(PHP 5 < 5.3.0, dbase 5, dbase 7)
dbase_pack — Packs a database
$dbase_identifier
) : boolPacks 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).
成功时返回 TRUE， 或者在失败时返回 FALSE。
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);
}
?>