Shortcode to show current user entries for a specific form using [show_user_entries id="1"] where 1 is the form ID

quform-custom-code.php

<?php

/**
 * Plugin Name: Quform Show User Entries
 * Plugin URI: http://www.quform.com
 * Description: Shortcode to show current user entries.
 * Version: 1.1.1
 * Author: ThemeCatcher
 * Author URI: http://www.themecatcher.net
 */

add_shortcode('show_user_entries', function ($atts) {
    $atts = shortcode_atts(array(
        'id' => ''
    ), $atts);

    if ( ! is_user_logged_in()) {
        return '<p>Please log in to view entries.</p>';
    }

    $repository = Quform::getService('repository');
    $formFactory = Quform::getService('formFactory');

    $config = $repository->getConfig((int) $atts['id']);

    if ( ! is_array($config)) {
        return '<p>Form not found.</p>';
    }

    $output = '';
    $form = $formFactory->create($config);

    $entries = $repository->getEntries($form, array(
        'order_by' => 'created_at',
        'order' => 'ASC',
        'limit' => 1000000,
        'created_by' => get_current_user_id()
    ));

    if (is_array($entries) && count($entries)) {
        foreach ($entries as $entry) {
            sue_set_form_values($form, $entry);
            $output .= $form->replaceVariables('{all_form_data}', 'html');
        }
    } else {
        $output .= '<p>No entries found.</p>';
    }

    return $output;
});

function sue_set_form_values(Quform_Form $form, array $entry)
{
    $form->setValues(array(), true);

    foreach ($entry as $key => $value) {
        if (preg_match('/^element_\d+/', $key)) {
            $elementId = (int) str_replace('element_', '', $key);
            $form->setValueFromStorage($elementId, $entry[$key]);
        }
    }
}