wp-admin/includes/ajax-actions.php:1858Handles updating whether to display the welcome panel via AJAX.
function wp_ajax_update_welcome_panel() { check_ajax_referer( 'welcome-panel-nonce', 'welcomepanelnonce' ); if ( ! current_user_can( 'edit_theme_options' ) ) { wp_die( -1 ); } update_user_meta( get_current_user_id(), 'show_welcome_panel', empty( $_POST['visible'] ) ? 0 : 1 ); wp_die( 1 );}Introduced in 3.1.0. 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.