dba_firstkey Fetch first key


dba_firstkey

(PHP 4, PHP 5)

dba_firstkeyFetch first key

说明

string dba_firstkey ( resource $handle )

dba_firstkey() returns the first key of the database and resets the internal key pointer. This permits a linear search through the whole database.

参数

handle

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

返回值

Returns the key on success 或者在失败时返回 FALSE.

参见

  • dba_nextkey() - Fetch next key
  • dba_key_split() - Splits a key in string representation into array representation
  • Example 2 in the DBA examples


«  dba_fetch
» dba_handlers
快速导航

Copyright © 2016 phpStudy | 皖ICP备18014864号-4