<?php
    echo $_product->getId();
    $wishlist = $this->helper('MagentoWishlistHelperData')->getWishlistItemCollection()->addFieldToFilter('product_id', $_product->getId());
    print_r($wishlist->getData());

                    ?>

                 <div class="cdz-product-wishlist show-tooltip">
                            <?php if ($this->helper('MagentoWishlistHelperData')->isAllow() && $showCompareWishlist): ?>
                                <a href="#"
                                   class="action towishlist"
                                   title="<?php echo $block->escapeHtml(__('Add to Wish List')); ?>"
                                   aria-label="<?php echo $block->escapeHtml(__('Add to Wish List')); ?>"
                                   data-post='<?php /* @escapeNotVerified */ echo $block->getAddToWishlistParams($_product); ?>'
                                   data-action="add-to-wishlist"
                                   role="button">
                                    <span><?php /* @escapeNotVerified */ echo __('Add to Wish List') ?></span>
                                </a>
                            <?php endif; ?>
                    </div>