dbase_numfields
(PHP 4, PHP 5)
dbase_numfields — Gets the number of fields of a database
说明
int dbase_numfields ( int $dbase_identifier )
Gets the number of fields (columns) in the specified database.
Note:
Field numbers are between 0 and dbase_numfields($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
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], " ";
}
?>
参见
- dbase_numrecords() – Gets the number of records in a database
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