Fires when the WP_Customize_Setting::preview() method is called for settings not handled as theme_mods or options.
$settingWP_Customize_Settingwp-includes/class-wp-customize-setting.php:417WP_Customize_Setting::preview() * The dynamic portion of the hook name, `$this->type`, refers to the setting type. * * @since 4.1.0 * * @param WP_Customize_Setting $setting WP_Customize_Setting instance. */ do_action( "customize_preview_{$this->type}", $this ); } $this->is_previewed = true; return true; }Introduced in 4.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.