dbase_numfields

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

dbase_numfields — 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 and dbase_numfields($db)-1, while record numbers are between 1 and dbase_numrecords($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_identifier is 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