mysqli::$errno

    mysqli_errno

    (PHP 5, PHP 7, PHP 8)

    mysqli::$errno -- mysqli_errno — Returns the error code for the most recent function call

    Description

    Object-oriented style

    int$mysqli->errno;

    Procedural style

    mysqli_errno(mysqli$mysql): int

    Returns the last error code for the most recent MySQLi function call that can succeed or fail.

    Parameters

    mysql

    Procedural style only: A mysqli object returned by mysqli_connect() or mysqli_init()

    Return Values

    An error code value for the last call, if it failed. zero means no error occurred.

    Examples

    Example #1 $mysqli->errno example

    Object-oriented style

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


    if ($mysqli->connect_errno) {
    printf("Connect failed: %s\n", $mysqli->connect_error);
    exit();
    }

    if (!    $mysqli->query("SET a=1")) {
    printf("Errorcode: %d\n", $mysqli->errno);
    }


    $mysqli->close();
    ?>

    Procedural style

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


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

    if (!    mysqli_query($link, "SET a=1")) {
    printf("Errorcode: %d\n", mysqli_errno($link));
    }


    mysqli_close($link);
    ?>

    The above examples will output:

    Errorcode: 1193

    See Also

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