JSFiddle - React, Tailwind, and code Playground

HTML

//the selectbuild edition 

 if($tax == 'restaurants-features'){

        $x = '<div name ="'. $tax .'" class="checkbox-filters">';
        foreach ($terms as $term) {
            $checked = '';
            if ( in_array( $term->slug, 'restaurants-features' ) ) {
                $checked = 'checked';
            }
            $x .= '<div class="col-sm-6"><input class="hidden-checkbox" type="checkbox" name ="' . $tax . '[]" value="' . $term->slug . '" ' . $checked . '  /><span> ' . $term->name . '</span></div>';
        }
       $x .= '</div>';
       
       //the query edition 
             foreach($_POST as $key => $value){
                if($value != ''){
                    $item['taxonomy'] = htmlspecialchars($key);
		    if($key == 'restaurants-features'){
			foreach($value as $v) {
				$item['terms'][] = htmlspecialchars($v);
			}
		
		   }
                    $item['terms'] = $value;
                    $item['field'] = 'slug';
                    $list[] = $item;
                }
		
            }