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<?php
namespace Bridge\Shortcodes\Lib;
/**
* Class ShortcodeLoader
*/
class ShortcodeLoader {
/**
* @var private instance of current class
*/
private static $instance;
/**
* @var array
*/
private $loadedShortcodes = array();
/**
* Private constuct because of Singletone
*/
private function __construct() {
}
/**
* Private sleep because of Singletone
*/
private function __wakeup() {
}
/**
* Private clone because of Singletone
*/
private function __clone() {
}
/**
* Returns current instance of class
* @return ShortcodeLoader
*/
public static function getInstance() {
if(self::$instance == null) {
return new self;
}
return self::$instance;
}
/**
* Adds new shortcode. Object that it takes must implement ShortcodeInterface
*
* @param ShortcodeInterface $shortcode
*/
private function addShortcode(ShortcodeInterface $shortcode) {
if(!array_key_exists($shortcode->getBase(), $this->loadedShortcodes)) {
$this->loadedShortcodes[$shortcode->getBase()] = $shortcode;
}
}
/**
* Adds all shortcodes.
*
* @see ShortcodeLoader::addShortcode()
*/
private function addShortcodes() {
$shortcodes_class_name = apply_filters('qode_add_vc_shortcode', $shortcodes_class_name = array());
sort($shortcodes_class_name);
if(!empty($shortcodes_class_name)) {
foreach($shortcodes_class_name as $shortcode_class_name) {
$this->addShortcode(new $shortcode_class_name);
}
}
}
/**
* Calls ShortcodeLoader::addShortcodes and than loops through added shortcodes and calls render method
* of each shortcode object
*/
public function load() {
$this->addShortcodes();
foreach($this->loadedShortcodes as $shortcode) {
add_shortcode($shortcode->getBase(), array($shortcode, 'render'));
}
}
}
$shortcodeLoader = ShortcodeLoader::getInstance();
$shortcodeLoader->load();
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