(PHP 4, PHP 5)
dba_fetch — Fetch data specified by key
$key
, resource $handle
)$key
, int $skip
, resource $handle
)
dba_fetch() fetches the data specified by
key
from the database specified with
handle
.
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().
Returns the associated string if the key/data pair is found, FALSE
otherwise.
版本 | 说明 |
---|---|
4.3.0 |
The skip parameter is available to support
cdb's capability of multiple keys having the same name.
|
khan666 at lycos dot co dot kr (2010-12-05 05:11:11)
:: 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
<?php
# LIST SORT
$DB4_DATABASE = "TEST_DATA.DB4";
$DIV = "/";
$_FILE = "$DATA_DIR/HUTM_NETWORK_ROUTER.DB"; // DB4 FileName
$db = dba_open($DB4_DATABASE,"r","db4");
$key = dba_firstkey($db);
$ii = 0;
while($key != NULL)
{
$LIST[$ii] = explode($DIV,dba_fetch($key, $db)); // fetch array
$key = dba_nextkey($db);
$ii++;
}
dba_close($db);
$total = $ii; // total count
# date sort
sort($LIST,SORT_NUMERIC); // numeric key sort ..
# list display
for($i=0;$i<$total;$i++)
{
$oData = explode($DIV,$LIST[$i]); // key + value (sort)
$key = trim(chop($oData[0])); # ???
$name = trim(chop($oData[1])); # ??
$count = trim(chop($oData[2])); # ?
$word = trim(chop($oData[3])); # ??
echo "$key / $name / $count / $word <br>\r\n";
}
?>
::result::
1/korea/5000/word 1
2/usa/35000/word 2
10/japan/25000/word 10
21/china/130000/word 21