Using WordPress ‘is_comments_popup()’ PHP function

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The is_comments_popup WordPress PHP function determines whether the current URL is within the comments popup window.

Usage

if (is_comments_popup()) {
    // Your custom code here
}

Parameters

  • None

More information

See WordPress Developer Resources: is_comments_popup

Examples

Show a message in the comments popup window

Display a custom message when the current URL is within the comments popup window.

if (is_comments_popup()) {
    echo '**Welcome to the comments popup!**';
}

Load a custom stylesheet for the comments popup window

Enqueue a custom CSS file only when the current URL is within the comments popup window.

function load_popup_stylesheet() {
    if (is_comments_popup()) {
        wp_enqueue_style('comments-popup', get_template_directory_uri() . '/css/comments-popup.css');
    }
}
add_action('wp_enqueue_scripts', 'load_popup_stylesheet');

Disable the admin bar in the comments popup window

Remove the admin bar when the current URL is within the comments popup window.

function remove_admin_bar() {
    if (is_comments_popup()) {
        show_admin_bar(false);
    }
}
add_action('init', 'remove_admin_bar');

Display a custom navigation menu in the comments popup window

Render a specific navigation menu when the current URL is within the comments popup window.

if (is_comments_popup()) {
    wp_nav_menu(array('theme_location' => 'comments_popup_menu'));
} else {
    wp_nav_menu(array('theme_location' => 'main_menu'));
}

Add a custom class to the body tag in the comments popup window

Add a specific class to the body tag when the current URL is within the comments popup window.

function add_popup_body_class($classes) {
    if (is_comments_popup()) {
        $classes[] = 'comments-popup';
    }
    return $classes;
}
add_filter('body_class', 'add_popup_body_class');