maxdb_errno

maxdb::errno

Returns the error code for the most recent function call

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`int` `maxdb_errno` `resource` `link`

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`int` `maxdb->errno`

The `maxdb_errno` function will return the last error code for the most recent MaxDB function call that can succeed or fail with respect to the database link defined by the `link` parameter. If no errors have occurred, this function will return zero.

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

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### &style.oop;

    <?php
    $maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");

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

    if (!$maxdb->query("SELECT xxx FROM hotel.city")) {
       printf("Errorcode: %d\n", $maxdb->errno);
    }

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

### &style.procedural;

    <?php
    $link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

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

    if (!maxdb_query($link, "SELECT xxx FROM hotel.city")) {
       printf("Errorcode: %d\n", maxdb_errno($link));
    }

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

&example.outputs.similar;

    PHP Warning:  maxdb_query(): -4005 POS(8) Unknown column name:XXX [42000] <...>
    Errorcode: -4005

&reftitle.seealso;

- `maxdb_connect_errno`
- `maxdb_connect_error`
- `maxdb_error`
- `maxdb_sqlstate`