пСЙНБНДЯРБН ОН PHP
Пред.След.

XIX. DBM Functions [deprecated]

бБЕДЕМХЕ

These functions allow you to store records stored in a dbm-style database. This type of database (supported by the Berkeley DB, GDBM, and some system libraries, as well as a built-in flatfile library) stores key/value pairs (as opposed to the full-blown records supported by relational databases).

Замечание: However, dbm support is deprecated and you are encouraged to use the Database (dbm-style) abstraction layer functions instead.

Замечание: This extension has been removed as of PHP 5 and moved to the PECL repository.

рПЕАНБЮМХЪ

To use this functions you have to compile PHP with support for an underlying database. See the list of supported Databases.

сЯРЮМНБЙЮ

In order to use these functions, you must compile PHP with dbm support by using the --with-db option. In addition you must ensure support for an underlying database or you can use some system libraries.

мЮЯРПНИЙЮ БН БПЕЛЪ БШОНКМЕМХЪ

дЮММНЕ ПЮЯЬХПЕМХЕ МЕ НОПЕДЕКЪЕР МХЙЮЙХЕ ДХПЕЙРХБШ ЙНМТХЦСПЮЖХХ Б php.ini.

рХОШ ПЕЯСПЯНБ

The function dbmopen() returns an database identifier which is used by the other dbm-functions.

оПЕДНОПЕДЕКЕММШЕ ЙНМЯРЮМРШ

дЮММНЕ ПЮЯЬХПЕМХЕ МЕ НОПЕДЕКЪЕР МХЙЮЙХЕ ЙНМЯРЮМРШ.

оПХЛЕПШ

Пример 1. DBM example

<?php

$dbm = dbmopen("lastseen", "w");
if (dbmexists($dbm, $userid)) {
    $last_seen = dbmfetch($dbm, $userid);
} else {
    dbminsert($dbm, $userid, time());
}
do_stuff();
dbmreplace($dbm, $userid, time());
dbmclose($dbm);

?>

Содержание
dblist --  Describes the DBM-compatible library being used
dbmclose -- Closes a dbm database
dbmdelete --  Deletes the value for a key from a DBM database
dbmexists --  Tells if a value exists for a key in a DBM database
dbmfetch --  Fetches a value for a key from a DBM database
dbmfirstkey --  Retrieves the first key from a DBM database
dbminsert --  Inserts a value for a key in a DBM database
dbmnextkey --  Retrieves the next key from a DBM database
dbmopen -- Opens a DBM database
dbmreplace --  Replaces the value for a key in a DBM database
Пред.НачалоСлед.
dbase_replace_recordУровень вышеdblist

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