dbase_pack Packs a database php函数


dbase_pack

(PHP 4, PHP 5)

dbase_packPacks a database

说明

bool dbase_pack ( int $dbase_identifier )

Packs the specified database by permanently deleting all records marked for deletion using dbase_delete_record().

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.

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



相关阅读:
dbase_replace_record Replaces a record in a database
dba_close Close a DBA database
dba_delete Delete DBA entry specified by key
dba_exists Check whether key exists
dba_fetch Fetch data specified by key
dba_firstkey Fetch first key
dba_handlers List all the handlers available
dba_insert Insert entry
dba_key_split Splits a key in string representation into array representation
dba_list List all open database files
dba_nextkey Fetch next key
dba_open Open database
dba_optimize Optimize database
dba_popen Open database persistently
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