How to used wp-editor in front end

Hello,

I am in trouble.
I would like to manage a wysiwyg editor in a front end form. I want to permit my users (without connexion) to write a text in the wysiwyg editor.

For that, I used the worpdress function wp-editor.
Below my code
————————————————————————
$content = “”;
$editor_id = ‘result_description’;
$settings = array(
‘wpautop’ => false,
‘media_buttons’ => false,
‘textarea_name’ => ‘result_description’,
‘textarea_rows’ => 15,
‘teeny’ => true,
‘tinymce’=> array(
‘toolbar1’=>bold,italic,underline,bullist,numlist,formatselect,fontsizeselect’ ),
‘quicktags’ => false
) ;

wp_editor( $content, $editor_id, $settings );
———————————————————————

With this code I can see the wysiwyg editor in the form but the problem is when I submit my form. I used POST method to fill the post_content of my custom post.
$content = $_POST[‘event_description’];

–> My variable $content stay empty.

For information I installed the plugins Tinymce for the front back.
Morever, I have the following js error on my page: Uncaught ReferenceError: getUserSetting is not defined – plugin.min.js?wp-mce-4107-20150118:1. So maybe is linked.

Do you have any idea to solve my problem?How can I do to include a wysiwyg editor in my form and get the value filled?

Best regards,

Gwen