Changeset 10992 for trunk/wp-includes/pluggable.php

Timestamp:

04/17/2009 09:25:11 PM (17 years ago)

Author:

ryan

Message:

Cache user lookups made by nicename. Add get_user_by(). fixes #4170

File:

• trunk/wp-includes/pluggable.php (modified) (3 diffs)

trunk/wp-includes/pluggable.php

@@ -140 +140 @@
 endif;
 
+/**
+ * Retrieve user info by a given field
+ *
+ * @since 2.8.0
+ *
+ * @param string $field The field to retrieve the user with.  id | slug | email | login
+ * @param int|string $value A value for $field.  A user ID, slug, email address, or login name.
+ * @return bool|object False on failure, User DB row object
+ */
+function get_user_by($field, $value) {
+        global $wpdb;
+
+        switch ($field) {
+                case 'id':
+                        return get_userdata($value);
+                        break;
+                case 'slug':
+                        $user_id = wp_cache_get($value, 'userslugs');
+                        $field = 'user_nicename';
+                        break;
+                case 'email':
+                        $user_id = wp_cache_get($value, 'useremail');
+                        $field = 'user_email';
+                        break;
+                case 'login':
+                        $value = sanitize_user( $value );
+                        $user_id = wp_cache_get($value, 'userlogins');
+                        $field = 'user_login';
+                        break;
+                default:
+                        return false;
+        }
+
+         if ( false !== $user_id )
+                return get_userdata($user_id);
+
+        if ( !$user = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->users WHERE $field = %s", $value) ) )
+                return false;
+
+        _fill_user($user);
+
+        return $user;
+}
+
 if ( !function_exists('get_userdatabylogin') ) :
 /**
@@ -150 +194 @@
  */
 function get_userdatabylogin($user_login) {
-        global $wpdb;
-        $user_login = sanitize_user( $user_login );
-
-        if ( empty( $user_login ) )
-                return false;
-
-        $user_id = wp_cache_get($user_login, 'userlogins');
-
-        $user = false;
-        if ( false !== $user_id )
-                $user = wp_cache_get($user_id, 'users');
-
-        if ( false !== $user )
-                return $user;
-
-        if ( !$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE user_login = %s", $user_login)) )
-                return false;
-
-        _fill_user($user);
-
-        return $user;
+        return get_user_by('login', $user_login);
 }
 endif;
@@ -184 +208 @@
  */
 function get_user_by_email($email) {
-        global $wpdb;
-
-        $user_id = wp_cache_get($email, 'useremail');
-
-        $user = false;
-        if ( false !== $user_id )
-                $user = wp_cache_get($user_id, 'users');
-
-        if ( false !== $user )
-                return $user;
-
-        if ( !$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE user_email = %s", $email)) )
-                return false;
-
-        _fill_user($user);
-
-        return $user;
+        return get_user_by('email', $email);
 }
 endif;