dbase_pack()
(PHP 5 < 5.3.0, dbase 5, dbase 7)
Packs a database
说明
dbase_pack(resource $dbase_identifier): bool
Packs the specified database by permanently deleting all records marked for deletion using dbase_delete_record(). Note that the file will be truncated after successful packing(contrary to dBASE III's PACK command).
参数
- $dbase_identifier
The database link identifier, returned by dbase_open() or dbase_create().
返回值
成功时返回TRUE
,或者在失败时返回FALSE
。
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 Emptying a dBase database
<?php // open in read-write mode $db = dbase_open('/tmp/test.dbf', 2); if ($db) { $record_numbers = dbase_numrecords($db); for ($i = 1; $i <= $record_numbers; $i++) { dbase_delete_record($db, $i); } // expunge the database dbase_pack($db); } ?>
参见
dbase_delete_record()
Deletes a record from a database