弄了个检测传输的参数是否为数字的Function
- WBOYOriginal
- 2016-06-13 12:35:431246browse
/*判断专传输数据是否为数字
用正则表达式判断输入的数字是否合法
调用:checknum(参数1，参数2)
*/
复制代码 代码如下:
function checknum($id,$say)
{
$inid=$id;
if(!ereg("^(-{0,1}|\+{0,1})[0-9]+(\.{0,1}[0-9]+)$",$inid))
{
echo $say.",入口:"."".$inid."";
exit;
}
}
调用
复制代码 代码如下:
$tid="111fff";
checknum($tid,"数字非法")
?>
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