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<?php |
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/* |
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* This file is part of the Tadcka package. |
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* |
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* (c) Tadas Gliaubicas <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Tadcka\Component\Breadcrumbs; |
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/** |
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* @author Tadas Gliaubicas <[email protected]> |
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* |
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* @since 10/30/14 11:20 PM |
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*/ |
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class Breadcrumb implements \Iterator, \Countable |
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{ |
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/** |
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* @var array |
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*/ |
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private $items = array(); |
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/** |
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* {@inheritdoc} |
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*/ |
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public function current() |
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{ |
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return current($this->items); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function next() |
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{ |
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next($this->items); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function key() |
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{ |
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return key($this->items); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function valid() |
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{ |
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return isset($this->items[$this->key()]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rewind() |
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{ |
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reset($this->items); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count() |
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{ |
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return count($this->items); |
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} |
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/** |
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* Add item. |
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* @param string $title |
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* @param string $url |
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* @param bool $truncate |
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*/ |
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public function add($title, $url = null, $truncate = true) |
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{ |
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$this->items[] = array( |
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'title' => $truncate ? $this->truncate($title) : $title, |
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'url' => $url, |
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); |
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} |
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/** |
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* @param int $key |
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* |
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* @return array|null |
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*/ |
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public function get($key) |
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{ |
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return isset($this->items[$key]) ? $this->items[$key] : null; |
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} |
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/** |
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* Truncate string. |
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* |
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* @param string $string |
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* @param int $length |
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* @param string $separator |
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* |
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* @return string |
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*/ |
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protected function truncate($string, $length = 30, $separator = '...') |
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{ |
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if (mb_strlen($string) > $length) { |
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return rtrim(mb_substr($string, 0, $length)) . $separator; |
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} |
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return $string; |
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} |
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} |
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tadcka /
Breadcrumbs
