W3cubDocs

/WordPress

is_customize_preview()

Whether the site is being previewed in the Customizer.

Description

Return

(bool) True if the site is being previewed in the Customizer, false otherwise.

Source

File: wp-includes/theme.php

function is_customize_preview() {
	global $wp_customize;

	return ( $wp_customize instanceof WP_Customize_Manager ) && $wp_customize->is_preview();
}

Changelog

Version Description
4.0.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/is_customize_preview