Description
Heat Map Graph lets administrators build data heat maps backed by SQL SELECT queries on WordPress tables. Configure:
- Query: a single SELECT statement targeting WP tables
- Field mapping: row, column, and value fields produced by the query
- Color range: hex colors for min and max
- Status: enable/disable
Use the shortcode on pages/posts:
[heat_map_graph id="123"]
Security features:
– Validates SQL is a single SELECT against WP tables only
– Blocks DML/DDL keywords
– No multiple statements
– Admin-only UI with nonces and strict sanitization
On activation, two sample heat maps are created:
– Posts per Day per Category (Last 30 Days)
– Number of Post Tags per Category
Installation
- Upload the plugin folder
heat-map-graphto/wp-content/plugins/ - Activate the plugin
- Under Heat Map Graph in the admin menu, create a heat map or use samples
- Place the shortcode
[heat_map_graph id="<ID>"]where you want the heat map
FAQ
-
Which tables can I query?
-
Only WordPress core tables, prefixed by your site’s
$wpdb->prefix. -
Can I pass parameters?
-
Use static queries or views; dynamic user input is not supported for security.
Reviews
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Contributors & Developers
“Heat Map Graph” is open source software. The following people have contributed to this plugin.
ContributorsTranslate “Heat Map Graph” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.0.0
- Initial release


