打印多维数组的单项

Question

我的多维数组有一个问题。这里有两个问题:当我打印我的数组时，我得到每个对象两次。我的下一个问题是，我想要得到一个列的结果，例如: strProductNaam =>可调哑铃-Bowflex552i-2 to 24 kg。有人能帮帮我吗？

提前感谢！

<?php

require('php/connection.php');

$sql = "SELECT * FROM tblProduct";
$result = sqlsrv_query($conn,$sql);


if( $result === false ) {
     die( print_r( sqlsrv_errors(), true));
}

 while($row = sqlsrv_fetch_array($result)) {
        $datas[] = $row;
    }

echo '<pre>';
print_r($datas);
echo '</pre>';



foreach($datas as $data){
  echo $data['strProductNaam'] ." ";
}

sqlsrv_free_stmt($result);
sqlsrv_close($conn);

?>

之后的结果: print_r($datas)：

Array
(
    [0] => Array
        (
            [0] => 1
            [ID] => 1
            [1] => 1
            [CategorieID] => 1
            [2] => Adjustable Dumbbells - Bowflex 552i - 2 to 24 kg 
            [strProductNaam] => Adjustable Dumbbells - Bowflex 552i - 2 to 24 kg 
            [3] => 499
            [intPrijs] => 499
            [4] =>  Easy to adjust

            [strPlusPunt1] =>  Easy to adjust

            [5] => Saving space
            [strPlusPunt2] => Saving space
        )

    [1] => Array
        (
            [0] => 2
            [ID] => 2
            [1] => 1
            [CategorieID] => 1
            [2] => Dumbbell 15kg
            [strProductNaam] => Dumbbell 15kg
            [3] => 28.95
            [intPrijs] => 28.95
            [4] => Easy to expand

            [strPlusPunt1] => Easy to expand

            [5] => Easily adjustable
            [strPlusPunt2] => Easily adjustable
        )

Answer 1

这就是解决方案：

while($row = sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)) {
   $datas[] = $row;
}

echo '<pre>';
print_r($datas[1]['strProductNaam']);
echo '</pre>';

Answer 2

在sqlsrv_fetch_array中，将SQLSRV_FETCH_ASSOC作为第二个参数传递。这将只返回已命名的键，并删除数字。

while($row = sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC)) {
    $datas[] = $row['strProductNaam'];
}