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dbase_numfields

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

dbase_numfields — Gets the number of fields of a database

説明

function 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).

パラメータ

database

The database resource, returned by dbase_open() or dbase_create().

戻り値

The number of fields in the database, or false if an error occurs.

変更履歴

バージョン 説明
PECL dbase 7.0.0 database is now a resource instead of an int.

例

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";
}

?>

参考

関連キーワード:
dbase   database   number   numfields   Gets   fields   record   numrecords   resource   numbers   between   names   dBase   columns   specified   while   returned   create   occurs   履歴   instead   Example   recno   参考   records
関連する関数・ページ:
function.dbase-numrecords   function.dbase-get-record-with-names   function.dbase-get-record   ref.dbase   function.dbase-delete-record   function.dbase-close