WordPress.org

Description

This Conditional Tag checks if the site is embedded in the Customizer preview iframe. This is a boolean function that will return true if the site is previewed in the Customizer and false if it's not.

Usage

<?php is_customize_preview(); ?>

Parameters

This tag does not accept any parameters.

Return Values

(boolean) 

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

Examples

if ( is_customize_preview() ) {
    // Output a demo content
}

Notes

Change Log

Since: 4.0.0

Source File

is_customize_preview() is located in wp-includes/theme.php.

Related

• Article: Introduction to WordPress conditional functions
• Function: comments_open()
• Function: is_404()
• Function: is_admin()
• Function: is_admin_bar_showing()
• Function: is_archive()
• Function: is_attachment()
• Function: is_author()
• Function: is_category()
• Function: is_comments_popup()
• Function: is_date()
• Function: is_day()
• Function: is_feed()
• Function: is_front_page()
• Function: is_home()
• Function: is_local_attachment()
• Function: is_main_query
• Function: is_multi_author
• Function: is_month()
• Function: is_new_day()
• Function: is_page()
• Function: is_page_template()
• Function: is_paged()
• Function: is_plugin_active()
• Function: is_plugin_active_for_network()
• Function: is_plugin_inactive()
• Function: is_plugin_page()
• Function: is_post_type_archive()
• Function: is_preview()
• Function: is_search()
• Function: is_single()
• Function: is_singular()
• Function: is_sticky()
• Function: is_tag()
• Function: is_tax()
• Function: is_taxonomy_hierarchical()
• Function: is_time()
• Function: is_trackback()
• Function: is_year()
• Function: in_category()
• Function: in_the_loop()
• Function: is_active_sidebar()
• Function: is_active_widget()
• Function: is_blog_installed()
• Function: is_rtl()
• Function: is_dynamic_sidebar()
• Function: is_user_logged_in()
• Function: has_excerpt()
• Function: has_post_thumbnail()
• Function: has_tag()
• Function: pings_open()
• Function: email_exists()
• Function: post_type_exists()
• Function: taxonomy_exists()
• Function: term_exists()
• Function: username_exists()
• Function: wp_attachment_is_image()
• Function: wp_script_is()