let's see a scene：
i have a Posts controller， and the controller has a view action.
<?php
class PostsController extends AppController {
var $name = 'Posts';
var $helpers = array('Html', 'Form');
function view($id = null) {
if (!$id) {
$this->Session->setFlash(__('Invalid Post.', true));
$this->redirect(array('action'=>'index'));
}
$this->set('post', $post = $this->Post->read(null, $id););
}
}
?>
the user can use the url /posts/view/1 visit a post.
but when the view parameter is wrong , like /posts/view/wrong, or /
posts/view/999999999 , then the
$post = $this->Post->read(null, $id); will get a null value.
in this situation , i want show user a 404 error message , tell the
user the requested url is not exist!
how to do this! thanks!
i'm using the cakephp 1.2 rc1.
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