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()