Php/docs/function.dba-fetch
dba_fetch
(PHP 4, PHP 5, PHP 7)
dba_fetch — Fetch data specified by key
说明
dba_fetch
( string $key
, resource $handle
) : string
dba_fetch
( string $key
, int $skip
, resource $handle
) : string
dba_fetch() fetches the data specified by
key
from the database specified with
handle
.
参数
key
The key the data is specified by.
Note:
When working with inifiles this function accepts arrays as keys where index 0 is the group and index 1 is the value name. See: dba_key_split().
skip
The number of key-value pairs to ignore when using cdb databases. This value is ignored for all other databases which do not support multiple keys with the same name.
handle
The database handler, returned by dba_open() or dba_popen().
返回值
Returns the associated string if the key/data pair is found, false
otherwise.
参见
- dba_exists() - Check whether key exists
- dba_delete() - Delete DBA entry specified by key
- dba_insert() - Insert entry
- dba_replace() - Replace or insert entry
- dba_key_split() - Splits a key in string representation into array representation