Multiple Select Form Based on Dynamic Taxonomy Query

vc_map_multipmle_param_select_box.php

<?php
/*
Element Description: VC Info Box
*/

// Element Class
class ClientInfoBoxLoop extends WPBakeryShortCode
{

// Element Init

    function __construct()
    {
        add_action('init', array($this, 'client_info_box_loop_mapping'));
        add_shortcode('client_info_box_loop', array($this, 'client_info_box_loop_html'));
    }

// Element Mapping
    public function client_info_box_loop_mapping()
    {

        $clients_taxonomy = array();

        $clients_taxonomy = explode(',', get_option('pxlr-link-taxonomy'));

        $clients_taxonomy[] .= 'client_category';


        foreach ($clients_taxonomy as $key => $value) {


            $taxonomy_term_list=array();

            $taxonomy_term_list[$value] = get_terms(array(
                'taxonomy' => $value,
                'hide_empty' => true,
            ) );

            $taxonomy_term_group_single=$taxonomy_term_list[$value];

           $client_taxonomy_list=array();
            foreach ( $taxonomy_term_group_single as $term ) :
                $client_taxonomy_list[$value][ $term->name ] = $term->term_id;
            endforeach;

            //print_r($client_taxonomy_list);

        }


        $select_taxonomy='';



        wp_reset_postdata();

// Stop all if VC is not enabled
        if (!defined('WPB_VC_VERSION')) {
            return;
        }

// Map the block with vc_map()
        vc_map(
            array(
                'name' => __('Client Info Box Loop', PXLR_PLUGIN_TEXTDOMAIN),
                'base' => 'client_info_box_loop',
                'description' => __('Client Info Box Loop', PXLR_PLUGIN_TEXTDOMAIN),
                'category' => __('Pxlr Clients', 'text-domain'),
                'icon' => PXLR_PLUGIN_URI . '/vc_shortcodes/img/vc-icon/client-infobox-loop.png',
                'params' => array(
                    array(
                        
                        
//                         I want to put loop here based on my condition
                        
                        "type" => "textfield",
                        "admin_label" => TRUE,
                        "heading" => __("Number Of Client To Show", 'text-domain'),
                        "param_name" => "client_number",
                        "description" => __("Input number of client you want to show per page", PXLR_PLUGIN_TEXTDOMAIN)
                    ),
                ),
            )
        );

    }


// Element HTML
    public function client_info_box_loop_html($atts)
    {

// Params extraction
        extract(
            shortcode_atts(
                array(
                    'client_id' => '',
                ),
                $atts
            )
        );

// Fill $html var with data
        ob_start(); ?>


        <div class="client-infobox-wrap">

            <!-- Info box default -->
            <div class="client-infobox-default clearfix">

                <div class="col-md-6">
                    <?php
                    $post = get_post($atts['client_id']); //assuming $id has been initialized
                    setup_postdata($post); ?>
                    <div class="client-infobox-company-details text-left">
                        <div class="client-infobox-image">
                            <?php
                            $thumbnail = get_the_post_thumbnail_url($post->ID);
                            $logo_size = explode(',', $atts['client_logo_size']);
                            ?>
                            <img src="<?php echo esc_url($thumbnail) ?>" alt="Info Box Image"
                                 height="<?php echo $logo_size[0] ?>" width="<?php echo $logo_size[1] ?>">
                        </div>

                        <h2 class="client-infobox-title"><?php echo $post->post_title; ?></h2>

                        <div class="client-infobox-text">
                            <p><?php echo get_post_meta($atts['client_id'], 'pxlr-client-overview', TRUE); ?></p>
                        </div>

                        <div class="client-infobox-button">
                            <a href="<?php echo get_permalink($post->ID) ?>" class="btn btn-primary btn-md">Case
                                Study</a>
                        </div>
                    </div>

                </div>

                <div class="col-md-6">

                    <div class="client-infobox-testimonials">
                        <span><?php echo esc_attr(get_post_meta($atts['client_id'], 'pxlr-feed-back-statement', TRUE)) ?></span>
                        <div class="client-infobox-author-details text-right">

                            <?php

                            $contact_person_group = get_post_meta($post->ID, 'pxlr-contact-person-group');
                            if (!empty($contact_person_group)) {
                                $single_contactPerson_group = $contact_person_group[0][0]; ?>

                                <span><?php echo esc_attr($single_contactPerson_group['pxlr-contact-person-name']) ?></span>
                                <p><?php echo esc_attr($single_contactPerson_group['pxlr-contact-person-department']) ?></p>
                                <p><?php echo $post->post_title; ?></p>

                            <?php } ?>
                        </div>
                    </div>

                    <div class="client-infobox-achievement">
                        <ul class="list-inline text-center">
                            <li>
                                <span
                                    class="achievement-count"><?php echo esc_attr(get_post_meta($atts['client_id'], 'pxlr-number-of-employees', TRUE)) ?></span>
                                <span class="text-uppercase">Employees</span>
                            </li>

                            <?php

                            $custom_field_group = get_post_meta($post->ID, 'pxlr-client-custom-data');
                            $i = 0;

                            for ($i = 0; $i <= 3; $i++) {
                                $custom_field = '';
                            }


                            ?>

                            <li>
                                <span
                                    class="achievement-count"><?php echo $custom_field_group[0][0]['pxlr-custom-field-value'] ?></span>
                                <span
                                    class="text-uppercase"><?php echo $custom_field_group[0][0]['pxlr-custom-field-title'] ?></span>
                            </li>
                            <li>
                                <span
                                    class="achievement-count"><?php echo $custom_field_group[0][1]['pxlr-custom-field-value'] ?></span>
                                <span
                                    class="text-uppercase"><?php echo $custom_field_group[0][1]['pxlr-custom-field-title'] ?></span>
                            </li>
                            <li>
                                <span
                                    class="achievement-count"><?php echo $custom_field_group[0][2]['pxlr-custom-field-value'] ?></span>
                                <span
                                    class="text-uppercase"><?php echo $custom_field_group[0][2]['pxlr-custom-field-title'] ?></span>
                            </li>
                        </ul>
                    </div>

                </div>

            </div>
            <?php wp_reset_postdata(); ?>
        </div>

        <?php

        return ob_get_clean();

    }

} // End Element Class


// Element Class Init
new ClientInfoBoxLoop();