searchform.php

<?php
/**
* The template for the search form.
*
* @package WordPress
* @subpackage FAU
* @since FAU 1.0
*/
?>

<form method="get" class="searchform" action="<?php echo fau_esc_url(home_url( '/' ))?>">
    <h2 class="screen-reader-text"><?php echo esc_html(get_theme_mod('title_hero_search')); ?></h2>
	<div class="search-text">
    <?php 
	    $randid= wp_rand(1,100);
		$labelid= 'widgetsearchinput-'.$randid;
	?>
	    <label for="<?php echo $labelid;?>"><?php _e('Geben Sie hier den Suchbegriff ein, um in diesem Webauftritt zu suchen:','fau'); ?></label>
	    <span class="searchicon"> </span>
	    <input type="text" id="<?php echo $labelid;?>" value="<?php the_search_query(); ?>" name="s" placeholder="<?php _e('Suchen nach...','fau'); ?>">
	    <input enterkeyhint="search" type="submit" value="<?php _e('Finden','fau'); ?>">
	</div>
	<?php 
	if (get_theme_mod('search_allowfilter')) {
	    
	    if (is_single() || is_category() || is_tag() || is_tax() ) {
            // Only Posts please :)
            echo '<input type="hidden" name="post_type[]" value="post">'."\n";		
	    } else {
            $listtypes = fau_get_searchable_fields(); // get_theme_mod('search_post_types');
            $autosearch_types =  get_theme_mod('search_post_types_checked');
            foreach ($listtypes as $type) {
               if (in_array($type, $autosearch_types)) { 
                echo '<input type="hidden" name="post_type[]" value="'.$type.'">'."\n";				   
               }
            }
	    }
	} ?>
</form>