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How do I change the ID of a copy of an exposed filter?

I’m using answers from Expose a view's filters both in a block, and in the actual view to duplicate an exposed filter as a block and make it appear in another region on every page.

I want to style both form copies a bit differently. When I started to look into the markup, I noticed that I’m getting two forms with identical IDs. Putting aside the styling, that’s not good.
The code I am using is the following.

function MYMODULE_block_view($delta = ''){   $block = array();   switch($delta){     case 'mysearch':       $block['subject'] = t('My Search');       $block['content'] = _MYMODULE_get_exposed_filter_form();        break;   }   return $block; }  /** Function to get the Exposed filter form **/ function _MYMODULE_get_exposed_filter_form(){   $view = views_get_view('node_index_view');   $view->set_display('page');   $view->init_handlers();   $exposed_form = $view->display_handler->get_plugin('exposed_form');   return $exposed_form->render_exposed_form(); }

How do I alter the ID of the copied exposed filter block? If I use hook_form_alter() or hook_form_views_exposed_form_alter() it’s going to apply the alteration to both instances.

This article was republished from its original source.
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How do I change the ID of a copy of an exposed filter?

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