php获取从html表单传递数组的方法

<form method="post" action="arrayformdata.php">
<label>Tags</label>
<input type="text" name="tags[]"/>
<input type="text" name="tags[]"/>
<input type="text" name="tags[]"/>
<input type="text" name="tags[]"/>
<input type="text" name="tags[]"/>
<input type="submit" value="submit">
</form>
</html>

<?php
$postedtags = $_POST['tags'];
foreach ($postedtags as $tag){
  echo "<br />$tag";
}
?>