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.
dba_delete
(PHP 4, PHP 5, PHP 7, PHP 8)
dba_delete — Delete DBA entry specified by key
说明
dba_delete() deletes the specified entry from the database.
参数
-
key -
The key of the entry which is deleted.
-
dba -
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
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User Contributed Notes 1 note
swain at panix dot com ¶
23 years ago
