EE_System::wp_enqueue_scripts() - Code Metrics - Inspection of "Daily Inspection: add slash! [touch: 10304]" - eventespresso/event-espresso-core - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Branch — FET-10304-welcome-to-vue (9b3e6e)

unknown
created 2016-12-10 21:43 UTC
EE_System::wp_enqueue_scripts() B

↳ Parent: EE_System
Complexity

Conditions	3
Paths	3
Size

Total Lines	26
Code Lines	15
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	3
eloc	15
nc	3
nop	0
dl	0
loc	26
rs	8.8571
c	0
b	0
f	0
<?php if ( ! defined('EVENT_ESPRESSO_VERSION')) {
    exit('No direct script access allowed');
}



/**
 * EE_System
 *
 * @package        Event Espresso
 * @subpackage     core/
 * @author         Brent Christensen, Michael Nelson
 *                 ------------------------------------------------------------------------
 */
final class EE_System
{


    /**
     * 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_';


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

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

    /**
     * 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;

    /**
     * Whether or not there was a non-micro version change in EE core version during this request
     *
     * @var boolean
     */
    private $_major_version_change = false;



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

// Unsafe
function withoutCheck(stdClass $x = null) {
    notNullable($x);
}

// Safe - Alternative 1: Adding Additional Type-Check
function withCheck(stdClass $x = null) {
    if ($x instanceof stdClass) {
        notNullable($x);
    }
}

// Safe - Alternative 2: Changing Parameter
function withNonNullableParam(stdClass $x) {
    notNullable($x);
}
        }
        return self::$_instance;
    }



    /**
     * resets the instance and returns it
     *
     * @return EE_System
     */
    public static function reset()
    {
        self::$_instance->_req_type = null;
        //make sure none of the old hooks are left hanging around
        remove_all_actions('AHEE__EE_System__perform_activations_upgrades_and_migrations');
        //we need to reset the migration manager in order for it to detect DMSs properly
        EE_Data_Migration_Manager::reset();
        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
     * @param  \EE_Registry $Registry
     */
    private function __construct(EE_Registry $Registry)
    {
        $this->registry = $Registry;
        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
        $this->registry->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
        $this->registry->CAP->init_caps();
        do_action('AHEE__EE_System__load_espresso_addons');
        //if the WP API basic auth plugin isn't already loaded, load it now.
        //We want it for mobile apps. Just include the entire plugin
        //also, don't load the basic auth when a plugin is getting activated, because
        //it could be the basic auth plugin, and it doesn't check if its methods are already defined
        //and causes a fatal error
        if ( ! function_exists('json_basic_auth_handler')
             && ! function_exists('json_basic_auth_error')
             && ! (
                isset($_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';
        }
        do_action('AHEE__EE_System__load_espresso_addons__complete');
    }



    /**
     * 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
        $this->detect_if_activation_or_upgrade();
        foreach ($this->registry->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
        $this->registry->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;
     * @param boolean $verify_schema         if true will re-check the database tables have the correct schema.
     *                                       This is a resource-intensive job
     *                                       so we prefer to only do it when necessary
     * @return void
     */
    public function initialize_db_if_no_migrations_required($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
                && $this->is_major_version_change()
            )
        ) {
            add_action('AHEE__EE_System__initialize_last', array($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 ($this->registry->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());
            $this->_major_version_change = $this->_detect_major_version_change($espresso_db_update);
        }
        return $this->_req_type;
    }



    /**
     * Returns whether or not there was a non-micro version change (ie, change in either
     * the first or second number in the version. Eg 4.9.0.rc.001 to 4.10.0.rc.000,
     * but not 4.9.0.rc.0001 to 4.9.1.rc.0001
     *
     * @param $activation_history
     * @return bool
     */
    protected function _detect_major_version_change($activation_history)
    {
        $previous_version = EE_System::_get_most_recently_active_version_from_activation_history($activation_history);
        $previous_version_parts = explode('.', $previous_version);
        $current_version_parts = explode('.', espresso_version());
        return isset($previous_version_parts[0], $previous_version_parts[1], $current_version_parts[0], $current_version_parts[1])
               && ($previous_version_parts[0] !== $current_version_parts[0]
                   || $previous_version_parts[1] !== $current_version_parts[1]
               );
    }



    /**
     * Returns true if either the major or minor version of EE changed during this request.
     * Eg 4.9.0.rc.001 to 4.10.0.rc.000, but not 4.9.0.rc.0001 to 4.9.1.rc.0001
     *
     * @return bool
     */
    public function is_major_version_change()
    {
        return $this->_major_version_change;
    }



    /**
     * 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
        $most_recently_active_version = EE_System::_get_most_recently_active_version_from_activation_history($activation_history_for_addon);
        return version_compare($version_to_upgrade_to, $most_recently_active_version);
    }



    /**
     * Gets the most recently active version listed in the activation history,
     * and if none are found (ie, it's a brand new install) returns '0.0.0.dev.000'.
     *
     * @param array $activation_history  (keys are versions, values are arrays of times activated,
     *                                   sometimes containing 'unknown-date'
     * @return string
     */
    protected static function _get_most_recently_active_version_from_activation_history($activation_history)
    {
        $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)) {
            foreach ($activation_history 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 $most_recently_active_version;
    }



    /**
     * This redirects to the about EE page after activation
     *
     * @return void
     */
    public function redirect_to_about_ee()
    {
        $notices = EE_Error::get_notices(false);
        //if current user is an admin and it's not an ajax or rest request
        if (
            ! (defined('DOING_AJAX') && DOING_AJAX)
            && ! (defined('REST_REQUEST') && REST_REQUEST)
            && ! isset($notices['errors'])
            && apply_filters(
                'FHEE__EE_System__redirect_to_about_ee__do_redirect',
                $this->registry->CAP->current_user_can('manage_options', 'espresso_about_default')
            )
        ) {
            $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);
        $this->registry->load_core('EE_Load_Textdomain');
        //load textdomain
        EE_Load_Textdomain::load_textdomain();
        // load and setup EE_Config and EE_Network_Config
        $this->registry->load_core('Config');
        $this->registry->load_core('Network_Config');
        // setup autoloaders
        // enable logging?
        if ($this->registry->CFG->admin->use_full_logging) {
            $this->registry->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);
            $short_name = str_replace('EEM_', '', $classname);
            $reflectionClass = new ReflectionClass($classname);
            if ($reflectionClass->isSubclassOf('EEM_Base') && ! $reflectionClass->isAbstract()) {
                $non_abstract_db_models[$short_name] = $classname;
            }
            $model_names[$short_name] = $classname;
        }
        $this->registry->models = apply_filters('FHEE__EE_System__parse_model_names', $model_names);
        $this->registry->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($this, 'wp_enqueue_scripts'), 100);
        add_action('admin_enqueue_scripts', array($this, 'wp_enqueue_scripts'), 100);
        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
            $this->registry->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
        $this->registry->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');
            $this->registry->load_core('Front_Controller', array(), false, true);

        } 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');
        $this->registry->load_core('Session');
        //		add_action( 'wp_loaded', array( $this, 'set_hooks_for_shortcodes_modules_and_addons' ), 1 );
    }



    /**
     * 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  WP_Admin_Bar $admin_bar
     * @return void
     */
    public function espresso_toolbar_items(WP_Admin_Bar $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')
            || ! $this->registry->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' => $menu_class . 'first',
            ),
        ));
        //Events
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        if ($this->registry->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 $post;
            if ($this->registry->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'  => $menu_class,
                    ),
                ));
            }
        }
        //Events View
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview Today
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview Today Completed
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview Today Pending\
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview Today Incomplete
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview Today Incomplete
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview This Month
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview This Month Approved
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview This Month Pending
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview This Month Not Approved
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Registration Overview This Month Cancelled
        if ($this->registry->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'  => $menu_class,
                ),
            ));
        }
        //Extensions & Services
        if ($this->registry->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, $this->registry->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);
            }

            //registers the eejs-api script so it can be used as a dependency on other scripts.
            wp_register_script('eejs-api', EE_LIBRARIES_URL . 'rest_api/assets/js/eejs-api.min.js', array('underscore'), espresso_version(), true);
            EE_Registry::$eejs['paths'] = array('rest_route' => rest_url('ee/v4.8.36/'));
            wp_localize_script(
                'eejs-api',
                'eejs',
                array(
                    'data' => EE_Registry::$eejs
                )
            );
        }
    }



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

eventespresso / event-espresso-core

Branch — FET-10304-welcome-to-vue (9b3e6e)

EE_System::wp_enqueue_scripts() B

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