function save_event($params)
{
    if (get_post_type($params['post_data']['ID']) == CFS_LFQ_POST_TYPE && CFS()->get(CFS_LFQ_CFS_LOOP, $params['post_data']['ID'])) {
        global $wpdb;
        $postID = $params['post_data']['ID'];
        $fields = CFS()->get(CFS_LFQ_CFS_LOOP, $postID);
        sortArrayByKey($fields, CFS_LFQ_CFS_LOOP_DATE);
        // sorting by "date"
        $sql = 'DELETE FROM ' . TABLE_NAME . " WHERE post_id = {$postID};";
        $sql = $wpdb->prepare($sql);
        $result = $wpdb->query($sql);
        foreach ($fields as $field) {
            $date = str_replace('-', '', $field[CFS_LFQ_CFS_LOOP_DATE]);
            if ($field[CFS_LFQ_CFS_LOOP_STARTTIME]) {
                $stime = str_replace(':', '', $field[CFS_LFQ_CFS_LOOP_STARTTIME] . ':00');
            } else {
                $stime = 'null';
            }
            if ($field[CFS_LFQ_CFS_LOOP_FINISHTIME]) {
                $ftime = str_replace(':', '', $field[CFS_LFQ_CFS_LOOP_FINISHTIME] . ':00');
            } else {
                $ftime = 'null';
            }
            $sql = 'INSERT INTO ' . TABLE_NAME . " (post_id, date, starttime, finishtime) VALUES ({$postID}, {$date}, {$stime}, {$ftime});";
            $sql = $wpdb->prepare($sql);
            $result = $wpdb->query($sql);
        }
    }
}
		<?php 
            $tmpData[$j]["title"] = get_the_title();
            $tmpData[$j]["price"] = $product->get_price_html();
            $tmpData[$j]["content"] = get_the_content();
            $tmpData[$j]["product_id"] = $loop->post->ID;
            $tmpData[$j]["sku"] = $product->get_sku();
            $j++;
            ?>
	<?php 
        }
        ?>
	<?php 
        wp_reset_query();
        ?>
	<?php 
        sortArrayByKey($tmpData, 'sku');
        $h = 0;
        foreach ($tmpData as $key => $value) {
            ?>
		<li class="product">
			<div class="item-detail">
				<h3><?php 
            echo $value["title"];
            ?>
 - <span class="price"><?php 
            echo $value["price"];
            ?>
</span></h3>
				<p><?php 
            echo $value["content"];
            ?>