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POExpected argument of type array or Traversable and ArrayAccess, object given
 

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    <p>I have a problem with my form,i have this error every time i want to save a comment : </p> <blockquote> <p>Expected argument of type array or Traversable and ArrayAccess, object given </p> </blockquote> <p>firstly i create my class commentType : </p> <pre><code> public function buildForm(FormBuilder $builder, array $options) { $builder -&gt;add('comment', 'textarea') -&gt;add('commentedName', 'text') -&gt;add('idNews','hidden', array('error_bubbling'=&gt;true)) -&gt;add('country', 'text') -&gt;add('email','email') -&gt;add('captcha', 'captcha'); } </code></pre> <p>I customise my form :</p> <pre><code> public function getDefaultOptions(array $options){ $collectionConstraint = new Collection (array ( 'email' =&gt; new Email(array('message' =&gt; 'invalid address email')), 'commentedName' =&gt; array(new MaxLength(array('limit' =&gt; 30, 'message' =&gt; ''))), 'comment' =&gt; array(new MinLength(array('limit' =&gt; 20, 'message' =&gt; ''))), 'country' =&gt; new MinLength(array('limit' =&gt; 3, 'message' =&gt; '')), 'idNews' =&gt; array(new MaxLength(array('limit' =&gt; 30, 'message' =&gt; ''))), )); return array('validation_constraint' =&gt; $collectionConstraint); } </code></pre> <p>then in my controller i call my form and i save data in DB :</p> <pre><code>$comment = new \Mybundle\BackendBundle\Entity\Comments(); $form = $this-&gt;createForm(new \Mybundle\MainBundle\Form\CommentType(), $comment); $request = $this-&gt;get('request'); if ($request-&gt;getMethod() == 'POST') { $form-&gt;bindRequest($request); if ($form-&gt;isValid()) { $idNews= $this-&gt;getDoctrine() -&gt;getRepository('Mybundle\BackendBundle\Entity\News') -&gt;find($id); $comment-&gt;setIdNews($idNews); $em = $this-&gt;getDoctrine()-&gt;getEntityManager(); $em-&gt;persist($comment); $em-&gt;flush(); return $this-&gt;redirect($this-&gt;generateUrl('News',array('id' =&gt; $id,'slug'=&gt;$slug))); </code></pre> <p>and in my twig i do : </p> <pre><code>&lt;table style="float: right;" &gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;{{ form_widget(form.commentedName) }} &lt;/td&gt; &lt;td&gt;{{ form_label(form.commentedName, "name") }}&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="comment-error"&gt;{{ form_errors(form.commentedName) }}&lt;/TD&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;{{ form_widget(form.country) }} &lt;/td&gt; &lt;td&gt;{{ form_label(form.country, "country") }}&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="comment-error"&gt;{{ form_errors(form.country) }}&lt;/TD&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="large_text"&gt;{{ form_widget(form.email) }} &lt;/td&gt; &lt;td&gt;{{ form_label(form.email, "address") }}&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="comment-error"&gt;{{ form_errors(form.email) }}&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;{{ form_widget(form.comment) }} &lt;/td&gt; &lt;td&gt;{{ form_label(form.comment, "comment") }}&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="comment-error"&gt;{{ form_errors(form.comment) }}&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;{{ form_widget(form.captcha) }} &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td class="comment-error"&gt;{{ form_errors(form) }}&lt;/td&gt; &lt;/tr&gt; </code></pre> <p> </p> <p>I remark when i change in my cotroller the object "$comment" with "null" in the line above i didn't have the error but i can"t save data in database...</p> <p>Anyone have an idea?</p>
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