Random WordPress Function

Function Signature:

header_image

Function Description:

Displays header image URL.

Function Examples:

⚠️ Examples below are generated with GPT-3 once every hour. Do not take them too seriously.
Consider them as some extra input in your learning process - reason about them. Will it work? What could fail?

// Example 1: Display the default header image
if (function_exists('the_custom_header_markup')) {
    the_custom_header_markup();
}

// Example 2: Set a custom header image for a specific page
if (is_page('about')) {
    add_filter('header_image', 'custom_header_image');
    
    function custom_header_image() {
        return 'http://example.com/wp-content/uploads/2021/01/about-header.jpg';
    }
}

// Example 3: Display a random header image from a specified list
$random_images = array(
    'http://example.com/wp-content/uploads/2021/01/header1.jpg',
    'http://example.com/wp-content/uploads/2021/01/header2.jpg',
    'http://example.com/wp-content/uploads/2021/01/header3.jpg'
);

add_filter('header_image', 'random_header_image');

function random_header_image() {
    global $random_images;
    return $random_images[array_rand($random_images)];
}