wp-admin/includes/ajax-actions.php:438Handles dashboard widgets via AJAX.
function wp_ajax_dashboard_widgets() { require_once ABSPATH . 'wp-admin/includes/dashboard.php'; $pagenow = $_GET['pagenow']; if ( 'dashboard-user' === $pagenow || 'dashboard-network' === $pagenow || 'dashboard' === $pagenow ) { set_current_screen( $pagenow ); } switch ( $_GET['widget'] ) { case 'dashboard_primary': wp_dashboard_primary(); break; } wp_die();}Introduced in 3.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/ajax-actions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.