php代码把全角数字转为半角数字

2018-09-07 14:28

阅读:321

  //把全角数字转为半角数字
functionGetAlabNum($fnum){
$nums=array(0,1,2,3,4,5,6,7,8,9,.,-,+,:);
$fnums=array(0,1,2,3,4,5,6,7,8,9,.,-,+,:);
$fnlen=count($fnums);
for($i=0;$i<$fnlen;$i++)$fnum=str_replace($nums[$i],$fnums[$i],$fnum);
$slen=strlen($fnum);
$oknum=;
for($i=0;$i<$slen;$i++){
if(ord($fnum[$i])>0x80)$i++;
else$oknum.=$fnum[$i];
}
if($oknum==)$oknum=0;
return$oknum;
}


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