PDO throws notification: Undefined index when using fetchAll in WHILE loop

I'm new to the PHP world and need a little help here. I am trying to fetch data from a database, I am using PDO for this. I have the following PHP code without success, dropping the error notification:

$pairingsistem='1'; 
$pecahan='1';

if($pairingsistem == "1"){

$skrg=time();
$tablaz = $pdo->query("SELECT * FROM tb_gh where saldo > 0 and status='pending' order by id ASC limit 0,1");
while ($registroz = $tablaz ->fetchAll(PDO::FETCH_ASSOC)){ 
//use $results   
$kurirz=$registroz["username"]; //line 47 starts here
$biayaz=$registroz["saldo"];
$idnyaz=$registroz["id"];
$bankeem=$registroz["bank"];
$norekeem=$registroz["norek"];
$bitcoineem=$registroz["bitcoin"];
$pmeem=$registroz["perfectmoney"];
$fasapayeem=$registroz["fasapay"];
$namaeem=$registroz["nama"];
$phoneeem=$registroz["phone"];
$emaileem=$registroz["email"];
$paketzeem=$biayaz*$pecahan;
$surabaya=$paketzeem/$pecahan;
//shortline

      

Note: Undefined index: username at / home / u 427750052 / public_html / automatch.inc.php on line 47

Note: Undefined index: saldo in / home / u 427750052 / public_html / automatch.inc.php on line 48

Note: Undefined index: id in / home / u 427750052 / public_html / automatch.inc.php on line 49

Note: Undefined index: bank in / home / u 427750052 / public_html / automatch.inc.php on line 50

Note: Undefined index: norek at / home / u 427750052 / public_html / automatch.inc.php on line 51

Note: Undefined index: bitcoin at / home / u 427750052 / public_html / automatch.inc.php on line 52

Note: Undefined index: perfectmoney at / home / u 427750052 / public_html / automatch.inc.php on line 53

Note: Undefined index: fasapay in / home / u 427750052 / public_html / automatch.inc.php on line 54

Note: Undefined index: nama in / home / u 427750052 / public_html / automatch.inc.php on line 55

Note: Undefined index: phone at / home / u 427750052 / public_html / automatch.inc.php on line 56

Note: Undefined index: email at / home / u 427750052 / public_html / automatch.inc.php on line 57

These were the warnings. Although I have problems that I could within my knowledge of this so far.

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1 answer


Yours while

and fetchAll

throw you back here. You need to either loop fetch

or fetchAll

and then iterate over the result you get.

So either:

while ($registroz = $tablaz ->fetch(PDO::FETCH_ASSOC)){ 

      

or



$registroz = $tablaz ->fetchAll(PDO::FETCH_ASSOC);
foreach($registroz as $row) {

      

but since you are only returning one row, you don't need a loop or fetchAll

.

$registroz = $tablaz ->fetch(PDO::FETCH_ASSOC);

      

must do the trick.

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