Add Password Reset Functionality for WordPress Admins

Code

<?php
// Function to add a custom password reset link for admins
function wp_dudecom_add_admin_password_reset_link() {
    add_menu_page(
        'Admin Password Reset', // Page title
        'Password Reset', // Menu title
        'manage_options', // Capability
        'wp-dudecom-password-reset', // Menu slug
        'wp_dudecom_admin_password_reset_page', // Callback function
        'dashicons-admin-network', // Icon
        100 // Position
    );
}
add_action('admin_menu', 'wp_dudecom_add_admin_password_reset_link');

// Callback function to display the password reset form
function wp_dudecom_admin_password_reset_page() {
    if (!current_user_can('manage_options')) {
        wp_die(__('You do not have sufficient permissions to access this page.'));
    }

    if (isset($_POST['wp_dudecom_reset_password'])) {
        check_admin_referer('wp_dudecom_reset_password_action', 'wp_dudecom_reset_password_nonce');

        $user_id = get_current_user_id();
        $new_password = wp_generate_password(12, true);

        wp_set_password($new_password, $user_id);

        echo '<div class="updated"><p>' . __('Password has been reset. Please check your email for the new password.') . '</p></div>';

        wp_mail(
            wp_get_current_user()->user_email,
            __('Your New Admin Password'),
            sprintf(__('Your new password is: %s'), $new_password)
        );
    }

    ?>
    <div class="wrap">
        <h1><?php _e('Admin Password Reset'); ?></h1>
        <form method="post" action="">
            <?php wp_nonce_field('wp_dudecom_reset_password_action', 'wp_dudecom_reset_password_nonce'); ?>
            <p><?php _e('Click the button below to reset your admin password. A new password will be sent to your email.'); ?></p>
            <p><input type="submit" name="wp_dudecom_reset_password" class="button-primary" value="<?php _e('Reset Password'); ?>" /></p>
        </form>
    </div>
    <?php
}

// Function to customize the password reset email
function wp_dudecom_customize_password_reset_email($message, $key, $user_login, $user_data) {
    $site_name = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
    $message = sprintf(__('Hello %s,'), $user_data->display_name) . "\r\n\r\n";
    $message .= __('You requested a password reset for your account on ') . $site_name . ".\r\n\r\n";
    $message .= __('To reset your password, visit the following address:') . "\r\n\r\n";
    $message .= network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user_login), 'login') . "\r\n\r\n";
    $message .= __('If you did not request this, please ignore this email.') . "\r\n\r\n";
    $message .= __('Thanks!') . "\r\n";
    $message .= $site_name . "\r\n";

    return $message;
}
add_filter('retrieve_password_message', 'wp_dudecom_customize_password_reset_email', 10, 4);
?>