您的位置:寻梦网首页编程乐园PHP 编程PHP5中文手册
PHP5中文手册

dbmexists

(PHP 4)

dbmexists — Tells if a value exists for a key in a DBM database

说明

bool dbmexists ( resource $dbm_identifier , string $key )

Returns TRUE if there is a value associated with the key .

参数

dbm_identifier

The DBM link identifier, returned by dbmopen().

key

The key, as a string

返回值

如果成功则返回 TRUE,失败则返回 FALSE

参见