Hao Nguyen

Init Chat Engine is a clean and minimal frontend chatbox plugin, designed for homepage or site-wide communication with comprehensive administrative controls.
This plugin is the core user system behind the <a href="https://en.inithtml.com/init-plugin-suite-minimalist-powerful-and-free-wordpress-plugins/" rel="nofollow ugc">Init Plugin Suite</a> – optimized for frontend-first interaction, extensibility, and real-time gamification.
GitHub repository: <a href="https://github.com/brokensmile2103/init-chat-engine" rel="nofollow ugc">https://github.com/brokensmile2103/init-chat-engine</a>
Key Features:
Frontend Experience: 
– Built with 100% REST API and Vanilla JS 
– No jQuery, no bloat – blazing fast 
– Fully embeddable via <code>[init_chatbox]</code> shortcode 
– Guest messaging support (optional) 
– Smart polling system (adaptive 3.5–10s based on activity) 
– Browser notifications when new messages arrive 
– Scroll-up to load history, scroll-down to auto-scroll 
– Optimistic sending & “new message” jump button 
– Clean UI with customizable themes 
– Template override supported (<code>chatbox.php</code>)
Administrative Control: 
– Complete Settings Panel – Basic, Security, and Advanced configurations 
– Message Management – Search, view, delete messages with pagination 
– User Moderation – Ban/unban users by IP or user ID with expiration 
– Rate Limiting – Prevent spam with configurable message limits 
– Word Filtering – Block messages containing prohibited words 
– Statistics Dashboard – View chat activity, user engagement, and trends 
– Cleanup Tools – Automatic and manual cleanup of old messages 
– Custom CSS Support – Full styling customization options
Security & Moderation: 
– IP-based and user-based banning system 
– Configurable rate limiting (messages per minute) 
– Word filtering with custom blocked word lists 
– Message moderation queue (optional) 
– Automatic cleanup of old messages and expired bans 
– Admin override capabilities
Multilingual Ready: 
– Translation-ready with full <code>.pot</code> file included 
– Vietnamese translation included 
– Easy to translate to any language
Perfect for community-based sites, forums, fanpages, manga readers, SaaS dashboards, customer support, or any interactive chat widget.
<h3>Shortcode Attributes</h3>
Shortcode <code>[init_chatbox]</code> supports the following attributes:
<ul>
<li><code>height</code> – Set chat height (e.g., <code>height="400px"</code>)</li>
<li><code>width</code> – Set chat width (e.g., <code>width="100%"</code>)</li>
<li><code>theme</code> – Apply custom theme (e.g., <code>theme="dark"</code>)</li>
<li><code>show_avatars</code> – Override avatar setting (<code>true</code>/<code>false</code>)</li>
<li><code>show_timestamps</code> – Override timestamp setting (<code>true</code>/<code>false</code>)</li>
<li><code>title</code> – Add custom chat title</li>
<li><code>class</code> – Add custom CSS classes</li>
<li><code>id</code> – Set custom container ID</li>
</ul>
Example: <code>[init_chatbox height="500px" title="Community Chat" theme="modern"]</code>
<h3>Filters for Developers</h3>
This plugin provides filters and actions to allow developers to extend word filtering, message processing, and chat behavior without modifying core files.
<code>init_plugin_suite_chat_engine_word_filter_strategy</code> 
Modify word filtering strategy (<code>substring</code>, <code>word</code>, <code>regex</code>). 
Applies to: Message validation 
Params: <code>string $strategy</code>, <code>array $settings</code>, <code>string $message</code>
<code>init_plugin_suite_chat_engine_blocked_words</code> 
Modify the blocked-words list before validation. 
Applies to: Message validation 
Params: <code>array $blocked_words</code>, <code>array $settings</code>, <code>string $message</code>
<code>init_plugin_suite_chat_engine_bypass_filter</code> 
Bypass filtering under custom conditions (VIP, internal users, etc.). 
Applies to: Message validation 
Params: <code>bool $bypass</code>, <code>string $message</code>, <code>WP_User|null $user</code>, <code>array $settings</code>
<code>init_plugin_suite_chat_engine_word_block_hit</code> (action) 
Triggered when a word filter rule blocks a message. 
Applies to: Message validation 
Params: <code>string $blocked_word</code>, <code>string $message</code>, <code>string $strategy</code>
<code>init_plugin_suite_chat_engine_enrich_message_row</code> 
Extend chat message data (add flags, metadata, user info, etc.). 
Applies to: Backend DB → JSON output 
Params: <code>array $message_row</code>, <code>WP_User|null $user</code>
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. 
You are free to use, modify, and distribute it under the same license.

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