php代码中全角数字转半角的方法:使用replace转换,代码为【for($i=0;$i<$fnlen;$i++) $fnum = str_replace($nums[$i],$fnums[$i],$fnum);】。
php代码中全角数字转半角的方法:
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 = 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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