preview email

gistfile1.txt

/**
 * Open a preview e-mail.
 *
 * @return null
 */
function previewEmail() {

    if (is_admin()) {
        $default_path = WC()->plugin_path() . '/templates/';

        $files = scandir($default_path . 'emails');
        $exclude = array( '.', '..', 'email-header.php', 'email-footer.php','plain' );
        $list = array_diff($files,$exclude);
        ?><form method="get" action="<?php echo site_url(); ?>/wp-admin/admin-ajax.php">
<input type="hidden" name="order" value="2055">
<input type="hidden" name="action" value="previewemail">
        <select name="file">
        <?php
        foreach( $list as $item ){ ?>
            <option value="<?php echo $item; ?>"><?php echo str_replace('.php', '', $item); ?></option>
        <?php } ?>
        </select><input type="submit" value="Go"></form><?php
        global $order;
        $order = new WC_Order($_GET['order']);
        wc_get_template( 'emails/email-header.php', array( 'order' => $order ) );
        
        
        wc_get_template( 'emails/'.$_GET['file'], array( 'order' => $order ) );
        wc_get_template( 'emails/email-footer.php', array( 'order' => $order ) );

    }
    return null; 
}

add_action('wp_ajax_previewemail', 'previewEmail');