dba_fetch() - dba函数(数据库抽象层)
dba_fetch()
(PHP 4, PHP 5, PHP 7)
Fetch data specified by key
说明
dba_fetch(string $key,resource $handle): stringdba_fetch(string $key,int $skip,resource $handle): stringdba_fetch()fetches the data specified by$keyfrom the database specified with$handle.
参数
$keyThe key the data is specified by.
Note:When working with inifiles this function accepts arrays as keys where index 0 is the group and index 1 is the value name. See:dba_key_split().$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.
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 existsdba_delete()
Delete DBA entry specified by keydba_insert()
Insert entrydba_replace()
Replace or insert entrydba_key_split()
Splits a key in string representation into array representation
:: fetch array sort. ex) TEST_DATA.DB 1/korea/5000/word 1 10/japan/25000/word 10 21/china/130000/word 21 2/usa/35000/word 2 ::result:: 1/korea/5000/word 1 2/usa/35000/word 2 10/japan/25000/word 10 21/china/130000/word 21
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