mysqli_result::$lengths

mysqli_fetch_lengths

Returns the lengths of the columns of the current row in the result set

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&style.oop;

``array``null```mysqli_result->lengths`

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``array``false```mysqli_fetch_lengths` `mysqli_result` `result`

The `mysqli_fetch_lengths` function returns an array containing the lengths of every column of the current row within the result set.

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&mysqli.result.description;
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An array of integers representing the size of each column (not including any terminating null characters). &false; if an error occurred.

`mysqli_fetch_lengths` is valid only for the current row of the result set. It returns &false; if you call it before calling mysqli_fetch_row/array/object or after retrieving all rows in the result.

&reftitle.examples;

### &style.oop;

    <?php
    $mysqli = new mysqli("localhost", "my_user", "my_password", "world");

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

    $query = "SELECT * from Country ORDER BY Code LIMIT 1";

    if ($result = $mysqli->query($query)) {

        $row = $result->fetch_row();

        /* display column lengths */
        foreach ($result->lengths as $i => $val) {
            printf("Field %2d has Length %2d\n", $i+1, $val);
        }
        $result->close();
    }

    /* close connection */
    $mysqli->close();
    ?>

### &style.procedural;

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

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

    $query = "SELECT * from Country ORDER BY Code LIMIT 1";

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

        $row = mysqli_fetch_row($result);

        /* display column lengths */
        foreach (mysqli_fetch_lengths($result) as $i => $val) {
            printf("Field %2d has Length %2d\n", $i+1, $val);
        }
        mysqli_free_result($result);
    }

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

&examples.outputs;

    Field  1 has Length  3
    Field  2 has Length  5
    Field  3 has Length 13
    Field  4 has Length  9
    Field  5 has Length  6
    Field  6 has Length  1
    Field  7 has Length  6
    Field  8 has Length  4
    Field  9 has Length  6
    Field 10 has Length  6
    Field 11 has Length  5
    Field 12 has Length 44
    Field 13 has Length  7
    Field 14 has Length  3
    Field 15 has Length  2