dba_fetch

(PHP 4, PHP 5)

dba_fetch — Fetch data specified by key

Описание

string dba_fetch ( string $key , resource $handle )
string dba_fetch ( string $key , int $skip , resource $handle )

dba_fetch() fetches the data specified by key from the database specified with handle .

Список параметров

key

The key the data is specified by.

Замечание: 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().

Возвращаемые значения

Returns the associated string if the key/data pair is found, FALSE otherwise.

Список изменений

Версия Описание
4.3 The skip parameter is available to support cdb's capability of multiple keys having the same name.

Коментарии

:: 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])); # 키번호 
   
$name  trim(chop($oData[1])); # 이름 
   
$count trim(chop($oData[2])); # 수
   
$word  trim(chop($oData[3])); # 설명

   
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
2010-12-05 07:11:11
http://php5.kiev.ua/manual/ru/function.dba-fetch.html

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