PodsCMS input helper - chekboxes

<?php
//checkboxes

        $comment = sanitize_text_field( $comment ); // cleans input

        $comment = str_replace(", ", ",", $comment); // cleans useless white spaces after puntuaction if present

        $choices = explode(",", $comment);

        $css_classes = str_replace(array(' ' . $coltype . ' ', ' pods_coltype_' . $coltype . ' '), array(' pick ', ' pods_coltype_pick '), $css_classes);

        ?>

        <div class="<?php echo esc_attr($css_classes); ?>" id="<?php echo esc_attr($css_id); ?>" style="border: none; height: auto">

        <?php

        $values = explode(",", $value); // retrieves set value and explodes it to array of set values

        foreach($choices as $key => $val) {

                $selected = '';
                $active = '';

                if (in_array($key, $values) && $value !== '') {
                        $selected = ' CHECKED';
                        $active = ' active';
                }

                if( $val !== "[]"){
                                        ?>
                    <input type="checkbox" id="checkbox_<?php echo $name . '_' . $key; ?>" name="<?php echo $name . '[]'; ?>" class="checkbox-option<?php echo $active; ?>" value="<?php echo $key; ?>" data-value="<?php echo $key; ?>" <?php echo $selected; ?> />
                    <label for="checkbox<?php echo $name . '_' . $key; ?>"><?php echo $val; ?></label><br />
                                        <?php
                }
                else{
                                        ?>
                    <label for="text_<?php echo $name . '_' . $key; ?>">Altro: </label>
                    <input type="text" id="text_<?php echo $name . '_' . $key; ?>" name="<?php echo $name . '_other'; ?>" class="textfield-option<?php echo $active; ?>" value="<?php echo ($val === '[]'? '': $val); ?>"/>
                                        <?php
                }
        }
        ?>
        </div>
        <script type="text/javascript">
        jQuery('#<?php echo $css_id; ?> input.checkbox-option').on('change', function(){
            jQuery('#<?php echo $css_id; ?> input.checkbox-option').removeClass('active');
            jQuery('#<?php echo $css_id; ?> input.checkbox-option:checked').addClass('active');
        });
        </script>