input输入框的name相同 小程序怎么解决

<?php

if(isset($_POST[‘submit’])){

$users = $_POST[‘user’];

$nums = $_POST[‘num’];

foreach($users as $key=>$val){

echo ‘user ‘,$key,’ = ‘,$val,’<br />’;

}

}

?>

<form method=“post”>

型号=<input type=“text” name=“user[]” value=“” /> 数量=<input type=“text” name=“num[]” value=“” /><br />

型号=<input type=“text” name=“user[]” value=“” /> 数量=<input type=“text” name=“num[]” value=“” /><br />

型号=<input type=“text” name=“user[]” value=“” /> 数量=<input type=“text” name=“num[]” value=“” /><br />

<input type=“submit” name=“submit” value=“提交” />

</form>