Title: iis error implode
Last modified: August 20, 2016

---

# iis error implode

 *  Resolved [Carlos Vázquez](https://wordpress.org/support/users/carlos-vzquez/)
 * (@carlos-vzquez)
 * [13 years, 6 months ago](https://wordpress.org/support/topic/iis-error-implode/)
 * Wp in IIS7
    When trying to access the widgets panel ([http://www.example.com/wp-admin/widgets.php](http://www.example.com/wp-admin/widgets.php))
   I get the following error:
 * PHP Warning: _ implode() [[function.implode](https://wordpress.org/support/topic/iis-error-implode/function.implode?output_format=md)]:
   Invalid arguments passed in D:\webdir\www.example.com\Html\wp-content\plugins\
   widgets-controller\widgets\_controller.php on line 115_
 * **Solution**
 * Make sure that `$instance['xxxxx']` is an array. When none of the options is 
   selected, then there is NO such thing as `$instance['xxxxx']`!!!
 *     ```
       if( is_array($instance['xxxxx']) )
       {
         $xxxxx = implode(",", $instance['xxxxx']);
       }
       ```
   
 * example
 *     ```
       if( is_array($instance['posts']) )
       {
         $temposts = implode(",", $instance['posts']);
       }
       ```
   
 * and replacing
 * `current_posts="<?php echo implode("," , $instance['posts']); ?>"`
    for `current_posts
   ="<?php echo $temposts; ?>"`
 * [http://wordpress.org/extend/plugins/widgets-controller/](http://wordpress.org/extend/plugins/widgets-controller/)

The topic ‘iis error implode’ is closed to new replies.

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## Tags

 * [implode](https://wordpress.org/support/topic-tag/implode/)

 * 0 replies
 * 1 participant
 * Last reply from: [Carlos Vázquez](https://wordpress.org/support/users/carlos-vzquez/)
 * Last activity: [13 years, 6 months ago](https://wordpress.org/support/topic/iis-error-implode/)
 * Status: resolved