Question

我在这里得到了这个PHP代码......

$totalBalance = 0;
    foreach($resultArray as $row) {
        foreach($row as $key =>$field) {
            echo $field['remaining'] . "<br>";
        }
    }

$ resultArray是从我的SQL查询返回到数组的内容。

天平colunm的前几个记录是..

389.96 6433.66 52.52 107.25

然而，当我运行这个PHP代码时，我得到了

1 五 1 3

为什么要这样做，我该如何解决？

如果有帮助，这是SQL查询

SELECT c.clientid, c.clientname, c.billingdate, 
case when (select ifnull(sum(total), 0) from invoice i
where i.client = c.clientid and i.isdeleted = 0) - (select ifnull(sum(p.amount), 0) from payment p inner join invoice i on p.invoice = i.invoiceid
where i.client = c.clientid and i.isdeleted = 0) < 0 then (select ii.total from invoice ii where ii.client = c.clientid and ii.isdeleted=0 order by ii.invoiceid desc limit 1)  else (select ifnull(sum(total), 0) from invoice i
where i.client = c.clientid and i.isdeleted = 0) - (select ifnull(sum(p.amount), 0) from payment p inner join invoice i on p.invoice = i.invoiceid
where i.client = c.clientid and i.isdeleted = 0) end as remaining,
case c.isactive+0
        when '1' then 'Stop'
        else 'Start' 
        end as Active
FROM client c 
ORDER BY clientname

我做了一个$ resultArray的print_r并得到了这个......

Array ( [0] => Array ( [clientid] => 1 [clientname] => client A [billingdate] => 14 [remaining] => 389.96 [active] => Stop ) [1] => Array ( [clientid] => 178 [clientname] => client B [billingdate] => 23 [remaining] => 6433.66 [active] => Stop ) [2] => Array ( [clientid] => 3 [clientname] => client C [billingdate] => 19 [remaining] => 52.52 [active] => Stop ) [3] => Array ( [clientid] => 105 [clientname] => client D [billingdate] => 23 [remaining] => 107.25 [active] => Start )

Answer 1

你正在做许多人：

$totalBalance = 0;

foreach($resultArray as $row) {
  echo $row['remaining'] . "<br>";        
}

如果你想计算总平衡：

$totalBalance = 0;

foreach($resultArray as $row) {
  echo $row['remaining'] . "<br>";        
  $totalBalance += $row['remaining'] ; 
}

echo $totalBalance . "<br>";

Answer 2

<?php
$results = array( array('balance'=>123.45), array('balance'=>32.12));

$total = 0;

foreach( $results as $row )
{
    $total+=$row['balance'];
}

echo $total;
?>

输出：

155.57

Answer 3

来自print_r的

不应该是：

$totalBalance = 0;
    foreach($resultArray as $row) {
        foreach($row as $key =>$field) {
            echo $field['remaining'] . "<br>";
        }
    }

而不是：

$totalBalance = 0;
    foreach($resultArray as $row) {
        foreach($row as $key =>$field) {
            echo $field['balance'] . "<br>";
        }
    }

PHP回显每条记录并得到总数

3 个答案: