wp-includes/class-wp-customize-manager.php:4657Gets URLs allowed to be previewed.
arrayOne hook fires while WP_Customize_Manager::get_allowed_urls() runs, in this order:
Filters the list of URLs allowed to be clicked and followed in the Customizer preview.
public function get_allowed_urls() { $allowed_urls = array( home_url( '/' ) ); if ( is_ssl() && ! $this->is_cross_domain() ) { $allowed_urls[] = home_url( '/', 'https' ); } /** * Filters the list of URLs allowed to be clicked and followed in the Customizer preview. * * @since 3.4.0 * * @param string[] $allowed_urls An array of allowed URLs. */ $allowed_urls = array_unique( apply_filters( 'customize_allowed_urls', $allowed_urls ) ); return $allowed_urls; }Introduced in 4.7.0. 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-manager.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.