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Creating & accessing arrays from MySQLi Recordsets

Thread began 3/18/2016 7:46 am by Dave Buchholz | Last modified 3/21/2016 6:49 pm by Ray Borduin | 191 views | 4 replies |

Dave BuchholzBeta Tester

Creating & accessing arrays from MySQLi Recordsets

so my recordset looks like this

$rsDataSet = new WA_MySQLi_RS("rsDataSet",$connMySQLi,5);
$rsDataSet->setQuery("SELECT tbl_products.pkSKU, tbl_products.CommonBrandName, tbl_products.ModelDescription, tbl_products.SKU, tbl_products.ColorDescription, tbl_products.MSRP FROM tbl_products");
$rsDataSet->execute();

Doing a print_r on $rsDataSet shows me that the recordset results are held in an array called Results:

print '<pre>';
print_r($rsDataSet);
print '</pre>';
WA_MySQLi_RS Object
(
[Connection] => mysqli Object
(
[affected_rows] => -1
[client_info] => 5.5.42
[client_version] => 50542
[connect_errno] => 0
[connect_error] =>
[errno] => 0
[error] =>
[field_count] => 6
[host_info] => Localhost via UNIX socket
[info] =>
[insert_id] => 0
[server_info] => 5.5.42
[server_version] => 50542
[stat] => Uptime: 251213 Threads: 7 Questions: 12860 Slow queries: 0 Opens: 216 Flush tables: 1 Open tables: 209 Queries per second avg: 0.051
[sqlstate] => 00000
[protocol_version] => 10
[thread_id] => 138
[warning_count] => 0
)

[CurrentPage] => /test-files/mysqli/index.php
[Debug] => 1
[FilterValues] => Array
(
)

[Index] => 0
[LastRow] => 15
[MaxRows] => 5
[Name] => rsDataSet
[NextPage] => 3
[PageNum] => 2
[ParamTypes] => Array
(
)

[ParamValues] => Array
(
)

[ParamDefaults] => Array
(
[0] => -1
[1] => -1
[2] => -1
[3] => -1
)

[PrevPage] => 1
[QueryString] => &totalRows_rsDataSet=207
[Results] => Array
(
[0] => Array
(
[pkSKU] => 128879
[CommonBrandName] => Weber
[ModelDescription] => Performer® Silver Charcoal Grill
[SKU] => 1401001
[ColorDescription] => Black
[MSRP] => 0.00
)

[1] => Array
(
[pkSKU] => 127609
[CommonBrandName] => Weber
[ModelDescription] => Performer® Charcoal Grill
[SKU] => 1411001BK
[ColorDescription] => Black
[MSRP] => 0.00
)

[2] => Array
(
[pkSKU] => 105603
[CommonBrandName] => Weber
[ModelDescription] => Performer® Charcoal Grill
[SKU] => 1421001PERF
[ColorDescription] => Black
[MSRP] => 0.00
)

[3] => Array
(
[pkSKU] => 112433
[CommonBrandName] => Weber
[ModelDescription] => Performer® Charcoal Grill
[SKU] => 1424001
[ColorDescription] => Brick Red
[MSRP] => 0.00
)

[4] => Array
(
[pkSKU] => 112434
[CommonBrandName] => Weber
[ModelDescription] => Performer® Charcoal Grill
[SKU] => 1427001
[ColorDescription] => Green
[MSRP] => 0.00
)

)

[StartLimit] => 10
[StartRow] => 11
[Statement] => SELECT tbl_products.pkSKU, tbl_products.CommonBrandName, tbl_products.ModelDescription, tbl_products.SKU, tbl_products.ColorDescription, tbl_products.MSRP FROM tbl_products
[Table] =>
[TotalPages] => 41
[TotalRows] => 207
)


And I have found I can create an array like so:
$DataSet = $rsDataSet->Results;

But what I would like to do if possible is create an array using only one of the fields, pkSKU in this case but I can't seem to get the code correct, is this possible and if so how do I access it ?

Thanks

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Christopher WestCommunity Expert

Hey Dave long time since we last spoke. I wondered if you could use something like what I have done (obviously my code was for a different purpose but its taking a single field from a recordset as an array and outputting it. I wondered if taking a look at my code and seeing how it works can help you solve your question?

php:
<?php require_once('../Connections/ecartdb.php'); ?>

<?php 
require_once('../webassist/mysqli/rsobj.php'); ?>
<?php
header
('Content-Type: text/csv; charset=utf-8');
header('Content-Disposition: attachment; filename=emails.csv');

$output fopen('php://output''w');

$rows = new WA_MySQLi_RS("rows",$ecartdb,0);
$rows->setQuery("SELECT NewsLetterEmail FROM newsletter");
$rows->execute();

while(!
$rows->atEnd()) {
    
    
$row = array($rows->getColumnVal("NewsLetterEmail"));


fputcsv($output$row);

$rows->moveNext();
}
$rows->moveFirst(); //return RS to first record
?>



Regards
Chris

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Dave BuchholzBeta Tester

Hi Chris, hope you are well.

I am looking to see if I can use the "shorthand" method rather than having to loop through the recordset to create the array but thanks for your input.

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Ray BorduinWebAssist

You could loop through the Results array directly like:

php:
<?php

$pkSKUArray 
= array(); 
for (
$x=0$x<sizeof($rsDataSet->Results); $x++) {
  
$pkSKUArray[] = $rsDataSet->Results[$x]['pkSKU'];
}
?>
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Dave BuchholzBeta Tester

now why didn't I think of that, thank you Ray that is exactly what I am looking for.

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