# 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 `$database`): int

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

> 注意:

> Field numbers are between 0 and `dbase_numfields($db)-1`, while record numbers are between 1 and `dbase_numrecords($db)`.

### 参数

`database`

  The database resource, 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
--- | ---
PECL dbase 7.0.0 | `database` is now a resource instead of an int.

### 示例

示例 #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

- dbase_numrecords() - Gets the number of records in a database

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