wp-admin/includes/class-custom-image-header.php:1110Displays last step of custom header image page.
public function finished() { $this->updated = true; $this->step_1(); }Introduced in 2.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-custom-image-header.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.