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

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