Presence API gives WordPress a system-wide awareness layer. It tracks which users are logged in, which admin screen they are on, and which posts they are editing.<\/p>\n\n
Data flows through the Heartbeat API and is stored in a dedicated Test in WordPress Playground<\/a> without installing anything.<\/p>\n\n PHP functions, REST endpoints, WP-CLI commands, filters, and room conventions are documented in the GitHub repository<\/a>.<\/p>\n\n An experimental feature plugin sponsored by the WordPress Core team, exploring what system-wide presence could look like for a future WordPress release. Follow development on make.wordpress.org\/core<\/a> with the tag Or install manually:<\/p>\n\n Or try it in WordPress Playground<\/a> without installing anything.<\/p>\n\n\nwp_presence<\/code> table with a 60-second TTL. No writes to wp_postmeta<\/code> means no post-cache invalidation on every heartbeat.<\/p>\n\nFeatures<\/h4>\n\n
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For Developers<\/h4>\n\n
Background<\/h4>\n\n
#presence-api<\/code>.<\/p>\n\n\n\n
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presence-api<\/code> folder to \/wp-content\/plugins\/<\/code>.<\/li>\n0.1.24<\/h4>\n\n
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wp_presence<\/code> table with UNIQUE KEY (room, client_id)<\/code> for atomic upserts via INSERT ... ON DUPLICATE KEY UPDATE<\/code>.<\/li>\nwp_get_presence<\/code>, wp_set_presence<\/code>, wp_remove_presence<\/code>, wp_remove_user_presence<\/code>, wp_can_access_presence_room<\/code>, wp_presence_post_room<\/code>.<\/li>\nGET\/POST\/DELETE \/wp-presence\/v1\/presence<\/code>, GET \/wp-presence\/v1\/presence\/rooms<\/code> with SQL pagination and Cache-Control: no-store<\/code>.<\/li>\nwp-refresh-post-lock<\/code> into presence entries.<\/li>\nedit_posts<\/code>.<\/li>\nset<\/code>, list<\/code>, summary<\/code>, cleanup<\/code>.<\/li>\nwp_presence_default_ttl<\/code> filter and WP_PRESENCE_DEFAULT_TTL<\/code> constant.<\/li>\nuninstall.php<\/code>.<\/li>\n.pot<\/code> file.<\/li>\naria-live<\/code>, keyboard navigation.<\/li>\n