Functions.php code

<?php
add_action( 'after_setup_theme', 'et_setup_theme' );
if ( ! function_exists( 'et_setup_theme' ) ){
    function et_setup_theme(){
        require_once(TEMPLATEPATH . '/epanel/custom_functions.php');

        require_once(TEMPLATEPATH . '/includes/functions/comments.php');

        require_once(TEMPLATEPATH . '/includes/functions/sidebars.php');

        load_theme_textdomain('Glider',get_template_directory().'/lang');

        require_once(TEMPLATEPATH . '/epanel/options_glider.php');

        require_once(TEMPLATEPATH . '/epanel/core_functions.php');

        require_once(TEMPLATEPATH . '/epanel/post_thumbnails_glider.php');

        include(TEMPLATEPATH . '/includes/widgets.php');

        require_once(TEMPLATEPATH . '/includes/additional_functions.php');
    }
}

if ( ! function_exists( 'et_list_pings' ) ){
    function et_list_pings($comment, $args, $depth) {
        $GLOBALS['comment'] = $comment; ?>

        <li id="comment-<?php comment_ID(); ?>"><?php comment_author_link(); ?> - <?php comment_excerpt(); ?>
    <?php }
}

//Define the key to store in the database
define( 'CF7_COUNTER', 'cf7-counter' );

//Create the shortcode which will set the value for the DTX field
function cf7dtx_counter(){
    $val = get_option( CF7_COUNTER, 0) + 1;  //Increment the current count
    return $val;
}
add_shortcode('CF7_counter', 'cf7dtx_counter');

//Action performed when the mail is actually sent by CF7
function cf7dtx_increment_mail_counter(){
    $val = get_option( CF7_COUNTER, 0) + 1; //Increment the current count
    update_option(CF7_COUNTER, $val); //Update the settings with the new count
}
add_action('wpcf7_mail_sent', 'cf7dtx_increment_mail_counter'); ?>