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<?php |
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namespace Silk\Support; |
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abstract class Shortcode |
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{ |
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/** |
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* The attributes passed to the shortcode |
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* @var array |
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*/ |
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protected $attributes; |
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/** |
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* The enclosed content within the shortcode |
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* @var string |
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*/ |
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protected $content; |
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/** |
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* The shortcode tag that was called |
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* @var string |
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*/ |
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protected $tag; |
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/** |
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* Shortcode Constructor. |
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* |
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* @param array $atts Shortcode attributes |
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* @param string $content The inner (enclosed) content |
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* @param string $tag The called shortcode tag |
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*/ |
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public function __construct($atts, $content, $tag) |
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{ |
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$this->attributes = $atts; |
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$this->content = $content; |
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$this->tag = $tag; |
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} |
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/** |
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* Register a tag for this shortcode. |
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* |
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* @param mixed $tag The tag to register with this shortcode class |
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*/ |
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public static function register($tag) |
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{ |
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add_shortcode((string) $tag, [static::class, 'controller']); |
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} |
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/** |
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* WordPress Shortcode Callback |
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* |
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* @param mixed $atts Shortcode attributes |
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* @param string $content The inner (enclosed) content |
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* @param string $tag The called shortcode tag |
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* |
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* @return static |
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*/ |
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public static function controller($atts, $content, $tag) |
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{ |
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return (new static((array) $atts, $content, $tag))->render(); |
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} |
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/** |
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* Call the shortcode's handler and return the output. |
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* |
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* @return mixed Rendered shortcode output |
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*/ |
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public function render() |
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{ |
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$dedicated_method = "{$this->tag}_handler"; |
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if (method_exists($this, $dedicated_method)) { |
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return $this->$dedicated_method(); |
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} |
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return $this->handler(); |
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} |
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/** |
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* Catch-all render method. |
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* |
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* @return string |
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*/ |
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protected function handler() |
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{ |
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return ''; // Override this in a sub-class |
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} |
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/** |
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* Get all attributes as a collection. |
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* |
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* @return Collection |
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*/ |
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public function attributes() |
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{ |
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return new Collection($this->attributes); |
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} |
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} |
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aaemnnosttv /
silk
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