Maison >développement back-end >tutoriel php >php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;$i<count($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