$ items ['data'] = array(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15);
$ tax = 10;
$ j = 5;
$ k = 1;
for($ i = 0; $ i
echo $items['data'][$i];
}
$ j = $ j + 5;
echo“
”。$ tax * $ k。“
”;
$ k = $ k + 1;
for($ i = 5; $ i
echo $items['data'][$i];
}
$ j = $ j + 5;
echo“
”。$ tax * $ k。“
”;
$ k = $ k + 1;
for($ i = 10; $ i
echo $items['data'][$i];
}
$ j = $ j + 5;
echo“
”。$ tax * $ k。“
”;
$ k = $ k + 1;
,
这应该有助于计算因子。什么是$ type?
$items['qty'] = 24;
$tax = 10;
$floorFactor = floor($items['qty'] / 5);
$factor = $floorFactor === 0 ? 1 : $floorFactor;
echo '$floorFactor is ' . floor($items['qty'] / 5);
$tax += $items['qty'] * $factor;
echo "<br > tax is $tax <br />";
,
有很多方法可以做到这一点,您可能不需要循环(3行代码可能就足够了),但是您想要循环就可以尝试这样的事情。您所询问的是一个循环:
$ j按数字顺序增加1,因此每次乘以5的倍数时,乘数都会增加10(您的税),直到$ items ['qty']中的值。
$ multiplicator在开始时等于10,然后在循环中每5项将增加10,对于维护而言,如果更改税额,则只需更改此一项。
($ j%5)=== 0)用于检查$ j是否为5的倍数,如果您决定要更改更多或更少的项目,则此处维护时需要更改此倍数。税。
$multiplicator = 10;
for($j = 1; $j <= $items['qty']; $j++){
if(($j % 5) === 0){
$multiplicator += 10;
}
//echo $j."-".$multiplicator."<br>"; // to check how it works
}
//$tax += $items[$type] + $multiplicator; // I would finish like that but i don't know what is $type
// so to match your multiplication number in $tax += $items[$type] * x you need the code below as well
//(($multiplicator/10)-1) is to match your multiplication numbers in your code as $tax += $items[$type] * x;
if((($multiplicator/10)-1) == 0){
$tax += $items[$type]; // less than 5 items
}
else{
$tax += $items[$type] * (($multiplicator/10)-1); // 5 items and above
}
,
最后,我使用数组函数和foreach循环实现了这一点。这可能是一个很长的代码,但我无法很快实现。
if ($items['qty'] >= 5){
$tax += $items[$type]; // $items[$type] is a tax that is being fetched from the product table
// Calculation Start
$keys = range(1,25);
$num = range($items['qty'],$items['qty'] + 5);
$a = array_fill_keys($keys,$num);
foreach ($a as $keys => $endnum) {
if ($endnum[$keys] % 5 == 0) {
if($items['qty'] >= $items['qty'] && $items['qty'] < $endnum[$keys]){
$range = range(5,10000,5);
$count = array_search($endnum[$keys],$range);
$tax += $items[$type] * $count;
}
break;
}
}
// Calculation Ends
}else{
$tax += $items[$type];
}
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