EE_System::nocache_headers() - Code Metrics - Inspection of "Daily Inspection: remove benchmarking; [touch:9548..." - eventespresso/event-espresso-core - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Branch — BUG-9548-transaction-completio... (b1c41e)

unknown
created 2016-04-06 21:09 UTC
EE_System::nocache_headers() A

↳ Parent: EE_System
Complexity

Conditions	1
Paths	1
Size

Total Lines	3
Code Lines	2
Duplication

Lines	0
Ratio	0 %
Metric	Value
dl	0
loc	3
rs	10
cc	1
eloc	2
nc	1
nop	0
<?php if ( ! defined('EVENT_ESPRESSO_VERSION')) exit('No direct script access allowed');
/**
 * Event Espresso
 *
 * Event Registration and Management Plugin for WordPress
 *
 * @ package		Event Espresso
 * @ author		Event Espresso
 * @ copyright	(c) 2008-2011 Event Espresso  All Rights Reserved.
 * @ license		http://eventespresso.com/support/terms-conditions/   * see Plugin Licensing *
 * @ link			http://www.eventespresso.com
 * @ version		4.0
 *
 * ------------------------------------------------------------------------
 *
 * EE_System
 *
 * @package		Event Espresso
 * @subpackage	core/
 * @author		Brent Christensen, Michael Nelson
 *
 * ------------------------------------------------------------------------
 */
final class EE_System {


	/**
	 *    instance of the EE_System object
	 *
	 * @var    $_instance
	 * @access    private
	 */
	private static $_instance = null;

	/**
	 * @access    protected
	 * @type    $config EE_Registry
	 */
	protected $registry;

	/**
	 * @access    protected
	 * @type    $config EE_Config
	 */
	protected $config;

	/**
	 * indicates this is a 'normal' request. Ie, not activation, nor upgrade, nor activation.
	 * So examples of this would be a normal GET request on the frontend or backend, or a POST, etc
	 */
	const req_type_normal = 0;
	/**
	 * Indicates this is a brand new installation of EE so we should install
	 * tables and default data etc
	 */
	const req_type_new_activation = 1;
	/**
	 * we've detected that EE has been reactivated (or EE was activated during maintenance mode,
	 * and we just exited maintenance mode). We MUST check the database is setup properly
	 * and that default data is setup too
	 */
	const req_type_reactivation = 2;
	/**
	 * indicates that EE has been upgraded since its previous request.
	 * We may have data migration scripts to call and will want to trigger maintenance mode
	 */
	const req_type_upgrade = 3;
	/**
	 * TODO  will detect that EE has been DOWNGRADED. We probably don't want to run in this case...
	 */
	const req_type_downgrade = 4;

	/**
	 * @deprecated since version 4.6.0.dev.006
	 * Now whenever a new_activation is detected the request type is still just
	 * new_activation (same for reactivation, upgrade, downgrade etc), but if we'r ein maintenance mode
	 * EE_System::initialize_db_if_no_migrations_required and EE_Addon::initialize_db_if_no_migrations_required
	 * will instead enqueue that EE plugin's db initialization for when we're taken out of maintenance mode.
	 * (Specifically, when the migration manager indicates migrations are finished
	 * EE_Data_Migration_Manager::initialize_db_for_enqueued_ee_plugins() will be called)
	 */
	const req_type_activation_but_not_installed = 5;

	/**
	 * option prefix for recording the activation history (like core's "espresso_db_update") of addons
	 */
	const addon_activation_history_option_prefix = 'ee_addon_activation_history_';

	/**
	 * Stores which type of request this is, options being one of the constants on EE_System starting with req_type_*.
	 * It can be a brand-new activation, a reactivation, an upgrade, a downgrade, or a normal request.
	 * @var int
	 */
	private $_req_type;



	/**
	 *	@singleton method used to instantiate class object
	 *	@access public
	 *	@return EE_System
	 */
	public static function instance() {
		// check if class object is instantiated
		if ( ! self::$_instance instanceof EE_System ) {
			self::$_instance = new self();
		}
		return self::$_instance;
	}


	/**
	 * resets the instance and returns it
	 * @return EE_System
	 */
	public static function reset(){
		self::$_instance->_req_type = NULL;
		//we need to reset the migration manager in order for it to detect DMSs properly
		EE_Data_Migration_Manager::reset();
		//make sure none of the old hooks are left hanging around
		remove_all_actions( 'AHEE__EE_System__perform_activations_upgrades_and_migrations');
		self::instance()->detect_activations_or_upgrades();
		self::instance()->perform_activations_upgrades_and_migrations();
		return self::instance();
	}



	/**
	 *    sets hooks for running rest of system
	 *    provides "AHEE__EE_System__construct__complete" hook for EE Addons to use as their starting point
	 *    starting EE Addons from any other point may lead to problems
	 *
	 * @access    private
	 */
	private function __construct() {
		do_action( 'AHEE__EE_System__construct__begin', $this );
		// allow addons to load first so that they can register autoloaders, set hooks for running DMS's, etc
		add_action( 'AHEE__EE_Bootstrap__load_espresso_addons', array( $this, 'load_espresso_addons' ) );
		// when an ee addon is activated, we want to call the core hook(s) again
		// because the newly-activated addon didn't get a chance to run at all
		add_action( 'activate_plugin', array( $this, 'load_espresso_addons' ), 1 );
		// detect whether install or upgrade
		add_action( 'AHEE__EE_Bootstrap__detect_activations_or_upgrades', array( $this, 'detect_activations_or_upgrades' ), 3 );
		// load EE_Config, EE_Textdomain, etc
		add_action( 'AHEE__EE_Bootstrap__load_core_configuration', array( $this, 'load_core_configuration' ), 5 );
		// load EE_Config, EE_Textdomain, etc
		add_action( 'AHEE__EE_Bootstrap__register_shortcodes_modules_and_widgets', array( $this, 'register_shortcodes_modules_and_widgets' ), 7 );
		// you wanna get going? I wanna get going... let's get going!
		add_action( 'AHEE__EE_Bootstrap__brew_espresso', array( $this, 'brew_espresso' ), 9 );
		//other housekeeping
		//exclude EE critical pages from wp_list_pages
		add_filter( 'wp_list_pages_excludes', array( $this, 'remove_pages_from_wp_list_pages' ), 10 );
		// ALL EE Addons should use the following hook point to attach their initial setup too
		// it's extremely important for EE Addons to register any class autoloaders so that they can be available when the EE_Config loads
		do_action( 'AHEE__EE_System__construct__complete', $this );
	}



	/**
	 * load_espresso_addons
	 *
	 * allow addons to load first so that they can set hooks for running DMS's, etc
	 * this is hooked into both:
	 * 	'AHEE__EE_Bootstrap__load_core_configuration'
	 * 		which runs during the WP 'plugins_loaded' action at priority 5
	 * 	and the WP 'activate_plugin' hookpoint
	 *
	 * @access public
	 * @return void
	 */
	public function load_espresso_addons() {
		// set autoloaders for all of the classes implementing EEI_Plugin_API
		// which provide helpers for EE plugin authors to more easily register certain components with EE.
		EEH_Autoloader::instance()->register_autoloaders_for_each_file_in_folder( EE_LIBRARIES . 'plugin_api' );
		//load and setup EE_Capabilities
		EE_Registry::instance()->load_core( 'Capabilities' );
		//caps need to be initialized on every request so that capability maps are set.
		//@see https://events.codebasehq.com/projects/event-espresso/tickets/8674
		EE_Registry::instance()->CAP->init_caps();
		do_action( 'AHEE__EE_System__load_espresso_addons' );
		//if the WP API basic auth plugin isn't already loaded, load it now.
		//We want it for mobile apps. Just include the entire plugin
		//also, don't load the basic auth when a plugin is getting activated, because
		//it could be the basic auth plugin, and it doesn't check if its methods are already defined
		//and causes a fatal error
		if( !function_exists( 'json_basic_auth_handler' )
			&& ! function_exists( 'json_basic_auth_error' )
			&& ! (
				isset( $_GET[ 'action'] )
				&& in_array( $_GET[ 'action' ], array( 'activate', 'activate-selected' ) )
			)
			&& ! (
				isset( $_GET['activate' ] )
				&& $_GET['activate' ] === 'true'
			)
		) {
			include_once EE_THIRD_PARTY . 'wp-api-basic-auth' . DS . 'basic-auth.php';
		}
	}


	/**
	 * detect_activations_or_upgrades
	 *
	 * Checks for activation or upgrade of core first;
	 * then also checks if any registered addons have been activated or upgraded
	 * This is hooked into 'AHEE__EE_Bootstrap__detect_activations_or_upgrades'
	 * which runs during the WP 'plugins_loaded' action at priority 3
	 *
	 * @access public
	 * @return void
	 */
	public function detect_activations_or_upgrades(){
		//first off: let's make sure to handle core
		$this->detect_if_activation_or_upgrade();
		foreach(EE_Registry::instance()->addons as $addon){
			//detect teh request type for that addon
			$addon->detect_activation_or_upgrade();
		}
	}



	/**
	* detect_if_activation_or_upgrade
	*
	* Takes care of detecting whether this is a brand new install or code upgrade,
	* and either setting up the DB or setting up maintenance mode etc.
	*
	* @access public
	* @return void
	*/
	public function detect_if_activation_or_upgrade() {
		do_action('AHEE__EE_System___detect_if_activation_or_upgrade__begin');

		// load M-Mode class
		EE_Registry::instance()->load_core( 'Maintenance_Mode' );
		// check if db has been updated, or if its a brand-new installation

		$espresso_db_update = $this->fix_espresso_db_upgrade_option();
		$request_type =  $this->detect_req_type($espresso_db_update);
		//EEH_Debug_Tools::printr( $request_type, '$request_type', __FILE__, __LINE__ );

		switch($request_type){
			case EE_System::req_type_new_activation:
				do_action( 'AHEE__EE_System__detect_if_activation_or_upgrade__new_activation' );
				$this->_handle_core_version_change( $espresso_db_update );
				break;
			case EE_System::req_type_reactivation:
				do_action( 'AHEE__EE_System__detect_if_activation_or_upgrade__reactivation' );
				$this->_handle_core_version_change( $espresso_db_update );
				break;
			case EE_System::req_type_upgrade:
				do_action( 'AHEE__EE_System__detect_if_activation_or_upgrade__upgrade' );
				//migrations may be required now that we've upgraded
				EE_Maintenance_Mode::instance()->set_maintenance_mode_if_db_old();
				$this->_handle_core_version_change( $espresso_db_update );
//				echo "done upgrade";die;
				break;
			case EE_System::req_type_downgrade:
				do_action( 'AHEE__EE_System__detect_if_activation_or_upgrade__downgrade' );
				//its possible migrations are no longer required
				EE_Maintenance_Mode::instance()->set_maintenance_mode_if_db_old();
				$this->_handle_core_version_change( $espresso_db_update );
				break;
			case EE_System::req_type_normal:
			default:
//				$this->_maybe_redirect_to_ee_about();
				break;
		}
		do_action( 'AHEE__EE_System__detect_if_activation_or_upgrade__complete' );
	}

	/**
	 * Updates the list of installed versions and sets hooks for
	 * initializing the database later during the request
	 * @param array $espresso_db_update
	 */
	protected function _handle_core_version_change( $espresso_db_update ){
		$this->update_list_of_installed_versions( $espresso_db_update );
		//get ready to verify the DB is ok (provided we aren't in maintenance mode, of course)
		add_action( 'AHEE__EE_System__perform_activations_upgrades_and_migrations', array( $this, 'initialize_db_if_no_migrations_required' ));
	}




	/**
	 * standardizes the wp option 'espresso_db_upgrade' which actually stores
	 * information about what versions of EE have been installed and activated,
	 * NOT necessarily the state of the database
	 *
	 * @param null $espresso_db_update
	 * @internal param array $espresso_db_update_value the value of the WordPress option. If not supplied, fetches it from the options table
	 * @return array the correct value of 'espresso_db_upgrade', after saving it, if it needed correction
	 */
	private function fix_espresso_db_upgrade_option($espresso_db_update = null){
		do_action( 'FHEE__EE_System__manage_fix_espresso_db_upgrade_option__begin', $espresso_db_update );
		if( ! $espresso_db_update){
			$espresso_db_update = get_option( 'espresso_db_update' );
		}
		// check that option is an array
		if( ! is_array( $espresso_db_update )) {
			// if option is FALSE, then it never existed
			if ( $espresso_db_update === FALSE ) {
				// make $espresso_db_update an array and save option with autoload OFF
				$espresso_db_update =  array();
				add_option( 'espresso_db_update', $espresso_db_update, '', 'no' );
			} else {
				// option is NOT FALSE but also is NOT an array, so make it an array and save it
				$espresso_db_update =  array( $espresso_db_update=>array() );
				update_option( 'espresso_db_update', $espresso_db_update );
			}
		}else{
			$corrected_db_update = array();
			//if IS an array, but is it an array where KEYS are version numbers, and values are arrays?
			foreach($espresso_db_update as $should_be_version_string => $should_be_array){
				if(is_int($should_be_version_string) && ! is_array($should_be_array)){
					//the key is an int, and the value IS NOT an array
					//so it must be numerically-indexed, where values are versions installed...
					//fix it!
					$version_string = $should_be_array;
					$corrected_db_update[$version_string] = array('unknown-date');
				}else{
					//ok it checks out
					$corrected_db_update[$should_be_version_string] = $should_be_array;
				}
			}
			$espresso_db_update = $corrected_db_update;
			update_option( 'espresso_db_update', $espresso_db_update );

		}

		do_action( 'FHEE__EE_System__manage_fix_espresso_db_upgrade_option__complete', $espresso_db_update );
		return $espresso_db_update;
	}




	/**
	 * Does the traditional work of setting up the plugin's database and adding default data.
	 * If migration script/process did not exist, this is what would happen on every activation/reactivation/upgrade.
	 * NOTE: if we're in maintenance mode (which would be the case if we detect there are data
	 * migration scripts that need to be run and a version change happens), enqueues core for database initialization,
	 * so that it will be done when migrations are finished
	 * @param boolean $initialize_addons_too if true, we double-check addons' database tables etc too;
	 *		however,
	 * @param boolean $verify_db_schema if true will re-check the database tables have the correct schema. This is a resource-intensive job
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
	 * so we prefer to only do it when necessary
	 * @return void
	 */
	public function initialize_db_if_no_migrations_required( $initialize_addons_too = FALSE, $verify_schema = true ){
		$request_type = $this->detect_req_type();
		//only initialize system if we're not in maintenance mode.
		if( EE_Maintenance_Mode::instance()->level() != EE_Maintenance_Mode::level_2_complete_maintenance ){
			update_option( 'ee_flush_rewrite_rules', TRUE );

			if( $verify_schema ) {
				EEH_Activation::initialize_db_and_folders();
			}
			EEH_Activation::initialize_db_content();
			EEH_Activation::system_initialization();
			if( $initialize_addons_too ) {
				$this->initialize_addons();
			}
		}else{
			EE_Data_Migration_Manager::instance()->enqueue_db_initialization_for( 'Core' );
		}
		if ( $request_type == EE_System::req_type_new_activation || $request_type == EE_System::req_type_reactivation || $request_type == EE_System::req_type_upgrade ) {
			add_action( 'AHEE__EE_System__load_CPTs_and_session__start', array( $this, 'redirect_to_about_ee' ), 9 );
		}
	}

	/**
	 * Initializes the db for all registered addons
	 */
	public function initialize_addons(){
		//foreach registered addon, make sure its db is up-to-date too
		foreach(EE_Registry::instance()->addons as $addon){
			$addon->initialize_db_if_no_migrations_required();
		}
	}


	/**
	 * Adds the current code version to the saved wp option which stores a list of all ee versions ever installed.
	 * @param 	array 	$version_history
	 * @param 	string 	$current_version_to_add 	version to be added to the version history
	 * @return 	boolean success as to whether or not this option was changed
	 */
	public function update_list_of_installed_versions($version_history = NULL,$current_version_to_add = NULL) {
		if( ! $version_history ) {
			$version_history = $this->fix_espresso_db_upgrade_option($version_history);
/**
 * @return array|string
 */
function returnsDifferentValues($x) {
    if ($x) {
        return 'foo';
    }

    return array();
}

$x = returnsDifferentValues($y);
if (is_array($x)) {
    // $x is an array.
}
		}
		if( $current_version_to_add == NULL){

			$current_version_to_add = espresso_version();
		}
		$version_history[ $current_version_to_add ][] = date( 'Y-m-d H:i:s',time() );
		// re-save
		return update_option( 'espresso_db_update', $version_history );
	}




	/**
	 * Detects if the current version indicated in the has existed in the list of
	 * previously-installed versions of EE (espresso_db_update). Does NOT modify it (ie, no side-effect)
	 *
	 * @param array $espresso_db_update array from the wp option stored under the name 'espresso_db_update'.
	 *                            If not supplied, fetches it from the options table.
	 *                            Also, caches its result so later parts of the code can also know whether there's been an
	 *                            update or not. This way we can add the current version to espresso_db_update,
	 *                            but still know if this is a new install or not
	 * @return int one of the constants on EE_System::req_type_
	 */
	public function detect_req_type( $espresso_db_update = NULL ){
		if ( $this->_req_type === NULL ){
			$espresso_db_update = ! empty( $espresso_db_update ) ? $espresso_db_update : $this->fix_espresso_db_upgrade_option();
			$this->_req_type = $this->detect_req_type_given_activation_history( $espresso_db_update, 'ee_espresso_activation', espresso_version() );
		}
		return $this->_req_type;
	}



	/**
	 * Determines the request type for any ee addon, given three piece of info: the current array of activation histories (for core that' 'espresso_db_update' wp option); the name of the wordpress option which is temporarily set upon activation of the plugin (for core it's 'ee_espresso_activation'); and the version that this plugin
	 * was just activated to (for core that will always be espresso_version())
	 * @param array $activation_history_for_addon the option's value which stores the activation history for this ee plugin.
	 * for core that's 'espresso_db_update'
	 * @param string $activation_indicator_option_name the name of the wordpress option that is temporarily set to indicate that this plugin was just activated
	 * @param string $version_to_upgrade_to the version that was just upgraded to (for core that will be espresso_version())
	 * @return int one of the constants on EE_System::req_type_*
	 */
	public static function detect_req_type_given_activation_history( $activation_history_for_addon, $activation_indicator_option_name, $version_to_upgrade_to ){
		$version_is_higher = self::_new_version_is_higher( $activation_history_for_addon, $version_to_upgrade_to );
		if( $activation_history_for_addon ){

			//it exists, so this isn't a completely new install
			//check if this version already in that list of previously installed versions
			if ( ! isset( $activation_history_for_addon[ $version_to_upgrade_to ] )) {
				//it a version we haven't seen before
				if( $version_is_higher === 1 ){
					$req_type = EE_System::req_type_upgrade;
				}else{
					$req_type = EE_System::req_type_downgrade;
				}
				delete_option( $activation_indicator_option_name );
			} else {
				// its not an update. maybe a reactivation?
				if( get_option( $activation_indicator_option_name, FALSE ) ){
					if ( $version_is_higher === -1 ){
						$req_type = EE_System::req_type_downgrade;
					}elseif( $version_is_higher === 0 ){
						//we've seen this version before, but it's an activation. must be a reactivation
						$req_type = EE_System::req_type_reactivation;
					}else{//$version_is_higher === 1
						$req_type = EE_System::req_type_upgrade;
					}
					delete_option( $activation_indicator_option_name );
				} else {
					//we've seen this version before and the activation indicate doesn't show it was just activated
					if ( $version_is_higher === -1 ){
						$req_type = EE_System::req_type_downgrade;
					}elseif( $version_is_higher === 0 ){
						//we've seen this version before and it's not an activation. its normal request
						$req_type = EE_System::req_type_normal;
					}else{//$version_is_higher === 1
						$req_type = EE_System::req_type_upgrade;
					}
				}
			}
		} else {
			//brand new install
			$req_type = EE_System::req_type_new_activation;
			delete_option( $activation_indicator_option_name );
		}
		return $req_type;
	}



	/**
	 * Detects if the $version_to_upgrade_to is higher than the most recent version in
	 * the $activation_history_for_addon
	 * @param array $activation_history_for_addon (keys are versions, values are arrays of times activated,
	 * sometimes containing 'unknown-date'
	 * @param string $version_to_upgrade_to (current version)
	 * @return int results of version_compare( $version_to_upgrade_to, $most_recently_active_version ).
	 *	ie, -1 if $version_to_upgrade_to is LOWER (downgrade);
	 *		0 if $version_to_upgrade_to MATCHES (reactivation or normal request);
	 *		1 if $version_to_upgrade_to is HIGHER (upgrade) ;
	 */
	protected static function _new_version_is_higher( $activation_history_for_addon, $version_to_upgrade_to ){
		//find the most recently-activated version
		$most_recently_active_version_activation = '1970-01-01 00:00:00';
		$most_recently_active_version = '0.0.0.dev.000';
		if( is_array( $activation_history_for_addon ) ){
			foreach( $activation_history_for_addon as $version => $times_activated ){
				//check there is a record of when this version was activated. Otherwise,
				//mark it as unknown
				if( ! $times_activated ){
					$times_activated = array( 'unknown-date');
				}
				if( is_string( $times_activated ) ){
					$times_activated = array( $times_activated );
				}
				foreach( $times_activated as $an_activation ){
					if( $an_activation != 'unknown-date' &&
							$an_activation > $most_recently_active_version_activation  ){
						$most_recently_active_version = $version;
						$most_recently_active_version_activation = $an_activation == 'unknown-date' ? '1970-01-01 00:00:00' : $an_activation;
					}
				}
			}
		}
		return version_compare( $version_to_upgrade_to, $most_recently_active_version );
	}



	/**
	 * This redirects to the about EE page after activation
	 * @return void
	 */
	public function redirect_to_about_ee() {
		$notices = EE_Error::get_notices( FALSE );
		//if current user is an admin and it's not an ajax request
		if(EE_Registry::instance()->CAP->current_user_can( 'manage_options', 'espresso_about_default' ) && ! ( defined('DOING_AJAX') && DOING_AJAX  ) && ! isset( $notices[ 'errors' ] ) ){
			$query_params =  array( 'page' => 'espresso_about' );

			if ( EE_System::instance()->detect_req_type() == EE_System::req_type_new_activation ) {
			    $query_params['new_activation'] = TRUE;
			}

			if ( EE_System::instance()->detect_req_type() == EE_System::req_type_reactivation ) {
			    $query_params['reactivation'] = TRUE;
			}
			$url = add_query_arg( $query_params, admin_url( 'admin.php' ) );
			wp_safe_redirect( $url );
			exit();
		}
	}


	/**
	 * load_core_configuration
	 *
	 * this is hooked into 'AHEE__EE_Bootstrap__load_core_configuration'
	 * which runs during the WP 'plugins_loaded' action at priority 5
	 *
	 * @return void
	 */
	public function load_core_configuration(){
		do_action( 'AHEE__EE_System__load_core_configuration__begin', $this );
		EE_Registry::instance()->load_core( 'EE_Load_Textdomain' );
		//load textdomain
		EE_Load_Textdomain::load_textdomain();
		// load and setup EE_Config and EE_Network_Config
		EE_Registry::instance()->load_core( 'Config' );
		EE_Registry::instance()->load_core( 'Network_Config' );
		// setup autoloaders
		// enable logging?
		if ( EE_Registry::instance()->CFG->admin->use_full_logging ) {
			EE_Registry::instance()->load_core( 'Log' );
		}
		// check for activation errors
		$activation_errors = get_option( 'ee_plugin_activation_errors', FALSE );
		if ( $activation_errors ) {
			EE_Error::add_error( $activation_errors, __FILE__, __FUNCTION__, __LINE__ );
			update_option( 'ee_plugin_activation_errors', FALSE );
		}
		// get model names
		$this->_parse_model_names();

		//load caf stuff a chance to play during the activation process too.
		$this->_maybe_brew_regular();
		do_action( 'AHEE__EE_System__load_core_configuration__complete', $this );
	}


	/**
	 * cycles through all of the models/*.model.php files, and assembles an array of model names
	 *
	 * @return void
	 */
	private function _parse_model_names(){
		//get all the files in the EE_MODELS folder that end in .model.php
		$models = glob( EE_MODELS.'*.model.php');
		$model_names = array();
		$non_abstract_db_models = array();
		foreach( $models as $model ){
			// get model classname
			$classname = EEH_File::get_classname_from_filepath_with_standard_filename( $model );
			$shortname = str_replace( 'EEM_', '', $classname );
			$reflectionClass = new ReflectionClass($classname);
			if( $reflectionClass->isSubclassOf('EEM_Base') && ! $reflectionClass->isAbstract()){
				$non_abstract_db_models[$shortname] = $classname;
			}
			$model_names[ $shortname ] = $classname;
		}
		EE_Registry::instance()->models = apply_filters( 'FHEE__EE_System__parse_model_names', $model_names );
		EE_Registry::instance()->non_abstract_db_models = apply_filters( 'FHEE__EE_System__parse_implemented_model_names', $non_abstract_db_models );
	}



	/**
	 * The purpose of this method is to simply check for a file named "caffeinated/brewing_regular.php" for any hooks that need to be setup before our EE_System launches.
	 * @return void
	 */
	private function _maybe_brew_regular() {
		if (( ! defined( 'EE_DECAF' ) ||  EE_DECAF !== TRUE ) && is_readable( EE_CAFF_PATH . 'brewing_regular.php' )) {
			require_once EE_CAFF_PATH . 'brewing_regular.php';
		}
	}



	/**
	 * register_shortcodes_modules_and_widgets
	 *
	 * generate lists of shortcodes and modules, then verify paths and classes
	 * This is hooked into 'AHEE__EE_Bootstrap__register_shortcodes_modules_and_widgets'
	 * which runs during the WP 'plugins_loaded' action at priority 7
	 *
	 * @access public
	 * @return void
	 */
	public function register_shortcodes_modules_and_widgets() {
		do_action( 'AHEE__EE_System__register_shortcodes_modules_and_widgets' );
		// check for addons using old hookpoint
		if ( has_action( 'AHEE__EE_System__register_shortcodes_modules_and_addons' )) {
			$this->_incompatible_addon_error();
		}
	}


	/**
	* _incompatible_addon_error
	*
	* @access public
	* @return void
	*/
	private function _incompatible_addon_error() {
		// get array of classes hooking into here
		$class_names = EEH_Class_Tools::get_class_names_for_all_callbacks_on_hook( 'AHEE__EE_System__register_shortcodes_modules_and_addons' );
		if ( ! empty( $class_names )) {
			$msg = __( 'The following plugins, addons, or modules appear to be incompatible with this version of Event Espresso and were automatically deactivated to avoid fatal errors:', 'event_espresso' );
			$msg .= '<ul>';
			foreach ( $class_names as $class_name ) {
				$msg .= '<li><b>Event Espresso - ' . str_replace( array( 'EE_', 'EEM_', 'EED_', 'EES_', 'EEW_' ), '', $class_name ) . '</b></li>';
			}
			$msg .= '</ul>';
			$msg .= __( 'Compatibility issues can be avoided and/or resolved by keeping addons and plugins updated to the latest version.', 'event_espresso' );
			// save list of incompatible addons to wp-options for later use
			add_option( 'ee_incompatible_addons', $class_names, '', 'no' );
			if ( is_admin() ) {
				EE_Error::add_error( $msg, __FILE__, __FUNCTION__, __LINE__ );
			}
		}
	}




	/**
	 * brew_espresso
	 *
	 * begins the process of setting hooks for initializing EE in the correct order
	 * This is happening on the 'AHEE__EE_Bootstrap__brew_espresso' hookpoint
	 * which runs during the WP 'plugins_loaded' action at priority 9
	 *
	 * @return void
	 */
	public function brew_espresso(){
		do_action( 'AHEE__EE_System__brew_espresso__begin', $this );
		// load some final core systems
		add_action( 'init', array( $this, 'set_hooks_for_core' ), 1 );
		add_action( 'init', array( $this, 'perform_activations_upgrades_and_migrations' ), 3 );
		add_action( 'init', array( $this, 'load_CPTs_and_session' ), 5 );
		add_action( 'init', array( $this, 'load_controllers' ), 7 );
		add_action( 'init', array( $this, 'core_loaded_and_ready' ), 9 );
		add_action( 'init', array( $this, 'initialize' ), 10 );
		add_action( 'init', array( $this, 'initialize_last' ), 100 );
		add_action('wp_enqueue_scripts', array( $this, 'wp_enqueue_scripts' ), 25 );
		add_action( 'admin_bar_menu', array( $this, 'espresso_toolbar_items' ), 100 );

		if ( is_admin() && apply_filters( 'FHEE__EE_System__brew_espresso__load_pue', TRUE )  ) {
			// pew pew pew
			EE_Registry::instance()->load_core( 'PUE' );
			do_action( 'AHEE__EE_System__brew_espresso__after_pue_init' );
		}
		do_action( 'AHEE__EE_System__brew_espresso__complete', $this );
	}




	/**
	 * 	set_hooks_for_core
	 *
	 *  	@access public
	 *  	@return 	void
	 */
	public function set_hooks_for_core() {
		$this->_deactivate_incompatible_addons();
		do_action( 'AHEE__EE_System__set_hooks_for_core' );
	}



	/**
	 * Using the information gathered in EE_System::_incompatible_addon_error,
	 * deactivates any addons considered incompatible with the current version of EE
	 */
	private function _deactivate_incompatible_addons(){
		$incompatible_addons = get_option( 'ee_incompatible_addons', array() );
		if ( ! empty( $incompatible_addons )) {
			$active_plugins = get_option( 'active_plugins', array() );
			foreach ( $active_plugins as $active_plugin ) {
				foreach ( $incompatible_addons as $incompatible_addon ) {
					if ( strpos( $active_plugin,  $incompatible_addon ) !== FALSE ) {
						unset( $_GET['activate'] );
						espresso_deactivate_plugin( $active_plugin );
					}
				}
			}
		}
	}



	/**
	 * 	perform_activations_upgrades_and_migrations
	 *
	 *  	@access public
	 *  	@return 	void
	 */
	public function perform_activations_upgrades_and_migrations() {
		//first check if we had previously attempted to setup EE's directories but failed
		if( EEH_Activation::upload_directories_incomplete() ) {
			EEH_Activation::create_upload_directories();
		}
		do_action( 'AHEE__EE_System__perform_activations_upgrades_and_migrations' );
	}



	/**
	 * 	load_CPTs_and_session
	 *
	 *  	@access public
	 *  	@return 	void
	 */
	public function load_CPTs_and_session() {
		do_action( 'AHEE__EE_System__load_CPTs_and_session__start' );
		// register Custom Post Types
		EE_Registry::instance()->load_core( 'Register_CPTs' );
		do_action( 'AHEE__EE_System__load_CPTs_and_session__complete' );
	}



	/**
	* load_controllers
	*
	* this is the best place to load any additional controllers that needs access to EE core.
	* it is expected that all basic core EE systems, that are not dependant on the current request are loaded at this time
	*
	* @access public
	* @return void
	*/
	public function load_controllers() {
		do_action( 'AHEE__EE_System__load_controllers__start' );
		// let's get it started
		if ( ! is_admin() && ! EE_Maintenance_Mode::instance()->level() ) {
			do_action( 'AHEE__EE_System__load_controllers__load_front_controllers' );
			EE_Registry::instance()->load_core( 'Front_Controller' );
		} else if ( ! EE_FRONT_AJAX ) {
			do_action( 'AHEE__EE_System__load_controllers__load_admin_controllers' );
			EE_Registry::instance()->load_core( 'Admin' );
		}
		do_action( 'AHEE__EE_System__load_controllers__complete' );
	}



	/**
	* core_loaded_and_ready
	*
	* all of the basic EE core should be loaded at this point and available regardless of M-Mode
	*
	* @access public
	* @return void
	*/
	public function core_loaded_and_ready() {
		do_action( 'AHEE__EE_System__core_loaded_and_ready' );
		do_action( 'AHEE__EE_System__set_hooks_for_shortcodes_modules_and_addons' );
//		add_action( 'wp_loaded', array( $this, 'set_hooks_for_shortcodes_modules_and_addons' ), 1 );
		EE_Registry::instance()->load_core( 'Session' );
	}



	/**
	* initialize
	*
	* this is the best place to begin initializing client code
	*
	* @access public
	* @return void
	*/
	public function initialize() {
		do_action( 'AHEE__EE_System__initialize' );
	}



	/**
	* initialize_last
	*
	* this is run really late during the WP init hookpoint, and ensures that mostly everything else that needs to initialize has done so
	*
	* @access public
	* @return void
	*/
	public function initialize_last() {
		do_action( 'AHEE__EE_System__initialize_last' );
	}




	/**
	* set_hooks_for_shortcodes_modules_and_addons
	*
	* this is the best place for other systems to set callbacks for hooking into other parts of EE
	* this happens at the very beginning of the wp_loaded hookpoint
	*
	* @access public
	* @return void
	*/
	public function set_hooks_for_shortcodes_modules_and_addons() {
//		do_action( 'AHEE__EE_System__set_hooks_for_shortcodes_modules_and_addons' );
	}




	/**
	* do_not_cache
	*
	* sets no cache headers and defines no cache constants for WP plugins
	*
	* @access public
	* @return void
	*/
	public static function do_not_cache() {
		// set no cache constants
		if ( ! defined( 'DONOTCACHEPAGE' ) ) {
			define( 'DONOTCACHEPAGE', true );
		}
		if ( ! defined( 'DONOTCACHCEOBJECT' ) ) {
			define( 'DONOTCACHCEOBJECT', true );
		}
		if ( ! defined( 'DONOTCACHEDB' ) ) {
			define( 'DONOTCACHEDB', true );
		}
		// add no cache headers
		add_action( 'send_headers' , array( 'EE_System', 'nocache_headers' ), 10 );
		// plus a little extra for nginx and Google Chrome
		add_filter( 'nocache_headers', array( 'EE_System', 'extra_nocache_headers' ), 10, 1 );
		// prevent browsers from prefetching of the rel='next' link, because it may contain content that interferes with the registration process
		remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head' );
	}



	/**
	 *    extra_nocache_headers
	 *
	 * @access    public
	 * @param $headers
	 * @return    array
	 */
	public static function extra_nocache_headers ( $headers ) {
		// for NGINX
		$headers['X-Accel-Expires'] = 0;
		// plus extra for Google Chrome since it doesn't seem to respect "no-cache", but WILL respect "no-store"
		$headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, max-age=0';
		return $headers;
	}



	/**
	 * 	nocache_headers
	 *
	 *  @access 	public
	 *  @return 	void
	 */
	public static function nocache_headers() {
		nocache_headers();
	}



	/**
	 *    espresso_toolbar_items
	 *
	 * @access    public
	 * @param $admin_bar
	 * @return    void
	 */
	public function espresso_toolbar_items( $admin_bar ) {

		// if in full M-Mode, or its an AJAX request, or user is NOT an admin
		if ( EE_Maintenance_Mode::instance()->level() == EE_Maintenance_Mode::level_2_complete_maintenance || defined( 'DOING_AJAX' ) || ! EE_Registry::instance()->CAP->current_user_can( 'ee_read_ee', 'ee_admin_bar_menu_top_level' )) {
			return;
		}

		do_action( 'AHEE_log', __FILE__, __FUNCTION__, '' );
		$menu_class = 'espresso_menu_item_class';
		//we don't use the constants EVENTS_ADMIN_URL or REG_ADMIN_URL
		//because they're only defined in each of their respective constructors
		//and this might be a frontend request, in which case they aren't available
		$events_admin_url = admin_url("admin.php?page=espresso_events");
		$reg_admin_url = admin_url("admin.php?page=espresso_registrations");
		$extensions_admin_url = admin_url("admin.php?page=espresso_packages");

		//Top Level
		$admin_bar->add_menu(array(
				'id' => 'espresso-toolbar',
				'title' => '<span class="ee-icon ee-icon-ee-cup-thick ee-icon-size-20"></span><span class="ab-label">' . _x('Event Espresso', 'admin bar menu group label', 'event_espresso') . '</span>',
				'href' => $events_admin_url,
				'meta' => array(
						'title' => __('Event Espresso', 'event_espresso'),
						'class' => $menu_class . 'first'
				),
		));

		//Events
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_events', 'ee_admin_bar_menu_espresso-toolbar-events' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-events',
					'parent' => 'espresso-toolbar',
					'title' => __( 'Events', 'event_espresso' ),
					'href' => $events_admin_url,
					'meta' => array(
							'title' => __('Events', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}


		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_edit_events', 'ee_admin_bar_menu_espresso-toolbar-events-new' ) ) {
			//Events Add New
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-events-new',
					'parent' => 'espresso-toolbar-events',
					'title' => __('Add New', 'event_espresso'),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'create_new' ), $events_admin_url ),
					'meta' => array(
							'title' => __('Add New', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		if ( is_single() && ( get_post_type() == 'espresso_events' ) ) {

			//Current post
			global $post;

	    	if ( EE_Registry::instance()->CAP->current_user_can( 'ee_edit_event', 'ee_admin_bar_menu_espresso-toolbar-events-edit', $post->ID ) ) {
				//Events Edit Current Event
				$admin_bar->add_menu(array(
						'id' => 'espresso-toolbar-events-edit',
						'parent' => 'espresso-toolbar-events',
						'title' => __('Edit Event', 'event_espresso'),
						'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'edit', 'post'=>$post->ID ), $events_admin_url ),
						'meta' => array(
								'title' => __('Edit Event', 'event_espresso'),
								'target' => '',
								'class' => $menu_class
						),
				));
			}

		}

		//Events View
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_events', 'ee_admin_bar_menu_espresso-toolbar-events-view' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-events-view',
					'parent' => 'espresso-toolbar-events',
					'title' => __( 'View', 'event_espresso' ),
					'href' => $events_admin_url,
					'meta' => array(
							'title' => __('View', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_events', 'ee_admin_bar_menu_espresso-toolbar-events-all' ) ) {
			//Events View All
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-events-all',
					'parent' => 'espresso-toolbar-events-view',
					'title' => __( 'All', 'event_espresso' ),
					'href' => $events_admin_url,
					'meta' => array(
							'title' => __('All', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}


		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_events', 'ee_admin_bar_menu_espresso-toolbar-events-today' ) ) {
			//Events View Today
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-events-today',
					'parent' => 'espresso-toolbar-events-view',
					'title' => __('Today', 'event_espresso'),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'today' ), $events_admin_url ),
					'meta' => array(
							'title' => __('Today', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}


		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_events', 'ee_admin_bar_menu_espresso-toolbar-events-month' ) ) {
			//Events View This Month
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-events-month',
					'parent' => 'espresso-toolbar-events-view',
					'title' => __( 'This Month', 'event_espresso'),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'month' ), $events_admin_url ),
					'meta' => array(
							'title' => __('This Month', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations',
					'parent' => 'espresso-toolbar',
					'title' => __( 'Registrations', 'event_espresso' ),
					'href' => $reg_admin_url,
					'meta' => array(
							'title' => __('Registrations', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview Today
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-today' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-today',
					'parent' => 'espresso-toolbar-registrations',
					'title' => __( 'Today', 'event_espresso'),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'today' ), $reg_admin_url ),
					'meta' => array(
							'title' => __('Today', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview Today Completed
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-today-approved' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-today-approved',
					'parent' => 'espresso-toolbar-registrations-today',
					'title' => __( 'Approved', 'event_espresso' ),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'today', '_reg_status'=>EEM_Registration::status_id_approved ), $reg_admin_url ),
					'meta' => array(
							'title' => __('Approved', 'event_espresso' ),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview Today Pending\
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-today-pending' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-today-pending',
					'parent' => 'espresso-toolbar-registrations-today',
					'title' => __( 'Pending', 'event_espresso' ),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'today', 'reg_status'=>EEM_Registration::status_id_pending_payment ), $reg_admin_url ),
					'meta' => array(
							'title' => __('Pending Payment', 'event_espresso' ),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview Today Incomplete
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-today-not-approved' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-today-not-approved',
					'parent' => 'espresso-toolbar-registrations-today',
					'title' => __( 'Not Approved', 'event_espresso' ),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'today', '_reg_status'=>EEM_Registration::status_id_not_approved ), $reg_admin_url ),
					'meta' => array(
							'title' => __('Not Approved', 'event_espresso' ),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview Today Incomplete
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-today-cancelled' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-today-cancelled',
					'parent' => 'espresso-toolbar-registrations-today',
					'title' => __( 'Cancelled', 'event_espresso'),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'today', '_reg_status'=>EEM_Registration::status_id_cancelled ), $reg_admin_url ),
					'meta' => array(
							'title' => __('Cancelled', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview This Month
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-month' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-month',
					'parent' => 'espresso-toolbar-registrations',
					'title' => __( 'This Month', 'event_espresso' ),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'month' ), $reg_admin_url ),
					'meta' => array(
							'title' => __('This Month', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview This Month Approved
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-month-approved' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-month-approved',
					'parent' => 'espresso-toolbar-registrations-month',
					'title' => __( 'Approved', 'event_espresso' ),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'month', '_reg_status'=>EEM_Registration::status_id_approved ), $reg_admin_url ),
					'meta' => array(
							'title' => __('Approved', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview This Month Pending
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-month-pending' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-month-pending',
					'parent' => 'espresso-toolbar-registrations-month',
					'title' => __( 'Pending', 'event_espresso'),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'month', '_reg_status'=>EEM_Registration::status_id_pending_payment ), $reg_admin_url ),
					'meta' => array(
							'title' => __('Pending', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Registration Overview This Month Not Approved
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-month-not-approved' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-month-not-approved',
					'parent' => 'espresso-toolbar-registrations-month',
					'title' => __( 'Not Approved', 'event_espresso'),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'month', '_reg_status'=>EEM_Registration::status_id_not_approved ), $reg_admin_url ),
					'meta' => array(
							'title' => __('Not Approved', 'event_espresso' ),
							'target' => '',
							'class' => $menu_class
					),
			));
		}


		//Registration Overview This Month Cancelled
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_registrations', 'ee_admin_bar_menu_espresso-toolbar-registrations-month-cancelled' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-registrations-month-cancelled',
					'parent' => 'espresso-toolbar-registrations-month',
					'title' => __('Cancelled', 'event_espresso'),
					'href' => EEH_URL::add_query_args_and_nonce( array( 'action'=>'default', 'status'=>'month', '_reg_status'=>EEM_Registration::status_id_cancelled ), $reg_admin_url ),
					'meta' => array(
							'title' => __('Cancelled', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}

		//Extensions & Services
		if ( EE_Registry::instance()->CAP->current_user_can( 'ee_read_ee', 'ee_admin_bar_menu_espresso-toolbar-extensions-and-services' ) ) {
			$admin_bar->add_menu(array(
					'id' => 'espresso-toolbar-extensions-and-services',
					'parent' => 'espresso-toolbar',
					'title' => __( 'Extensions & Services', 'event_espresso' ),
					'href' => $extensions_admin_url,
					'meta' => array(
							'title' => __('Extensions & Services', 'event_espresso'),
							'target' => '',
							'class' => $menu_class
					),
			));
		}
	}





	/**
	 * simply hooks into "wp_list_pages_exclude" filter (for wp_list_pages method) and makes sure EE critical pages are never returned with the function.
	 *
	 *
	 * @param  array  $exclude_array any existing pages being excluded are in this array.
	 * @return array
	 */
	public function remove_pages_from_wp_list_pages( $exclude_array ) {
		return  array_merge( $exclude_array, EE_Registry::instance()->CFG->core->get_critical_pages_array() );
	}






	/*********************************************** 		WP_ENQUEUE_SCRIPTS HOOK		 ***********************************************/



	/**
	 * 	wp_enqueue_scripts
	 *
	 *  	@access 	public
	 *  	@return 	void
	 */
	public function wp_enqueue_scripts() {
		// unlike other systems, EE_System_scripts loading is turned ON by default, but prior to the init hook, can be turned off via: add_filter( 'FHEE_load_EE_System_scripts', '__return_false' );
		if ( apply_filters( 'FHEE_load_EE_System_scripts', TRUE ) ) {
			// jquery_validate loading is turned OFF by default, but prior to the wp_enqueue_scripts hook, can be turned back on again via:  add_filter( 'FHEE_load_jquery_validate', '__return_true' );
			if ( apply_filters( 'FHEE_load_jquery_validate', FALSE ) ) {
				// register jQuery Validate and additional methods
				wp_register_script( 'jquery-validate', EE_GLOBAL_ASSETS_URL . 'scripts/jquery.validate.min.js', array('jquery' ), '1.15.0', TRUE );
				wp_register_script( 'jquery-validate-extra-methods', EE_GLOBAL_ASSETS_URL . 'scripts/jquery.validate.additional-methods.min.js', array( 'jquery', 'jquery-validate' ), '1.15.0', TRUE );
			}
		}
	}



}
// End of file EE_System.core.php
// Location: /core/EE_System.core.php

eventespresso / event-espresso-core

Branch — BUG-9548-transaction-completio... (b1c41e)

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