下面的代码是查找总价。但我想算这个$ row ['price']
total = 0;
while($row = mysqli_fetch_array($result)){
$price= $row['price'];
$total += $price;
}
echo 'total: ', $total;
发布于 2018-09-29 13:34:33
使用其键是价格的关联数组。
$total = 0;
$price_counts = array();
while($row = mysqli_fetch_array($result)){
$price= $row['price'];
$total += $price;
if (isset($price_counts[$price])) {
$price_counts[$price]++;
} else {
$price_counts[$price] = 1;
}
}
echo 'total: ', $total, '<br>';
echo 'prices: <br><pre>';
print_r($price_counts);
echo '</pre>';
发布于 2018-09-29 14:29:24
我可以使用下面的代码来计算吗?
while($ row = mysqli_fetch_array($ result)){
$ price2 = array($ row ['price']);
} echo'total:',$ price2;
https://stackoverflow.com/questions/-100002812
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