此行导致此错误:
floatval(($sumResult[0]/$total)*100);
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抛出:
警告:在第44行的/testfile.php中除以零
如何才能显示此错误?
if ($total<>0) {
floatval(($sumResult[0]/$total)*100);
} else {
# what do you want to do if total=0?
}
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