Elep

<?php

defined('ABSPATH') or die("Cannot access pages directly.");

class ImageWDTColumn extends WDTColumn
{

protected $_jsDataType = 'string';
    protected $_dataType = 'string';

/**
     * ImageWDTColumn constructor.
     * @param array $properties
     */
    public function __construct($properties = array())
    {
        parent::__construct($properties);
        $this->_dataType = 'icon';
    }

/**
     * @param $content
     * @return mixed|string
     */
    public function prepareCellOutput($content)
    {
        if (empty($content)) {
            return '';
        }
        if (FALSE !== strpos($content, '||')) {
            list($image, $link) = explode('||', $content);
            $formattedValue = "<a href='{$link}' target='_blank' rel='lightbox[-1]'><img src='{$image}' /></a>";
        } else {
            $formattedValue = "<img src='{$content}' />";
        }
        $formattedValue = apply_filters('wpdatatables_filter_image_cell', $formattedValue, $this->getParentTable()->getWpId());
        return $formattedValue;
    }

}