diff --git a/wp-admin/includes/plugin-install.php b/wp-admin/includes/plugin-install.php index 05fee27fa0..b633a660c2 100644 --- a/wp-admin/includes/plugin-install.php +++ b/wp-admin/includes/plugin-install.php @@ -425,8 +425,23 @@ function install_plugin_information() { break; } } - if ( 'install' == $type && file_exists( WP_PLUGIN_DIR . '/' . $api->slug ) ) //TODO: Make more.. searchable? - $type = 'latest_installed'; + if ( 'install' == $type && is_dir( WP_PLUGIN_DIR . '/' . $api->slug ) ) { + $installed_plugin = get_plugins('/' . $api->slug); + if ( ! empty($installed_plugin) ) { + $key = array_shift( $key = array_keys($installed_plugin) ); //Use the first plugin regardless of the name, Could have issues for multiple-plugins in one directory if they share different version numbers + if ( version_compare($api->version, $installed_plugin[ $key ]['Version'], '>') ){ + $type = 'latest_installed'; + } elseif ( version_compare($api->version, $installed_plugin[ $key ]['Version'], '<') ) { + $type = 'newer_installed'; + $newer_version = $installed_plugin[ $key ]['Version']; + } else { + //If the above update check failed, Then that probably means that the update checker has out-of-date information, force a refresh + delete_option('update_plugins'); + $update_file = $api->slug . '/' . $key; //This code branch only deals with a plugin which is in a folder the same name as its slug, Doesnt support plugins which have 'non-standard' names + $type = 'update_available'; + } + } + } switch ( $type ) : default: @@ -440,6 +455,11 @@ function install_plugin_information() { ?>