如何存储MySQL到PHP数组的结果?

I tried storing data to php array from mysql using under code. But it's not working. This code:

我尝试在代码中使用mysql将数据存储到php数组中。但这不是工作。这段代码:

echo $answerArray[count][i];

shows the correct result. But this code:

显示正确的结果。但这段代码:

echo $answerArray[0][0];

doesn´t show anything.

并´t展示什么。

What should I do to fix it? Thank you.

我该怎么做才能修好它?谢谢你！

Full code:

完整的代码:

   $count = 0; //answer count
   $answerArray = array();
    while ($row = mysqli_fetch_array($resultFromR, MYSQLI_ASSOC)) { //add array from db
     for($i = 0; $i < $questionNumber; $i++) {
     $j = $i + 1;
     $answerArray[count][i] = $row["num$j"];
     echo $answerArray[count][i]; //is working.
     }
$count++;
}
echo '<br />';
echo $answerArray[0][0]; //something wrong!!! I cannot get anything from this.

2 个解决方案

#1

maybe this will work

也许这将工作

 $answerArray[$count][$i] = $row["num$j"];

(add $ before count and i)

(在计数和i之前增加$)

#2

Not sure but shouldn't the [i] be [$i]?

不确定，但[i]不应该是[$i]吗?

#1