 
-    if ( ( $space_allowed - $space_used ) <= 0 )
+    if ( ( $space_allowed - $space_used ) <= 0 ) {
         return 0;
+    }
 
     return $space_allowed - $space_used;
@@ -2487 +2655 @@
  */
 function is_upload_space_available() {
-    if ( get_site_option( 'upload_space_check_disabled' ) )
+    if ( get_site_option( 'upload_space_check_disabled' ) ) {
         return true;
+    }
 
     return (bool) get_upload_space_available();
@@ -2503 +2672 @@
 function upload_size_limit_filter( $size ) {
     $fileupload_maxk = KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 );
-    if ( get_site_option( 'upload_space_check_disabled' ) )
+    if ( get_site_option( 'upload_space_check_disabled' ) ) {
         return min( $size, $fileupload_maxk );
+    }
 
     return min( $size, $fileupload_maxk, get_upload_space_available() );
@@ -2558 +2728 @@
 function get_subdirectory_reserved_names() {
     $names = array(
-        'page', 'comments', 'blog', 'files', 'feed', 'wp-admin',
-        'wp-content', 'wp-includes', 'wp-json', 'embed'
+        'page',
+        'comments',
+        'blog',
+        'files',
+        'feed',
+        'wp-admin',
+        'wp-content',
+        'wp-includes',
+        'wp-json',
+        'embed',
     );
 
@@ -2589 +2767 @@
     }
 
-    $hash = md5( $value . time() . mt_rand() );
+    $hash            = md5( $value . time() . mt_rand() );
     $new_admin_email = array(
         'hash'     => $hash,
@@ -2599 +2777 @@
 
     /* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
-    $email_text = __( 'Howdy ###USERNAME###,
+    $email_text = __(
+        'Howdy ###USERNAME###,
 
 You recently requested to have the network admin email address on
@@ -2614 +2793 @@
 Regards,
 All at ###SITENAME###
-###SITEURL###' );
+###SITEURL###'
+    );
 
     /**
@@ -2639 +2819 @@
 
     $current_user = wp_get_current_user();
-    $content = str_replace( '###USERNAME###', $current_user->user_login, $content );
-    $content = str_replace( '###ADMIN_URL###', esc_url( network_admin_url( 'settings.php?network_admin_hash=' . $hash ) ), $content );
-    $content = str_replace( '###EMAIL###', $value, $content );
-    $content = str_replace( '###SITENAME###', wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ), $content );
-    $content = str_replace( '###SITEURL###', network_home_url(), $content );
+    $content      = str_replace( '###USERNAME###', $current_user->user_login, $content );
+    $content      = str_replace( '###ADMIN_URL###', esc_url( network_admin_url( 'settings.php?network_admin_hash=' . $hash ) ), $content );
+    $content      = str_replace( '###EMAIL###', $value, $content );
+    $content      = str_replace( '###SITENAME###', wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ), $content );
+    $content      = str_replace( '###SITEURL###', network_home_url(), $content );
 
     wp_mail( $value, sprintf( __( '[%s] New Network Admin Email Address' ), wp_specialchars_decode( get_site_option( 'site_name' ), ENT_QUOTES ) ), $content );
@@ -2680 +2860 @@
 
     /* translators: Do not translate OLD_EMAIL, NEW_EMAIL, SITENAME, SITEURL: those are placeholders. */
-    $email_change_text = __( 'Hi,
+    $email_change_text = __(
+        'Hi,
 
 This notice confirms that the network admin email address was changed on ###SITENAME###.
@@ -2690 +2871 @@
 Regards,
 All at ###SITENAME###
-###SITEURL###' );
+###SITEURL###'
+    );
 
     $email_change_email = array(
@@ -2726 +2908 @@
     $email_change_email = apply_filters( 'network_admin_email_change_email', $email_change_email, $old_email, $new_email, $network_id );
 
-    $email_change_email['message'] = str_replace( '###OLD_EMAIL###', $old_email,    $email_change_email['message'] );
-    $email_change_email['message'] = str_replace( '###NEW_EMAIL###', $new_email,    $email_change_email['message'] );
-    $email_change_email['message'] = str_replace( '###SITENAME###',  $network_name, $email_change_email['message'] );
-    $email_change_email['message'] = str_replace( '###SITEURL###',   home_url(),    $email_change_email['message'] );
-
-    wp_mail( $email_change_email['to'], sprintf(
-        $email_change_email['subject'],
-        $network_name
-    ), $email_change_email['message'], $email_change_email['headers'] );
-}
+    $email_change_email['message'] = str_replace( '###OLD_EMAIL###', $old_email, $email_change_email['message'] );
+    $email_change_email['message'] = str_replace( '###NEW_EMAIL###', $new_email, $email_change_email['message'] );
+    $email_change_email['message'] = str_replace( '###SITENAME###', $network_name, $email_change_email['message'] );
+    $email_change_email['message'] = str_replace( '###SITEURL###', home_url(), $email_change_email['message'] );
+
+    wp_mail(
+        $email_change_email['to'], sprintf(
+            $email_change_email['subject'],
+            $network_name
+        ), $email_change_email['message'], $email_change_email['headers']
+    );
+}