dba_fetch
(PHP 4, PHP 5, PHP 7, PHP 8)
dba_fetch — Fetch data specified by key
說明
dba_fetch(string
$key, resource $handle): stringdba_fetch(string
$key, int $skip, resource $handle): string dba_fetch() fetches the data specified by key from the database specified with handle.
參數
-
key The key the data is specified by.
注意:
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.
參見
- 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