php多文本框提交

<form action="" method="post">
<input type=text name=name[]><input type=text name=sex[]><br/>
<input type=text name=name[]><input type=text name=sex[]><br/>
<input type="Submit" value=" 提交" size="50"/>
</form>
然后php页面，
<?php
        mysql_connect("localhost","root","password");
        mysql_select_db("databasename");
        mysql_query("set names 'utf8'");
 
        $name=$_POST['name'];
        $sex=$_POST['sex'];
        foreach($name as $key=>$value){
                mysql_query("insert into test(name,sex) values('$value','".$sex[$key]."')");
 
        }
 
?>