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Exponential Site Core

General description

Exponential Site Core (extension name: expsite_core) is a set of site helper classes for Exponential CMS (eZ Publish Legacy), ported from selected netgen/site-bundle helper classes and reimplemented on the native kernel APIs (eZContentObjectTreeNode, eZMail, eZTemplate). It provides the following capabilities:

• Breadcrumb path building - Build a ready-to-render breadcrumb path array for any location ID, with class exclusion, current-location and absolute-URL options.
• Content-driven redirects - Resolve editorial internal_redirect / external_redirect fields on content objects into redirect URLs, so editors can control redirects without developer involvement.
• Templated mail sending - Render a design: template with parameters and send the result as HTML mail through the kernel mail layer, with flexible receiver formats and sensible sender defaults.

The helpers mirror the behaviour of the netgen/site-bundle MailHelper, PathHelper and RedirectHelper services, with no Symfony dependencies - they are plain PHP classes usable from any module, template operator, cronjob or block handler.

Features

Exponential Site Core provides the following features in detail:

Key classes

Breadcrumbs

• expSiteBundlePathHelper::getPath( $locationId, $options ) returns an array of text / url / location items, honouring use_all_content_types, show_current_location and absolute_url options.
• If a breadcrumb_title field exists and is filled, it is used as the item text instead of the node name.
• use_all_content_types - false (default) skips classes listed in expsite_core.ini [PathHelper] ExcludedContentTypes[]; true keeps them in the path but renders them without a URL.
• show_current_location - true includes the requested location itself as the last item (always without a URL).
• absolute_url - prefixes each URL with eZSys::serverURL() and eZSys::indexDir().
• The path starts at content.ini [NodeSettings] RootNode; ancestors above that root are omitted.

Redirects

• expSiteBundleRedirectHelper::checkRedirect( $node ) returns a redirect URL string or false.
• internal_redirect expects an object relation field; it resolves to the related object's main node URL alias (returns false if it points to the current node).
• external_redirect expects an ezurl field (other datatypes fall back to their string value). Absolute http(s):// URLs are returned as-is; relative values are prefixed with the content root's URL alias.

Mail

• expSiteBundleMailHelper::sendMail( $receivers, $subject, $template, $parameters, $sender ) renders a design: template with the given parameters and sends it as HTML mail.
• Receivers can be a string, an indexed array, or an associative email => name array.
• When $sender is omitted, the default sender is read from site.ini [MailSettings] EmailSender (falling back to AdminEmail), with the display name from EmailSenderName.

Configuration

Settings live in settings/expsite_core.ini.append.php:

settings/design.ini.append.php registers expsite_core as a design extension. The path helper reads the breadcrumb root from content.ini [NodeSettings] RootNode.

Version

• The current version of Exponential Site Core is 1.0.0
• Last Major update: July 30, 2026

Copyright

• Exponential Site Core is copyright 1998 - 2026 7x
• See: LICENSE.md for more information on the terms of the copyright and license

License

Exponential Site Core is licensed under the GNU General Public License.

The complete license agreement is included in the LICENSE.md file.

Exponential Site Core is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License or at your option a later version.

Exponential Site Core is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

The GNU GPL gives you the right to use, modify and redistribute Exponential Site Core under certain conditions. The GNU GPL license is distributed with the software, see the file LICENSE.md.

It is also available at https://www.gnu.org/licenses/gpl.txt

You should have received a copy of the GNU General Public License along with Exponential Site Core in LICENSE.md. If not, see https://www.gnu.org/licenses/.

Using Exponential Site Core under the terms of the GNU GPL is free (as in freedom).

For more information or questions please contact [email protected]

Requirements

The following requirements exists for using Exponential Site Core extension:

Exponential CMS / eZ Publish Legacy version

• Make sure you use Exponential 6 (eZ Publish Legacy) or higher.

PHP version

• Make sure you have PHP 8.1 or higher.

Other extensions

• No other extensions are required; the helpers use only kernel classes.

Installation

Installation is the standard legacy extension procedure: place the extension in extension/expsite_core, activate it via [ExtensionSettings] ActiveExtensions[] (or ActiveAccessExtensions[] for a single siteaccess), regenerate the extension autoloads and clear all caches. Optionally exclude content classes from breadcrumbs via [PathHelper] ExcludedContentTypes[].

See the complete step-by-step instructions in INSTALL.md.

Usage

All three helpers are plain classes instantiated with new - no service container required.

Send a templated HTML mail:

Build a breadcrumb path:

Check for an editorial redirect (typical placement is early in a content/view override or a custom module, before rendering):

See doc/USAGE.md for the full verified examples and the customization guide covering all three layers: the settings layer (the INI cascade for expsite_core.ini overrides and the related kernel settings), the template layer (mail templates resolve through the normal design cascade; restyle by shipping the template path you pass to sendMail() in your own design extension) and the PHP layer (all helpers expose protected hook methods - createSenderAddress(), addReceivers(), renderTemplate(), excludedContentTypes(), getUrlFromAttribute(), isAbsoluteUrl() - intended for subclassing instead of editing the extension).

Documentation

Troubleshooting

Read the FAQ

• Some problems are more common than others. The most common ones are listed in the doc/FAQ.md.

Use our support systems

• If you have any questions not handled by this document or the FAQ you can reach us through se7enx.com
• If you find a bug or defect, please report it to the Exponential Site Core: Issue Tracker