Re: CakePHP - Warning - Cannot modify header information - headers already sent by
Very good Marcus Silva work fine :).
On Thursday, October 16, 2008 6:05:54 PM UTC+7, Marcus Silva wrote:
>
> Try removing any hidden character you may have after the php closing
> tag (?>).
>
> Example:
>
> ?>remove anything after the tag
>
> Hope it helps
>
> Cheers
>
> Marcus
>
>
> On Oct 16, 11:31 am, imu wrote:
> >
>
>
>
> >
> > controller file is messages_controller.php
> >
> >
>
>
>
> > > class MessagesController extends AppController{
> > var $name = 'Messages';
> >
> >var $helpers = array (
> > 'Html',
> > 'Form',
> > 'Time'
> > );
> >
> > function index($id = null ){
> > if (!$id) {
> > $this->Session->setFlash('Invalid Topic');
> > $this->redirect(array (
> > 'action' => 'index'
> > ), null, true);
> > }
> > $this->Message->recursive = 1;
> >
> > $messages = $this->Message->find('all',
> > array( 'conditions' => array( 'topic_id' => $id ),'order' =>
> > 'Message.id DESC') );
> > $this->set('topic_id',$id);
> > $this->set('messages',$messages);
> > }
> >
> > function add($id = null) {
> > if (!empty ($this->data)) {
> > $this->Message->create();
> > if ($this->Message->save($this->data)) {
> >
> > $this->Session->setFlash('The message has been
> > added');
> > $this->redirect(array (
> > 'action' => 'index'
> > ), null, true);
> >} else {
> > $this->Session->setFlash('message posting
> > failed. Try again.');
> > }
> > }
> > $users = $this->Message->User->find('list');
> > $this->set('topic_id',$id);
> > $this->set('users',$users);
> > }
> >
> > }
> > ?>
> >
> >
> -
>
>
> >
> > My view file is messages folders in views as add.ctp
> >
> >
> -
>
>
> >
> > create('Message',array( 'url' => 'add/'.
> > $topic_id ));?>
> >
> > New topic
> >> echo $form->input('message_text');
> > echo $form->input('user_id');
> > echo $form->hidden('topic_id',array( 'value' => $topic_id));
> > ?>
> >
> > end('post a message');?>
> >
> > > echo $html->link('Go back', array('action'=>'index'));
> > ?>
> >
> >
> -
>
>
> >
> > When I fill up the add form and submit.
> > The data gets inserted into the messages table without any hiccups.
> >
> > But I get an error during redirection back to the index page like this
> >
> >
>
>
>
> >
> > Warning (2): Cannot modify header information - headers already sent
> > by (output started at /opt/lampp/htdocs/cake/message_board/app/
> > controllers/messages_controller.php:115) [CORE/cake/libs/controller/
> > controller.php, line 587]
> >
> > Code | Context
> >
> > $status = "Location:http://localhost/cake/message_board/messages";
> >
> > header - [internal], line ??
> > Controller::header() - CORE/cake/libs/controller/controller.php, line
> > 587
> > Controller::redirect() - CORE/cake/libs/controller/controller.php,
> > line 568
> > MessagesController::add() - APP/controllers/messages_controller.php,
> > line 54
> > Object::dispatchMethod() - CORE/cake/libs/object.php, line 116
> > Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 259
> > Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 213
> > [main] - APP/webroot/index.php, line 90
> >
> >
> ---
>
>
> > The redirection to the index page fails.
> >
> > The parameters supplied in the form in add.ctp was as I expected
> > "messages/add/1" which you can see the below code
> >
> ---
>
>
> > > value="POST" />
> > New topic
>
Re: CakePHP - Warning - Cannot modify header information - headers already sent by
Thanks Marcus
Now its working.
On Oct 16, 4:05 pm, Marcus Silva <[EMAIL PROTECTED]> wrote:
> Try removing any hidden character you may have after the php closing
> tag (?>).
>
> Example:
>
> ?>remove anything after the tag
>
> Hope it helps
>
> Cheers
>
> Marcus
>
> On Oct 16, 11:31 am, imu <[EMAIL PROTECTED]> wrote:
>
> >
>
> > controller file is messages_controller.php
>
> >
> > > class MessagesController extends AppController{
> > var $name = 'Messages';
>
> >var $helpers = array (
> > 'Html',
> > 'Form',
> > 'Time'
> > );
>
> > function index($id = null ){
> > if (!$id) {
> > $this->Session->setFlash('Invalid Topic');
> > $this->redirect(array (
> > 'action' => 'index'
> > ), null, true);
> > }
> > $this->Message->recursive = 1;
>
> > $messages = $this->Message->find('all',
> > array( 'conditions' => array( 'topic_id' => $id ),'order' =>
> > 'Message.id DESC') );
> > $this->set('topic_id',$id);
> > $this->set('messages',$messages);
> > }
>
> > function add($id = null) {
> > if (!empty ($this->data)) {
> > $this->Message->create();
> > if ($this->Message->save($this->data)) {
>
> > $this->Session->setFlash('The message has been
> > added');
> > $this->redirect(array (
> > 'action' => 'index'
> > ), null, true);
> >} else {
> > $this->Session->setFlash('message posting
> > failed. Try again.');
> > }
> > }
> > $users = $this->Message->User->find('list');
> > $this->set('topic_id',$id);
> > $this->set('users',$users);
> > }
>
> > }
> > ?>
>
> > -
>
> > My view file is messages folders in views as add.ctp
>
> > -
>
> > create('Message',array( 'url' => 'add/'.
> > $topic_id ));?>
> >
> > New topic
> >> echo $form->input('message_text');
> > echo $form->input('user_id');
> > echo $form->hidden('topic_id',array( 'value' => $topic_id));
> > ?>
> >
> > end('post a message');?>
>
> > > echo $html->link('Go back', array('action'=>'index'));
> > ?>
>
> > -
>
> > When I fill up the add form and submit.
> > The data gets inserted into the messages table without any hiccups.
>
> > But I get an error during redirection back to the index page like this
>
> >
>
> > Warning (2): Cannot modify header information - headers already sent
> > by (output started at /opt/lampp/htdocs/cake/message_board/app/
> > controllers/messages_controller.php:115) [CORE/cake/libs/controller/
> > controller.php, line 587]
>
> > Code | Context
>
> > $status = "Location:http://localhost/cake/message_board/messages";
>
> > header - [internal], line ??
> > Controller::header() - CORE/cake/libs/controller/controller.php, line
> > 587
> > Controller::redirect() - CORE/cake/libs/controller/controller.php,
> > line 568
> > MessagesController::add() - APP/controllers/messages_controller.php,
> > line 54
> > Object::dispatchMethod() - CORE/cake/libs/object.php, line 116
> > Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 259
> > Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 213
> > [main] - APP/webroot/index.php, line 90
>
> > ---
> > The redirection to the index page fails.
>
> > The parameters supplied in the form in add.ctp was as I expected
> > "messages/add/1" which you can see the below code
> > ---
> > > value="POST" />
> > New topic
> > ---
>
> > Please, help me out with this problem??
>
> > Thank you
>
> > Imranullah Mohammed
--~--~-~--~-
Re: CakePHP - Warning - Cannot modify header information - headers already sent by
Try removing any hidden character you may have after the php closing
tag (?>).
Example:
?>remove anything after the tag
Hope it helps
Cheers
Marcus
On Oct 16, 11:31 am, imu <[EMAIL PROTECTED]> wrote:
>
>
> controller file is messages_controller.php
>
>
> class MessagesController extends AppController{
> var $name = 'Messages';
>
>var $helpers = array (
> 'Html',
> 'Form',
> 'Time'
> );
>
> function index($id = null ){
> if (!$id) {
> $this->Session->setFlash('Invalid Topic');
> $this->redirect(array (
> 'action' => 'index'
> ), null, true);
> }
> $this->Message->recursive = 1;
>
> $messages = $this->Message->find('all',
> array( 'conditions' => array( 'topic_id' => $id ),'order' =>
> 'Message.id DESC') );
> $this->set('topic_id',$id);
> $this->set('messages',$messages);
> }
>
> function add($id = null) {
> if (!empty ($this->data)) {
> $this->Message->create();
> if ($this->Message->save($this->data)) {
>
> $this->Session->setFlash('The message has been
> added');
> $this->redirect(array (
> 'action' => 'index'
> ), null, true);
>} else {
> $this->Session->setFlash('message posting
> failed. Try again.');
> }
> }
> $users = $this->Message->User->find('list');
> $this->set('topic_id',$id);
> $this->set('users',$users);
> }
>
> }
> ?>
>
> -
>
> My view file is messages folders in views as add.ctp
>
> -
>
> create('Message',array( 'url' => 'add/'.
> $topic_id ));?>
>
> New topic
> echo $form->input('message_text');
> echo $form->input('user_id');
> echo $form->hidden('topic_id',array( 'value' => $topic_id));
> ?>
>
> end('post a message');?>
>
>echo $html->link('Go back', array('action'=>'index'));
> ?>
>
> -
>
> When I fill up the add form and submit.
> The data gets inserted into the messages table without any hiccups.
>
> But I get an error during redirection back to the index page like this
>
>
>
> Warning (2): Cannot modify header information - headers already sent
> by (output started at /opt/lampp/htdocs/cake/message_board/app/
> controllers/messages_controller.php:115) [CORE/cake/libs/controller/
> controller.php, line 587]
>
> Code | Context
>
> $status = "Location:http://localhost/cake/message_board/messages";
>
> header - [internal], line ??
> Controller::header() - CORE/cake/libs/controller/controller.php, line
> 587
> Controller::redirect() - CORE/cake/libs/controller/controller.php,
> line 568
> MessagesController::add() - APP/controllers/messages_controller.php,
> line 54
> Object::dispatchMethod() - CORE/cake/libs/object.php, line 116
> Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 259
> Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 213
> [main] - APP/webroot/index.php, line 90
>
> ---
> The redirection to the index page fails.
>
> The parameters supplied in the form in add.ctp was as I expected
> "messages/add/1" which you can see the below code
> ---
> value="POST" />
> New topic
> ---
>
> Please, help me out with this problem??
>
> Thank you
>
> Imranullah Mohammed
--~--~-~--~~~---~--~~
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