function getalabnum($fnum)
{
$nums = array("０","１","２","３","４","５","６","７","８","９","＋","－","％","．");
$fnums = "0123456789+-%.";
for($i=0;$i<count($nums);$i++){
if($nums[$i]==$fnum) return $fnums[$i];
}//开源代码phpfensi.com
return $fnum;
}
//实例应用
echo getalabnum('６'); // 6
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