Fires once the Customizer preview has initialized and JavaScript settings have been printed.
$managerWP_Customize_Managerwp-includes/class-wp-customize-manager.php:1960WP_Customize_Manager::customize_preview_init() * settings have been printed. * * @since 3.4.0 * * @param WP_Customize_Manager $manager WP_Customize_Manager instance. */ do_action( 'customize_preview_init', $this ); } /** * Filters the X-Frame-Options and Content-Security-Policy headers to ensure frontend can load in customizer. * * @since 4.7.0Introduced in 3.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.