dbase_numfields

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

dbase_numfieldsGets 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