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POHow to add Ajax capabilites to Symfony
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  1. POHow to add Ajax capabilites to Symfony
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    copied!<p>I have a set of sessions in a page, which I want to remove using AJAX. i.e click on a link, and without having to navigate for a new page, just remove the session, and show a message on success. </p> <p>Now, as per the given answer (<em>which still did not work for me</em>), I have the following:</p> <p><strong>Controller</strong></p> <pre><code>use Symfony\Component\HttpFoundation\JsonResponse; //.. public function ajaxRemoveSessionAction() { $session = $this-&gt;getRequest()-&gt;getSession(); $session-&gt;remove('name'); return new JsonResponse(array('success' =&gt; true)); } </code></pre> <p><strong>routing:</strong></p> <pre><code>ajax_remove_session: pattern: /remove-session defaults: { _controller: FooTestBundle:Page:ajaxRemoveSession } </code></pre> <p><strong>twig:</strong></p> <pre><code>&lt;a href="#" id="remove_session"&gt;Remove session&lt;/a&gt; &lt;script type="text/javascript"&gt; $(document).ready(function() { $('#remove_session').click(function(){ event.preventDefault(); $.ajax({ url: {{ url('ajax_remove_session') }}, cache: false, success: function(result){ $(".success").append(result); } }); }); }); &lt;/script&gt; </code></pre> <hr> <h1><strong>UPDATING QUESTION:</strong></h1> <p>With all the codes found in the the routing, controller and template </p> <hr> <blockquote> <p>Controller: PageController.php</p> </blockquote> <p>/src/Simon/TestBundle/Controller/PageController.php</p> <pre><code>&lt;?php namespace Simon\TestBundle\Controller; use Symfony\Bundle\FrameworkBundle\Controller\Controller; use Symfony\Component\HttpFoundation\Session\Session; use Symfony\Component\HttpFoundation\JsonResponse; class PageController extends Controller { public function helloAction($name) { $session = new Session(); $session-&gt;start(); $session-&gt;get('name', 'Drak'); $session-&gt;get('name'); $session-&gt;getFlashBag()-&gt;add('notice', 'Profile Updated'); $messages = null; foreach($session-&gt;getFlashBag()-&gt;get('notice', array()) as $message){ $messages = $message; } return $this-&gt;render('SimonTestBundle:Page:index.html.twig', array('name' =&gt; $name.' '.$messages)); } public function ajaxRemoveSessionAction() { // Destroy the desired session $session = $this-&gt;getRequest()-&gt;getSession(); $session-&gt;remove('name'); return new JsonResponse(array('success' =&gt; true)); } } </code></pre> <blockquote> <p>Template: Twig template</p> </blockquote> <p>/src/Simon/TestBundle/Resources/views/Page/index.html.twig</p> <pre><code>{% extends 'SimonTestBundle::layout.html.twig' %} {% block body %} &lt;a href="#" id="remove_session"&gt;Remove session&lt;/a&gt; &lt;script type="text/javascript"&gt; $('#remove_session').click(function(e){ e.preventDefault(); $.ajax({ url: {{ url('ajax_remove_session') }}, cache: false, success: function(html){ // do something on success } }).fail(function(event){ console.log(event); }); }); }); &lt;/script&gt; {% endblock %} </code></pre> <blockquote> <p>Routing: </p> </blockquote> <p>/src/Simon/TestBundle/Resources/config/routing.yml</p> <pre><code>simon_test_homepage: pattern: /hello/{name} defaults: { _controller: SimonTestBundle:Page:hello } ajax_remove_session: pattern: /remove-session defaults: { _controller: SimonTestBundle:Page:ajaxRemoveSession } </code></pre>
 

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