dba_insert() - dba函数（数据库抽象层）

梵高2年前 (2023-11-21)阅读数 29#技术干货

文章标签返回值

dba_insert()

(PHP 4, PHP 5, PHP 7)

dba_insert() - dba函数（数据库抽象层）

Insert entry

说明

dba_insert(string $key,string $value,resource $handle): bool

dba_insert()inserts the entry described with$keyand$valueinto the database.

参数

$key

The key of the entry to be inserted. If this key already exist in the database, this function will fail. Use dba_replace() if you need to replace an existent key.

$value

The value to be inserted.

$handle

The database handler, returned by dba_open() or dba_popen().

返回值

成功时返回TRUE，或者在失败时返回FALSE。

参见

dba_exists()Check whether key exists
dba_delete()Delete DBA entry specified by key
dba_fetch()Fetch data specified by key
dba_replace()Replace or insert entry

berkeleydb example.

here is a good example for this;
 $dbh = dba_open( "./data/products", "c", "gdbm" ) 
    or die( "Couldn't open database" );
 
 dba_insert( "Sonic Screwdriver", "23.20", $dbh);
 dba_insert( "Tricorder", "55.50", $dbh);
 dba_insert( "ORAC AI", "2200.50", $dbh);
 dba_insert( "HAL 2000", "4500.50", $dbh);
 
 dba_close( $dbh );
 you may find more about the topic in this URL:
http://www.samspublishing.com /articles/article.asp?p=29742&seqNum=3&rl=1

内容声明：本文中引用的各种信息及资料（包括但不限于文字、数据、图表及超链接等）均来源于该信息及资料的相关主体（包括但不限于公司、媒体、协会等机构）的官方网站或公开发表的信息。部分内容参考包括:(百度百科,百度知道,头条百科,中国民法典,刑法,牛津词典,新华词典,汉语词典,国家院校,科普平台)等数据,内容仅供参考使用,不准确地方联系删除处理！本站为非盈利性质站点,本着为中国教育事业出一份力,发布内容不收取任何费用也不接任何广告!)