Mini Shell

<?php
$conn = new mysqli('localhost', 'duytan', 'tandb', 'thienwp'); //db site cũ
$conn2 = new mysqli('localhost', 'duytan', 'tandb', 'thienwp'); //db site mới
$sql_wp_posts = "INSERT INTO wp_posts (post_author, post_date, post_date_gmt, post_content, post_title, post_excerpt, post_status, comment_status, ping_status, post_password, post_name, to_ping, pinged, post_modified, post_modified_gmt, post_content_filtered, post_parent, guid, menu_order, post_type, post_mime_type, comment_count) VALUES ";
$sql_wp_postmeta = "INSERT INTO wp_postmeta (post_id, meta_key, meta_value) VALUES ";

$FIELDS = ['asin', 'single_image_old', 'external_id', 'source' ];

echo count($FIELDS);

if ($conn->connect_error)
{
    die("Connection failed: " . $conn->connect_error);
    echo "Loi ket noi co sơ du lieu xem lai cau hinh";
}
else
{
    $sql = "SELECT * FROM wp_posts WHERE post_status = 'publish' AND post_type='product' and post_parent=0 LIMIT 1"; //ORDER BY id DESC
    $result = $conn->query($sql) or die($conn->error);
    if ($result->num_rows > 0)
    {
        echo "Đã kết nối" . PHP_EOL;
        $stt = 1;
        while ($row = $result->fetch_assoc())
        {

            //$sqlmeta = "SELECT * FROM wp_postmeta WHERE post_id=".$row['ID']." AND meta_key = 'product_json' ";
            //$result_meta = mysqli_query($conn,  $sqlmeta);
            //$rowmeta =  mysqli_fetch_row($result_meta);


            $datenow = date('Y-m-d H:i:s');
            $post_author = '1';
            $post_date = "$datenow";
            $post_date_gmt = "$datenow";
            $post_content = mysqli_real_escape_string($conn, ($row['post_content']));
            $post_title = mysqli_real_escape_string($conn, ($row['post_title']));
            $post_excerpt = '';
            $post_status = 'publish';
            $comment_status = 'open';
            $ping_status = 'closed';
            $post_password = '';
            $post_name = $row['post_name'].'-'.rand(222, 444); //handle;
            $to_ping = '';
            $pinged = '';
            $post_modified = $datenow;
            $post_modified_gmt = $datenow;
            $post_content_filtered = '';
            $post_parent = 0;
            $guid = $row['guid']; //url
            $menu_order = '0';
            $post_type = 'product';
            $post_mime_type = '';
            $comment_count = '0';

            $_stringQueryPosts = $sql_wp_posts . "('$post_author', '$post_date', '$post_date_gmt', '$post_content', '$post_title', '$post_excerpt', '$post_status', '$comment_status', '$ping_status', '$post_password', '$post_name', '$to_ping', '$pinged', '$post_modified', '$post_modified_gmt', '$post_content_filtered', '$post_parent', '$guid', '$menu_order', '$post_type', '$post_mime_type', '$comment_count')";
            //echo $_stringQueryPosts;
            if (mysqli_query($conn2, $_stringQueryPosts))
            {
                $last_id = $conn2->insert_id;
                echo "Đã thêm thành công product: " . $last_id . PHP_EOL;
                $post_id = "$last_id";
                $meta_key = '_price';
                $meta_value = '17.95';

                //gan post type cho product
                //add wp_term_relationships oject_id = post_id, term_taxonomy_id = 795 (mmolazy gearment)
                $set_term = "INSERT INTO wp_term_relationships (object_id, term_taxonomy_id, term_order) VALUES ($post_id, '795', '0')";
                mysqli_query($conn2, $set_term);


                $_stringQueryPostMeta = $sql_wp_postmeta . "('$post_id', '$meta_key', '$meta_value')";

                $post_id2 = "$last_id";

                foreach ($FIELDS as $key => $field)
                {
                    $meta_key2 = $field;
                    $meta_value_field = check_field($row['ID'], $field, $conn);
                    if ($meta_value_field)
                    {
                        $meta_value2 = mysqli_real_escape_string($conn, $meta_value_field);
                        // var_dump($meta_value2 );
                        // exit();
                        $_stringQueryPostMeta2 = $sql_wp_postmeta . "('$post_id2', '$meta_key2', '$meta_value2')";
                        //echo "\n";
                        //echo $_stringQueryPostMeta2;
                        //echo "\n";
                        if (mysqli_query($conn2, $_stringQueryPostMeta) and mysqli_query($conn2, $_stringQueryPostMeta2))
                        {
                            //echo "$stt Đã thêm thành công wp_post_meta cho id product: " . $last_id . PHP_EOL;
                            $stt++;
                        }
                        else
                        {
                            //echo $_stringQueryPostMeta2 . PHP_EOL;
                            echo "Loi ko them dc metapost: " . "<br>" . $conn2->error . PHP_EOL;
                        }
                    }
                    // echo "key=";
                    // echo $key;
                    // echo "\n";

                }
            }
            else
            {
                echo "Loi ko them dc wp_posts: " . "<br>" . $conn2->error . PHP_EOL;
            }
        } // end while

    }

}
$conn->close();

function check_field($post_id, $meta_key, $conn)
{
    $sqlmeta = "SELECT * FROM wp_postmeta WHERE post_id=" . $post_id . " AND meta_key = '" . $meta_key . "' ";
    //echo $sqlmeta;
    //echo "\n";
    $result_meta = mysqli_query($conn, $sqlmeta);
    $result = false;
    if (mysqli_num_rows($result_meta) == 0)
    {
        $result = false;
    }
    else
    {
        $rowmeta = mysqli_fetch_row($result_meta);
        $result = $rowmeta[3];
    }
    return $result;
}