把全角数字转为半角数字
<?php 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]; } return $fnum; } //实例应用 echo getalabnum('6'); // 6
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