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<?php |
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namespace EventEspresso\core\domain\services\helpers; |
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use EE_Error; |
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use EE_Registry; |
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use EES_Shortcode; |
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use ReflectionClass; |
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use WP; |
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defined('EVENT_ESPRESSO_VERSION') || exit; |
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/** |
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* Class Shortcodes |
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* Description |
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* |
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* @package Event Espresso |
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* @author Brent Christensen |
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* @since $VID:$ |
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*/ |
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class ShortcodeHelper |
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{ |
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/** |
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* @type EE_Registry $registry |
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* @access protected |
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*/ |
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protected $registry; |
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/** |
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* Shortcodes constructor. |
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* |
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* @param EE_Registry $registry |
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*/ |
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public function __construct(EE_Registry $registry) |
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{ |
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$this->registry = $registry; |
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} |
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/** |
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* get classname, remove EES_prefix, and convert to UPPERCASE |
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* |
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* @param string $class_name |
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* @return string |
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*/ |
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public static function generateShortcodeTagFromClassName($class_name) |
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{ |
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return strtoupper(str_replace('EES_', '', $class_name)); |
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} |
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/** |
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* add EES_prefix and Capitalize words |
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* |
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* @param string $tag |
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* @return string |
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*/ |
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public static function generateShortcodeClassNameFromTag($tag) |
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{ |
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// order of operation runs from inside to out |
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// 5) maybe add prefix |
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return ShortcodeHelper::addShortcodeClassPrefix( |
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// 4) find spaces, replace with underscores |
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str_replace( |
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' ', |
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'_', |
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// 3) capitalize first letter of each word |
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ucwords( |
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// 2) also change to lowercase so ucwords() will work |
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strtolower( |
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// 1) find underscores, replace with spaces so ucwords() will work |
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str_replace( |
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'_', |
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' ', |
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$tag |
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) |
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) |
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) |
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) |
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); |
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} |
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/** |
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* maybe add EES_prefix |
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* |
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* @param string $class_name |
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* @return string |
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*/ |
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public static function addShortcodeClassPrefix($class_name) |
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{ |
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return strpos($class_name, 'EES_') === 0 ? $class_name : 'EES_' . $class_name; |
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} |
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/** |
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* @return array |
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*/ |
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public function getEspressoShortcodeTags() |
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{ |
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static $shortcode_tags = array(); |
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if (empty($shortcode_tags)) { |
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$shortcode_tags = array_keys((array)$this->registry->shortcodes); |
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} |
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return $shortcode_tags; |
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} |
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/** |
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* @param string $content |
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* @return string |
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*/ |
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public function doShortcode($content) |
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{ |
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foreach ($this->getEspressoShortcodeTags() as $shortcode_tag) { |
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if (strpos($content, $shortcode_tag) !== false) { |
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$shortcode_class = ShortcodeHelper::generateShortcodeClassNameFromTag($shortcode_tag); |
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$this->initializeShortcode($shortcode_class); |
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} |
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} |
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return do_shortcode($content); |
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} |
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/** |
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* given a shortcode name, will instantiate the shortcode and call it's run() method |
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* |
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* @param string $shortcode_class |
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* @param WP $wp |
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*/ |
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public function initializeShortcode($shortcode_class = '', WP $wp = null) |
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{ |
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// don't do anything if shortcode is already initialized |
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if ($this->registry->shortcodes->{$shortcode_class} instanceof EES_Shortcode){ |
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return; |
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} |
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// let's pause to reflect on this... |
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$sc_reflector = new ReflectionClass(ShortcodeHelper::addShortcodeClassPrefix($shortcode_class)); |
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// ensure that class is actually a shortcode |
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if ( |
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defined('WP_DEBUG') |
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&& WP_DEBUG === true |
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&& ! $sc_reflector->isSubclassOf('EES_Shortcode') |
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) { |
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EE_Error::add_error( |
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sprintf( |
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__( |
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'The requested %s shortcode is not of the class "EES_Shortcode". Please check your files.', |
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'event_espresso' |
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), |
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$shortcode_class |
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), |
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__FILE__, |
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__FUNCTION__, |
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__LINE__ |
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); |
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add_filter('FHEE_run_EE_the_content', '__return_true'); |
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return; |
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} |
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global $wp; |
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// and pass the request object to the run method |
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$this->registry->shortcodes->{$shortcode_class} = $sc_reflector->newInstance(); |
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// fire the shortcode class's run method, so that it can activate resources |
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$this->registry->shortcodes->{$shortcode_class}->run($wp); |
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} |
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} |
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// End of file Shortcodes.php |
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// Location: EventEspresso\core\domain\services\helpers/Shortcodes.php |
eventespresso /
event-espresso-core
