SEO trait

common.php

<?php 
abstract class Controller_Common extends Controller
{
        use Traits_ItemSeo;
        
        public function after()
	{
	        $view->title = $this->getMetaTitle();
                $view->description = $this->getMetaDescription();
                $view->socialTitle = $this->getSocialTitle() ?: $this->getMetaTitle();
                $view->footerDescription = $this->getFooterDescription();
	}


}

itemseo.php

<?php


/**
 * Class Traits_ItemSeo
 */
trait Traits_ItemSeo {

	/**
	 * @var <meta name="description"> tag value
	 */
	public $description;
	/**
	 * @var <title> tag value
	 */
	public $title;

	/**
	 * @var
	 */
	private $socialTitle;

	/**
	 * @var
	 */
	private $_footerDescription;

	/**
	 * @return mixed
	 */
	public function getFooterDescription()
	{
		return $this->_footerDescription;
	}

	/**
	 * @param mixed $footerDescription
	 */
	public function setFooterDescription($footerDescription)
	{
		$this->_footerDescription = $this->persistText($footerDescription);
	}

	/**
	 * @return mixed
	 */
	public function getSocialTitle()
	{
		return $this->socialTitle;
	}

	/**
	 * @param mixed $socialTitle
	 */
	public function setSocialTitle($socialTitle)
	{
		$this->socialTitle = $this->persistText($socialTitle);
	}

	/**
	 * Set <title> tag value
	 */
	protected function setMetaTitle($value)
	{
		$this->title = $this->persistText($value);
	}

	/**
	 * @return mixed
	 */
	protected function getMetaTitle()
	{
		return $this->title;
	}

	/**
	 * Set <meta name="description"> tag value
	 */
	protected function setMetaDescription($value)
	{
		$this->description = $this->persistText($value);
	}

	/**
	 * @return mixed
	 */
	protected function getMetaDescription()
	{
		return $this->description;
	}



	/**
	 * @param $text
	 *
	 * @return mixed
	 */
	private function persistText($text)
	{
		return str_replace('"', '\'', htmlspecialchars_decode($text, ENT_QUOTES));
	}

	/**
	 * Set title and meta description with pagination
	 * @param array $paginator
	 */
	public function setPaginationAttributes($paginator)
	{
		if($paginator['prev']) {
			$this->setPaginationLink('prev', $paginator['prev']);
		}
		if($paginator['next']) {
			$this->setPaginationLink('next', $paginator['next']);
		}

		$page = Request::get('page',false);

		if($page) {
			$this->setMetaTitle($this->getMetaTitle() . ' - Сторінка ' . $page);
			$this->setMetaDescription($this->getMetaDescription() . ' - Сторінка ' . $page);
		}
	}

	/**
	 * Helper method for pagination.
	 * @param string $type next|prev
	 * @param        $url
	 */
	public function setPaginationLink($type = 'next', $url)
	{
		switch($type) {
			case 'next':
				$this->view->paginationNext = $url;
				break;
			case 'prev':
				$this->view->paginationPrev = $url;
				break;
		}
	}
}