Which only returns one row time from the result set

$result = mysqli_query($link, "SELECT Code, Name FROM Country ORDER BY Name")

$result = mysqli_store_result($link, "find what is this")

Always make the query in an if statement or use error message.

if ($result = mysqli_query($link, "SELECT Code, Name FROM Country ORDER BY Name")) {
    $row_cnt = mysqli_num_rows($result);

output

Result set has 239 rows.

$data[$i] = mysqli_fetch_all($result);

mysqli_free_result($result);

Returns an associative array that corresponds to the fetched row or NULL if there are no more rows.

if ($result = mysqli_query($link, $query)) {

    /* fetch associative array */
    while ($row = mysqli_fetch_assoc($result)) {
        printf ("%s (%s)\n", $row["Name"], $row["CountryCode"]);
    }

    /* free result set */
    mysqli_free_result($result);
}

Arvada (USA)

Cape Coral (USA)

Output

Result set has 5 fields.

Returns the number of rows affected by the last INSERT, UPDATE, REPLACE or DELETE query.

mysqli_affected_rows ( mysqli $link ) : int

Affected rows (UPDATE): 168

Affected rows (DELETE): 815

Queries which do not fall into one of the preceding formats are not supported. In these situations, mysqli_info() will return an empty string.

$link = mysqli_connect("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

mysqli_query($link, "CREATE TEMPORARY TABLE t1 LIKE City");

/* INSERT INTO .. SELECT */
mysqli_query($link, "INSERT INTO t1 SELECT * FROM City ORDER BY ID LIMIT 150");
printf("%s\n", mysqli_info($link));

/* close connection */
mysqli_close($link);