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Question How can I customize Composr without modifying the core files?
Answer Composr offers a robust override system. Instead of altering the original files, create a parallel structure within _custom directories. For example, to modify site/pages/modules/polls.php, place your customized version in site/pages/modules_custom/polls.php.

The tutorials outline additional information on how to utilise overrides.
Question What are the main components of the Composr framework?
Answer Composr consists of:
  • Modules: PHP files that provide related screens, forming the building blocks of addons.
  • Comcode: Text files containing content written in a simplified markup language.
  • HTML: Files containing standard HTML for web pages.
  • Sources: PHP code files for the core API and functionality.
  • Hooks: PHP files enabling addons to interact and extend each other's functionality.
  • Blocks/Miniblocks: Reusable components for displaying dynamic content within pages.
  • Themes: Folders containing images, CSS, and templates to define the look and feel.
  • Language files: Files holding text strings for multilingual support.
Question How can I embed third-party widgets into my Composr pages?
Answer Composr supports embedding widgets from various websites, like Google Maps, Vimeo, and YouTube, by simply pasting the URL. For manually embedding widget code, you can paste it into the HTML source view of the WYSIWYG editor or within Comcode html tags if not using the WYSIWYG editor.
Question What is the difference between blocks and boxes in Composr?
Answer Boxes are visual elements that provide a container for content, while blocks are functional units that generate and display dynamic content. Although blocks often appear within boxes in the default templates, they are not inherently tied to any visual representation.
Question Can I customize the appearance of blocks?
Answer Yes, you can style blocks by editing the associated templates and CSS. Templates are typically named after the block they represent. For example, the main_news block uses the BLOCK_MAIN_NEWS.tpl template.
Question How do I create custom filter forms for my content?
Answer The main_content_filtering block can help you generate filter forms automatically. You can use it to create a default form and then customize the generated Filtercode string to refine the filtering options. Once satisfied, you can either continue using the block or extract the HTML and modify it further.
Question Where can I use Filtercode and Selectcode in Composr?
Answer Filtercode is supported in various blocks, such as main_multi_content, main_gallery_embed, and main_cc_embed. It's also actively used in modules like catalogues, downloads, galleries, members, and news.

Selectcode is supported in blocks and Comcode tags that explicitly mention it, including the main_multi_content block and the if_in_group Comcode tag.
Question What is the difference between Filtercode and Selectcode?
Answer Filtercode is used for querying content based on properties and values, while Selectcode is used for directly specifying a list of IDs or categories to include or exclude. Filtercode offers more complex filtering options, while Selectcode is more straightforward for simple selections.
Question How can I filter content in Composr?
Answer Composr provides two filtering systems: Filtercode and Selectcode.
  • Filtercode is used for selecting content based on defined filters, such as field values, ratings, or keywords. It utilizes a syntax of comparisons, separated by commas, where each comparison specifies a field and a matching condition.
  • Selectcode is a simpler syntax for specifying a list of IDs or categories to include or exclude from the results. It uses a comma-separated list of match-specifier tokens, such as individual IDs, ranges, or wildcard characters.
Question What are blocks in Composr and how can I use them?
Answer Blocks are dynamic elements that can be inserted into Comcode pages to add interactive and data-bound functionality to your website. They are essentially reusable components that automatically generate content, such as recent forum posts or information about the logged-in user.

You can add blocks to your pages using the block construction assistant, which allows you to select from a list of available blocks, set their parameters, preview them, and generate the necessary Comcode.

Top 10 Entries

Title Installation
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Description

Quick installer: Our self-extractor allows faster uploads and will automatically set permissions.

Wizard-based installation

Auto-scans for compatibility problems: Be informed of problems before installing

Get your site up and running in just a few minutes

Keep your site closed to regular visitors until you're happy to open it

Configures server: Automatically generates an htaccess file for you (for Apache).

Auto-detection of forum settings for easy integration

Install test content

Title Web Pages
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Description

Add virtually unlimited pages to your site

WYSIWYG editor (powered by CKEditor)

Convenient edit links: Staff see “edit this” links at the bottom of every page.

PHP support: Upload your PHP scripts and run them inside Composr (may require adjustments to the script code).

Hierarchical page structure: Supports parent and child pages

Periodic content reviews: Helping you ensure ongoing accuracy of your content.

Add Comcode pages (the default) or static HTML pages

Supports revisions and revision control systems (such as git); add new pages as files, and Composr will automatically register them in its system.

Title Downloads
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Description

Clear organisation: Uses a tree structure for unlimited categorisation.

Anti-leech protection: download links contain a session ID

Community-centred: Allow users to comment upon and rate downloads

Many ways to add new files: Upload files. Link-to existing files. Copy existing files using a live URL. Batch import links from existing file stores.

Author support: Assign your downloads to authors, so users can find other downloads by the same author.

Set licences: Make users agree to a licence before downloading.

Images: Show images along with your downloads (e.g. screen-shots) (this implicitly uses galleries).

Basic file versioning support

Control monthly bandwidth use site-wide

Title Wiki+
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Description

Think “structured wikis”.

Create an encyclopaedic database for your website

Use a tree-structure or traditional cross-linking

Supports revisions: Track changes

Display the tree structure of your entire Wiki+

Allow users to jump in at random pages

Make your pages either wiki-style or topic-style

Allow members to contribute to Wiki+ pages by adding Wiki+ posts

Title Quizzes and Surveys
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Description

Run a competition: Choose winners randomly from those who passed the quiz.

Surveys: Gather data and find trends.

Tests: Test members' knowledge on a variety of topics.

Cheat prevention: Settings to prevent cheating, such as time limits, question / answer shuffling, and re-testing rules.

Integration with points: Charge points to enter a competition, or award points for winning.

Title News and Blogs
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Description

Member blogs: Allow members to have their own blogs on their profile

RSS and Atom support: Export and import feeds.

Trackback support: Send and receive trackbacks.

Scheduled publishing

Ping support and RSS Cloud support

Multiple news categories and filtering

Multiple ways to integrate news into your website

Import from RSS feeds

Supports geotargeting

Members can rate and comment on news articles and blog posts

Send out a news article as a newsletter

Title Calendar
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Description

Day/week/month/year views

Advanced “recurring event” settings

Event subscriptions: Receive reminders and notifications by event or event type

Warnings about conflicting events

Microformats support

Integrate a calendar month view, or an upcoming events view, onto your design

Supports categories: Have multiple event types

Multiple time zones: Have different events in different time zones with configurable conversion settings.

Priority flagging: Choose between 5 priorities

Programmers can even use the calendar to schedule custom tasks (Commandr) to be run

RSS and Atom support: Export support, but also support for overlaying news feeds onto the calendar.

Supports geotargeting

Feedback: Allow members to comment and rate events. Segregate feedback on recurring events by date.

Title Galleries
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Description

Multimedia: Supports images, videos, audio, and more.

Personal galleries: Allow your members to create their own galleries which show up on their profile.

Support for embedding YouTube videos: Save on bandwidth.

Auto-detection of video length and resolution (most file formats)

Full tree-structure support: Have galleries within galleries within galleries.

Multiple display modes

View entries as a slideshow

Automatic thumbnail generation

Mass import: Also supports importing metadata

Optional watermarking: To guard against thieving swines ;) .

Geotargeting

Adjustments: Automatic size and orientation adjustments according to metadata.

Title Catalogues
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Description

Think “databases on my website”.

Flexible data control: Set up multiple catalogues, each with its own set of fields. There are many types of fields, such as short text fields, upload fields, and date fields.

Multiple display modes: Display the contents of categories using tables, boxes, or lists.

Powerful structure: Each catalogue contains categories which contain entries. Catalogues can have a tree structure of categories and/or work from an index.

Configurable searching: Choose which fields are shown on categories, and which can be used to perform searches (template searches).

Compliance with data protection legislation: Specify which fields may contain sensitive data. These fields will be anonymised as appropriate when members download or purge their data.

Entirely customisable: Full support for customising catalogues, categories, and entries, exactly as you want them- field by field. You can even make custom page templates per-catalogue.

Classified ads: Entries can automatically expire and get archived. You can also send out view reports.

Community interaction: You can allow users to comment upon and rate entries.

Import data from CSV files

Periodic content reviews: Helping you ensure ongoing accuracy of your data.

Name Patrick Schmalstig
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Title / Role Lead Developer
Contributions / Notes

Joined Chris Graham behind the scenes in the development of Composr CMS in 2016.

Took on the lead developer role in 2023 when Chris Graham stepped back to attend to his new lifestyle changes.

Spearheaded the development of Composr CMS v11 and the new website, Composr.app.

Formed the company PDStig, LLC to take on professional support and development for Composr CMS users especially after the discontinuation of ocProducts, Ltd.

Links

PDStig, LLC