savoir s'il y a des produits dans related

if (!empty ($this->modules) && is_array($this->modules)) {
			jimport('application.module.helper');
			foreach ($this->modules as $module) {
				if($module->title == 'RELATED_PRODUCTS'){
					echo '<div class="hk-other-color hk-other-color-related"><span class="hk-add-to-cart hk-other-color-title">' . JText::_('RELATED_PRODUCTS') . '</span><div class="hk-other-color-imgs">';
					echo JModuleHelper::renderModule($module);
					echo '</div>';
					echo '</div>';
				}				
			}
		}