我有一个文本区,里面有文本和一些数字,比如
<textarea name="text">
Ut wisi enim ad minim veniam, 1 qui's nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. 55 "Duis autem" vel eum iriure dolor in hendrerit 9ds88 in futurum.
</textarea>
当我提交时,如何获得该文本区域中所有数字的总和?
$str = "Ut wisi enim ad minim veniam, 1 qui's nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. 55 '"Duis autem'" vel eum iriure dolor in hendrerit 9ds88 in futurum.";
preg_match_all('~'d+~', $str, $matches);
$sum = array_sum($matches[0]);
echo $sum;
要对来自post的数据求和,请使用$_POST['text']
而不是$str
我可能做得很慢,但我会:
$words=explode(" ",$_REQUEST['text']);
$sum=0;
foreach($words as $w){
if(is_numeric($w)){
$sum+=$w;
}
}