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  • dbase_numfields()

    (PHP 5 < 5.3.0, dbase 5, dbase 7)

    Gets the number of fields of a database

    说明

    dbase_numfields(resource $dbase_identifier): int

    Gets the number of fields(columns)in the specified database.

    Note:

    Field numbers are between 0 anddbase_numfields($db)-1, while record numbers are between 1 anddbase_numrecords($db).

    参数

    $dbase_identifier

    The database link identifier, returned by dbase_open() or dbase_create().

    返回值

    The number of fields in the database, or FALSE if an error occurs.

    更新日志

    版本说明
    dbase 7.0.0$dbase_identifieris now a resource instead of an int.

    范例

    Example #1 dbase_numfields() Example

    <?php
    $rec = dbase_get_record($db, $recno);
    $nf  = dbase_numfields($db);
    for ($i = 0; $i < $nf; $i++) {
      echo $rec[$i], "\n";
    }
    ?>
    

    参见