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dba_fetch

(PHP 4, PHP 5)

dba_fetchFetch data specified by key

Descrizione

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.

Elenco dei parametri

key

The key the data is specified by.

Nota:

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().

Valori restituiti

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

Log delle modifiche

Versione Descrizione
4.3.0 The skip parameter is available to support cdb's capability of multiple keys having the same name.

Vedere anche:

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User Contributed Notes 1 note

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1
khan666 at lycos dot co dot kr
3 years ago
:: 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
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