dba_delete()

(PHP 4, PHP 5, PHP 7)

Delete DBA entry specified by key

说明

dba_delete(string $key,resource $handle): bool

dba_delete() deletes the specified entry from the database.

参数

$key

The key of the entry which is deleted.

$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_fetch()Fetch data specified by key
• dba_insert()Insert entry
• dba_replace()Replace or insert entry

Note that the memory is lost after doing this. If you had a key 'foo' with a value of 1000 bytes, that 1000 bytes is lost, and the DB file size will reflect this.