dbase_numfields()
(PHP 5 < 5.3.0, dbase 5, dbase 7)
Gets the number of fields of a database
说明
dbase_numfields(resource $dbase_identifier): int
Gets the number of fields(columns)in the specified database.
Note:Field numbers are between 0 anddbase_numfields($db)-1, while record numbers are between 1 anddbase_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.
更新日志
版本 | 说明 |
---|---|
dbase 7.0.0 | $dbase_identifieris now a resource instead of an int. |
范例
Example #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