wp-includes/user.php:5058Returns a confirmation key for a user action and stores the hashed version for future comparison.
$request_idintstringfunction wp_generate_user_request_key( $request_id ) { // Generate something random for a confirmation key. $key = wp_generate_password( 20, false ); // Save the key, hashed. wp_update_post( array( 'ID' => $request_id, 'post_status' => 'request-pending', 'post_password' => wp_fast_hash( $key ), ) ); return $key;}Introduced in 4.9.6. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/user.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.