dbase_pack

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

dbase_pack — Packs a database

说明

bool dbase_pack ( resource $dbase_identifier )

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_identifier is 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

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