dbase_numfields

(PHP 3, PHP 4, PHP 5)

dbase_numfields -- Gets the number of fields of a database

说明

int dbase_numfields ( int dbase_identifier )

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

注: 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.

范例

例子 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()