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<?php |
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namespace LaraComponents\Seo\Entities; |
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use Countable; |
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class Keywords implements Countable |
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{ |
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/** |
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* @var array |
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*/ |
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protected $items = []; |
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/** |
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* @var int |
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*/ |
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protected $maxWords; |
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/** |
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* Create a new keywords instance. |
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* |
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* @param array $config |
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*/ |
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public function __construct(array $config = []) |
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{ |
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$this->initConfig($config); |
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} |
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/** |
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* Init config. |
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* |
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* @param array $config |
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* @return void |
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*/ |
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protected function initConfig(array $config) |
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{ |
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$this->setMaxWords(isset($config['max_words']) ? $config['max_words'] : 0); |
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if(isset($config['default'])) { |
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$this->set($config['default']); |
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} |
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} |
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public function setMaxWords($max) |
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{ |
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$this->maxWords = (int) $max; |
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return $this; |
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} |
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public function getMaxWords() |
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{ |
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return $this->maxWords; |
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} |
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public function add($items) |
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{ |
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$items = $this->clean($items); |
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$this->items = array_merge(array_diff($items, $this->items), $this->items); |
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} |
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public function set($items) |
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{ |
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$this->items = $this->clean($items); |
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} |
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public function get() |
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{ |
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return $this->maxWords > 0 && $this->count() > $this->maxWords |
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? array_slice($this->items, 0, $this->maxWords) |
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: $this->items; |
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} |
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public function clear() |
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{ |
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$this->items = []; |
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} |
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public function count() |
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{ |
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return count($this->items); |
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} |
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protected function clean($items) |
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{ |
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$items = ! is_array($items) ? explode(',', $items) : $items; |
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return array_map(function ($item) { |
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return trim(strip_tags($item)); |
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}, $items); |
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} |
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public function toString() |
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{ |
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return implode(', ', $this->get()); |
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} |
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public function __toString() |
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{ |
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return $this->toString(); |
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} |
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} |
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LaraComponents /
seo
