Кнопка "Показать фильтр"

<?php $user = cmsUser::getInstance(); ?>
<?php if (!isset($is_expanded)){ $is_expanded = false; } unset($filters['user_id']); ?>
<?php $form_url = is_array($page_url) ? $page_url['base'] : $page_url; $form_url_sep = strpos($form_url, '?') === false ? '?' : '&'; ?>
 
<div class="dataset-row" id="datasets">
  <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseFilter" aria-expanded="false" aria-controls="collapseExample">
    <i class="material-icons">filter_list</i> <?php echo LANG_SHOW_FILTER; ?>
  </button>
 
<div class="collapse <?php if($is_expanded){ ?>in<?php } ?>" id="collapseFilter">
	<div class="card card-content">
		<form action="<?php echo $form_url; ?>" method="get">
								<?php echo html_input('hidden', 'page', 1); ?>
								<?php if(!empty($ext_hidden_params)){ ?>
									<?php foreach($ext_hidden_params as $fname => $fvalue){ ?>
										<?php echo html_input('hidden', $fname, $fvalue); ?>
										<?php if($filters){ $filters[$fname] = $fvalue; } ?>
									<?php } ?>
								<?php } ?>
								<div class="fields">
									<?php $fields_count = 0; ?>
									<?php foreach($fields as $name => $field){ ?>
										<?php if (!$field['is_in_filter']){ continue; } ?>
										<?php if (!empty($field['filter_view']) && !$user->isInGroups($field['filter_view'])) { continue; } ?>
										<?php $value = isset($filters[$name]) ? $filters[$name] : null; ?>
										<?php $output = $field['handler']->setItem(array('ctype_name' => $css_prefix, 'id' => null))->getFilterInput($value); ?>
										<?php if (!$output){ continue; } ?>
										<?php $fields_count++; ?>
										<div class="field ft_<?php echo $field['type']; ?> f_<?php echo $field['name']; ?>">
											<div class="title"><?php echo $field['title']; ?></div>
 
												<?php echo $output; ?>
 
										</div>
									<?php } ?>
									<?php if (!empty($props_fields)){ ?>
										<?php foreach($props as $prop){ ?>
											<?php
												if (!$prop['is_in_filter']){ continue; }
												$fields_count++;
												$field = $props_fields[$prop['id']];
												$field->setName("p{$prop['id']}");
												if ($prop['type'] == 'list' && !empty($prop['options']['is_filter_multi'])){ $field->setOption('filter_multiple', true); }
												if ($prop['type'] == 'number' && !empty($prop['options']['is_filter_range'])){ $field->setOption('filter_range', true); }
												$value = isset($filters["p{$prop['id']}"]) ? $filters["p{$prop['id']}"] : null;
											?>
											<div class="field ft_<?php echo $prop['type']; ?> f_prop_<?php echo $prop['id']; ?>">
												<div class="title"><?php echo $prop['title']; ?></div>
 
													<?php echo $field->getFilterInput($value); ?>
 
											</div>
										<?php } ?>
									<?php } ?>
								</div>
								<?php if ($fields_count) { ?>
									<div class="buttons">
										<?php echo html_submit(LANG_FILTER_APPLY); ?>
										<?php if (sizeof($filters)){ ?>
											<div class="link">
												<a href="<?php echo ((is_array($page_url) && !empty($page_url['cancel'])) ? $page_url['cancel'] : $form_url); ?>">
													<?php echo LANG_CANCEL; ?>
												</a>
											</div>
											<div class="link">
												# <a href="<?php echo $form_url.$form_url_sep.http_build_query($filters); ?>"><?php echo LANG_FILTER_URL; ?></a>
											</div>										
											<!-- uru -->
											<?php
												$hooks_html = cmsEventsManager::hookAll('content_filter_buttons_html', array($css_prefix, $form_url, $filters));
												if ($hooks_html) { echo html_each($hooks_html); }
											?>
											<!-- uru -->										
										<?php } ?>
									</div>
								<?php } ?>
							</form>	
	</div>
</div>	
</div>	
 

 
<button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseFilter" aria-expanded="false" aria-controls="collapseExample">
    <i class="material-icons">filter_list</i> <?php echo LANG_SHOW_FILTER; ?>
  </button>
 

<div class="collapse <?php if($is_expanded){ ?>in<?php } ?>" id="collapseFilter">

<div class="collapse in" id="collapseFilter">