wp-includes/class-wp-customize-control.php:466Renders the data link attribute for the control's input element.
$setting_keystringoptional'default' public function link( $setting_key = 'default' ) { echo $this->get_link( $setting_key ); }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-includes/class-wp-customize-control.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.