If I have the following code which grabs an array
of values and adds them all together, how can I then round them down to the nearest 10000 using PHP?
Here's the code I currently have
$rows = $db->get("sales");
$sales = 0;
foreach($rows as $row) {
$stock = $sales + $row['sales'];
}
return $sales;
An example result would be
146740
How could I then make that returned as
140000
Although if I had a number greater than 1 million , how could I have that returned as just 1 million ?
Divide by 10000, use floor
to round down to an integer, then multiply by 10000:
$x = 146740;
$x = 10000 * floor($x/10000);
Or subtract the remainer:
$x = 146740;
$x = $x - ($x % 10000);
To extend this to 1 million, you can do:
if ($x > 1000000) {
$divisor = 1000000;
} elseif ($x > 10000) {
$divisor = 10000;
} else {
$divisor = 1;
}
$x = $x - ($x % divisor);
你可以将值除以1000.如果它是整数146740/1000 = 146.然后乘以1000将得到146000
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