全角数字转为半角数字

[php]代码库

//把全角数字转为半角数字
function GetAlabNum($fnum)
{
    $nums = array("０", "１", "２", "３", "４", "５", "６", "７", "８", "９");
    $fnums = "0123456789";
    for($i = 0; $i <= 9; $i++) $fnum = str_replace($nums[$i], $fnums[$i], $fnum);
    $fnum = ereg_replace("[^0-9\.]|^0{1,}", "", $fnum);
    if($fnum == "") $fnum = 0;
    return $fnum;
}