eventespresso / event-espresso-core

core/services/assets/AssetCollection.php

Indentation +188 added lines, -188 removed lines

@@ -21,192 +21,192 @@
 {
 
 
-    /**
-     * AssetCollection constructor
-     *
-     * @throws InvalidInterfaceException
-     */
-    public function __construct()
-    {
-        parent::__construct('EventEspresso\core\domain\values\assets\Asset');
-    }
-
-
-    /**
-     * @return StylesheetAsset[]
-     * @since 4.9.62.p
-     */
-    public function getStylesheetAssets()
-    {
-        return $this->getAssetsOfType(Asset::TYPE_CSS);
-    }
-
-
-    /**
-     * @return JavascriptAsset[]
-     * @since 4.9.62.p
-     */
-    public function getJavascriptAssets()
-    {
-        return $this->getAssetsOfType(Asset::TYPE_JS);
-    }
-
-
-    /**
-     * @return ManifestFile[]
-     * @since 4.9.62.p
-     */
-    public function getManifestFiles()
-    {
-        return $this->getAssetsOfType(Asset::TYPE_MANIFEST);
-    }
-
-
-    /**
-     * @param $type
-     * @return JavascriptAsset[]|StylesheetAsset[]|ManifestFile[]
-     * @since 4.9.62.p
-     */
-    protected function getAssetsOfType($type)
-    {
-        $files = array();
-        $this->rewind();
-        while ($this->valid()) {
-            /** @var Asset $asset */
-            $asset = $this->current();
-            if ($asset->type() === $type) {
-                $files[ $asset->handle() ] = $asset;
-            }
-            $this->next();
-        }
-        $this->rewind();
-        return $files;
-    }
-
-
-    /**
-     * @return JavascriptAsset[]
-     * @since 4.9.62.p
-     */
-    public function getJavascriptAssetsWithData()
-    {
-        $files = array();
-        $this->rewind();
-        while ($this->valid()) {
-            /** @var JavascriptAsset $asset */
-            $asset = $this->current();
-            if ($asset->type() === Asset::TYPE_JS && $asset->hasInlineData()) {
-                $files[ $asset->handle() ] = $asset;
-            }
-            $this->next();
-        }
-        $this->rewind();
-        return $files;
-    }
-
-
-    /**
-     * returns TRUE or FALSE
-     * depending on whether the object is within the Collection
-     * based on the supplied $identifier and type
-     *
-     * @param  mixed $identifier
-     * @param string $type
-     * @return bool
-     * @since 4.9.63.p
-     */
-    public function hasAssetOfType($identifier, $type = Asset::TYPE_JS)
-    {
-        $this->rewind();
-        while ($this->valid()) {
-            if ($this->getInfo() === $identifier && $this->current()->type() === $type) {
-                $this->rewind();
-                return true;
-            }
-            $this->next();
-        }
-        return false;
-    }
-
-
-    /**
-     * returns TRUE or FALSE
-     * depending on whether the Javascript Asset is within the Collection
-     * based on the supplied $identifier
-     *
-     * @param  mixed $identifier
-     * @return bool
-     * @since 4.9.63.p
-     */
-    public function hasJavascriptAsset($identifier)
-    {
-        return $this->hasAssetOfType($identifier, Asset::TYPE_JS);
-    }
-
-
-    /**
-     * returns TRUE or FALSE
-     * depending on whether the Stylesheet Asset is within the Collection
-     * based on the supplied $identifier
-     *
-     * @param  mixed $identifier
-     * @return bool
-     * @since 4.9.63.p
-     */
-    public function hasStylesheetAsset($identifier)
-    {
-        return $this->hasAssetOfType($identifier, Asset::TYPE_CSS);
-    }
-
-    /**
-     * returns the object from the Collection
-     * based on the supplied $identifier and type
-     *
-     * @param  mixed $identifier
-     * @param string $type
-     * @return JavascriptAsset|StylesheetAsset
-     * @since 4.9.63.p
-     */
-    public function getAssetOfType($identifier, $type = Asset::TYPE_JS)
-    {
-        $this->rewind();
-        while ($this->valid()) {
-            if ($this->getInfo() === $identifier && $this->current()->type() === $type) {
-                /** @var JavascriptAsset|StylesheetAsset $object */
-                $object = $this->current();
-                $this->rewind();
-                return $object;
-            }
-            $this->next();
-        }
-        return null;
-    }
-
-
-    /**
-     * returns the Stylesheet Asset from the Collection
-     * based on the supplied $identifier
-     *
-     * @param  mixed $identifier
-     * @return StylesheetAsset
-     * @since 4.9.63.p
-     */
-    public function getStylesheetAsset($identifier)
-    {
-        return $this->getAssetOfType($identifier, Asset::TYPE_CSS);
-    }
-
-
-    /**
-     * returns the Javascript Asset from the Collection
-     * based on the supplied $identifier
-     *
-     * @param  mixed $identifier
-     * @return JavascriptAsset
-     * @since 4.9.63.p
-     */
-    public function getJavascriptAsset($identifier)
-    {
-        return $this->getAssetOfType($identifier, Asset::TYPE_JS);
-    }
+	/**
+	 * AssetCollection constructor
+	 *
+	 * @throws InvalidInterfaceException
+	 */
+	public function __construct()
+	{
+		parent::__construct('EventEspresso\core\domain\values\assets\Asset');
+	}
+
+
+	/**
+	 * @return StylesheetAsset[]
+	 * @since 4.9.62.p
+	 */
+	public function getStylesheetAssets()
+	{
+		return $this->getAssetsOfType(Asset::TYPE_CSS);
+	}
+
+
+	/**
+	 * @return JavascriptAsset[]
+	 * @since 4.9.62.p
+	 */
+	public function getJavascriptAssets()
+	{
+		return $this->getAssetsOfType(Asset::TYPE_JS);
+	}
+
+
+	/**
+	 * @return ManifestFile[]
+	 * @since 4.9.62.p
+	 */
+	public function getManifestFiles()
+	{
+		return $this->getAssetsOfType(Asset::TYPE_MANIFEST);
+	}
+
+
+	/**
+	 * @param $type
+	 * @return JavascriptAsset[]|StylesheetAsset[]|ManifestFile[]
+	 * @since 4.9.62.p
+	 */
+	protected function getAssetsOfType($type)
+	{
+		$files = array();
+		$this->rewind();
+		while ($this->valid()) {
+			/** @var Asset $asset */
+			$asset = $this->current();
+			if ($asset->type() === $type) {
+				$files[ $asset->handle() ] = $asset;
+			}
+			$this->next();
+		}
+		$this->rewind();
+		return $files;
+	}
+
+
+	/**
+	 * @return JavascriptAsset[]
+	 * @since 4.9.62.p
+	 */
+	public function getJavascriptAssetsWithData()
+	{
+		$files = array();
+		$this->rewind();
+		while ($this->valid()) {
+			/** @var JavascriptAsset $asset */
+			$asset = $this->current();
+			if ($asset->type() === Asset::TYPE_JS && $asset->hasInlineData()) {
+				$files[ $asset->handle() ] = $asset;
+			}
+			$this->next();
+		}
+		$this->rewind();
+		return $files;
+	}
+
+
+	/**
+	 * returns TRUE or FALSE
+	 * depending on whether the object is within the Collection
+	 * based on the supplied $identifier and type
+	 *
+	 * @param  mixed $identifier
+	 * @param string $type
+	 * @return bool
+	 * @since 4.9.63.p
+	 */
+	public function hasAssetOfType($identifier, $type = Asset::TYPE_JS)
+	{
+		$this->rewind();
+		while ($this->valid()) {
+			if ($this->getInfo() === $identifier && $this->current()->type() === $type) {
+				$this->rewind();
+				return true;
+			}
+			$this->next();
+		}
+		return false;
+	}
+
+
+	/**
+	 * returns TRUE or FALSE
+	 * depending on whether the Javascript Asset is within the Collection
+	 * based on the supplied $identifier
+	 *
+	 * @param  mixed $identifier
+	 * @return bool
+	 * @since 4.9.63.p
+	 */
+	public function hasJavascriptAsset($identifier)
+	{
+		return $this->hasAssetOfType($identifier, Asset::TYPE_JS);
+	}
+
+
+	/**
+	 * returns TRUE or FALSE
+	 * depending on whether the Stylesheet Asset is within the Collection
+	 * based on the supplied $identifier
+	 *
+	 * @param  mixed $identifier
+	 * @return bool
+	 * @since 4.9.63.p
+	 */
+	public function hasStylesheetAsset($identifier)
+	{
+		return $this->hasAssetOfType($identifier, Asset::TYPE_CSS);
+	}
+
+	/**
+	 * returns the object from the Collection
+	 * based on the supplied $identifier and type
+	 *
+	 * @param  mixed $identifier
+	 * @param string $type
+	 * @return JavascriptAsset|StylesheetAsset
+	 * @since 4.9.63.p
+	 */
+	public function getAssetOfType($identifier, $type = Asset::TYPE_JS)
+	{
+		$this->rewind();
+		while ($this->valid()) {
+			if ($this->getInfo() === $identifier && $this->current()->type() === $type) {
+				/** @var JavascriptAsset|StylesheetAsset $object */
+				$object = $this->current();
+				$this->rewind();
+				return $object;
+			}
+			$this->next();
+		}
+		return null;
+	}
+
+
+	/**
+	 * returns the Stylesheet Asset from the Collection
+	 * based on the supplied $identifier
+	 *
+	 * @param  mixed $identifier
+	 * @return StylesheetAsset
+	 * @since 4.9.63.p
+	 */
+	public function getStylesheetAsset($identifier)
+	{
+		return $this->getAssetOfType($identifier, Asset::TYPE_CSS);
+	}
+
+
+	/**
+	 * returns the Javascript Asset from the Collection
+	 * based on the supplied $identifier
+	 *
+	 * @param  mixed $identifier
+	 * @return JavascriptAsset
+	 * @since 4.9.63.p
+	 */
+	public function getJavascriptAsset($identifier)
+	{
+		return $this->getAssetOfType($identifier, Asset::TYPE_JS);
+	}
 }

core/helpers/EEH_DTT_Helper.helper.php

Indentation +981 added lines, -981 removed lines

@@ -17,1043 +17,1043 @@
 {
 
 
-    /**
-     * return the timezone set for the WP install
-     *
-     * @return string valid timezone string for PHP DateTimeZone() class
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone()
-    {
-        return EEH_DTT_Helper::get_valid_timezone_string();
-    }
+	/**
+	 * return the timezone set for the WP install
+	 *
+	 * @return string valid timezone string for PHP DateTimeZone() class
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone()
+	{
+		return EEH_DTT_Helper::get_valid_timezone_string();
+	}
 
 
-    /**
-     * get_valid_timezone_string
-     *    ensures that a valid timezone string is returned
-     *
-     * @param string $timezone_string
-     * @return string
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_valid_timezone_string($timezone_string = '')
-    {
-        return self::getHelperAdapter()->getValidTimezoneString($timezone_string);
-    }
+	/**
+	 * get_valid_timezone_string
+	 *    ensures that a valid timezone string is returned
+	 *
+	 * @param string $timezone_string
+	 * @return string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_valid_timezone_string($timezone_string = '')
+	{
+		return self::getHelperAdapter()->getValidTimezoneString($timezone_string);
+	}
 
 
-    /**
-     * This only purpose for this static method is to validate that the incoming timezone is a valid php timezone.
-     *
-     * @static
-     * @param  string $timezone_string Timezone string to check
-     * @param bool    $throw_error
-     * @return bool
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function validate_timezone($timezone_string, $throw_error = true)
-    {
-        return self::getHelperAdapter()->validateTimezone($timezone_string, $throw_error);
-    }
+	/**
+	 * This only purpose for this static method is to validate that the incoming timezone is a valid php timezone.
+	 *
+	 * @static
+	 * @param  string $timezone_string Timezone string to check
+	 * @param bool    $throw_error
+	 * @return bool
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function validate_timezone($timezone_string, $throw_error = true)
+	{
+		return self::getHelperAdapter()->validateTimezone($timezone_string, $throw_error);
+	}
 
 
-    /**
-     * This returns a string that can represent the provided gmt offset in format that can be passed into
-     * DateTimeZone.  This is NOT a string that can be passed as a value on the WordPress timezone_string option.
-     *
-     * @param float|string $gmt_offset
-     * @return string
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone_string_from_gmt_offset($gmt_offset = '')
-    {
-        return self::getHelperAdapter()->getTimezoneStringFromGmtOffset($gmt_offset);
-    }
+	/**
+	 * This returns a string that can represent the provided gmt offset in format that can be passed into
+	 * DateTimeZone.  This is NOT a string that can be passed as a value on the WordPress timezone_string option.
+	 *
+	 * @param float|string $gmt_offset
+	 * @return string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone_string_from_gmt_offset($gmt_offset = '')
+	{
+		return self::getHelperAdapter()->getTimezoneStringFromGmtOffset($gmt_offset);
+	}
 
 
-    /**
-     * Gets the site's GMT offset based on either the timezone string
-     * (in which case teh gmt offset will vary depending on the location's
-     * observance of daylight savings time) or the gmt_offset wp option
-     *
-     * @return int seconds offset
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_site_timezone_gmt_offset()
-    {
-        return self::getHelperAdapter()->getSiteTimezoneGmtOffset();
-    }
+	/**
+	 * Gets the site's GMT offset based on either the timezone string
+	 * (in which case teh gmt offset will vary depending on the location's
+	 * observance of daylight savings time) or the gmt_offset wp option
+	 *
+	 * @return int seconds offset
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_site_timezone_gmt_offset()
+	{
+		return self::getHelperAdapter()->getSiteTimezoneGmtOffset();
+	}
 
 
-    /**
-     * Depending on PHP version,
-     * there might not be valid current timezone strings to match these gmt_offsets in its timezone tables.
-     * To get around that, for these fringe timezones we bump them to a known valid offset.
-     * This method should ONLY be called after first verifying an timezone_string cannot be retrieved for the offset.
-     *
-     * @deprecated 4.9.54.rc    Developers this was always meant to only be an internally used method.  This will be
-     *                          removed in a future version of EE.
-     * @param int $gmt_offset
-     * @return int
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function adjust_invalid_gmt_offsets($gmt_offset = 0)
-    {
-        return self::getHelperAdapter()->adjustInvalidGmtOffsets($gmt_offset);
-    }
+	/**
+	 * Depending on PHP version,
+	 * there might not be valid current timezone strings to match these gmt_offsets in its timezone tables.
+	 * To get around that, for these fringe timezones we bump them to a known valid offset.
+	 * This method should ONLY be called after first verifying an timezone_string cannot be retrieved for the offset.
+	 *
+	 * @deprecated 4.9.54.rc    Developers this was always meant to only be an internally used method.  This will be
+	 *                          removed in a future version of EE.
+	 * @param int $gmt_offset
+	 * @return int
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function adjust_invalid_gmt_offsets($gmt_offset = 0)
+	{
+		return self::getHelperAdapter()->adjustInvalidGmtOffsets($gmt_offset);
+	}
 
 
-    /**
-     * get_timezone_string_from_abbreviations_list
-     *
-     * @deprecated 4.9.54.rc  Developers, this was never intended to be public.  This is a soft deprecation for now.
-     *                        If you are using this, you'll want to work out an alternate way of getting the value.
-     * @param int  $gmt_offset
-     * @param bool $coerce If true, we attempt to coerce with our adjustment table @see self::adjust_invalid_gmt_offset.
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone_string_from_abbreviations_list($gmt_offset = 0, $coerce = true)
-    {
-        $gmt_offset =  (int) $gmt_offset;
-        /** @var array[] $abbreviations */
-        $abbreviations = DateTimeZone::listAbbreviations();
-        foreach ($abbreviations as $abbreviation) {
-            foreach ($abbreviation as $timezone) {
-                if ((int) $timezone['offset'] === $gmt_offset && (bool) $timezone['dst'] === false) {
-                    try {
-                        $offset = self::get_timezone_offset(new DateTimeZone($timezone['timezone_id']));
-                        if ($offset !== $gmt_offset) {
-                            continue;
-                        }
-                        return $timezone['timezone_id'];
-                    } catch (Exception $e) {
-                        continue;
-                    }
-                }
-            }
-        }
-        // if $coerce is true, let's see if we can get a timezone string after the offset is adjusted
-        if ($coerce === true) {
-            $timezone_string = self::get_timezone_string_from_abbreviations_list(
-                self::adjust_invalid_gmt_offsets($gmt_offset),
-                false
-            );
-            if ($timezone_string) {
-                return $timezone_string;
-            }
-        }
-        throw new EE_Error(
-            sprintf(
-                esc_html__(
-                    'The provided GMT offset (%1$s), is invalid, please check with %2$sthis list%3$s for what valid timezones can be used',
-                    'event_espresso'
-                ),
-                $gmt_offset / HOUR_IN_SECONDS,
-                '<a href="http://www.php.net/manual/en/timezones.php">',
-                '</a>'
-            )
-        );
-    }
+	/**
+	 * get_timezone_string_from_abbreviations_list
+	 *
+	 * @deprecated 4.9.54.rc  Developers, this was never intended to be public.  This is a soft deprecation for now.
+	 *                        If you are using this, you'll want to work out an alternate way of getting the value.
+	 * @param int  $gmt_offset
+	 * @param bool $coerce If true, we attempt to coerce with our adjustment table @see self::adjust_invalid_gmt_offset.
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone_string_from_abbreviations_list($gmt_offset = 0, $coerce = true)
+	{
+		$gmt_offset =  (int) $gmt_offset;
+		/** @var array[] $abbreviations */
+		$abbreviations = DateTimeZone::listAbbreviations();
+		foreach ($abbreviations as $abbreviation) {
+			foreach ($abbreviation as $timezone) {
+				if ((int) $timezone['offset'] === $gmt_offset && (bool) $timezone['dst'] === false) {
+					try {
+						$offset = self::get_timezone_offset(new DateTimeZone($timezone['timezone_id']));
+						if ($offset !== $gmt_offset) {
+							continue;
+						}
+						return $timezone['timezone_id'];
+					} catch (Exception $e) {
+						continue;
+					}
+				}
+			}
+		}
+		// if $coerce is true, let's see if we can get a timezone string after the offset is adjusted
+		if ($coerce === true) {
+			$timezone_string = self::get_timezone_string_from_abbreviations_list(
+				self::adjust_invalid_gmt_offsets($gmt_offset),
+				false
+			);
+			if ($timezone_string) {
+				return $timezone_string;
+			}
+		}
+		throw new EE_Error(
+			sprintf(
+				esc_html__(
+					'The provided GMT offset (%1$s), is invalid, please check with %2$sthis list%3$s for what valid timezones can be used',
+					'event_espresso'
+				),
+				$gmt_offset / HOUR_IN_SECONDS,
+				'<a href="http://www.php.net/manual/en/timezones.php">',
+				'</a>'
+			)
+		);
+	}
 
 
-    /**
-     * Get Timezone Transitions
-     *
-     * @param DateTimeZone $date_time_zone
-     * @param int|null     $time
-     * @param bool         $first_only
-     * @return array
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone_transitions(DateTimeZone $date_time_zone, $time = null, $first_only = true)
-    {
-        return self::getHelperAdapter()->getTimezoneTransitions($date_time_zone, $time, $first_only);
-    }
+	/**
+	 * Get Timezone Transitions
+	 *
+	 * @param DateTimeZone $date_time_zone
+	 * @param int|null     $time
+	 * @param bool         $first_only
+	 * @return array
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone_transitions(DateTimeZone $date_time_zone, $time = null, $first_only = true)
+	{
+		return self::getHelperAdapter()->getTimezoneTransitions($date_time_zone, $time, $first_only);
+	}
 
 
-    /**
-     * Get Timezone Offset for given timezone object.
-     *
-     * @param DateTimeZone $date_time_zone
-     * @param null         $time
-     * @return mixed
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone_offset(DateTimeZone $date_time_zone, $time = null)
-    {
-        return self::getHelperAdapter()->getTimezoneOffset($date_time_zone, $time);
-    }
+	/**
+	 * Get Timezone Offset for given timezone object.
+	 *
+	 * @param DateTimeZone $date_time_zone
+	 * @param null         $time
+	 * @return mixed
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone_offset(DateTimeZone $date_time_zone, $time = null)
+	{
+		return self::getHelperAdapter()->getTimezoneOffset($date_time_zone, $time);
+	}
 
 
-    /**
-     * Prints a select input for the given timezone string.
-     * @param string $timezone_string
-     * @deprecatd 4.9.54.rc   Soft deprecation.  Consider using \EEH_DTT_Helper::wp_timezone_choice instead.
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function timezone_select_input($timezone_string = '')
-    {
-        self::getHelperAdapter()->timezoneSelectInput($timezone_string);
-    }
+	/**
+	 * Prints a select input for the given timezone string.
+	 * @param string $timezone_string
+	 * @deprecatd 4.9.54.rc   Soft deprecation.  Consider using \EEH_DTT_Helper::wp_timezone_choice instead.
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function timezone_select_input($timezone_string = '')
+	{
+		self::getHelperAdapter()->timezoneSelectInput($timezone_string);
+	}
 
 
-    /**
-     * This method will take an incoming unix timestamp and add the offset to it for the given timezone_string.
-     * If no unix timestamp is given then time() is used.  If no timezone is given then the set timezone string for
-     * the site is used.
-     * This is used typically when using a Unix timestamp any core WP functions that expect their specially
-     * computed timestamp (i.e. date_i18n() )
-     *
-     * @param int    $unix_timestamp                  if 0, then time() will be used.
-     * @param string $timezone_string                 timezone_string. If empty, then the current set timezone for the
-     *                                                site will be used.
-     * @return int $unix_timestamp with the offset applied for the given timezone.
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timestamp_with_offset($unix_timestamp = 0, $timezone_string = '')
-    {
-        return self::getHelperAdapter()->getTimestampWithOffset($unix_timestamp, $timezone_string);
-    }
+	/**
+	 * This method will take an incoming unix timestamp and add the offset to it for the given timezone_string.
+	 * If no unix timestamp is given then time() is used.  If no timezone is given then the set timezone string for
+	 * the site is used.
+	 * This is used typically when using a Unix timestamp any core WP functions that expect their specially
+	 * computed timestamp (i.e. date_i18n() )
+	 *
+	 * @param int    $unix_timestamp                  if 0, then time() will be used.
+	 * @param string $timezone_string                 timezone_string. If empty, then the current set timezone for the
+	 *                                                site will be used.
+	 * @return int $unix_timestamp with the offset applied for the given timezone.
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timestamp_with_offset($unix_timestamp = 0, $timezone_string = '')
+	{
+		return self::getHelperAdapter()->getTimestampWithOffset($unix_timestamp, $timezone_string);
+	}
 
 
-    /**
-     *    _set_date_time_field
-     *    modifies EE_Base_Class EE_Datetime_Field objects
-     *
-     * @param  EE_Base_Class $obj                 EE_Base_Class object
-     * @param    DateTime    $DateTime            PHP DateTime object
-     * @param  string        $datetime_field_name the datetime fieldname to be manipulated
-     * @return EE_Base_Class
-     * @throws EE_Error
-     */
-    protected static function _set_date_time_field(EE_Base_Class $obj, DateTime $DateTime, $datetime_field_name)
-    {
-        // grab current datetime format
-        $current_format = $obj->get_format();
-        // set new full timestamp format
-        $obj->set_date_format(EE_Datetime_Field::mysql_date_format);
-        $obj->set_time_format(EE_Datetime_Field::mysql_time_format);
-        // set the new date value using a full timestamp format so that no data is lost
-        $obj->set($datetime_field_name, $DateTime->format(EE_Datetime_Field::mysql_timestamp_format));
-        // reset datetime formats
-        $obj->set_date_format($current_format[0]);
-        $obj->set_time_format($current_format[1]);
-        return $obj;
-    }
+	/**
+	 *    _set_date_time_field
+	 *    modifies EE_Base_Class EE_Datetime_Field objects
+	 *
+	 * @param  EE_Base_Class $obj                 EE_Base_Class object
+	 * @param    DateTime    $DateTime            PHP DateTime object
+	 * @param  string        $datetime_field_name the datetime fieldname to be manipulated
+	 * @return EE_Base_Class
+	 * @throws EE_Error
+	 */
+	protected static function _set_date_time_field(EE_Base_Class $obj, DateTime $DateTime, $datetime_field_name)
+	{
+		// grab current datetime format
+		$current_format = $obj->get_format();
+		// set new full timestamp format
+		$obj->set_date_format(EE_Datetime_Field::mysql_date_format);
+		$obj->set_time_format(EE_Datetime_Field::mysql_time_format);
+		// set the new date value using a full timestamp format so that no data is lost
+		$obj->set($datetime_field_name, $DateTime->format(EE_Datetime_Field::mysql_timestamp_format));
+		// reset datetime formats
+		$obj->set_date_format($current_format[0]);
+		$obj->set_time_format($current_format[1]);
+		return $obj;
+	}
 
 
-    /**
-     *    date_time_add
-     *    helper for doing simple datetime calculations on a given datetime from EE_Base_Class
-     *    and modifying it IN the EE_Base_Class so you don't have to do anything else.
-     *
-     * @param  EE_Base_Class $obj                 EE_Base_Class object
-     * @param  string        $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
-     * @param  string        $period              what you are adding. The options are (years, months, days, hours,
-     *                                            minutes, seconds) defaults to years
-     * @param  integer       $value               what you want to increment the time by
-     * @return EE_Base_Class return the EE_Base_Class object so right away you can do something with it
-     *                                            (chaining)
-     * @throws EE_Error
-     * @throws Exception
-     */
-    public static function date_time_add(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
-    {
-        // get the raw UTC date.
-        $DateTime = $obj->get_DateTime_object($datetime_field_name);
-        $DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value);
-        return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
-    }
+	/**
+	 *    date_time_add
+	 *    helper for doing simple datetime calculations on a given datetime from EE_Base_Class
+	 *    and modifying it IN the EE_Base_Class so you don't have to do anything else.
+	 *
+	 * @param  EE_Base_Class $obj                 EE_Base_Class object
+	 * @param  string        $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
+	 * @param  string        $period              what you are adding. The options are (years, months, days, hours,
+	 *                                            minutes, seconds) defaults to years
+	 * @param  integer       $value               what you want to increment the time by
+	 * @return EE_Base_Class return the EE_Base_Class object so right away you can do something with it
+	 *                                            (chaining)
+	 * @throws EE_Error
+	 * @throws Exception
+	 */
+	public static function date_time_add(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
+	{
+		// get the raw UTC date.
+		$DateTime = $obj->get_DateTime_object($datetime_field_name);
+		$DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value);
+		return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
+	}
 
 
-    /**
-     *    date_time_subtract
-     *    same as date_time_add except subtracting value instead of adding.
-     *
-     * @param EE_Base_Class $obj
-     * @param  string       $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
-     * @param string        $period
-     * @param int           $value
-     * @return EE_Base_Class
-     * @throws EE_Error
-     * @throws Exception
-     */
-    public static function date_time_subtract(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
-    {
-        // get the raw UTC date
-        $DateTime = $obj->get_DateTime_object($datetime_field_name);
-        $DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value, '-');
-        return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
-    }
+	/**
+	 *    date_time_subtract
+	 *    same as date_time_add except subtracting value instead of adding.
+	 *
+	 * @param EE_Base_Class $obj
+	 * @param  string       $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
+	 * @param string        $period
+	 * @param int           $value
+	 * @return EE_Base_Class
+	 * @throws EE_Error
+	 * @throws Exception
+	 */
+	public static function date_time_subtract(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
+	{
+		// get the raw UTC date
+		$DateTime = $obj->get_DateTime_object($datetime_field_name);
+		$DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value, '-');
+		return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
+	}
 
 
-    /**
-     * Simply takes an incoming DateTime object and does calculations on it based on the incoming parameters
-     *
-     * @param  DateTime   $DateTime DateTime object
-     * @param  string     $period   a value to indicate what interval is being used in the calculation. The options are
-     *                              'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
-     * @param  int|string $value    What you want to increment the date by
-     * @param  string     $operand  What operand you wish to use for the calculation
-     * @return DateTime return whatever type came in.
-     * @throws Exception
-     * @throws EE_Error
-     */
-    protected static function _modify_datetime_object(DateTime $DateTime, $period = 'years', $value = 1, $operand = '+')
-    {
-        if (! $DateTime instanceof DateTime) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__('Expected a PHP DateTime object, but instead received %1$s', 'event_espresso'),
-                    print_r($DateTime, true)
-                )
-            );
-        }
-        switch ($period) {
-            case 'years':
-                $value = 'P' . $value . 'Y';
-                break;
-            case 'months':
-                $value = 'P' . $value . 'M';
-                break;
-            case 'weeks':
-                $value = 'P' . $value . 'W';
-                break;
-            case 'days':
-                $value = 'P' . $value . 'D';
-                break;
-            case 'hours':
-                $value = 'PT' . $value . 'H';
-                break;
-            case 'minutes':
-                $value = 'PT' . $value . 'M';
-                break;
-            case 'seconds':
-                $value = 'PT' . $value . 'S';
-                break;
-        }
-        switch ($operand) {
-            case '+':
-                $DateTime->add(new DateInterval($value));
-                break;
-            case '-':
-                $DateTime->sub(new DateInterval($value));
-                break;
-        }
-        return $DateTime;
-    }
+	/**
+	 * Simply takes an incoming DateTime object and does calculations on it based on the incoming parameters
+	 *
+	 * @param  DateTime   $DateTime DateTime object
+	 * @param  string     $period   a value to indicate what interval is being used in the calculation. The options are
+	 *                              'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
+	 * @param  int|string $value    What you want to increment the date by
+	 * @param  string     $operand  What operand you wish to use for the calculation
+	 * @return DateTime return whatever type came in.
+	 * @throws Exception
+	 * @throws EE_Error
+	 */
+	protected static function _modify_datetime_object(DateTime $DateTime, $period = 'years', $value = 1, $operand = '+')
+	{
+		if (! $DateTime instanceof DateTime) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__('Expected a PHP DateTime object, but instead received %1$s', 'event_espresso'),
+					print_r($DateTime, true)
+				)
+			);
+		}
+		switch ($period) {
+			case 'years':
+				$value = 'P' . $value . 'Y';
+				break;
+			case 'months':
+				$value = 'P' . $value . 'M';
+				break;
+			case 'weeks':
+				$value = 'P' . $value . 'W';
+				break;
+			case 'days':
+				$value = 'P' . $value . 'D';
+				break;
+			case 'hours':
+				$value = 'PT' . $value . 'H';
+				break;
+			case 'minutes':
+				$value = 'PT' . $value . 'M';
+				break;
+			case 'seconds':
+				$value = 'PT' . $value . 'S';
+				break;
+		}
+		switch ($operand) {
+			case '+':
+				$DateTime->add(new DateInterval($value));
+				break;
+			case '-':
+				$DateTime->sub(new DateInterval($value));
+				break;
+		}
+		return $DateTime;
+	}
 
 
-    /**
-     * Simply takes an incoming Unix timestamp and does calculations on it based on the incoming parameters
-     *
-     * @param  int     $timestamp Unix timestamp
-     * @param  string  $period    a value to indicate what interval is being used in the calculation. The options are
-     *                            'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
-     * @param  integer $value     What you want to increment the date by
-     * @param  string  $operand   What operand you wish to use for the calculation
-     * @return int
-     * @throws EE_Error
-     */
-    protected static function _modify_timestamp($timestamp, $period = 'years', $value = 1, $operand = '+')
-    {
-        if (! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__('Expected a Unix timestamp, but instead received %1$s', 'event_espresso'),
-                    print_r($timestamp, true)
-                )
-            );
-        }
-        switch ($period) {
-            case 'years':
-                $value = YEAR_IN_SECONDS * $value;
-                break;
-            case 'months':
-                $value = YEAR_IN_SECONDS / 12 * $value;
-                break;
-            case 'weeks':
-                $value = WEEK_IN_SECONDS * $value;
-                break;
-            case 'days':
-                $value = DAY_IN_SECONDS * $value;
-                break;
-            case 'hours':
-                $value = HOUR_IN_SECONDS * $value;
-                break;
-            case 'minutes':
-                $value = MINUTE_IN_SECONDS * $value;
-                break;
-        }
-        switch ($operand) {
-            case '+':
-                $timestamp += $value;
-                break;
-            case '-':
-                $timestamp -= $value;
-                break;
-        }
-        return $timestamp;
-    }
+	/**
+	 * Simply takes an incoming Unix timestamp and does calculations on it based on the incoming parameters
+	 *
+	 * @param  int     $timestamp Unix timestamp
+	 * @param  string  $period    a value to indicate what interval is being used in the calculation. The options are
+	 *                            'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
+	 * @param  integer $value     What you want to increment the date by
+	 * @param  string  $operand   What operand you wish to use for the calculation
+	 * @return int
+	 * @throws EE_Error
+	 */
+	protected static function _modify_timestamp($timestamp, $period = 'years', $value = 1, $operand = '+')
+	{
+		if (! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__('Expected a Unix timestamp, but instead received %1$s', 'event_espresso'),
+					print_r($timestamp, true)
+				)
+			);
+		}
+		switch ($period) {
+			case 'years':
+				$value = YEAR_IN_SECONDS * $value;
+				break;
+			case 'months':
+				$value = YEAR_IN_SECONDS / 12 * $value;
+				break;
+			case 'weeks':
+				$value = WEEK_IN_SECONDS * $value;
+				break;
+			case 'days':
+				$value = DAY_IN_SECONDS * $value;
+				break;
+			case 'hours':
+				$value = HOUR_IN_SECONDS * $value;
+				break;
+			case 'minutes':
+				$value = MINUTE_IN_SECONDS * $value;
+				break;
+		}
+		switch ($operand) {
+			case '+':
+				$timestamp += $value;
+				break;
+			case '-':
+				$timestamp -= $value;
+				break;
+		}
+		return $timestamp;
+	}
 
 
-    /**
-     * Simply takes an incoming UTC timestamp or DateTime object and does calculations on it based on the incoming
-     * parameters and returns the new timestamp or DateTime.
-     *
-     * @param  int | DateTime $DateTime_or_timestamp DateTime object or Unix timestamp
-     * @param  string         $period                a value to indicate what interval is being used in the
-     *                                               calculation. The options are 'years', 'months', 'days', 'hours',
-     *                                               'minutes', 'seconds'. Defaults to years.
-     * @param  integer        $value                 What you want to increment the date by
-     * @param  string         $operand               What operand you wish to use for the calculation
-     * @return mixed string|DateTime          return whatever type came in.
-     * @throws Exception
-     * @throws EE_Error
-     */
-    public static function calc_date($DateTime_or_timestamp, $period = 'years', $value = 1, $operand = '+')
-    {
-        if ($DateTime_or_timestamp instanceof DateTime) {
-            return EEH_DTT_Helper::_modify_datetime_object(
-                $DateTime_or_timestamp,
-                $period,
-                $value,
-                $operand
-            );
-        }
-        if (preg_match(EE_Datetime_Field::unix_timestamp_regex, $DateTime_or_timestamp)) {
-            return EEH_DTT_Helper::_modify_timestamp(
-                $DateTime_or_timestamp,
-                $period,
-                $value,
-                $operand
-            );
-        }
-        // error
-        return $DateTime_or_timestamp;
-    }
+	/**
+	 * Simply takes an incoming UTC timestamp or DateTime object and does calculations on it based on the incoming
+	 * parameters and returns the new timestamp or DateTime.
+	 *
+	 * @param  int | DateTime $DateTime_or_timestamp DateTime object or Unix timestamp
+	 * @param  string         $period                a value to indicate what interval is being used in the
+	 *                                               calculation. The options are 'years', 'months', 'days', 'hours',
+	 *                                               'minutes', 'seconds'. Defaults to years.
+	 * @param  integer        $value                 What you want to increment the date by
+	 * @param  string         $operand               What operand you wish to use for the calculation
+	 * @return mixed string|DateTime          return whatever type came in.
+	 * @throws Exception
+	 * @throws EE_Error
+	 */
+	public static function calc_date($DateTime_or_timestamp, $period = 'years', $value = 1, $operand = '+')
+	{
+		if ($DateTime_or_timestamp instanceof DateTime) {
+			return EEH_DTT_Helper::_modify_datetime_object(
+				$DateTime_or_timestamp,
+				$period,
+				$value,
+				$operand
+			);
+		}
+		if (preg_match(EE_Datetime_Field::unix_timestamp_regex, $DateTime_or_timestamp)) {
+			return EEH_DTT_Helper::_modify_timestamp(
+				$DateTime_or_timestamp,
+				$period,
+				$value,
+				$operand
+			);
+		}
+		// error
+		return $DateTime_or_timestamp;
+	}
 
 
-    /**
-     * The purpose of this helper method is to receive an incoming format string in php date/time format
-     * and spit out the js and moment.js equivalent formats.
-     * Note, if no format string is given, then it is assumed the user wants what is set for WP.
-     * Note, js date and time formats are those used by the jquery-ui datepicker and the jquery-ui date-
-     * time picker.
-     *
-     * @see http://stackoverflow.com/posts/16725290/ for the code inspiration.
-     * @param string $date_format_string
-     * @param string $time_format_string
-     * @return array
-     *              array(
-     *              'js' => array (
-     *              'date' => //date format
-     *              'time' => //time format
-     *              ),
-     *              'moment' => //date and time format.
-     *              )
-     */
-    public static function convert_php_to_js_and_moment_date_formats(
-        $date_format_string = null,
-        $time_format_string = null
-    ) {
-        if ($date_format_string === null) {
-            $date_format_string = (string) get_option('date_format');
-        }
-        if ($time_format_string === null) {
-            $time_format_string = (string) get_option('time_format');
-        }
-        $date_format = self::_php_to_js_moment_converter($date_format_string);
-        $time_format = self::_php_to_js_moment_converter($time_format_string);
-        return array(
-            'js'     => array(
-                'date' => $date_format['js'],
-                'time' => $time_format['js'],
-            ),
-            'moment' => $date_format['moment'] . ' ' . $time_format['moment'],
-            'moment_split' => array(
-                'date' => $date_format['moment'],
-                'time' => $time_format['moment']
-            )
-        );
-    }
+	/**
+	 * The purpose of this helper method is to receive an incoming format string in php date/time format
+	 * and spit out the js and moment.js equivalent formats.
+	 * Note, if no format string is given, then it is assumed the user wants what is set for WP.
+	 * Note, js date and time formats are those used by the jquery-ui datepicker and the jquery-ui date-
+	 * time picker.
+	 *
+	 * @see http://stackoverflow.com/posts/16725290/ for the code inspiration.
+	 * @param string $date_format_string
+	 * @param string $time_format_string
+	 * @return array
+	 *              array(
+	 *              'js' => array (
+	 *              'date' => //date format
+	 *              'time' => //time format
+	 *              ),
+	 *              'moment' => //date and time format.
+	 *              )
+	 */
+	public static function convert_php_to_js_and_moment_date_formats(
+		$date_format_string = null,
+		$time_format_string = null
+	) {
+		if ($date_format_string === null) {
+			$date_format_string = (string) get_option('date_format');
+		}
+		if ($time_format_string === null) {
+			$time_format_string = (string) get_option('time_format');
+		}
+		$date_format = self::_php_to_js_moment_converter($date_format_string);
+		$time_format = self::_php_to_js_moment_converter($time_format_string);
+		return array(
+			'js'     => array(
+				'date' => $date_format['js'],
+				'time' => $time_format['js'],
+			),
+			'moment' => $date_format['moment'] . ' ' . $time_format['moment'],
+			'moment_split' => array(
+				'date' => $date_format['moment'],
+				'time' => $time_format['moment']
+			)
+		);
+	}
 
 
-    /**
-     * This converts incoming format string into js and moment variations.
-     *
-     * @param string $format_string incoming php format string
-     * @return array js and moment formats.
-     */
-    protected static function _php_to_js_moment_converter($format_string)
-    {
-        /**
-         * This is a map of symbols for formats.
-         * The index is the php symbol, the equivalent values are in the array.
-         *
-         * @var array
-         */
-        $symbols_map          = array(
-            // Day
-            // 01
-            'd' => array(
-                'js'     => 'dd',
-                'moment' => 'DD',
-            ),
-            // Mon
-            'D' => array(
-                'js'     => 'D',
-                'moment' => 'ddd',
-            ),
-            // 1,2,...31
-            'j' => array(
-                'js'     => 'd',
-                'moment' => 'D',
-            ),
-            // Monday
-            'l' => array(
-                'js'     => 'DD',
-                'moment' => 'dddd',
-            ),
-            // ISO numeric representation of the day of the week (1-6)
-            'N' => array(
-                'js'     => '',
-                'moment' => 'E',
-            ),
-            // st,nd.rd
-            'S' => array(
-                'js'     => '',
-                'moment' => 'o',
-            ),
-            // numeric representation of day of week (0-6)
-            'w' => array(
-                'js'     => '',
-                'moment' => 'd',
-            ),
-            // day of year starting from 0 (0-365)
-            'z' => array(
-                'js'     => 'o',
-                'moment' => 'DDD' // note moment does not start with 0 so will need to modify by subtracting 1
-            ),
-            // Week
-            // ISO-8601 week number of year (weeks starting on monday)
-            'W' => array(
-                'js'     => '',
-                'moment' => 'w',
-            ),
-            // Month
-            // January...December
-            'F' => array(
-                'js'     => 'MM',
-                'moment' => 'MMMM',
-            ),
-            // 01...12
-            'm' => array(
-                'js'     => 'mm',
-                'moment' => 'MM',
-            ),
-            // Jan...Dec
-            'M' => array(
-                'js'     => 'M',
-                'moment' => 'MMM',
-            ),
-            // 1-12
-            'n' => array(
-                'js'     => 'm',
-                'moment' => 'M',
-            ),
-            // number of days in given month
-            't' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-            // Year
-            // whether leap year or not 1/0
-            'L' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-            // ISO-8601 year number
-            'o' => array(
-                'js'     => '',
-                'moment' => 'GGGG',
-            ),
-            // 1999...2003
-            'Y' => array(
-                'js'     => 'yy',
-                'moment' => 'YYYY',
-            ),
-            // 99...03
-            'y' => array(
-                'js'     => 'y',
-                'moment' => 'YY',
-            ),
-            // Time
-            // am/pm
-            'a' => array(
-                'js'     => 'tt',
-                'moment' => 'a',
-            ),
-            // AM/PM
-            'A' => array(
-                'js'     => 'TT',
-                'moment' => 'A',
-            ),
-            // Swatch Internet Time?!?
-            'B' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-            // 1...12
-            'g' => array(
-                'js'     => 'h',
-                'moment' => 'h',
-            ),
-            // 0...23
-            'G' => array(
-                'js'     => 'H',
-                'moment' => 'H',
-            ),
-            // 01...12
-            'h' => array(
-                'js'     => 'hh',
-                'moment' => 'hh',
-            ),
-            // 00...23
-            'H' => array(
-                'js'     => 'HH',
-                'moment' => 'HH',
-            ),
-            // 00..59
-            'i' => array(
-                'js'     => 'mm',
-                'moment' => 'mm',
-            ),
-            // seconds... 00...59
-            's' => array(
-                'js'     => 'ss',
-                'moment' => 'ss',
-            ),
-            // microseconds
-            'u' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-        );
-        $jquery_ui_format     = '';
-        $moment_format        = '';
-        $escaping             = false;
-        $format_string_length = strlen($format_string);
-        for ($i = 0; $i < $format_string_length; $i++) {
-            $char = $format_string[ $i ];
-            if ($char === '\\') { // PHP date format escaping character
-                $i++;
-                if ($escaping) {
-                    $jquery_ui_format .= $format_string[ $i ];
-                    $moment_format    .= $format_string[ $i ];
-                } else {
-                    $jquery_ui_format .= '\'' . $format_string[ $i ];
-                    $moment_format    .= $format_string[ $i ];
-                }
-                $escaping = true;
-            } else {
-                if ($escaping) {
-                    $jquery_ui_format .= "'";
-                    $moment_format    .= "'";
-                    $escaping         = false;
-                }
-                if (isset($symbols_map[ $char ])) {
-                    $jquery_ui_format .= $symbols_map[ $char ]['js'];
-                    $moment_format    .= $symbols_map[ $char ]['moment'];
-                } else {
-                    $jquery_ui_format .= $char;
-                    $moment_format    .= $char;
-                }
-            }
-        }
-        return array('js' => $jquery_ui_format, 'moment' => $moment_format);
-    }
+	/**
+	 * This converts incoming format string into js and moment variations.
+	 *
+	 * @param string $format_string incoming php format string
+	 * @return array js and moment formats.
+	 */
+	protected static function _php_to_js_moment_converter($format_string)
+	{
+		/**
+		 * This is a map of symbols for formats.
+		 * The index is the php symbol, the equivalent values are in the array.
+		 *
+		 * @var array
+		 */
+		$symbols_map          = array(
+			// Day
+			// 01
+			'd' => array(
+				'js'     => 'dd',
+				'moment' => 'DD',
+			),
+			// Mon
+			'D' => array(
+				'js'     => 'D',
+				'moment' => 'ddd',
+			),
+			// 1,2,...31
+			'j' => array(
+				'js'     => 'd',
+				'moment' => 'D',
+			),
+			// Monday
+			'l' => array(
+				'js'     => 'DD',
+				'moment' => 'dddd',
+			),
+			// ISO numeric representation of the day of the week (1-6)
+			'N' => array(
+				'js'     => '',
+				'moment' => 'E',
+			),
+			// st,nd.rd
+			'S' => array(
+				'js'     => '',
+				'moment' => 'o',
+			),
+			// numeric representation of day of week (0-6)
+			'w' => array(
+				'js'     => '',
+				'moment' => 'd',
+			),
+			// day of year starting from 0 (0-365)
+			'z' => array(
+				'js'     => 'o',
+				'moment' => 'DDD' // note moment does not start with 0 so will need to modify by subtracting 1
+			),
+			// Week
+			// ISO-8601 week number of year (weeks starting on monday)
+			'W' => array(
+				'js'     => '',
+				'moment' => 'w',
+			),
+			// Month
+			// January...December
+			'F' => array(
+				'js'     => 'MM',
+				'moment' => 'MMMM',
+			),
+			// 01...12
+			'm' => array(
+				'js'     => 'mm',
+				'moment' => 'MM',
+			),
+			// Jan...Dec
+			'M' => array(
+				'js'     => 'M',
+				'moment' => 'MMM',
+			),
+			// 1-12
+			'n' => array(
+				'js'     => 'm',
+				'moment' => 'M',
+			),
+			// number of days in given month
+			't' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+			// Year
+			// whether leap year or not 1/0
+			'L' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+			// ISO-8601 year number
+			'o' => array(
+				'js'     => '',
+				'moment' => 'GGGG',
+			),
+			// 1999...2003
+			'Y' => array(
+				'js'     => 'yy',
+				'moment' => 'YYYY',
+			),
+			// 99...03
+			'y' => array(
+				'js'     => 'y',
+				'moment' => 'YY',
+			),
+			// Time
+			// am/pm
+			'a' => array(
+				'js'     => 'tt',
+				'moment' => 'a',
+			),
+			// AM/PM
+			'A' => array(
+				'js'     => 'TT',
+				'moment' => 'A',
+			),
+			// Swatch Internet Time?!?
+			'B' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+			// 1...12
+			'g' => array(
+				'js'     => 'h',
+				'moment' => 'h',
+			),
+			// 0...23
+			'G' => array(
+				'js'     => 'H',
+				'moment' => 'H',
+			),
+			// 01...12
+			'h' => array(
+				'js'     => 'hh',
+				'moment' => 'hh',
+			),
+			// 00...23
+			'H' => array(
+				'js'     => 'HH',
+				'moment' => 'HH',
+			),
+			// 00..59
+			'i' => array(
+				'js'     => 'mm',
+				'moment' => 'mm',
+			),
+			// seconds... 00...59
+			's' => array(
+				'js'     => 'ss',
+				'moment' => 'ss',
+			),
+			// microseconds
+			'u' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+		);
+		$jquery_ui_format     = '';
+		$moment_format        = '';
+		$escaping             = false;
+		$format_string_length = strlen($format_string);
+		for ($i = 0; $i < $format_string_length; $i++) {
+			$char = $format_string[ $i ];
+			if ($char === '\\') { // PHP date format escaping character
+				$i++;
+				if ($escaping) {
+					$jquery_ui_format .= $format_string[ $i ];
+					$moment_format    .= $format_string[ $i ];
+				} else {
+					$jquery_ui_format .= '\'' . $format_string[ $i ];
+					$moment_format    .= $format_string[ $i ];
+				}
+				$escaping = true;
+			} else {
+				if ($escaping) {
+					$jquery_ui_format .= "'";
+					$moment_format    .= "'";
+					$escaping         = false;
+				}
+				if (isset($symbols_map[ $char ])) {
+					$jquery_ui_format .= $symbols_map[ $char ]['js'];
+					$moment_format    .= $symbols_map[ $char ]['moment'];
+				} else {
+					$jquery_ui_format .= $char;
+					$moment_format    .= $char;
+				}
+			}
+		}
+		return array('js' => $jquery_ui_format, 'moment' => $moment_format);
+	}
 
 
-    /**
-     * This takes an incoming format string and validates it to ensure it will work fine with PHP.
-     *
-     * @param string $format_string   Incoming format string for php date().
-     * @return mixed bool|array  If all is okay then TRUE is returned.  Otherwise an array of validation
-     *                                errors is returned.  So for client code calling, check for is_array() to
-     *                                indicate failed validations.
-     */
-    public static function validate_format_string($format_string)
-    {
-        $error_msg = array();
-        // time format checks
-        switch (true) {
-            case strpos($format_string, 'h') !== false:
-            case strpos($format_string, 'g') !== false:
-                /**
-                 * if the time string has a lowercase 'h' which == 12 hour time format and there
-                 * is not any ante meridiem format ('a' or 'A').  Then throw an error because its
-                 * too ambiguous and PHP won't be able to figure out whether 1 = 1pm or 1am.
-                 */
-                if (stripos($format_string, 'A') === false) {
-                    $error_msg[] = esc_html__(
-                        'There is a  time format for 12 hour time but no  "a" or "A" to indicate am/pm.  Without this distinction, PHP is unable to determine if a "1" for the hour value equals "1pm" or "1am".',
-                        'event_espresso'
-                    );
-                }
-                break;
-        }
-        return empty($error_msg) ? true : $error_msg;
-    }
+	/**
+	 * This takes an incoming format string and validates it to ensure it will work fine with PHP.
+	 *
+	 * @param string $format_string   Incoming format string for php date().
+	 * @return mixed bool|array  If all is okay then TRUE is returned.  Otherwise an array of validation
+	 *                                errors is returned.  So for client code calling, check for is_array() to
+	 *                                indicate failed validations.
+	 */
+	public static function validate_format_string($format_string)
+	{
+		$error_msg = array();
+		// time format checks
+		switch (true) {
+			case strpos($format_string, 'h') !== false:
+			case strpos($format_string, 'g') !== false:
+				/**
+				 * if the time string has a lowercase 'h' which == 12 hour time format and there
+				 * is not any ante meridiem format ('a' or 'A').  Then throw an error because its
+				 * too ambiguous and PHP won't be able to figure out whether 1 = 1pm or 1am.
+				 */
+				if (stripos($format_string, 'A') === false) {
+					$error_msg[] = esc_html__(
+						'There is a  time format for 12 hour time but no  "a" or "A" to indicate am/pm.  Without this distinction, PHP is unable to determine if a "1" for the hour value equals "1pm" or "1am".',
+						'event_espresso'
+					);
+				}
+				break;
+		}
+		return empty($error_msg) ? true : $error_msg;
+	}
 
 
-    /**
-     *     If the the first date starts at midnight on one day, and the next date ends at midnight on the
-     *     very next day then this method will return true.
-     *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-16 00:00:00 then this function will return true.
-     *    If $date_1 = 2015-12-15 03:00:00 and $date_2 = 2015-12_16 03:00:00 then this function will return false.
-     *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-15 00:00:00 then this function will return true.
-     *
-     * @param mixed $date_1
-     * @param mixed $date_2
-     * @return bool
-     */
-    public static function dates_represent_one_24_hour_date($date_1, $date_2)
-    {
+	/**
+	 *     If the the first date starts at midnight on one day, and the next date ends at midnight on the
+	 *     very next day then this method will return true.
+	 *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-16 00:00:00 then this function will return true.
+	 *    If $date_1 = 2015-12-15 03:00:00 and $date_2 = 2015-12_16 03:00:00 then this function will return false.
+	 *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-15 00:00:00 then this function will return true.
+	 *
+	 * @param mixed $date_1
+	 * @param mixed $date_2
+	 * @return bool
+	 */
+	public static function dates_represent_one_24_hour_date($date_1, $date_2)
+	{
 
-        if ((! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime)
-            || ($date_1->format(EE_Datetime_Field::mysql_time_format) !== '00:00:00'
-                || $date_2->format(
-                    EE_Datetime_Field::mysql_time_format
-                ) !== '00:00:00')
-        ) {
-            return false;
-        }
-        return $date_2->format('U') - $date_1->format('U') === 86400;
-    }
+		if ((! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime)
+			|| ($date_1->format(EE_Datetime_Field::mysql_time_format) !== '00:00:00'
+				|| $date_2->format(
+					EE_Datetime_Field::mysql_time_format
+				) !== '00:00:00')
+		) {
+			return false;
+		}
+		return $date_2->format('U') - $date_1->format('U') === 86400;
+	}
 
 
-    /**
-     * This returns the appropriate query interval string that can be used in sql queries involving mysql Date
-     * Functions.
-     *
-     * @param string $timezone_string    A timezone string in a valid format to instantiate a DateTimeZone object.
-     * @param string $field_for_interval The Database field that is the interval is applied to in the query.
-     * @return string
-     */
-    public static function get_sql_query_interval_for_offset($timezone_string, $field_for_interval)
-    {
-        try {
-            /** need to account for timezone offset on the selects */
-            $DateTimeZone = new DateTimeZone($timezone_string);
-        } catch (Exception $e) {
-            $DateTimeZone = null;
-        }
-        /**
-         * Note get_option( 'gmt_offset') returns a value in hours, whereas DateTimeZone::getOffset returns values in seconds.
-         * Hence we do the calc for DateTimeZone::getOffset.
-         */
-        $offset         = $DateTimeZone instanceof DateTimeZone
-            ? $DateTimeZone->getOffset(new DateTime('now')) / HOUR_IN_SECONDS
-            : (float) get_option('gmt_offset');
-        $query_interval = $offset < 0
-            ? 'DATE_SUB(' . $field_for_interval . ', INTERVAL ' . $offset * -1 . ' HOUR)'
-            : 'DATE_ADD(' . $field_for_interval . ', INTERVAL ' . $offset . ' HOUR)';
-        return $query_interval;
-    }
+	/**
+	 * This returns the appropriate query interval string that can be used in sql queries involving mysql Date
+	 * Functions.
+	 *
+	 * @param string $timezone_string    A timezone string in a valid format to instantiate a DateTimeZone object.
+	 * @param string $field_for_interval The Database field that is the interval is applied to in the query.
+	 * @return string
+	 */
+	public static function get_sql_query_interval_for_offset($timezone_string, $field_for_interval)
+	{
+		try {
+			/** need to account for timezone offset on the selects */
+			$DateTimeZone = new DateTimeZone($timezone_string);
+		} catch (Exception $e) {
+			$DateTimeZone = null;
+		}
+		/**
+		 * Note get_option( 'gmt_offset') returns a value in hours, whereas DateTimeZone::getOffset returns values in seconds.
+		 * Hence we do the calc for DateTimeZone::getOffset.
+		 */
+		$offset         = $DateTimeZone instanceof DateTimeZone
+			? $DateTimeZone->getOffset(new DateTime('now')) / HOUR_IN_SECONDS
+			: (float) get_option('gmt_offset');
+		$query_interval = $offset < 0
+			? 'DATE_SUB(' . $field_for_interval . ', INTERVAL ' . $offset * -1 . ' HOUR)'
+			: 'DATE_ADD(' . $field_for_interval . ', INTERVAL ' . $offset . ' HOUR)';
+		return $query_interval;
+	}
 
 
-    /**
-     * Retrieves the site's default timezone and returns it formatted so it's ready for display
-     * to users. If you want to customize how its displayed feel free to fetch the 'timezone_string'
-     * and 'gmt_offset' WordPress options directly; or use the filter
-     * FHEE__EEH_DTT_Helper__get_timezone_string_for_display
-     * (although note that we remove any HTML that may be added)
-     *
-     * @return string
-     */
-    public static function get_timezone_string_for_display()
-    {
-        $pretty_timezone = apply_filters('FHEE__EEH_DTT_Helper__get_timezone_string_for_display', '');
-        if (! empty($pretty_timezone)) {
-            return esc_html($pretty_timezone);
-        }
-        $timezone_string = get_option('timezone_string');
-        if ($timezone_string) {
-            static $mo_loaded = false;
-            // Load translations for continents and cities just like wp_timezone_choice does
-            if (! $mo_loaded) {
-                $locale = get_locale();
-                $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
-                load_textdomain('continents-cities', $mofile);
-                $mo_loaded = true;
-            }
-            // well that was easy.
-            $parts = explode('/', $timezone_string);
-            // remove the continent
-            unset($parts[0]);
-            $t_parts = array();
-            // phpcs:disable WordPress.WP.I18n.NonSingularStringLiteralText
-            // phpcs:disable WordPress.WP.I18n.TextDomainMismatch
-            // disabled because this code is copied from WordPress and is a WordPress domain
-            foreach ($parts as $part) {
-                $t_parts[] = translate(str_replace('_', ' ', $part), 'continents-cities');
-            }
-            return implode(' - ', $t_parts);
-            // phpcs:enable
-        }
-        // they haven't set the timezone string, so let's return a string like "UTC+1"
-        $gmt_offset = get_option('gmt_offset');
-        $prefix     = (int) $gmt_offset >= 0 ? '+' : '';
-        $parts      = explode('.', (string) $gmt_offset);
-        if (count($parts) === 1) {
-            $parts[1] = '00';
-        } else {
-            // convert the part after the decimal, eg "5" (from x.5) or "25" (from x.25)
-            // to minutes, eg 30 or 15, respectively
-            $hour_fraction = (float) ('0.' . $parts[1]);
-            $parts[1]      = (string) $hour_fraction * 60;
-        }
-        return sprintf(__('UTC%1$s', 'event_espresso'), $prefix . implode(':', $parts));
-    }
+	/**
+	 * Retrieves the site's default timezone and returns it formatted so it's ready for display
+	 * to users. If you want to customize how its displayed feel free to fetch the 'timezone_string'
+	 * and 'gmt_offset' WordPress options directly; or use the filter
+	 * FHEE__EEH_DTT_Helper__get_timezone_string_for_display
+	 * (although note that we remove any HTML that may be added)
+	 *
+	 * @return string
+	 */
+	public static function get_timezone_string_for_display()
+	{
+		$pretty_timezone = apply_filters('FHEE__EEH_DTT_Helper__get_timezone_string_for_display', '');
+		if (! empty($pretty_timezone)) {
+			return esc_html($pretty_timezone);
+		}
+		$timezone_string = get_option('timezone_string');
+		if ($timezone_string) {
+			static $mo_loaded = false;
+			// Load translations for continents and cities just like wp_timezone_choice does
+			if (! $mo_loaded) {
+				$locale = get_locale();
+				$mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
+				load_textdomain('continents-cities', $mofile);
+				$mo_loaded = true;
+			}
+			// well that was easy.
+			$parts = explode('/', $timezone_string);
+			// remove the continent
+			unset($parts[0]);
+			$t_parts = array();
+			// phpcs:disable WordPress.WP.I18n.NonSingularStringLiteralText
+			// phpcs:disable WordPress.WP.I18n.TextDomainMismatch
+			// disabled because this code is copied from WordPress and is a WordPress domain
+			foreach ($parts as $part) {
+				$t_parts[] = translate(str_replace('_', ' ', $part), 'continents-cities');
+			}
+			return implode(' - ', $t_parts);
+			// phpcs:enable
+		}
+		// they haven't set the timezone string, so let's return a string like "UTC+1"
+		$gmt_offset = get_option('gmt_offset');
+		$prefix     = (int) $gmt_offset >= 0 ? '+' : '';
+		$parts      = explode('.', (string) $gmt_offset);
+		if (count($parts) === 1) {
+			$parts[1] = '00';
+		} else {
+			// convert the part after the decimal, eg "5" (from x.5) or "25" (from x.25)
+			// to minutes, eg 30 or 15, respectively
+			$hour_fraction = (float) ('0.' . $parts[1]);
+			$parts[1]      = (string) $hour_fraction * 60;
+		}
+		return sprintf(__('UTC%1$s', 'event_espresso'), $prefix . implode(':', $parts));
+	}
 
 
 
-    /**
-     * So PHP does this awesome thing where if you are trying to get a timestamp
-     * for a month using a string like "February" or "February 2017",
-     * and you don't specify a day as part of your string,
-     * then PHP will use whatever the current day of the month is.
-     * IF the current day of the month happens to be the 30th or 31st,
-     * then PHP gets really confused by a date like February 30,
-     * so instead of saying
-     *      "Hey February only has 28 days (this year)...
-     *      ...you must have meant the last day of the month!"
-     * PHP does the next most logical thing, and bumps the date up to March 2nd,
-     * because someone requesting February 30th obviously meant March 1st!
-     * The way around this is to always set the day to the first,
-     * so that the month will stay on the month you wanted.
-     * this method will add that "1" into your date regardless of the format.
-     *
-     * @param string $month
-     * @return string
-     */
-    public static function first_of_month_timestamp($month = '')
-    {
-        $month = (string) $month;
-        $year  = '';
-        // check if the incoming string has a year in it or not
-        if (preg_match('/\b\d{4}\b/', $month, $matches)) {
-            $year = $matches[0];
-            // ten remove that from the month string as well as any spaces
-            $month = trim(str_replace($year, '', $month));
-            // add a space before the year
-            $year = " {$year}";
-        }
-        // return timestamp for something like "February 1 2017"
-        return strtotime("{$month} 1{$year}");
-    }
+	/**
+	 * So PHP does this awesome thing where if you are trying to get a timestamp
+	 * for a month using a string like "February" or "February 2017",
+	 * and you don't specify a day as part of your string,
+	 * then PHP will use whatever the current day of the month is.
+	 * IF the current day of the month happens to be the 30th or 31st,
+	 * then PHP gets really confused by a date like February 30,
+	 * so instead of saying
+	 *      "Hey February only has 28 days (this year)...
+	 *      ...you must have meant the last day of the month!"
+	 * PHP does the next most logical thing, and bumps the date up to March 2nd,
+	 * because someone requesting February 30th obviously meant March 1st!
+	 * The way around this is to always set the day to the first,
+	 * so that the month will stay on the month you wanted.
+	 * this method will add that "1" into your date regardless of the format.
+	 *
+	 * @param string $month
+	 * @return string
+	 */
+	public static function first_of_month_timestamp($month = '')
+	{
+		$month = (string) $month;
+		$year  = '';
+		// check if the incoming string has a year in it or not
+		if (preg_match('/\b\d{4}\b/', $month, $matches)) {
+			$year = $matches[0];
+			// ten remove that from the month string as well as any spaces
+			$month = trim(str_replace($year, '', $month));
+			// add a space before the year
+			$year = " {$year}";
+		}
+		// return timestamp for something like "February 1 2017"
+		return strtotime("{$month} 1{$year}");
+	}
 
 
-    /**
-     * This simply returns the timestamp for tomorrow (midnight next day) in this sites timezone.  So it may be midnight
-     * for this sites timezone, but the timestamp could be some other time GMT.
-     */
-    public static function tomorrow()
-    {
-        // The multiplication of -1 ensures that we switch positive offsets to negative and negative offsets to positive
-        // before adding to the timestamp.  Why? Because we want tomorrow to be for midnight the next day in THIS timezone
-        // not an offset from midnight in UTC.  So if we're starting with UTC 00:00:00, then we want to make sure the
-        // final timestamp is equivalent to midnight in this timezone as represented in GMT.
-        return strtotime('tomorrow') + (self::get_site_timezone_gmt_offset() * -1);
-    }
+	/**
+	 * This simply returns the timestamp for tomorrow (midnight next day) in this sites timezone.  So it may be midnight
+	 * for this sites timezone, but the timestamp could be some other time GMT.
+	 */
+	public static function tomorrow()
+	{
+		// The multiplication of -1 ensures that we switch positive offsets to negative and negative offsets to positive
+		// before adding to the timestamp.  Why? Because we want tomorrow to be for midnight the next day in THIS timezone
+		// not an offset from midnight in UTC.  So if we're starting with UTC 00:00:00, then we want to make sure the
+		// final timestamp is equivalent to midnight in this timezone as represented in GMT.
+		return strtotime('tomorrow') + (self::get_site_timezone_gmt_offset() * -1);
+	}
 
 
-    /**
-     * **
-     * Gives a nicely-formatted list of timezone strings.
-     * Copied from the core wp function by the same name so we could customize to remove UTC offsets.
-     *
-     * @since     4.9.40.rc.008
-     * @staticvar bool $mo_loaded
-     * @staticvar string $locale_loaded
-     * @param string $selected_zone Selected timezone.
-     * @param string $locale        Optional. Locale to load the timezones in. Default current site locale.
-     * @return string
-     */
-    public static function wp_timezone_choice($selected_zone, $locale = null)
-    {
-        static $mo_loaded = false, $locale_loaded = null;
-        $continents = array(
-            'Africa',
-            'America',
-            'Antarctica',
-            'Arctic',
-            'Asia',
-            'Atlantic',
-            'Australia',
-            'Europe',
-            'Indian',
-            'Pacific',
-        );
-        // Load translations for continents and cities.
-        if (! $mo_loaded || $locale !== $locale_loaded) {
-            $locale_loaded = $locale ? $locale : get_locale();
-            $mofile        = WP_LANG_DIR . '/continents-cities-' . $locale_loaded . '.mo';
-            unload_textdomain('continents-cities');
-            load_textdomain('continents-cities', $mofile);
-            $mo_loaded = true;
-        }
-        $zone_data = array();
-        foreach (timezone_identifiers_list() as $zone) {
-            $zone = explode('/', $zone);
-            if (! in_array($zone[0], $continents, true)) {
-                continue;
-            }
-            // This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
-            $exists      = array(
-                0 => isset($zone[0]) && $zone[0],
-                1 => isset($zone[1]) && $zone[1],
-                2 => isset($zone[2]) && $zone[2],
-            );
-            $exists[3]   = $exists[0] && $zone[0] !== 'Etc';
-            $exists[4]   = $exists[1] && $exists[3];
-            $exists[5]   = $exists[2] && $exists[3];
-            // phpcs:disable WordPress.WP.I18n.NonSingularStringLiteralText
-            // phpcs:disable WordPress.WP.I18n.TextDomainMismatch
-            // disabled because this code is copied from WordPress and is a WordPress domain
-            $zone_data[] = array(
-                'continent'   => $exists[0] ? $zone[0] : '',
-                'city'        => $exists[1] ? $zone[1] : '',
-                'subcity'     => $exists[2] ? $zone[2] : '',
-                't_continent' => $exists[3]
-                    ? translate(str_replace('_', ' ', $zone[0]), 'continents-cities')
-                    : '',
-                't_city'      => $exists[4]
-                    ? translate(str_replace('_', ' ', $zone[1]), 'continents-cities')
-                    : '',
-                't_subcity'   => $exists[5]
-                    ? translate(str_replace('_', ' ', $zone[2]), 'continents-cities')
-                    : '',
-            );
-            // phpcs:enable
-        }
-        usort($zone_data, '_wp_timezone_choice_usort_callback');
-        $structure = array();
-        if (empty($selected_zone)) {
-            $structure[] = '<option selected="selected" value="">' . __('Select a city', 'event_espresso') . '</option>';
-        }
-        foreach ($zone_data as $key => $zone) {
-            // Build value in an array to join later
-            $value = array($zone['continent']);
-            if (empty($zone['city'])) {
-                // It's at the continent level (generally won't happen)
-                $display = $zone['t_continent'];
-            } else {
-                // It's inside a continent group
-                // Continent optgroup
-                if (! isset($zone_data[ $key - 1 ]) || $zone_data[ $key - 1 ]['continent'] !== $zone['continent']) {
-                    $label       = $zone['t_continent'];
-                    $structure[] = '<optgroup label="' . esc_attr($label) . '">';
-                }
-                // Add the city to the value
-                $value[] = $zone['city'];
-                $display = $zone['t_city'];
-                if (! empty($zone['subcity'])) {
-                    // Add the subcity to the value
-                    $value[] = $zone['subcity'];
-                    $display .= ' - ' . $zone['t_subcity'];
-                }
-            }
-            // Build the value
-            $value       = implode('/', $value);
-            $selected    = $value === $selected_zone ? ' selected="selected"' : '';
-            $structure[] = '<option value="' . esc_attr($value) . '"' . $selected . '>'
-                           . esc_html($display)
-                           . '</option>';
-            // Close continent optgroup
-            if (! empty($zone['city'])
-                && (
-                    ! isset($zone_data[ $key + 1 ])
-                    || (isset($zone_data[ $key + 1 ]) && $zone_data[ $key + 1 ]['continent'] !== $zone['continent'])
-                )
-            ) {
-                $structure[] = '</optgroup>';
-            }
-        }
-        return implode("\n", $structure);
-    }
+	/**
+	 * **
+	 * Gives a nicely-formatted list of timezone strings.
+	 * Copied from the core wp function by the same name so we could customize to remove UTC offsets.
+	 *
+	 * @since     4.9.40.rc.008
+	 * @staticvar bool $mo_loaded
+	 * @staticvar string $locale_loaded
+	 * @param string $selected_zone Selected timezone.
+	 * @param string $locale        Optional. Locale to load the timezones in. Default current site locale.
+	 * @return string
+	 */
+	public static function wp_timezone_choice($selected_zone, $locale = null)
+	{
+		static $mo_loaded = false, $locale_loaded = null;
+		$continents = array(
+			'Africa',
+			'America',
+			'Antarctica',
+			'Arctic',
+			'Asia',
+			'Atlantic',
+			'Australia',
+			'Europe',
+			'Indian',
+			'Pacific',
+		);
+		// Load translations for continents and cities.
+		if (! $mo_loaded || $locale !== $locale_loaded) {
+			$locale_loaded = $locale ? $locale : get_locale();
+			$mofile        = WP_LANG_DIR . '/continents-cities-' . $locale_loaded . '.mo';
+			unload_textdomain('continents-cities');
+			load_textdomain('continents-cities', $mofile);
+			$mo_loaded = true;
+		}
+		$zone_data = array();
+		foreach (timezone_identifiers_list() as $zone) {
+			$zone = explode('/', $zone);
+			if (! in_array($zone[0], $continents, true)) {
+				continue;
+			}
+			// This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
+			$exists      = array(
+				0 => isset($zone[0]) && $zone[0],
+				1 => isset($zone[1]) && $zone[1],
+				2 => isset($zone[2]) && $zone[2],
+			);
+			$exists[3]   = $exists[0] && $zone[0] !== 'Etc';
+			$exists[4]   = $exists[1] && $exists[3];
+			$exists[5]   = $exists[2] && $exists[3];
+			// phpcs:disable WordPress.WP.I18n.NonSingularStringLiteralText
+			// phpcs:disable WordPress.WP.I18n.TextDomainMismatch
+			// disabled because this code is copied from WordPress and is a WordPress domain
+			$zone_data[] = array(
+				'continent'   => $exists[0] ? $zone[0] : '',
+				'city'        => $exists[1] ? $zone[1] : '',
+				'subcity'     => $exists[2] ? $zone[2] : '',
+				't_continent' => $exists[3]
+					? translate(str_replace('_', ' ', $zone[0]), 'continents-cities')
+					: '',
+				't_city'      => $exists[4]
+					? translate(str_replace('_', ' ', $zone[1]), 'continents-cities')
+					: '',
+				't_subcity'   => $exists[5]
+					? translate(str_replace('_', ' ', $zone[2]), 'continents-cities')
+					: '',
+			);
+			// phpcs:enable
+		}
+		usort($zone_data, '_wp_timezone_choice_usort_callback');
+		$structure = array();
+		if (empty($selected_zone)) {
+			$structure[] = '<option selected="selected" value="">' . __('Select a city', 'event_espresso') . '</option>';
+		}
+		foreach ($zone_data as $key => $zone) {
+			// Build value in an array to join later
+			$value = array($zone['continent']);
+			if (empty($zone['city'])) {
+				// It's at the continent level (generally won't happen)
+				$display = $zone['t_continent'];
+			} else {
+				// It's inside a continent group
+				// Continent optgroup
+				if (! isset($zone_data[ $key - 1 ]) || $zone_data[ $key - 1 ]['continent'] !== $zone['continent']) {
+					$label       = $zone['t_continent'];
+					$structure[] = '<optgroup label="' . esc_attr($label) . '">';
+				}
+				// Add the city to the value
+				$value[] = $zone['city'];
+				$display = $zone['t_city'];
+				if (! empty($zone['subcity'])) {
+					// Add the subcity to the value
+					$value[] = $zone['subcity'];
+					$display .= ' - ' . $zone['t_subcity'];
+				}
+			}
+			// Build the value
+			$value       = implode('/', $value);
+			$selected    = $value === $selected_zone ? ' selected="selected"' : '';
+			$structure[] = '<option value="' . esc_attr($value) . '"' . $selected . '>'
+						   . esc_html($display)
+						   . '</option>';
+			// Close continent optgroup
+			if (! empty($zone['city'])
+				&& (
+					! isset($zone_data[ $key + 1 ])
+					|| (isset($zone_data[ $key + 1 ]) && $zone_data[ $key + 1 ]['continent'] !== $zone['continent'])
+				)
+			) {
+				$structure[] = '</optgroup>';
+			}
+		}
+		return implode("\n", $structure);
+	}
 
 
-    /**
-     * Shim for the WP function `get_user_locale` that was added in WordPress 4.7.0
-     *
-     * @param int|WP_User $user_id
-     * @return string
-     */
-    public static function get_user_locale($user_id = 0)
-    {
-        if (function_exists('get_user_locale')) {
-            return get_user_locale($user_id);
-        }
-        return get_locale();
-    }
+	/**
+	 * Shim for the WP function `get_user_locale` that was added in WordPress 4.7.0
+	 *
+	 * @param int|WP_User $user_id
+	 * @return string
+	 */
+	public static function get_user_locale($user_id = 0)
+	{
+		if (function_exists('get_user_locale')) {
+			return get_user_locale($user_id);
+		}
+		return get_locale();
+	}
 
 
-    /**
-     * Return the appropriate helper adapter for DTT related things.
-     *
-     * @return HelperInterface
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private static function getHelperAdapter()
-    {
-        $dtt_helper_fqcn = PHP_VERSION_ID < 50600
-            ? 'EventEspresso\core\services\helpers\datetime\PhpCompatLessFiveSixHelper'
-            : 'EventEspresso\core\services\helpers\datetime\PhpCompatGreaterFiveSixHelper';
-        return LoaderFactory::getLoader()->getShared($dtt_helper_fqcn);
-    }
+	/**
+	 * Return the appropriate helper adapter for DTT related things.
+	 *
+	 * @return HelperInterface
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private static function getHelperAdapter()
+	{
+		$dtt_helper_fqcn = PHP_VERSION_ID < 50600
+			? 'EventEspresso\core\services\helpers\datetime\PhpCompatLessFiveSixHelper'
+			: 'EventEspresso\core\services\helpers\datetime\PhpCompatGreaterFiveSixHelper';
+		return LoaderFactory::getLoader()->getShared($dtt_helper_fqcn);
+	}
 
 
-    /**
-     * Helper function for setting the timezone on a DateTime object.
-     * This is implemented to standardize a workaround for a PHP bug outlined in
-     * https://events.codebasehq.com/projects/event-espresso/tickets/11407 and
-     * https://events.codebasehq.com/projects/event-espresso/tickets/11233
-     *
-     * @param DateTime     $datetime
-     * @param DateTimeZone $timezone
-     */
-    public static function setTimezone(DateTime $datetime, DateTimeZone $timezone)
-    {
-        $datetime->setTimezone($timezone);
-        $datetime->getTimestamp();
-    }
+	/**
+	 * Helper function for setting the timezone on a DateTime object.
+	 * This is implemented to standardize a workaround for a PHP bug outlined in
+	 * https://events.codebasehq.com/projects/event-espresso/tickets/11407 and
+	 * https://events.codebasehq.com/projects/event-espresso/tickets/11233
+	 *
+	 * @param DateTime     $datetime
+	 * @param DateTimeZone $timezone
+	 */
+	public static function setTimezone(DateTime $datetime, DateTimeZone $timezone)
+	{
+		$datetime->setTimezone($timezone);
+		$datetime->getTimestamp();
+	}
 }

Spacing +42 added lines, -42 removed lines

@@ -131,7 +131,7 @@ 
      */
     public static function get_timezone_string_from_abbreviations_list($gmt_offset = 0, $coerce = true)
     {
-        $gmt_offset =  (int) $gmt_offset;
+        $gmt_offset = (int) $gmt_offset;
         /** @var array[] $abbreviations */
         $abbreviations = DateTimeZone::listAbbreviations();
         foreach ($abbreviations as $abbreviation) {
@@ -326,7 +326,7 @@ 
      */
     protected static function _modify_datetime_object(DateTime $DateTime, $period = 'years', $value = 1, $operand = '+')
     {
-        if (! $DateTime instanceof DateTime) {
+        if ( ! $DateTime instanceof DateTime) {
             throw new EE_Error(
                 sprintf(
                     esc_html__('Expected a PHP DateTime object, but instead received %1$s', 'event_espresso'),
@@ -336,25 +336,25 @@ 
         }
         switch ($period) {
             case 'years':
-                $value = 'P' . $value . 'Y';
+                $value = 'P'.$value.'Y';
                 break;
             case 'months':
-                $value = 'P' . $value . 'M';
+                $value = 'P'.$value.'M';
                 break;
             case 'weeks':
-                $value = 'P' . $value . 'W';
+                $value = 'P'.$value.'W';
                 break;
             case 'days':
-                $value = 'P' . $value . 'D';
+                $value = 'P'.$value.'D';
                 break;
             case 'hours':
-                $value = 'PT' . $value . 'H';
+                $value = 'PT'.$value.'H';
                 break;
             case 'minutes':
-                $value = 'PT' . $value . 'M';
+                $value = 'PT'.$value.'M';
                 break;
             case 'seconds':
-                $value = 'PT' . $value . 'S';
+                $value = 'PT'.$value.'S';
                 break;
         }
         switch ($operand) {
@@ -382,7 +382,7 @@ 
      */
     protected static function _modify_timestamp($timestamp, $period = 'years', $value = 1, $operand = '+')
     {
-        if (! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
+        if ( ! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
             throw new EE_Error(
                 sprintf(
                     esc_html__('Expected a Unix timestamp, but instead received %1$s', 'event_espresso'),
@@ -495,7 +495,7 @@ 
                 'date' => $date_format['js'],
                 'time' => $time_format['js'],
             ),
-            'moment' => $date_format['moment'] . ' ' . $time_format['moment'],
+            'moment' => $date_format['moment'].' '.$time_format['moment'],
             'moment_split' => array(
                 'date' => $date_format['moment'],
                 'time' => $time_format['moment']
@@ -518,7 +518,7 @@ 
          *
          * @var array
          */
-        $symbols_map          = array(
+        $symbols_map = array(
             // Day
             // 01
             'd' => array(
@@ -670,26 +670,26 @@ 
         $escaping             = false;
         $format_string_length = strlen($format_string);
         for ($i = 0; $i < $format_string_length; $i++) {
-            $char = $format_string[ $i ];
+            $char = $format_string[$i];
             if ($char === '\\') { // PHP date format escaping character
                 $i++;
                 if ($escaping) {
-                    $jquery_ui_format .= $format_string[ $i ];
-                    $moment_format    .= $format_string[ $i ];
+                    $jquery_ui_format .= $format_string[$i];
+                    $moment_format    .= $format_string[$i];
                 } else {
-                    $jquery_ui_format .= '\'' . $format_string[ $i ];
-                    $moment_format    .= $format_string[ $i ];
+                    $jquery_ui_format .= '\''.$format_string[$i];
+                    $moment_format    .= $format_string[$i];
                 }
                 $escaping = true;
             } else {
                 if ($escaping) {
                     $jquery_ui_format .= "'";
                     $moment_format    .= "'";
-                    $escaping         = false;
+                    $escaping = false;
                 }
-                if (isset($symbols_map[ $char ])) {
-                    $jquery_ui_format .= $symbols_map[ $char ]['js'];
-                    $moment_format    .= $symbols_map[ $char ]['moment'];
+                if (isset($symbols_map[$char])) {
+                    $jquery_ui_format .= $symbols_map[$char]['js'];
+                    $moment_format    .= $symbols_map[$char]['moment'];
                 } else {
                     $jquery_ui_format .= $char;
                     $moment_format    .= $char;
@@ -746,7 +746,7 @@ 
     public static function dates_represent_one_24_hour_date($date_1, $date_2)
     {
 
-        if ((! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime)
+        if (( ! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime)
             || ($date_1->format(EE_Datetime_Field::mysql_time_format) !== '00:00:00'
                 || $date_2->format(
                     EE_Datetime_Field::mysql_time_format
@@ -782,8 +782,8 @@ 
             ? $DateTimeZone->getOffset(new DateTime('now')) / HOUR_IN_SECONDS
             : (float) get_option('gmt_offset');
         $query_interval = $offset < 0
-            ? 'DATE_SUB(' . $field_for_interval . ', INTERVAL ' . $offset * -1 . ' HOUR)'
-            : 'DATE_ADD(' . $field_for_interval . ', INTERVAL ' . $offset . ' HOUR)';
+            ? 'DATE_SUB('.$field_for_interval.', INTERVAL '.$offset * -1.' HOUR)'
+            : 'DATE_ADD('.$field_for_interval.', INTERVAL '.$offset.' HOUR)';
         return $query_interval;
     }
 
@@ -800,16 +800,16 @@ 
     public static function get_timezone_string_for_display()
     {
         $pretty_timezone = apply_filters('FHEE__EEH_DTT_Helper__get_timezone_string_for_display', '');
-        if (! empty($pretty_timezone)) {
+        if ( ! empty($pretty_timezone)) {
             return esc_html($pretty_timezone);
         }
         $timezone_string = get_option('timezone_string');
         if ($timezone_string) {
             static $mo_loaded = false;
             // Load translations for continents and cities just like wp_timezone_choice does
-            if (! $mo_loaded) {
+            if ( ! $mo_loaded) {
                 $locale = get_locale();
-                $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
+                $mofile = WP_LANG_DIR.'/continents-cities-'.$locale.'.mo';
                 load_textdomain('continents-cities', $mofile);
                 $mo_loaded = true;
             }
@@ -836,10 +836,10 @@ 
         } else {
             // convert the part after the decimal, eg "5" (from x.5) or "25" (from x.25)
             // to minutes, eg 30 or 15, respectively
-            $hour_fraction = (float) ('0.' . $parts[1]);
+            $hour_fraction = (float) ('0.'.$parts[1]);
             $parts[1]      = (string) $hour_fraction * 60;
         }
-        return sprintf(__('UTC%1$s', 'event_espresso'), $prefix . implode(':', $parts));
+        return sprintf(__('UTC%1$s', 'event_espresso'), $prefix.implode(':', $parts));
     }
 
 
@@ -922,9 +922,9 @@ 
             'Pacific',
         );
         // Load translations for continents and cities.
-        if (! $mo_loaded || $locale !== $locale_loaded) {
+        if ( ! $mo_loaded || $locale !== $locale_loaded) {
             $locale_loaded = $locale ? $locale : get_locale();
-            $mofile        = WP_LANG_DIR . '/continents-cities-' . $locale_loaded . '.mo';
+            $mofile        = WP_LANG_DIR.'/continents-cities-'.$locale_loaded.'.mo';
             unload_textdomain('continents-cities');
             load_textdomain('continents-cities', $mofile);
             $mo_loaded = true;
@@ -932,11 +932,11 @@ 
         $zone_data = array();
         foreach (timezone_identifiers_list() as $zone) {
             $zone = explode('/', $zone);
-            if (! in_array($zone[0], $continents, true)) {
+            if ( ! in_array($zone[0], $continents, true)) {
                 continue;
             }
             // This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
-            $exists      = array(
+            $exists = array(
                 0 => isset($zone[0]) && $zone[0],
                 1 => isset($zone[1]) && $zone[1],
                 2 => isset($zone[2]) && $zone[2],
@@ -966,7 +966,7 @@ 
         usort($zone_data, '_wp_timezone_choice_usort_callback');
         $structure = array();
         if (empty($selected_zone)) {
-            $structure[] = '<option selected="selected" value="">' . __('Select a city', 'event_espresso') . '</option>';
+            $structure[] = '<option selected="selected" value="">'.__('Select a city', 'event_espresso').'</option>';
         }
         foreach ($zone_data as $key => $zone) {
             // Build value in an array to join later
@@ -977,30 +977,30 @@ 
             } else {
                 // It's inside a continent group
                 // Continent optgroup
-                if (! isset($zone_data[ $key - 1 ]) || $zone_data[ $key - 1 ]['continent'] !== $zone['continent']) {
+                if ( ! isset($zone_data[$key - 1]) || $zone_data[$key - 1]['continent'] !== $zone['continent']) {
                     $label       = $zone['t_continent'];
-                    $structure[] = '<optgroup label="' . esc_attr($label) . '">';
+                    $structure[] = '<optgroup label="'.esc_attr($label).'">';
                 }
                 // Add the city to the value
                 $value[] = $zone['city'];
                 $display = $zone['t_city'];
-                if (! empty($zone['subcity'])) {
+                if ( ! empty($zone['subcity'])) {
                     // Add the subcity to the value
                     $value[] = $zone['subcity'];
-                    $display .= ' - ' . $zone['t_subcity'];
+                    $display .= ' - '.$zone['t_subcity'];
                 }
             }
             // Build the value
             $value       = implode('/', $value);
             $selected    = $value === $selected_zone ? ' selected="selected"' : '';
-            $structure[] = '<option value="' . esc_attr($value) . '"' . $selected . '>'
+            $structure[] = '<option value="'.esc_attr($value).'"'.$selected.'>'
                            . esc_html($display)
                            . '</option>';
             // Close continent optgroup
-            if (! empty($zone['city'])
+            if ( ! empty($zone['city'])
                 && (
-                    ! isset($zone_data[ $key + 1 ])
-                    || (isset($zone_data[ $key + 1 ]) && $zone_data[ $key + 1 ]['continent'] !== $zone['continent'])
+                    ! isset($zone_data[$key + 1])
+                    || (isset($zone_data[$key + 1]) && $zone_data[$key + 1]['continent'] !== $zone['continent'])
                 )
             ) {
                 $structure[] = '</optgroup>';

core/EE_System.core.php

Indentation +1271 added lines, -1271 removed lines

@@ -27,1275 +27,1275 @@
 final class EE_System implements ResettableInterface
 {
 
-    /**
-     * 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_';
-
-    /**
-     * @var EE_System $_instance
-     */
-    private static $_instance;
-
-    /**
-     * @var EE_Registry $registry
-     */
-    private $registry;
-
-    /**
-     * @var LoaderInterface $loader
-     */
-    private $loader;
-
-    /**
-     * @var EE_Capabilities $capabilities
-     */
-    private $capabilities;
-
-    /**
-     * @var RequestInterface $request
-     */
-    private $request;
-
-    /**
-     * @var EE_Maintenance_Mode $maintenance_mode
-     */
-    private $maintenance_mode;
-
-    /**
-     * 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 $_req_type
-     */
-    private $_req_type;
-
-    /**
-     * Whether or not there was a non-micro version change in EE core version during this request
-     *
-     * @var boolean $_major_version_change
-     */
-    private $_major_version_change = false;
-
-    /**
-     * A Context DTO dedicated solely to identifying the current request type.
-     *
-     * @var RequestTypeContextCheckerInterface $request_type
-     */
-    private $request_type;
-
-
-    /**
-     * @singleton method used to instantiate class object
-     * @param EE_Registry|null         $registry
-     * @param LoaderInterface|null     $loader
-     * @param RequestInterface|null    $request
-     * @param EE_Maintenance_Mode|null $maintenance_mode
-     * @return EE_System
-     */
-    public static function instance(
-        EE_Registry $registry = null,
-        LoaderInterface $loader = null,
-        RequestInterface $request = null,
-        EE_Maintenance_Mode $maintenance_mode = null
-    ) {
-        // check if class object is instantiated
-        if (! self::$_instance instanceof EE_System) {
-            self::$_instance = new self($registry, $loader, $request, $maintenance_mode);
-        }
-        return self::$_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
-     *
-     * @param EE_Registry         $registry
-     * @param LoaderInterface     $loader
-     * @param RequestInterface    $request
-     * @param EE_Maintenance_Mode $maintenance_mode
-     */
-    private function __construct(
-        EE_Registry $registry,
-        LoaderInterface $loader,
-        RequestInterface $request,
-        EE_Maintenance_Mode $maintenance_mode
-    ) {
-        $this->registry = $registry;
-        $this->loader = $loader;
-        $this->request = $request;
-        $this->maintenance_mode = $maintenance_mode;
-        do_action('AHEE__EE_System__construct__begin', $this);
-        add_action(
-            'AHEE__EE_Bootstrap__load_espresso_addons',
-            array($this, 'loadCapabilities'),
-            5
-        );
-        add_action(
-            'AHEE__EE_Bootstrap__load_espresso_addons',
-            array($this, 'loadCommandBus'),
-            7
-        );
-        add_action(
-            'AHEE__EE_Bootstrap__load_espresso_addons',
-            array($this, 'loadPluginApi'),
-            9
-        );
-        // 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 and setup EE_Capabilities
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function loadCapabilities()
-    {
-        $this->capabilities = $this->loader->getShared('EE_Capabilities');
-        add_action(
-            'AHEE__EE_Capabilities__init_caps__before_initialization',
-            function () {
-                LoaderFactory::getLoader()->getShared('EE_Payment_Method_Manager');
-            }
-        );
-    }
-
-
-    /**
-     * create and cache the CommandBus, and also add middleware
-     * The CapChecker middleware requires the use of EE_Capabilities
-     * which is why we need to load the CommandBus after Caps are set up
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public function loadCommandBus()
-    {
-        $this->loader->getShared(
-            'CommandBusInterface',
-            array(
-                null,
-                apply_filters(
-                    'FHEE__EE_Load_Espresso_Core__handle_request__CommandBus_middleware',
-                    array(
-                        $this->loader->getShared('EventEspresso\core\services\commands\middleware\CapChecker'),
-                        $this->loader->getShared('EventEspresso\core\services\commands\middleware\AddActionHook'),
-                    )
-                ),
-            )
-        );
-    }
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     */
-    public function loadPluginApi()
-    {
-        // 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');
-        $this->loader->getShared('EE_Request_Handler');
-    }
-
-
-    /**
-     * @param string $addon_name
-     * @param string $version_constant
-     * @param string $min_version_required
-     * @param string $load_callback
-     * @param string $plugin_file_constant
-     * @return void
-     */
-    private function deactivateIncompatibleAddon(
-        $addon_name,
-        $version_constant,
-        $min_version_required,
-        $load_callback,
-        $plugin_file_constant
-    ) {
-        if (! defined($version_constant)) {
-            return;
-        }
-        $addon_version = constant($version_constant);
-        if ($addon_version && version_compare($addon_version, $min_version_required, '<')) {
-            remove_action('AHEE__EE_System__load_espresso_addons', $load_callback);
-            if (! function_exists('deactivate_plugins')) {
-                require_once ABSPATH . 'wp-admin/includes/plugin.php';
-            }
-            deactivate_plugins(plugin_basename(constant($plugin_file_constant)));
-            unset($_GET['activate'], $_REQUEST['activate'], $_GET['activate-multi'], $_REQUEST['activate-multi']);
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        'We\'re sorry, but the Event Espresso %1$s addon was deactivated because version %2$s or higher is required with this version of Event Espresso core.',
-                        'event_espresso'
-                    ),
-                    $addon_name,
-                    $min_version_required
-                ),
-                __FILE__,
-                __FUNCTION__ . "({$addon_name})",
-                __LINE__
-            );
-            EE_Error::get_notices(false, true);
-        }
-    }
-
-
-    /**
-     * 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' hook point
-     *
-     * @access public
-     * @return void
-     */
-    public function load_espresso_addons()
-    {
-        $this->deactivateIncompatibleAddon(
-            'Wait Lists',
-            'EE_WAIT_LISTS_VERSION',
-            '1.0.0.beta.074',
-            'load_espresso_wait_lists',
-            'EE_WAIT_LISTS_PLUGIN_FILE'
-        );
-        $this->deactivateIncompatibleAddon(
-            'Automated Upcoming Event Notifications',
-            'EE_AUTOMATED_UPCOMING_EVENT_NOTIFICATION_VERSION',
-            '1.0.0.beta.091',
-            'load_espresso_automated_upcoming_event_notification',
-            'EE_AUTOMATED_UPCOMING_EVENT_NOTIFICATION_PLUGIN_FILE'
-        );
-        do_action('AHEE__EE_System__load_espresso_addons');
-        // if the WP API basic auth plugin isn't already loaded, load it now.
-        // We want it for mobile apps. Just include the entire plugin
-        // also, don't load the basic auth when a plugin is getting activated, because
-        // it could be the basic auth plugin, and it doesn't check if its methods are already defined
-        // and causes a fatal error
-        if ($this->request->getRequestParam('activate') !== 'true'
-            && ! function_exists('json_basic_auth_handler')
-            && ! function_exists('json_basic_auth_error')
-            && ! in_array(
-                $this->request->getRequestParam('action'),
-                array('activate', 'activate-selected'),
-                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 $addon) {
-            if ($addon instanceof EE_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');
-        // 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
-                $this->maintenance_mode->set_maintenance_mode_if_db_old();
-                $this->_handle_core_version_change($espresso_db_update);
-                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
-                $this->maintenance_mode->set_maintenance_mode_if_db_old();
-                $this->_handle_core_version_change($espresso_db_update);
-                break;
-            case EE_System::req_type_normal:
-            default:
-                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 $espresso_db_update
-     */
-    private function _handle_core_version_change($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 mixed $espresso_db_update           the value of the WordPress option.
-     *                                            If not supplied, fetches it from the options table
-     * @return array the correct value of 'espresso_db_upgrade', after saving it, if it needed correction
-     */
-    private function fix_espresso_db_upgrade_option($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 $verify_schema         if true will re-check the database tables have the correct schema.
-     *                                       This is a resource-intensive job
-     *                                       so we prefer to only do it when necessary
-     * @return void
-     * @throws EE_Error
-     */
-    public function initialize_db_if_no_migrations_required($initialize_addons_too = false, $verify_schema = true)
-    {
-        $request_type = $this->detect_req_type();
-        // only initialize system if we're not in maintenance mode.
-        if ($this->maintenance_mode->level() !== EE_Maintenance_Mode::level_2_complete_maintenance) {
-            /** @var EventEspresso\core\domain\services\custom_post_types\RewriteRules $rewrite_rules */
-            $rewrite_rules = $this->loader->getShared(
-                'EventEspresso\core\domain\services\custom_post_types\RewriteRules'
-            );
-            $rewrite_rules->flush();
-            if ($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
-     *
-     * @throws EE_Error
-     */
-    public function initialize_addons()
-    {
-        // foreach registered addon, make sure its db is up-to-date too
-        foreach ($this->registry->addons as $addon) {
-            if ($addon instanceof EE_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);
-        }
-        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 = EE_System::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);
-            $this->request->setIsActivation($this->_req_type !== EE_System::req_type_normal);
-        }
-        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 $activation_history
-     * @return bool
-     */
-    private function _detect_major_version_change($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 $version_to_upgrade_to is HIGHER (upgrade) ;
-     */
-    private static function _new_version_is_higher($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 $activation_history  (keys are versions, values are arrays of times activated,
-     *                                   sometimes containing 'unknown-date'
-     * @return string
-     */
-    private static function _get_most_recently_active_version_from_activation_history($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()
-    {
-        $notices = EE_Error::get_notices(false);
-        // if current user is an admin and it's not an ajax or rest request
-        if (! isset($notices['errors'])
-            && $this->request->isAdmin()
-            && apply_filters(
-                'FHEE__EE_System__redirect_to_about_ee__do_redirect',
-                $this->capabilities->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
-     * @throws ReflectionException
-     */
-    public function load_core_configuration()
-    {
-        do_action('AHEE__EE_System__load_core_configuration__begin', $this);
-        $this->loader->getShared('EE_Load_Textdomain');
-        // load textdomain
-        EE_Load_Textdomain::load_textdomain();
-        // load and setup EE_Config and EE_Network_Config
-        $config = $this->loader->getShared('EE_Config');
-        $this->loader->getShared('EE_Network_Config');
-        // setup autoloaders
-        // enable logging?
-        if ($config->admin->use_full_logging) {
-            $this->loader->getShared('EE_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();
-        // configure custom post type definitions
-        $this->loader->getShared('EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions');
-        $this->loader->getShared('EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions');
-        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
-     * @throws ReflectionException
-     */
-    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
-     * @throws DomainException
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidClassException
-     * @throws InvalidFilePathException
-     */
-    private function _maybe_brew_regular()
-    {
-        /** @var Domain $domain */
-        $domain = DomainFactory::getShared(
-            new FullyQualifiedName(
-                'EventEspresso\core\domain\Domain'
-            ),
-            array(
-                new FilePath(EVENT_ESPRESSO_MAIN_FILE),
-                Version::fromString(espresso_version()),
-            )
-        );
-        if ($domain->isCaffeinated()) {
-            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
-     * @throws Exception
-     */
-    public function register_shortcodes_modules_and_widgets()
-    {
-        if ($this->request->isFrontend() || $this->request->isIframe() || $this->request->isAjax()) {
-            try {
-                // load, register, and add shortcodes the new way
-                $this->loader->getShared(
-                    'EventEspresso\core\services\shortcodes\ShortcodesManager',
-                    array(
-                        // and the old way, but we'll put it under control of the new system
-                        EE_Config::getLegacyShortcodesManager(),
-                    )
-                );
-            } catch (Exception $exception) {
-                new ExceptionStackTraceDisplay($exception);
-            }
-        }
-        do_action('AHEE__EE_System__register_shortcodes_modules_and_widgets');
-        // check for addons using old hook point
-        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' hook point
-     * 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);
-        if (is_admin() && apply_filters('FHEE__EE_System__brew_espresso__load_pue', true)) {
-            // pew pew pew
-            $this->loader->getShared('EventEspresso\core\services\licensing\LicenseService');
-            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
-     * @throws EE_Error
-     */
-    public function set_hooks_for_core()
-    {
-        $this->_deactivate_incompatible_addons();
-        do_action('AHEE__EE_System__set_hooks_for_core');
-        $this->loader->getShared('EventEspresso\core\domain\values\session\SessionLifespan');
-        // 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();
-    }
-
-
-    /**
-     * 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()
-    {
-        do_action('AHEE__EE_System__perform_activations_upgrades_and_migrations');
-    }
-
-
-    /**
-     * @return void
-     * @throws DomainException
-     */
-    public function load_CPTs_and_session()
-    {
-        do_action('AHEE__EE_System__load_CPTs_and_session__start');
-        /** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies $register_custom_taxonomies */
-        $register_custom_taxonomies = $this->loader->getShared(
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies'
-        );
-        $register_custom_taxonomies->registerCustomTaxonomies();
-        /** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes $register_custom_post_types */
-        $register_custom_post_types = $this->loader->getShared(
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes'
-        );
-        $register_custom_post_types->registerCustomPostTypes();
-        /** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomyTerms $register_custom_taxonomy_terms */
-        $register_custom_taxonomy_terms = $this->loader->getShared(
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomyTerms'
-        );
-        $register_custom_taxonomy_terms->registerCustomTaxonomyTerms();
-        // load legacy Custom Post Types and Taxonomies
-        $this->loader->getShared('EE_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 (! $this->maintenance_mode->level()
-            && ($this->request->isFrontend() || $this->request->isFrontAjax())
-        ) {
-            do_action('AHEE__EE_System__load_controllers__load_front_controllers');
-            $this->loader->getShared('EE_Front_Controller');
-        } elseif ($this->request->isAdmin() || $this->request->isAdminAjax()) {
-            do_action('AHEE__EE_System__load_controllers__load_admin_controllers');
-            $this->loader->getShared('EE_Admin');
-        }
-        do_action('AHEE__EE_System__load_controllers__complete');
-    }
-
-
-    /**
-     * core_loaded_and_ready
-     * all of the basic EE core should be loaded at this point and available regardless of M-Mode
-     *
-     * @access public
-     * @return void
-     * @throws Exception
-     */
-    public function core_loaded_and_ready()
-    {
-        if ($this->request->isAdmin() || $this->request->isFrontend() || $this->request->isIframe()) {
-            try {
-                $this->loader->getShared('EventEspresso\core\services\assets\Registry');
-                $this->loader->getShared('EventEspresso\core\domain\services\assets\CoreAssetManager');
-                if (function_exists('register_block_type')) {
-                    $this->loader->getShared(
-                        'EventEspresso\core\services\editor\BlockRegistrationManager'
-                    );
-                }
-            } catch (Exception $exception) {
-                new ExceptionStackTraceDisplay($exception);
-            }
-        }
-        if ($this->request->isAdmin()
-            || $this->request->isEeAjax()
-            || $this->request->isFrontend()
-        ) {
-            $this->loader->getShared('EE_Session');
-        }
-        // integrate WP_Query with the EE models
-        $this->loader->getShared('EE_CPT_Strategy');
-        do_action('AHEE__EE_System__core_loaded_and_ready');
-        // load_espresso_template_tags
-        if (($this->request->isFrontend()
-             || $this->request->isIframe()
-             || $this->request->isFeed()
-             ||  $this->request->isAjax()
-            ) && is_readable(EE_PUBLIC . 'template_tags.php')
-        ) {
-            require_once EE_PUBLIC . 'template_tags.php';
-        }
-        do_action('AHEE__EE_System__set_hooks_for_shortcodes_modules_and_addons');
-    }
-
-
-    /**
-     * 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 hook point, 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');
-        /** @var EventEspresso\core\domain\services\custom_post_types\RewriteRules $rewrite_rules */
-        $rewrite_rules = $this->loader->getShared(
-            'EventEspresso\core\domain\services\custom_post_types\RewriteRules'
-        );
-        $rewrite_rules->flushRewriteRules();
-        add_action('admin_bar_init', array($this, 'addEspressoToolbar'));
-        if (($this->request->isAjax() || $this->request->isAdmin())
-            && $this->maintenance_mode->models_can_query()) {
-            $this->loader->getShared('EventEspresso\core\services\privacy\export\PersonalDataExporterManager');
-            $this->loader->getShared('EventEspresso\core\services\privacy\erasure\PersonalDataEraserManager');
-        }
-    }
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     */
-    public function addEspressoToolbar()
-    {
-        $this->loader->getShared(
-            'EventEspresso\core\domain\services\admin\AdminToolBar',
-            array($this->registry->CAP)
-        );
-    }
-
-
-    /**
-     * 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();
-    }
-
-
-    /**
-     * 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());
-    }
+	/**
+	 * 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_';
+
+	/**
+	 * @var EE_System $_instance
+	 */
+	private static $_instance;
+
+	/**
+	 * @var EE_Registry $registry
+	 */
+	private $registry;
+
+	/**
+	 * @var LoaderInterface $loader
+	 */
+	private $loader;
+
+	/**
+	 * @var EE_Capabilities $capabilities
+	 */
+	private $capabilities;
+
+	/**
+	 * @var RequestInterface $request
+	 */
+	private $request;
+
+	/**
+	 * @var EE_Maintenance_Mode $maintenance_mode
+	 */
+	private $maintenance_mode;
+
+	/**
+	 * 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 $_req_type
+	 */
+	private $_req_type;
+
+	/**
+	 * Whether or not there was a non-micro version change in EE core version during this request
+	 *
+	 * @var boolean $_major_version_change
+	 */
+	private $_major_version_change = false;
+
+	/**
+	 * A Context DTO dedicated solely to identifying the current request type.
+	 *
+	 * @var RequestTypeContextCheckerInterface $request_type
+	 */
+	private $request_type;
+
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @param EE_Registry|null         $registry
+	 * @param LoaderInterface|null     $loader
+	 * @param RequestInterface|null    $request
+	 * @param EE_Maintenance_Mode|null $maintenance_mode
+	 * @return EE_System
+	 */
+	public static function instance(
+		EE_Registry $registry = null,
+		LoaderInterface $loader = null,
+		RequestInterface $request = null,
+		EE_Maintenance_Mode $maintenance_mode = null
+	) {
+		// check if class object is instantiated
+		if (! self::$_instance instanceof EE_System) {
+			self::$_instance = new self($registry, $loader, $request, $maintenance_mode);
+		}
+		return self::$_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
+	 *
+	 * @param EE_Registry         $registry
+	 * @param LoaderInterface     $loader
+	 * @param RequestInterface    $request
+	 * @param EE_Maintenance_Mode $maintenance_mode
+	 */
+	private function __construct(
+		EE_Registry $registry,
+		LoaderInterface $loader,
+		RequestInterface $request,
+		EE_Maintenance_Mode $maintenance_mode
+	) {
+		$this->registry = $registry;
+		$this->loader = $loader;
+		$this->request = $request;
+		$this->maintenance_mode = $maintenance_mode;
+		do_action('AHEE__EE_System__construct__begin', $this);
+		add_action(
+			'AHEE__EE_Bootstrap__load_espresso_addons',
+			array($this, 'loadCapabilities'),
+			5
+		);
+		add_action(
+			'AHEE__EE_Bootstrap__load_espresso_addons',
+			array($this, 'loadCommandBus'),
+			7
+		);
+		add_action(
+			'AHEE__EE_Bootstrap__load_espresso_addons',
+			array($this, 'loadPluginApi'),
+			9
+		);
+		// 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 and setup EE_Capabilities
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function loadCapabilities()
+	{
+		$this->capabilities = $this->loader->getShared('EE_Capabilities');
+		add_action(
+			'AHEE__EE_Capabilities__init_caps__before_initialization',
+			function () {
+				LoaderFactory::getLoader()->getShared('EE_Payment_Method_Manager');
+			}
+		);
+	}
+
+
+	/**
+	 * create and cache the CommandBus, and also add middleware
+	 * The CapChecker middleware requires the use of EE_Capabilities
+	 * which is why we need to load the CommandBus after Caps are set up
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function loadCommandBus()
+	{
+		$this->loader->getShared(
+			'CommandBusInterface',
+			array(
+				null,
+				apply_filters(
+					'FHEE__EE_Load_Espresso_Core__handle_request__CommandBus_middleware',
+					array(
+						$this->loader->getShared('EventEspresso\core\services\commands\middleware\CapChecker'),
+						$this->loader->getShared('EventEspresso\core\services\commands\middleware\AddActionHook'),
+					)
+				),
+			)
+		);
+	}
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function loadPluginApi()
+	{
+		// 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');
+		$this->loader->getShared('EE_Request_Handler');
+	}
+
+
+	/**
+	 * @param string $addon_name
+	 * @param string $version_constant
+	 * @param string $min_version_required
+	 * @param string $load_callback
+	 * @param string $plugin_file_constant
+	 * @return void
+	 */
+	private function deactivateIncompatibleAddon(
+		$addon_name,
+		$version_constant,
+		$min_version_required,
+		$load_callback,
+		$plugin_file_constant
+	) {
+		if (! defined($version_constant)) {
+			return;
+		}
+		$addon_version = constant($version_constant);
+		if ($addon_version && version_compare($addon_version, $min_version_required, '<')) {
+			remove_action('AHEE__EE_System__load_espresso_addons', $load_callback);
+			if (! function_exists('deactivate_plugins')) {
+				require_once ABSPATH . 'wp-admin/includes/plugin.php';
+			}
+			deactivate_plugins(plugin_basename(constant($plugin_file_constant)));
+			unset($_GET['activate'], $_REQUEST['activate'], $_GET['activate-multi'], $_REQUEST['activate-multi']);
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						'We\'re sorry, but the Event Espresso %1$s addon was deactivated because version %2$s or higher is required with this version of Event Espresso core.',
+						'event_espresso'
+					),
+					$addon_name,
+					$min_version_required
+				),
+				__FILE__,
+				__FUNCTION__ . "({$addon_name})",
+				__LINE__
+			);
+			EE_Error::get_notices(false, true);
+		}
+	}
+
+
+	/**
+	 * 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' hook point
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function load_espresso_addons()
+	{
+		$this->deactivateIncompatibleAddon(
+			'Wait Lists',
+			'EE_WAIT_LISTS_VERSION',
+			'1.0.0.beta.074',
+			'load_espresso_wait_lists',
+			'EE_WAIT_LISTS_PLUGIN_FILE'
+		);
+		$this->deactivateIncompatibleAddon(
+			'Automated Upcoming Event Notifications',
+			'EE_AUTOMATED_UPCOMING_EVENT_NOTIFICATION_VERSION',
+			'1.0.0.beta.091',
+			'load_espresso_automated_upcoming_event_notification',
+			'EE_AUTOMATED_UPCOMING_EVENT_NOTIFICATION_PLUGIN_FILE'
+		);
+		do_action('AHEE__EE_System__load_espresso_addons');
+		// if the WP API basic auth plugin isn't already loaded, load it now.
+		// We want it for mobile apps. Just include the entire plugin
+		// also, don't load the basic auth when a plugin is getting activated, because
+		// it could be the basic auth plugin, and it doesn't check if its methods are already defined
+		// and causes a fatal error
+		if ($this->request->getRequestParam('activate') !== 'true'
+			&& ! function_exists('json_basic_auth_handler')
+			&& ! function_exists('json_basic_auth_error')
+			&& ! in_array(
+				$this->request->getRequestParam('action'),
+				array('activate', 'activate-selected'),
+				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 $addon) {
+			if ($addon instanceof EE_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');
+		// 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
+				$this->maintenance_mode->set_maintenance_mode_if_db_old();
+				$this->_handle_core_version_change($espresso_db_update);
+				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
+				$this->maintenance_mode->set_maintenance_mode_if_db_old();
+				$this->_handle_core_version_change($espresso_db_update);
+				break;
+			case EE_System::req_type_normal:
+			default:
+				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 $espresso_db_update
+	 */
+	private function _handle_core_version_change($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 mixed $espresso_db_update           the value of the WordPress option.
+	 *                                            If not supplied, fetches it from the options table
+	 * @return array the correct value of 'espresso_db_upgrade', after saving it, if it needed correction
+	 */
+	private function fix_espresso_db_upgrade_option($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 $verify_schema         if true will re-check the database tables have the correct schema.
+	 *                                       This is a resource-intensive job
+	 *                                       so we prefer to only do it when necessary
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function initialize_db_if_no_migrations_required($initialize_addons_too = false, $verify_schema = true)
+	{
+		$request_type = $this->detect_req_type();
+		// only initialize system if we're not in maintenance mode.
+		if ($this->maintenance_mode->level() !== EE_Maintenance_Mode::level_2_complete_maintenance) {
+			/** @var EventEspresso\core\domain\services\custom_post_types\RewriteRules $rewrite_rules */
+			$rewrite_rules = $this->loader->getShared(
+				'EventEspresso\core\domain\services\custom_post_types\RewriteRules'
+			);
+			$rewrite_rules->flush();
+			if ($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
+	 *
+	 * @throws EE_Error
+	 */
+	public function initialize_addons()
+	{
+		// foreach registered addon, make sure its db is up-to-date too
+		foreach ($this->registry->addons as $addon) {
+			if ($addon instanceof EE_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);
+		}
+		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 = EE_System::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);
+			$this->request->setIsActivation($this->_req_type !== EE_System::req_type_normal);
+		}
+		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 $activation_history
+	 * @return bool
+	 */
+	private function _detect_major_version_change($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 $version_to_upgrade_to is HIGHER (upgrade) ;
+	 */
+	private static function _new_version_is_higher($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 $activation_history  (keys are versions, values are arrays of times activated,
+	 *                                   sometimes containing 'unknown-date'
+	 * @return string
+	 */
+	private static function _get_most_recently_active_version_from_activation_history($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()
+	{
+		$notices = EE_Error::get_notices(false);
+		// if current user is an admin and it's not an ajax or rest request
+		if (! isset($notices['errors'])
+			&& $this->request->isAdmin()
+			&& apply_filters(
+				'FHEE__EE_System__redirect_to_about_ee__do_redirect',
+				$this->capabilities->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
+	 * @throws ReflectionException
+	 */
+	public function load_core_configuration()
+	{
+		do_action('AHEE__EE_System__load_core_configuration__begin', $this);
+		$this->loader->getShared('EE_Load_Textdomain');
+		// load textdomain
+		EE_Load_Textdomain::load_textdomain();
+		// load and setup EE_Config and EE_Network_Config
+		$config = $this->loader->getShared('EE_Config');
+		$this->loader->getShared('EE_Network_Config');
+		// setup autoloaders
+		// enable logging?
+		if ($config->admin->use_full_logging) {
+			$this->loader->getShared('EE_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();
+		// configure custom post type definitions
+		$this->loader->getShared('EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions');
+		$this->loader->getShared('EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions');
+		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
+	 * @throws ReflectionException
+	 */
+	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
+	 * @throws DomainException
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidClassException
+	 * @throws InvalidFilePathException
+	 */
+	private function _maybe_brew_regular()
+	{
+		/** @var Domain $domain */
+		$domain = DomainFactory::getShared(
+			new FullyQualifiedName(
+				'EventEspresso\core\domain\Domain'
+			),
+			array(
+				new FilePath(EVENT_ESPRESSO_MAIN_FILE),
+				Version::fromString(espresso_version()),
+			)
+		);
+		if ($domain->isCaffeinated()) {
+			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
+	 * @throws Exception
+	 */
+	public function register_shortcodes_modules_and_widgets()
+	{
+		if ($this->request->isFrontend() || $this->request->isIframe() || $this->request->isAjax()) {
+			try {
+				// load, register, and add shortcodes the new way
+				$this->loader->getShared(
+					'EventEspresso\core\services\shortcodes\ShortcodesManager',
+					array(
+						// and the old way, but we'll put it under control of the new system
+						EE_Config::getLegacyShortcodesManager(),
+					)
+				);
+			} catch (Exception $exception) {
+				new ExceptionStackTraceDisplay($exception);
+			}
+		}
+		do_action('AHEE__EE_System__register_shortcodes_modules_and_widgets');
+		// check for addons using old hook point
+		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' hook point
+	 * 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);
+		if (is_admin() && apply_filters('FHEE__EE_System__brew_espresso__load_pue', true)) {
+			// pew pew pew
+			$this->loader->getShared('EventEspresso\core\services\licensing\LicenseService');
+			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
+	 * @throws EE_Error
+	 */
+	public function set_hooks_for_core()
+	{
+		$this->_deactivate_incompatible_addons();
+		do_action('AHEE__EE_System__set_hooks_for_core');
+		$this->loader->getShared('EventEspresso\core\domain\values\session\SessionLifespan');
+		// 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();
+	}
+
+
+	/**
+	 * 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()
+	{
+		do_action('AHEE__EE_System__perform_activations_upgrades_and_migrations');
+	}
+
+
+	/**
+	 * @return void
+	 * @throws DomainException
+	 */
+	public function load_CPTs_and_session()
+	{
+		do_action('AHEE__EE_System__load_CPTs_and_session__start');
+		/** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies $register_custom_taxonomies */
+		$register_custom_taxonomies = $this->loader->getShared(
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies'
+		);
+		$register_custom_taxonomies->registerCustomTaxonomies();
+		/** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes $register_custom_post_types */
+		$register_custom_post_types = $this->loader->getShared(
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes'
+		);
+		$register_custom_post_types->registerCustomPostTypes();
+		/** @var EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomyTerms $register_custom_taxonomy_terms */
+		$register_custom_taxonomy_terms = $this->loader->getShared(
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomyTerms'
+		);
+		$register_custom_taxonomy_terms->registerCustomTaxonomyTerms();
+		// load legacy Custom Post Types and Taxonomies
+		$this->loader->getShared('EE_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 (! $this->maintenance_mode->level()
+			&& ($this->request->isFrontend() || $this->request->isFrontAjax())
+		) {
+			do_action('AHEE__EE_System__load_controllers__load_front_controllers');
+			$this->loader->getShared('EE_Front_Controller');
+		} elseif ($this->request->isAdmin() || $this->request->isAdminAjax()) {
+			do_action('AHEE__EE_System__load_controllers__load_admin_controllers');
+			$this->loader->getShared('EE_Admin');
+		}
+		do_action('AHEE__EE_System__load_controllers__complete');
+	}
+
+
+	/**
+	 * core_loaded_and_ready
+	 * all of the basic EE core should be loaded at this point and available regardless of M-Mode
+	 *
+	 * @access public
+	 * @return void
+	 * @throws Exception
+	 */
+	public function core_loaded_and_ready()
+	{
+		if ($this->request->isAdmin() || $this->request->isFrontend() || $this->request->isIframe()) {
+			try {
+				$this->loader->getShared('EventEspresso\core\services\assets\Registry');
+				$this->loader->getShared('EventEspresso\core\domain\services\assets\CoreAssetManager');
+				if (function_exists('register_block_type')) {
+					$this->loader->getShared(
+						'EventEspresso\core\services\editor\BlockRegistrationManager'
+					);
+				}
+			} catch (Exception $exception) {
+				new ExceptionStackTraceDisplay($exception);
+			}
+		}
+		if ($this->request->isAdmin()
+			|| $this->request->isEeAjax()
+			|| $this->request->isFrontend()
+		) {
+			$this->loader->getShared('EE_Session');
+		}
+		// integrate WP_Query with the EE models
+		$this->loader->getShared('EE_CPT_Strategy');
+		do_action('AHEE__EE_System__core_loaded_and_ready');
+		// load_espresso_template_tags
+		if (($this->request->isFrontend()
+			 || $this->request->isIframe()
+			 || $this->request->isFeed()
+			 ||  $this->request->isAjax()
+			) && is_readable(EE_PUBLIC . 'template_tags.php')
+		) {
+			require_once EE_PUBLIC . 'template_tags.php';
+		}
+		do_action('AHEE__EE_System__set_hooks_for_shortcodes_modules_and_addons');
+	}
+
+
+	/**
+	 * 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 hook point, 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');
+		/** @var EventEspresso\core\domain\services\custom_post_types\RewriteRules $rewrite_rules */
+		$rewrite_rules = $this->loader->getShared(
+			'EventEspresso\core\domain\services\custom_post_types\RewriteRules'
+		);
+		$rewrite_rules->flushRewriteRules();
+		add_action('admin_bar_init', array($this, 'addEspressoToolbar'));
+		if (($this->request->isAjax() || $this->request->isAdmin())
+			&& $this->maintenance_mode->models_can_query()) {
+			$this->loader->getShared('EventEspresso\core\services\privacy\export\PersonalDataExporterManager');
+			$this->loader->getShared('EventEspresso\core\services\privacy\erasure\PersonalDataEraserManager');
+		}
+	}
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function addEspressoToolbar()
+	{
+		$this->loader->getShared(
+			'EventEspresso\core\domain\services\admin\AdminToolBar',
+			array($this->registry->CAP)
+		);
+	}
+
+
+	/**
+	 * 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();
+	}
+
+
+	/**
+	 * 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());
+	}
 }

core/EE_Error.core.php

Indentation +1126 added lines, -1126 removed lines

@@ -10,8 +10,8 @@ 
 // if you're a dev and want to receive all errors via email
 // add this to your wp-config.php: define( 'EE_ERROR_EMAILS', TRUE );
 if (defined('WP_DEBUG') && WP_DEBUG === true && defined('EE_ERROR_EMAILS') && EE_ERROR_EMAILS === true) {
-    set_error_handler(array('EE_Error', 'error_handler'));
-    register_shutdown_function(array('EE_Error', 'fatal_error_handler'));
+	set_error_handler(array('EE_Error', 'error_handler'));
+	register_shutdown_function(array('EE_Error', 'fatal_error_handler'));
 }
 
 
@@ -25,251 +25,251 @@ 
 class EE_Error extends Exception
 {
 
-    const OPTIONS_KEY_NOTICES = 'ee_notices';
-
-
-    /**
-     * name of the file to log exceptions to
-     *
-     * @var string
-     */
-    private static $_exception_log_file = 'espresso_error_log.txt';
-
-    /**
-     *    stores details for all exception
-     *
-     * @var array
-     */
-    private static $_all_exceptions = array();
-
-    /**
-     *    tracks number of errors
-     *
-     * @var int
-     */
-    private static $_error_count = 0;
-
-    /**
-     * @var array $_espresso_notices
-     */
-    private static $_espresso_notices = array('success' => false, 'errors' => false, 'attention' => false);
-
-
-    /**
-     * @override default exception handling
-     * @param string         $message
-     * @param int            $code
-     * @param Exception|null $previous
-     */
-    public function __construct($message, $code = 0, Exception $previous = null)
-    {
-        if (version_compare(PHP_VERSION, '5.3.0', '<')) {
-            parent::__construct($message, $code);
-        } else {
-            parent::__construct($message, $code, $previous);
-        }
-    }
-
-
-    /**
-     *    error_handler
-     *
-     * @param $code
-     * @param $message
-     * @param $file
-     * @param $line
-     * @return void
-     */
-    public static function error_handler($code, $message, $file, $line)
-    {
-        $type = EE_Error::error_type($code);
-        $site = site_url();
-        switch ($site) {
-            case 'http://ee4.eventespresso.com/':
-            case 'http://ee4decaf.eventespresso.com/':
-            case 'http://ee4hf.eventespresso.com/':
-            case 'http://ee4a.eventespresso.com/':
-            case 'http://ee4ad.eventespresso.com/':
-            case 'http://ee4b.eventespresso.com/':
-            case 'http://ee4bd.eventespresso.com/':
-            case 'http://ee4d.eventespresso.com/':
-            case 'http://ee4dd.eventespresso.com/':
-                $to = 'developers@eventespresso.com';
-                break;
-            default:
-                $to = get_option('admin_email');
-        }
-        $subject = $type . ' ' . $message . ' in ' . EVENT_ESPRESSO_VERSION . ' on ' . site_url();
-        $msg = EE_Error::_format_error($type, $message, $file, $line);
-        if (function_exists('wp_mail')) {
-            add_filter('wp_mail_content_type', array('EE_Error', 'set_content_type'));
-            wp_mail($to, $subject, $msg);
-        }
-        echo '<div id="message" class="espresso-notices error"><p>';
-        echo $type . ': ' . $message . '<br />' . $file . ' line ' . $line;
-        echo '<br /></p></div>';
-    }
-
-
-    /**
-     * error_type
-     * http://www.php.net/manual/en/errorfunc.constants.php#109430
-     *
-     * @param $code
-     * @return string
-     */
-    public static function error_type($code)
-    {
-        switch ($code) {
-            case E_ERROR: // 1 //
-                return 'E_ERROR';
-            case E_WARNING: // 2 //
-                return 'E_WARNING';
-            case E_PARSE: // 4 //
-                return 'E_PARSE';
-            case E_NOTICE: // 8 //
-                return 'E_NOTICE';
-            case E_CORE_ERROR: // 16 //
-                return 'E_CORE_ERROR';
-            case E_CORE_WARNING: // 32 //
-                return 'E_CORE_WARNING';
-            case E_COMPILE_ERROR: // 64 //
-                return 'E_COMPILE_ERROR';
-            case E_COMPILE_WARNING: // 128 //
-                return 'E_COMPILE_WARNING';
-            case E_USER_ERROR: // 256 //
-                return 'E_USER_ERROR';
-            case E_USER_WARNING: // 512 //
-                return 'E_USER_WARNING';
-            case E_USER_NOTICE: // 1024 //
-                return 'E_USER_NOTICE';
-            case E_STRICT: // 2048 //
-                return 'E_STRICT';
-            case E_RECOVERABLE_ERROR: // 4096 //
-                return 'E_RECOVERABLE_ERROR';
-            case E_DEPRECATED: // 8192 //
-                return 'E_DEPRECATED';
-            case E_USER_DEPRECATED: // 16384 //
-                return 'E_USER_DEPRECATED';
-            case E_ALL: // 16384 //
-                return 'E_ALL';
-        }
-        return '';
-    }
-
-
-    /**
-     *    fatal_error_handler
-     *
-     * @return void
-     */
-    public static function fatal_error_handler()
-    {
-        $last_error = error_get_last();
-        if ($last_error['type'] === E_ERROR) {
-            EE_Error::error_handler(E_ERROR, $last_error['message'], $last_error['file'], $last_error['line']);
-        }
-    }
-
-
-    /**
-     * _format_error
-     *
-     * @param $code
-     * @param $message
-     * @param $file
-     * @param $line
-     * @return string
-     */
-    private static function _format_error($code, $message, $file, $line)
-    {
-        $html = "<table cellpadding='5'><thead bgcolor='#f8f8f8'><th>Item</th><th align='left'>Details</th></thead><tbody>";
-        $html .= "<tr valign='top'><td><b>Code</b></td><td>$code</td></tr>";
-        $html .= "<tr valign='top'><td><b>Error</b></td><td>$message</td></tr>";
-        $html .= "<tr valign='top'><td><b>File</b></td><td>$file</td></tr>";
-        $html .= "<tr valign='top'><td><b>Line</b></td><td>$line</td></tr>";
-        $html .= '</tbody></table>';
-        return $html;
-    }
-
-
-    /**
-     * set_content_type
-     *
-     * @param $content_type
-     * @return string
-     */
-    public static function set_content_type($content_type)
-    {
-        return 'text/html';
-    }
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public function get_error()
-    {
-        if (apply_filters('FHEE__EE_Error__get_error__show_normal_exceptions', false)) {
-            throw $this;
-        }
-        // get separate user and developer messages if they exist
-        $msg = explode('||', $this->getMessage());
-        $user_msg = $msg[0];
-        $dev_msg = isset($msg[1]) ? $msg[1] : $msg[0];
-        $msg = WP_DEBUG ? $dev_msg : $user_msg;
-        // add details to _all_exceptions array
-        $x_time = time();
-        self::$_all_exceptions[ $x_time ]['name'] = get_class($this);
-        self::$_all_exceptions[ $x_time ]['file'] = $this->getFile();
-        self::$_all_exceptions[ $x_time ]['line'] = $this->getLine();
-        self::$_all_exceptions[ $x_time ]['msg'] = $msg;
-        self::$_all_exceptions[ $x_time ]['code'] = $this->getCode();
-        self::$_all_exceptions[ $x_time ]['trace'] = $this->getTrace();
-        self::$_all_exceptions[ $x_time ]['string'] = $this->getTraceAsString();
-        self::$_error_count++;
-        // add_action( 'shutdown', array( $this, 'display_errors' ));
-        $this->display_errors();
-    }
-
-
-    /**
-     * @param bool   $check_stored
-     * @param string $type_to_check
-     * @return bool
-     * @throws \EventEspresso\core\exceptions\InvalidInterfaceException
-     * @throws \InvalidArgumentException
-     * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function has_error($check_stored = false, $type_to_check = 'errors')
-    {
-        $has_error = isset(self::$_espresso_notices[ $type_to_check ])
-                     && ! empty(self::$_espresso_notices[ $type_to_check ])
-            ? true
-            : false;
-        if ($check_stored && ! $has_error) {
-            $notices = EE_Error::getStoredNotices();
-            foreach ($notices as $type => $notice) {
-                if ($type === $type_to_check && $notice) {
-                    return true;
-                }
-            }
-        }
-        return $has_error;
-    }
-
-
-    /**
-     * @echo string
-     * @throws \ReflectionException
-     */
-    public function display_errors()
-    {
-        $trace_details = '';
-        $output = '
+	const OPTIONS_KEY_NOTICES = 'ee_notices';
+
+
+	/**
+	 * name of the file to log exceptions to
+	 *
+	 * @var string
+	 */
+	private static $_exception_log_file = 'espresso_error_log.txt';
+
+	/**
+	 *    stores details for all exception
+	 *
+	 * @var array
+	 */
+	private static $_all_exceptions = array();
+
+	/**
+	 *    tracks number of errors
+	 *
+	 * @var int
+	 */
+	private static $_error_count = 0;
+
+	/**
+	 * @var array $_espresso_notices
+	 */
+	private static $_espresso_notices = array('success' => false, 'errors' => false, 'attention' => false);
+
+
+	/**
+	 * @override default exception handling
+	 * @param string         $message
+	 * @param int            $code
+	 * @param Exception|null $previous
+	 */
+	public function __construct($message, $code = 0, Exception $previous = null)
+	{
+		if (version_compare(PHP_VERSION, '5.3.0', '<')) {
+			parent::__construct($message, $code);
+		} else {
+			parent::__construct($message, $code, $previous);
+		}
+	}
+
+
+	/**
+	 *    error_handler
+	 *
+	 * @param $code
+	 * @param $message
+	 * @param $file
+	 * @param $line
+	 * @return void
+	 */
+	public static function error_handler($code, $message, $file, $line)
+	{
+		$type = EE_Error::error_type($code);
+		$site = site_url();
+		switch ($site) {
+			case 'http://ee4.eventespresso.com/':
+			case 'http://ee4decaf.eventespresso.com/':
+			case 'http://ee4hf.eventespresso.com/':
+			case 'http://ee4a.eventespresso.com/':
+			case 'http://ee4ad.eventespresso.com/':
+			case 'http://ee4b.eventespresso.com/':
+			case 'http://ee4bd.eventespresso.com/':
+			case 'http://ee4d.eventespresso.com/':
+			case 'http://ee4dd.eventespresso.com/':
+				$to = 'developers@eventespresso.com';
+				break;
+			default:
+				$to = get_option('admin_email');
+		}
+		$subject = $type . ' ' . $message . ' in ' . EVENT_ESPRESSO_VERSION . ' on ' . site_url();
+		$msg = EE_Error::_format_error($type, $message, $file, $line);
+		if (function_exists('wp_mail')) {
+			add_filter('wp_mail_content_type', array('EE_Error', 'set_content_type'));
+			wp_mail($to, $subject, $msg);
+		}
+		echo '<div id="message" class="espresso-notices error"><p>';
+		echo $type . ': ' . $message . '<br />' . $file . ' line ' . $line;
+		echo '<br /></p></div>';
+	}
+
+
+	/**
+	 * error_type
+	 * http://www.php.net/manual/en/errorfunc.constants.php#109430
+	 *
+	 * @param $code
+	 * @return string
+	 */
+	public static function error_type($code)
+	{
+		switch ($code) {
+			case E_ERROR: // 1 //
+				return 'E_ERROR';
+			case E_WARNING: // 2 //
+				return 'E_WARNING';
+			case E_PARSE: // 4 //
+				return 'E_PARSE';
+			case E_NOTICE: // 8 //
+				return 'E_NOTICE';
+			case E_CORE_ERROR: // 16 //
+				return 'E_CORE_ERROR';
+			case E_CORE_WARNING: // 32 //
+				return 'E_CORE_WARNING';
+			case E_COMPILE_ERROR: // 64 //
+				return 'E_COMPILE_ERROR';
+			case E_COMPILE_WARNING: // 128 //
+				return 'E_COMPILE_WARNING';
+			case E_USER_ERROR: // 256 //
+				return 'E_USER_ERROR';
+			case E_USER_WARNING: // 512 //
+				return 'E_USER_WARNING';
+			case E_USER_NOTICE: // 1024 //
+				return 'E_USER_NOTICE';
+			case E_STRICT: // 2048 //
+				return 'E_STRICT';
+			case E_RECOVERABLE_ERROR: // 4096 //
+				return 'E_RECOVERABLE_ERROR';
+			case E_DEPRECATED: // 8192 //
+				return 'E_DEPRECATED';
+			case E_USER_DEPRECATED: // 16384 //
+				return 'E_USER_DEPRECATED';
+			case E_ALL: // 16384 //
+				return 'E_ALL';
+		}
+		return '';
+	}
+
+
+	/**
+	 *    fatal_error_handler
+	 *
+	 * @return void
+	 */
+	public static function fatal_error_handler()
+	{
+		$last_error = error_get_last();
+		if ($last_error['type'] === E_ERROR) {
+			EE_Error::error_handler(E_ERROR, $last_error['message'], $last_error['file'], $last_error['line']);
+		}
+	}
+
+
+	/**
+	 * _format_error
+	 *
+	 * @param $code
+	 * @param $message
+	 * @param $file
+	 * @param $line
+	 * @return string
+	 */
+	private static function _format_error($code, $message, $file, $line)
+	{
+		$html = "<table cellpadding='5'><thead bgcolor='#f8f8f8'><th>Item</th><th align='left'>Details</th></thead><tbody>";
+		$html .= "<tr valign='top'><td><b>Code</b></td><td>$code</td></tr>";
+		$html .= "<tr valign='top'><td><b>Error</b></td><td>$message</td></tr>";
+		$html .= "<tr valign='top'><td><b>File</b></td><td>$file</td></tr>";
+		$html .= "<tr valign='top'><td><b>Line</b></td><td>$line</td></tr>";
+		$html .= '</tbody></table>';
+		return $html;
+	}
+
+
+	/**
+	 * set_content_type
+	 *
+	 * @param $content_type
+	 * @return string
+	 */
+	public static function set_content_type($content_type)
+	{
+		return 'text/html';
+	}
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public function get_error()
+	{
+		if (apply_filters('FHEE__EE_Error__get_error__show_normal_exceptions', false)) {
+			throw $this;
+		}
+		// get separate user and developer messages if they exist
+		$msg = explode('||', $this->getMessage());
+		$user_msg = $msg[0];
+		$dev_msg = isset($msg[1]) ? $msg[1] : $msg[0];
+		$msg = WP_DEBUG ? $dev_msg : $user_msg;
+		// add details to _all_exceptions array
+		$x_time = time();
+		self::$_all_exceptions[ $x_time ]['name'] = get_class($this);
+		self::$_all_exceptions[ $x_time ]['file'] = $this->getFile();
+		self::$_all_exceptions[ $x_time ]['line'] = $this->getLine();
+		self::$_all_exceptions[ $x_time ]['msg'] = $msg;
+		self::$_all_exceptions[ $x_time ]['code'] = $this->getCode();
+		self::$_all_exceptions[ $x_time ]['trace'] = $this->getTrace();
+		self::$_all_exceptions[ $x_time ]['string'] = $this->getTraceAsString();
+		self::$_error_count++;
+		// add_action( 'shutdown', array( $this, 'display_errors' ));
+		$this->display_errors();
+	}
+
+
+	/**
+	 * @param bool   $check_stored
+	 * @param string $type_to_check
+	 * @return bool
+	 * @throws \EventEspresso\core\exceptions\InvalidInterfaceException
+	 * @throws \InvalidArgumentException
+	 * @throws \EventEspresso\core\exceptions\InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function has_error($check_stored = false, $type_to_check = 'errors')
+	{
+		$has_error = isset(self::$_espresso_notices[ $type_to_check ])
+					 && ! empty(self::$_espresso_notices[ $type_to_check ])
+			? true
+			: false;
+		if ($check_stored && ! $has_error) {
+			$notices = EE_Error::getStoredNotices();
+			foreach ($notices as $type => $notice) {
+				if ($type === $type_to_check && $notice) {
+					return true;
+				}
+			}
+		}
+		return $has_error;
+	}
+
+
+	/**
+	 * @echo string
+	 * @throws \ReflectionException
+	 */
+	public function display_errors()
+	{
+		$trace_details = '';
+		$output = '
 <style type="text/css">
 	#ee-error-message {
 		max-width:90% !important;
@@ -325,21 +325,21 @@ 
 	}
 </style>
 <div id="ee-error-message" class="error">';
-        if (! WP_DEBUG) {
-            $output .= '
+		if (! WP_DEBUG) {
+			$output .= '
 	<p>';
-        }
-        // cycle thru errors
-        foreach (self::$_all_exceptions as $time => $ex) {
-            $error_code = '';
-            // process trace info
-            if (empty($ex['trace'])) {
-                $trace_details .= __(
-                    'Sorry, but no trace information was available for this exception.',
-                    'event_espresso'
-                );
-            } else {
-                $trace_details .= '
+		}
+		// cycle thru errors
+		foreach (self::$_all_exceptions as $time => $ex) {
+			$error_code = '';
+			// process trace info
+			if (empty($ex['trace'])) {
+				$trace_details .= __(
+					'Sorry, but no trace information was available for this exception.',
+					'event_espresso'
+				);
+			} else {
+				$trace_details .= '
 			<div id="ee-trace-details">
 			<table width="100%" border="0" cellpadding="5" cellspacing="0">
 				<tr>
@@ -349,43 +349,43 @@ 
 					<th scope="col" align="left">Class</th>
 					<th scope="col" align="left">Method( arguments )</th>
 				</tr>';
-                $last_on_stack = count($ex['trace']) - 1;
-                // reverse array so that stack is in proper chronological order
-                $sorted_trace = array_reverse($ex['trace']);
-                foreach ($sorted_trace as $nmbr => $trace) {
-                    $file = isset($trace['file']) ? $trace['file'] : '';
-                    $class = isset($trace['class']) ? $trace['class'] : '';
-                    $type = isset($trace['type']) ? $trace['type'] : '';
-                    $function = isset($trace['function']) ? $trace['function'] : '';
-                    $args = isset($trace['args']) ? $this->_convert_args_to_string($trace['args']) : '';
-                    $line = isset($trace['line']) ? $trace['line'] : '';
-                    $zebra = ($nmbr % 2) ? ' odd' : '';
-                    if (empty($file) && ! empty($class)) {
-                        $a = new ReflectionClass($class);
-                        $file = $a->getFileName();
-                        if (empty($line) && ! empty($function)) {
-                            try {
-                                // if $function is a closure, this throws an exception
-                                $b = new ReflectionMethod($class, $function);
-                                $line = $b->getStartLine();
-                            } catch (Exception $closure_exception) {
-                                $line = 'unknown';
-                            }
-                        }
-                    }
-                    if ($nmbr === $last_on_stack) {
-                        $file = $ex['file'] !== '' ? $ex['file'] : $file;
-                        $line = $ex['line'] !== '' ? $ex['line'] : $line;
-                        $error_code = self::generate_error_code($file, $trace['function'], $line);
-                    }
-                    $nmbr_dsply = ! empty($nmbr) ? $nmbr : '&nbsp;';
-                    $line_dsply = ! empty($line) ? $line : '&nbsp;';
-                    $file_dsply = ! empty($file) ? $file : '&nbsp;';
-                    $class_dsply = ! empty($class) ? $class : '&nbsp;';
-                    $type_dsply = ! empty($type) ? $type : '&nbsp;';
-                    $function_dsply = ! empty($function) ? $function : '&nbsp;';
-                    $args_dsply = ! empty($args) ? '( ' . $args . ' )' : '';
-                    $trace_details .= '
+				$last_on_stack = count($ex['trace']) - 1;
+				// reverse array so that stack is in proper chronological order
+				$sorted_trace = array_reverse($ex['trace']);
+				foreach ($sorted_trace as $nmbr => $trace) {
+					$file = isset($trace['file']) ? $trace['file'] : '';
+					$class = isset($trace['class']) ? $trace['class'] : '';
+					$type = isset($trace['type']) ? $trace['type'] : '';
+					$function = isset($trace['function']) ? $trace['function'] : '';
+					$args = isset($trace['args']) ? $this->_convert_args_to_string($trace['args']) : '';
+					$line = isset($trace['line']) ? $trace['line'] : '';
+					$zebra = ($nmbr % 2) ? ' odd' : '';
+					if (empty($file) && ! empty($class)) {
+						$a = new ReflectionClass($class);
+						$file = $a->getFileName();
+						if (empty($line) && ! empty($function)) {
+							try {
+								// if $function is a closure, this throws an exception
+								$b = new ReflectionMethod($class, $function);
+								$line = $b->getStartLine();
+							} catch (Exception $closure_exception) {
+								$line = 'unknown';
+							}
+						}
+					}
+					if ($nmbr === $last_on_stack) {
+						$file = $ex['file'] !== '' ? $ex['file'] : $file;
+						$line = $ex['line'] !== '' ? $ex['line'] : $line;
+						$error_code = self::generate_error_code($file, $trace['function'], $line);
+					}
+					$nmbr_dsply = ! empty($nmbr) ? $nmbr : '&nbsp;';
+					$line_dsply = ! empty($line) ? $line : '&nbsp;';
+					$file_dsply = ! empty($file) ? $file : '&nbsp;';
+					$class_dsply = ! empty($class) ? $class : '&nbsp;';
+					$type_dsply = ! empty($type) ? $type : '&nbsp;';
+					$function_dsply = ! empty($function) ? $function : '&nbsp;';
+					$args_dsply = ! empty($args) ? '( ' . $args . ' )' : '';
+					$trace_details .= '
 					<tr>
 						<td align="right" class="' . $zebra . '">' . $nmbr_dsply . '</td>
 						<td align="right" class="' . $zebra . '">' . $line_dsply . '</td>
@@ -393,626 +393,626 @@ 
 						<td align="left" class="' . $zebra . '">' . $class_dsply . '</td>
 						<td align="left" class="' . $zebra . '">' . $type_dsply . $function_dsply . $args_dsply . '</td>
 					</tr>';
-                }
-                $trace_details .= '
+				}
+				$trace_details .= '
 			 </table>
 			</div>';
-            }
-            $ex['code'] = $ex['code'] ? $ex['code'] : $error_code;
-            // add generic non-identifying messages for non-privileged users
-            if (! WP_DEBUG) {
-                $output .= '<span class="ee-error-user-msg-spn">'
-                           . trim($ex['msg'])
-                           . '</span> &nbsp; <sup>'
-                           . $ex['code']
-                           . '</sup><br />';
-            } else {
-                // or helpful developer messages if debugging is on
-                $output .= '
+			}
+			$ex['code'] = $ex['code'] ? $ex['code'] : $error_code;
+			// add generic non-identifying messages for non-privileged users
+			if (! WP_DEBUG) {
+				$output .= '<span class="ee-error-user-msg-spn">'
+						   . trim($ex['msg'])
+						   . '</span> &nbsp; <sup>'
+						   . $ex['code']
+						   . '</sup><br />';
+			} else {
+				// or helpful developer messages if debugging is on
+				$output .= '
 		<div class="ee-error-dev-msg-dv">
 			<p class="ee-error-dev-msg-pg">
 				<strong class="ee-error-dev-msg-str">An '
-                           . $ex['name']
-                           . ' exception was thrown!</strong>  &nbsp; <span>code: '
-                           . $ex['code']
-                           . '</span><br />
+						   . $ex['name']
+						   . ' exception was thrown!</strong>  &nbsp; <span>code: '
+						   . $ex['code']
+						   . '</span><br />
 				<span class="big-text">"'
-                           . trim($ex['msg'])
-                           . '"</span><br/>
+						   . trim($ex['msg'])
+						   . '"</span><br/>
 				<a id="display-ee-error-trace-'
-                           . self::$_error_count
-                           . $time
-                           . '" class="display-ee-error-trace-lnk small-text" rel="ee-error-trace-'
-                           . self::$_error_count
-                           . $time
-                           . '">
+						   . self::$_error_count
+						   . $time
+						   . '" class="display-ee-error-trace-lnk small-text" rel="ee-error-trace-'
+						   . self::$_error_count
+						   . $time
+						   . '">
 					'
-                           . __('click to view backtrace and class/method details', 'event_espresso')
-                           . '
+						   . __('click to view backtrace and class/method details', 'event_espresso')
+						   . '
 				</a><br />
 				<span class="small-text lt-grey-text">'
-                           . $ex['file']
-                           . ' &nbsp; ( line no: '
-                           . $ex['line']
-                           . ' )</span>
+						   . $ex['file']
+						   . ' &nbsp; ( line no: '
+						   . $ex['line']
+						   . ' )</span>
 			</p>
 			<div id="ee-error-trace-'
-                           . self::$_error_count
-                           . $time
-                           . '-dv" class="ee-error-trace-dv" style="display: none;">
+						   . self::$_error_count
+						   . $time
+						   . '-dv" class="ee-error-trace-dv" style="display: none;">
 				'
-                           . $trace_details;
-                if (! empty($class)) {
-                    $output .= '
+						   . $trace_details;
+				if (! empty($class)) {
+					$output .= '
 				<div style="padding:3px; margin:0 0 1em; border:1px solid #666; background:#fff; border-radius:3px;">
 					<div style="padding:1em 2em; border:1px solid #666; background:#f9f9f9;">
 						<h3>Class Details</h3>';
-                    $a = new ReflectionClass($class);
-                    $output .= '
+					$a = new ReflectionClass($class);
+					$output .= '
 						<pre>' . $a . '</pre>
 					</div>
 				</div>';
-                }
-                $output .= '
+				}
+				$output .= '
 			</div>
 		</div>
 		<br />';
-            }
-            $this->write_to_error_log($time, $ex);
-        }
-        // remove last linebreak
-        $output = substr($output, 0, -6);
-        if (! WP_DEBUG) {
-            $output .= '
+			}
+			$this->write_to_error_log($time, $ex);
+		}
+		// remove last linebreak
+		$output = substr($output, 0, -6);
+		if (! WP_DEBUG) {
+			$output .= '
 	</p>';
-        }
-        $output .= '
+		}
+		$output .= '
 </div>';
-        $output .= self::_print_scripts(true);
-        if (defined('DOING_AJAX')) {
-            echo wp_json_encode(array('error' => $output));
-            exit();
-        }
-        echo $output;
-        die();
-    }
-
-
-    /**
-     *    generate string from exception trace args
-     *
-     * @param array $arguments
-     * @param bool  $array
-     * @return string
-     */
-    private function _convert_args_to_string($arguments = array(), $array = false)
-    {
-        $arg_string = '';
-        if (! empty($arguments)) {
-            $args = array();
-            foreach ($arguments as $arg) {
-                if (! empty($arg)) {
-                    if (is_string($arg)) {
-                        $args[] = " '" . $arg . "'";
-                    } elseif (is_array($arg)) {
-                        $args[] = 'ARRAY(' . $this->_convert_args_to_string($arg, true);
-                    } elseif ($arg === null) {
-                        $args[] = ' NULL';
-                    } elseif (is_bool($arg)) {
-                        $args[] = ($arg) ? ' TRUE' : ' FALSE';
-                    } elseif (is_object($arg)) {
-                        $args[] = ' OBJECT ' . get_class($arg);
-                    } elseif (is_resource($arg)) {
-                        $args[] = get_resource_type($arg);
-                    } else {
-                        $args[] = $arg;
-                    }
-                }
-            }
-            $arg_string = implode(', ', $args);
-        }
-        if ($array) {
-            $arg_string .= ' )';
-        }
-        return $arg_string;
-    }
-
-
-    /**
-     *    add error message
-     *
-     * @param        string $msg  the message to display to users or developers - adding a double pipe || (OR) creates
-     *                            separate messages for user || dev
-     * @param        string $file the file that the error occurred in - just use __FILE__
-     * @param        string $func the function/method that the error occurred in - just use __FUNCTION__
-     * @param        string $line the line number where the error occurred - just use __LINE__
-     * @return        void
-     */
-    public static function add_error($msg = null, $file = null, $func = null, $line = null)
-    {
-        self::_add_notice('errors', $msg, $file, $func, $line);
-        self::$_error_count++;
-    }
-
-
-    /**
-     * If WP_DEBUG is active, throws an exception. If WP_DEBUG is off, just
-     * adds an error
-     *
-     * @param string $msg
-     * @param string $file
-     * @param string $func
-     * @param string $line
-     * @throws EE_Error
-     */
-    public static function throw_exception_if_debugging($msg = null, $file = null, $func = null, $line = null)
-    {
-        if (WP_DEBUG) {
-            throw new EE_Error($msg);
-        }
-        EE_Error::add_error($msg, $file, $func, $line);
-    }
-
-
-    /**
-     *    add success message
-     *
-     * @param        string $msg  the message to display to users or developers - adding a double pipe || (OR) creates
-     *                            separate messages for user || dev
-     * @param        string $file the file that the error occurred in - just use __FILE__
-     * @param        string $func the function/method that the error occurred in - just use __FUNCTION__
-     * @param        string $line the line number where the error occurred - just use __LINE__
-     * @return        void
-     */
-    public static function add_success($msg = null, $file = null, $func = null, $line = null)
-    {
-        self::_add_notice('success', $msg, $file, $func, $line);
-    }
-
-
-    /**
-     *    add attention message
-     *
-     * @param        string $msg  the message to display to users or developers - adding a double pipe || (OR) creates
-     *                            separate messages for user || dev
-     * @param        string $file the file that the error occurred in - just use __FILE__
-     * @param        string $func the function/method that the error occurred in - just use __FUNCTION__
-     * @param        string $line the line number where the error occurred - just use __LINE__
-     * @return        void
-     */
-    public static function add_attention($msg = null, $file = null, $func = null, $line = null)
-    {
-        self::_add_notice('attention', $msg, $file, $func, $line);
-    }
-
-
-    /**
-     * @param string $type whether the message is for a success or error notification
-     * @param string $msg  the message to display to users or developers
-     *                     - adding a double pipe || (OR) creates separate messages for user || dev
-     * @param string $file the file that the error occurred in - just use __FILE__
-     * @param string $func the function/method that the error occurred in - just use __FUNCTION__
-     * @param string $line the line number where the error occurred - just use __LINE__
-     * @return void
-     */
-    private static function _add_notice($type = 'success', $msg = '', $file = '', $func = '', $line = '')
-    {
-        if (empty($msg)) {
-            EE_Error::doing_it_wrong(
-                'EE_Error::add_' . $type . '()',
-                sprintf(
-                    __(
-                        'Notifications are not much use without a message! Please add a message to the EE_Error::add_%s() call made in %s on line %d',
-                        'event_espresso'
-                    ),
-                    $type,
-                    $file,
-                    $line
-                ),
-                EVENT_ESPRESSO_VERSION
-            );
-        }
-        if ($type === 'errors' && (empty($file) || empty($func) || empty($line))) {
-            EE_Error::doing_it_wrong(
-                'EE_Error::add_error()',
-                __(
-                    'You need to provide the file name, function name, and line number that the error occurred on in order to better assist with debugging.',
-                    'event_espresso'
-                ),
-                EVENT_ESPRESSO_VERSION
-            );
-        }
-        // get separate user and developer messages if they exist
-        $msg = explode('||', $msg);
-        $user_msg = $msg[0];
-        $dev_msg = isset($msg[1]) ? $msg[1] : $msg[0];
-        /**
-         * Do an action so other code can be triggered when a notice is created
-         *
-         * @param string $type     can be 'errors', 'attention', or 'success'
-         * @param string $user_msg message displayed to user when WP_DEBUG is off
-         * @param string $user_msg message displayed to user when WP_DEBUG is on
-         * @param string $file     file where error was generated
-         * @param string $func     function where error was generated
-         * @param string $line     line where error was generated
-         */
-        do_action('AHEE__EE_Error___add_notice', $type, $user_msg, $dev_msg, $file, $func, $line);
-        $msg = WP_DEBUG ? $dev_msg : $user_msg;
-        // add notice if message exists
-        if (! empty($msg)) {
-            // get error code
-            $notice_code = EE_Error::generate_error_code($file, $func, $line);
-            if (WP_DEBUG && $type === 'errors') {
-                $msg .= '<br/><span class="tiny-text">' . $notice_code . '</span>';
-            }
-            // add notice. Index by code if it's not blank
-            if ($notice_code) {
-                self::$_espresso_notices[ $type ][ $notice_code ] = $msg;
-            } else {
-                self::$_espresso_notices[ $type ][] = $msg;
-            }
-            add_action('wp_footer', array('EE_Error', 'enqueue_error_scripts'), 1);
-        }
-    }
-
-
-    /**
-     * in some case it may be necessary to overwrite the existing success messages
-     *
-     * @return        void
-     */
-    public static function overwrite_success()
-    {
-        self::$_espresso_notices['success'] = false;
-    }
-
-
-    /**
-     * in some case it may be necessary to overwrite the existing attention messages
-     *
-     * @return void
-     */
-    public static function overwrite_attention()
-    {
-        self::$_espresso_notices['attention'] = false;
-    }
-
-
-    /**
-     * in some case it may be necessary to overwrite the existing error messages
-     *
-     * @return void
-     */
-    public static function overwrite_errors()
-    {
-        self::$_espresso_notices['errors'] = false;
-    }
-
-
-    /**
-     * @return void
-     */
-    public static function reset_notices()
-    {
-        self::$_espresso_notices['success'] = false;
-        self::$_espresso_notices['attention'] = false;
-        self::$_espresso_notices['errors'] = false;
-    }
-
-
-    /**
-     * @return int
-     */
-    public static function has_notices()
-    {
-        $has_notices = 0;
-        // check for success messages
-        $has_notices = self::$_espresso_notices['success'] && ! empty(self::$_espresso_notices['success'])
-            ? 3
-            : $has_notices;
-        // check for attention messages
-        $has_notices = self::$_espresso_notices['attention'] && ! empty(self::$_espresso_notices['attention'])
-            ? 2
-            : $has_notices;
-        // check for error messages
-        $has_notices = self::$_espresso_notices['errors'] && ! empty(self::$_espresso_notices['errors'])
-            ? 1
-            : $has_notices;
-        return $has_notices;
-    }
-
-
-    /**
-     * This simply returns non formatted error notices as they were sent into the EE_Error object.
-     *
-     * @since 4.9.0
-     * @return array
-     */
-    public static function get_vanilla_notices()
-    {
-        return array(
-            'success'   => isset(self::$_espresso_notices['success'])
-                ? self::$_espresso_notices['success']
-                : array(),
-            'attention' => isset(self::$_espresso_notices['attention'])
-                ? self::$_espresso_notices['attention']
-                : array(),
-            'errors'    => isset(self::$_espresso_notices['errors'])
-                ? self::$_espresso_notices['errors']
-                : array(),
-        );
-    }
-
-
-    /**
-     * @return array
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function getStoredNotices()
-    {
-        if ($user_id = get_current_user_id()) {
-            // get notices for logged in user
-            $notices = get_user_option(EE_Error::OPTIONS_KEY_NOTICES, $user_id);
-            return is_array($notices) ? $notices : array();
-        }
-        if (EE_Session::isLoadedAndActive()) {
-            // get notices for user currently engaged in a session
-            $session_data = EE_Session::instance()->get_session_data(EE_Error::OPTIONS_KEY_NOTICES);
-            return is_array($session_data) ? $session_data : array();
-        }
-        // get global notices and hope they apply to the current site visitor
-        $notices = get_option(EE_Error::OPTIONS_KEY_NOTICES, array());
-        return is_array($notices) ? $notices : array();
-    }
-
-
-    /**
-     * @param array $notices
-     * @return bool
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function storeNotices(array $notices)
-    {
-        if ($user_id = get_current_user_id()) {
-            // store notices for logged in user
-            return (bool) update_user_option(
-                $user_id,
-                EE_Error::OPTIONS_KEY_NOTICES,
-                $notices
-            );
-        }
-        if (EE_Session::isLoadedAndActive()) {
-            // store notices for user currently engaged in a session
-            return EE_Session::instance()->set_session_data(
-                array(EE_Error::OPTIONS_KEY_NOTICES => $notices)
-            );
-        }
-        // store global notices and hope they apply to the same site visitor on the next request
-        return update_option(EE_Error::OPTIONS_KEY_NOTICES, $notices);
-    }
-
-
-    /**
-     * @return bool|TRUE
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function clearNotices()
-    {
-        if ($user_id = get_current_user_id()) {
-            // clear notices for logged in user
-            return (bool) update_user_option(
-                $user_id,
-                EE_Error::OPTIONS_KEY_NOTICES,
-                array()
-            );
-        }
-        if (EE_Session::isLoadedAndActive()) {
-            // clear notices for user currently engaged in a session
-            return EE_Session::instance()->reset_data(EE_Error::OPTIONS_KEY_NOTICES);
-        }
-        // clear global notices and hope none belonged to some for some other site visitor
-        return update_option(EE_Error::OPTIONS_KEY_NOTICES, array());
-    }
-
-
-    /**
-     * saves notices to the db for retrieval on next request
-     *
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function stashNoticesBeforeRedirect()
-    {
-        EE_Error::get_notices(false, true);
-    }
-
-
-    /**
-     * compile all error or success messages into one string
-     *
-     * @see EE_Error::get_raw_notices if you want the raw notices without any preparations made to them
-     * @param boolean $format_output            whether or not to format the messages for display in the WP admin
-     * @param boolean $save_to_transient        whether or not to save notices to the db for retrieval on next request
-     *                                          - ONLY do this just before redirecting
-     * @param boolean $remove_empty             whether or not to unset empty messages
-     * @return array
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_notices($format_output = true, $save_to_transient = false, $remove_empty = true)
-    {
-        $success_messages = '';
-        $attention_messages = '';
-        $error_messages = '';
-        // either save notices to the db
-        if ($save_to_transient || isset($_REQUEST['activate-selected'])) {
-            self::$_espresso_notices = array_merge(
-                EE_Error::getStoredNotices(),
-                self::$_espresso_notices
-            );
-            EE_Error::storeNotices(self::$_espresso_notices);
-            return array();
-        }
-        $print_scripts = EE_Error::combineExistingAndNewNotices();
-        // check for success messages
-        if (self::$_espresso_notices['success'] && ! empty(self::$_espresso_notices['success'])) {
-            // combine messages
-            $success_messages .= implode(self::$_espresso_notices['success'], '<br />');
-            $print_scripts = true;
-        }
-        // check for attention messages
-        if (self::$_espresso_notices['attention'] && ! empty(self::$_espresso_notices['attention'])) {
-            // combine messages
-            $attention_messages .= implode(self::$_espresso_notices['attention'], '<br />');
-            $print_scripts = true;
-        }
-        // check for error messages
-        if (self::$_espresso_notices['errors'] && ! empty(self::$_espresso_notices['errors'])) {
-            $error_messages .= count(self::$_espresso_notices['errors']) > 1
-                ? __('The following errors have occurred:<br />', 'event_espresso')
-                : __('An error has occurred:<br />', 'event_espresso');
-            // combine messages
-            $error_messages .= implode(self::$_espresso_notices['errors'], '<br />');
-            $print_scripts = true;
-        }
-        if ($format_output) {
-            $notices = EE_Error::formatNoticesOutput(
-                $success_messages,
-                $attention_messages,
-                $error_messages
-            );
-        } else {
-            $notices = array(
-                'success'   => $success_messages,
-                'attention' => $attention_messages,
-                'errors'    => $error_messages,
-            );
-            if ($remove_empty) {
-                // remove empty notices
-                foreach ($notices as $type => $notice) {
-                    if (empty($notice)) {
-                        unset($notices[ $type ]);
-                    }
-                }
-            }
-        }
-        if ($print_scripts) {
-            self::_print_scripts();
-        }
-        return $notices;
-    }
-
-
-    /**
-     * @return bool
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private static function combineExistingAndNewNotices()
-    {
-        $print_scripts = false;
-        // grab any notices that have been previously saved
-        $notices = EE_Error::getStoredNotices();
-        if (! empty($notices)) {
-            foreach ($notices as $type => $notice) {
-                if (is_array($notice) && ! empty($notice)) {
-                    // make sure that existing notice type is an array
-                    self::$_espresso_notices[ $type ] = is_array(self::$_espresso_notices[ $type ])
-                                                        && ! empty(self::$_espresso_notices[ $type ])
-                        ? self::$_espresso_notices[ $type ]
-                        : array();
-                    // add newly created notices to existing ones
-                    self::$_espresso_notices[ $type ] += $notice;
-                    $print_scripts = true;
-                }
-            }
-            // now clear any stored notices
-            EE_Error::clearNotices();
-        }
-        return $print_scripts;
-    }
-
-
-    /**
-     * @param string $success_messages
-     * @param string $attention_messages
-     * @param string $error_messages
-     * @return string
-     */
-    private static function formatNoticesOutput($success_messages, $attention_messages, $error_messages)
-    {
-        $notices = '<div id="espresso-notices">';
-        $close = is_admin()
-            ? ''
-            : '<a class="close-espresso-notice hide-if-no-js"><span class="dashicons dashicons-no"/></a>';
-        if ($success_messages !== '') {
-            $css_id = is_admin() ? 'ee-success-message' : 'espresso-notices-success';
-            $css_class = is_admin() ? 'updated fade' : 'success fade-away';
-            // showMessage( $success_messages );
-            $notices .= '<div id="' . $css_id . '" '
-                        . 'class="espresso-notices ' . $css_class . '" '
-                        . 'style="display:none;">'
-                        . '<p>' . $success_messages . '</p>'
-                        . $close
-                        . '</div>';
-        }
-        if ($attention_messages !== '') {
-            $css_id = is_admin() ? 'ee-attention-message' : 'espresso-notices-attention';
-            $css_class = is_admin() ? 'updated ee-notices-attention' : 'attention fade-away';
-            // showMessage( $error_messages, TRUE );
-            $notices .= '<div id="' . $css_id . '" '
-                        . 'class="espresso-notices ' . $css_class . '" '
-                        . 'style="display:none;">'
-                        . '<p>' . $attention_messages . '</p>'
-                        . $close
-                        . '</div>';
-        }
-        if ($error_messages !== '') {
-            $css_id = is_admin() ? 'ee-error-message' : 'espresso-notices-error';
-            $css_class = is_admin() ? 'error' : 'error fade-away';
-            // showMessage( $error_messages, TRUE );
-            $notices .= '<div id="' . $css_id . '" '
-                        . 'class="espresso-notices ' . $css_class . '" '
-                        . 'style="display:none;">'
-                        . '<p>' . $error_messages . '</p>'
-                        . $close
-                        . '</div>';
-        }
-        $notices .= '</div>';
-        return $notices;
-    }
-
-
-    /**
-     * _print_scripts
-     *
-     * @param    bool $force_print
-     * @return    string
-     */
-    private static function _print_scripts($force_print = false)
-    {
-        if (! $force_print && (did_action('admin_enqueue_scripts') || did_action('wp_enqueue_scripts'))) {
-            if (wp_script_is('ee_error_js', 'registered')) {
-                wp_enqueue_style('espresso_default');
-                wp_enqueue_style('espresso_custom_css');
-                wp_enqueue_script('ee_error_js');
-            }
-            if (wp_script_is('ee_error_js', 'enqueued')) {
-                wp_localize_script('ee_error_js', 'ee_settings', array('wp_debug' => WP_DEBUG));
-                return '';
-            }
-        } else {
-            return '
+		$output .= self::_print_scripts(true);
+		if (defined('DOING_AJAX')) {
+			echo wp_json_encode(array('error' => $output));
+			exit();
+		}
+		echo $output;
+		die();
+	}
+
+
+	/**
+	 *    generate string from exception trace args
+	 *
+	 * @param array $arguments
+	 * @param bool  $array
+	 * @return string
+	 */
+	private function _convert_args_to_string($arguments = array(), $array = false)
+	{
+		$arg_string = '';
+		if (! empty($arguments)) {
+			$args = array();
+			foreach ($arguments as $arg) {
+				if (! empty($arg)) {
+					if (is_string($arg)) {
+						$args[] = " '" . $arg . "'";
+					} elseif (is_array($arg)) {
+						$args[] = 'ARRAY(' . $this->_convert_args_to_string($arg, true);
+					} elseif ($arg === null) {
+						$args[] = ' NULL';
+					} elseif (is_bool($arg)) {
+						$args[] = ($arg) ? ' TRUE' : ' FALSE';
+					} elseif (is_object($arg)) {
+						$args[] = ' OBJECT ' . get_class($arg);
+					} elseif (is_resource($arg)) {
+						$args[] = get_resource_type($arg);
+					} else {
+						$args[] = $arg;
+					}
+				}
+			}
+			$arg_string = implode(', ', $args);
+		}
+		if ($array) {
+			$arg_string .= ' )';
+		}
+		return $arg_string;
+	}
+
+
+	/**
+	 *    add error message
+	 *
+	 * @param        string $msg  the message to display to users or developers - adding a double pipe || (OR) creates
+	 *                            separate messages for user || dev
+	 * @param        string $file the file that the error occurred in - just use __FILE__
+	 * @param        string $func the function/method that the error occurred in - just use __FUNCTION__
+	 * @param        string $line the line number where the error occurred - just use __LINE__
+	 * @return        void
+	 */
+	public static function add_error($msg = null, $file = null, $func = null, $line = null)
+	{
+		self::_add_notice('errors', $msg, $file, $func, $line);
+		self::$_error_count++;
+	}
+
+
+	/**
+	 * If WP_DEBUG is active, throws an exception. If WP_DEBUG is off, just
+	 * adds an error
+	 *
+	 * @param string $msg
+	 * @param string $file
+	 * @param string $func
+	 * @param string $line
+	 * @throws EE_Error
+	 */
+	public static function throw_exception_if_debugging($msg = null, $file = null, $func = null, $line = null)
+	{
+		if (WP_DEBUG) {
+			throw new EE_Error($msg);
+		}
+		EE_Error::add_error($msg, $file, $func, $line);
+	}
+
+
+	/**
+	 *    add success message
+	 *
+	 * @param        string $msg  the message to display to users or developers - adding a double pipe || (OR) creates
+	 *                            separate messages for user || dev
+	 * @param        string $file the file that the error occurred in - just use __FILE__
+	 * @param        string $func the function/method that the error occurred in - just use __FUNCTION__
+	 * @param        string $line the line number where the error occurred - just use __LINE__
+	 * @return        void
+	 */
+	public static function add_success($msg = null, $file = null, $func = null, $line = null)
+	{
+		self::_add_notice('success', $msg, $file, $func, $line);
+	}
+
+
+	/**
+	 *    add attention message
+	 *
+	 * @param        string $msg  the message to display to users or developers - adding a double pipe || (OR) creates
+	 *                            separate messages for user || dev
+	 * @param        string $file the file that the error occurred in - just use __FILE__
+	 * @param        string $func the function/method that the error occurred in - just use __FUNCTION__
+	 * @param        string $line the line number where the error occurred - just use __LINE__
+	 * @return        void
+	 */
+	public static function add_attention($msg = null, $file = null, $func = null, $line = null)
+	{
+		self::_add_notice('attention', $msg, $file, $func, $line);
+	}
+
+
+	/**
+	 * @param string $type whether the message is for a success or error notification
+	 * @param string $msg  the message to display to users or developers
+	 *                     - adding a double pipe || (OR) creates separate messages for user || dev
+	 * @param string $file the file that the error occurred in - just use __FILE__
+	 * @param string $func the function/method that the error occurred in - just use __FUNCTION__
+	 * @param string $line the line number where the error occurred - just use __LINE__
+	 * @return void
+	 */
+	private static function _add_notice($type = 'success', $msg = '', $file = '', $func = '', $line = '')
+	{
+		if (empty($msg)) {
+			EE_Error::doing_it_wrong(
+				'EE_Error::add_' . $type . '()',
+				sprintf(
+					__(
+						'Notifications are not much use without a message! Please add a message to the EE_Error::add_%s() call made in %s on line %d',
+						'event_espresso'
+					),
+					$type,
+					$file,
+					$line
+				),
+				EVENT_ESPRESSO_VERSION
+			);
+		}
+		if ($type === 'errors' && (empty($file) || empty($func) || empty($line))) {
+			EE_Error::doing_it_wrong(
+				'EE_Error::add_error()',
+				__(
+					'You need to provide the file name, function name, and line number that the error occurred on in order to better assist with debugging.',
+					'event_espresso'
+				),
+				EVENT_ESPRESSO_VERSION
+			);
+		}
+		// get separate user and developer messages if they exist
+		$msg = explode('||', $msg);
+		$user_msg = $msg[0];
+		$dev_msg = isset($msg[1]) ? $msg[1] : $msg[0];
+		/**
+		 * Do an action so other code can be triggered when a notice is created
+		 *
+		 * @param string $type     can be 'errors', 'attention', or 'success'
+		 * @param string $user_msg message displayed to user when WP_DEBUG is off
+		 * @param string $user_msg message displayed to user when WP_DEBUG is on
+		 * @param string $file     file where error was generated
+		 * @param string $func     function where error was generated
+		 * @param string $line     line where error was generated
+		 */
+		do_action('AHEE__EE_Error___add_notice', $type, $user_msg, $dev_msg, $file, $func, $line);
+		$msg = WP_DEBUG ? $dev_msg : $user_msg;
+		// add notice if message exists
+		if (! empty($msg)) {
+			// get error code
+			$notice_code = EE_Error::generate_error_code($file, $func, $line);
+			if (WP_DEBUG && $type === 'errors') {
+				$msg .= '<br/><span class="tiny-text">' . $notice_code . '</span>';
+			}
+			// add notice. Index by code if it's not blank
+			if ($notice_code) {
+				self::$_espresso_notices[ $type ][ $notice_code ] = $msg;
+			} else {
+				self::$_espresso_notices[ $type ][] = $msg;
+			}
+			add_action('wp_footer', array('EE_Error', 'enqueue_error_scripts'), 1);
+		}
+	}
+
+
+	/**
+	 * in some case it may be necessary to overwrite the existing success messages
+	 *
+	 * @return        void
+	 */
+	public static function overwrite_success()
+	{
+		self::$_espresso_notices['success'] = false;
+	}
+
+
+	/**
+	 * in some case it may be necessary to overwrite the existing attention messages
+	 *
+	 * @return void
+	 */
+	public static function overwrite_attention()
+	{
+		self::$_espresso_notices['attention'] = false;
+	}
+
+
+	/**
+	 * in some case it may be necessary to overwrite the existing error messages
+	 *
+	 * @return void
+	 */
+	public static function overwrite_errors()
+	{
+		self::$_espresso_notices['errors'] = false;
+	}
+
+
+	/**
+	 * @return void
+	 */
+	public static function reset_notices()
+	{
+		self::$_espresso_notices['success'] = false;
+		self::$_espresso_notices['attention'] = false;
+		self::$_espresso_notices['errors'] = false;
+	}
+
+
+	/**
+	 * @return int
+	 */
+	public static function has_notices()
+	{
+		$has_notices = 0;
+		// check for success messages
+		$has_notices = self::$_espresso_notices['success'] && ! empty(self::$_espresso_notices['success'])
+			? 3
+			: $has_notices;
+		// check for attention messages
+		$has_notices = self::$_espresso_notices['attention'] && ! empty(self::$_espresso_notices['attention'])
+			? 2
+			: $has_notices;
+		// check for error messages
+		$has_notices = self::$_espresso_notices['errors'] && ! empty(self::$_espresso_notices['errors'])
+			? 1
+			: $has_notices;
+		return $has_notices;
+	}
+
+
+	/**
+	 * This simply returns non formatted error notices as they were sent into the EE_Error object.
+	 *
+	 * @since 4.9.0
+	 * @return array
+	 */
+	public static function get_vanilla_notices()
+	{
+		return array(
+			'success'   => isset(self::$_espresso_notices['success'])
+				? self::$_espresso_notices['success']
+				: array(),
+			'attention' => isset(self::$_espresso_notices['attention'])
+				? self::$_espresso_notices['attention']
+				: array(),
+			'errors'    => isset(self::$_espresso_notices['errors'])
+				? self::$_espresso_notices['errors']
+				: array(),
+		);
+	}
+
+
+	/**
+	 * @return array
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function getStoredNotices()
+	{
+		if ($user_id = get_current_user_id()) {
+			// get notices for logged in user
+			$notices = get_user_option(EE_Error::OPTIONS_KEY_NOTICES, $user_id);
+			return is_array($notices) ? $notices : array();
+		}
+		if (EE_Session::isLoadedAndActive()) {
+			// get notices for user currently engaged in a session
+			$session_data = EE_Session::instance()->get_session_data(EE_Error::OPTIONS_KEY_NOTICES);
+			return is_array($session_data) ? $session_data : array();
+		}
+		// get global notices and hope they apply to the current site visitor
+		$notices = get_option(EE_Error::OPTIONS_KEY_NOTICES, array());
+		return is_array($notices) ? $notices : array();
+	}
+
+
+	/**
+	 * @param array $notices
+	 * @return bool
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function storeNotices(array $notices)
+	{
+		if ($user_id = get_current_user_id()) {
+			// store notices for logged in user
+			return (bool) update_user_option(
+				$user_id,
+				EE_Error::OPTIONS_KEY_NOTICES,
+				$notices
+			);
+		}
+		if (EE_Session::isLoadedAndActive()) {
+			// store notices for user currently engaged in a session
+			return EE_Session::instance()->set_session_data(
+				array(EE_Error::OPTIONS_KEY_NOTICES => $notices)
+			);
+		}
+		// store global notices and hope they apply to the same site visitor on the next request
+		return update_option(EE_Error::OPTIONS_KEY_NOTICES, $notices);
+	}
+
+
+	/**
+	 * @return bool|TRUE
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function clearNotices()
+	{
+		if ($user_id = get_current_user_id()) {
+			// clear notices for logged in user
+			return (bool) update_user_option(
+				$user_id,
+				EE_Error::OPTIONS_KEY_NOTICES,
+				array()
+			);
+		}
+		if (EE_Session::isLoadedAndActive()) {
+			// clear notices for user currently engaged in a session
+			return EE_Session::instance()->reset_data(EE_Error::OPTIONS_KEY_NOTICES);
+		}
+		// clear global notices and hope none belonged to some for some other site visitor
+		return update_option(EE_Error::OPTIONS_KEY_NOTICES, array());
+	}
+
+
+	/**
+	 * saves notices to the db for retrieval on next request
+	 *
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function stashNoticesBeforeRedirect()
+	{
+		EE_Error::get_notices(false, true);
+	}
+
+
+	/**
+	 * compile all error or success messages into one string
+	 *
+	 * @see EE_Error::get_raw_notices if you want the raw notices without any preparations made to them
+	 * @param boolean $format_output            whether or not to format the messages for display in the WP admin
+	 * @param boolean $save_to_transient        whether or not to save notices to the db for retrieval on next request
+	 *                                          - ONLY do this just before redirecting
+	 * @param boolean $remove_empty             whether or not to unset empty messages
+	 * @return array
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_notices($format_output = true, $save_to_transient = false, $remove_empty = true)
+	{
+		$success_messages = '';
+		$attention_messages = '';
+		$error_messages = '';
+		// either save notices to the db
+		if ($save_to_transient || isset($_REQUEST['activate-selected'])) {
+			self::$_espresso_notices = array_merge(
+				EE_Error::getStoredNotices(),
+				self::$_espresso_notices
+			);
+			EE_Error::storeNotices(self::$_espresso_notices);
+			return array();
+		}
+		$print_scripts = EE_Error::combineExistingAndNewNotices();
+		// check for success messages
+		if (self::$_espresso_notices['success'] && ! empty(self::$_espresso_notices['success'])) {
+			// combine messages
+			$success_messages .= implode(self::$_espresso_notices['success'], '<br />');
+			$print_scripts = true;
+		}
+		// check for attention messages
+		if (self::$_espresso_notices['attention'] && ! empty(self::$_espresso_notices['attention'])) {
+			// combine messages
+			$attention_messages .= implode(self::$_espresso_notices['attention'], '<br />');
+			$print_scripts = true;
+		}
+		// check for error messages
+		if (self::$_espresso_notices['errors'] && ! empty(self::$_espresso_notices['errors'])) {
+			$error_messages .= count(self::$_espresso_notices['errors']) > 1
+				? __('The following errors have occurred:<br />', 'event_espresso')
+				: __('An error has occurred:<br />', 'event_espresso');
+			// combine messages
+			$error_messages .= implode(self::$_espresso_notices['errors'], '<br />');
+			$print_scripts = true;
+		}
+		if ($format_output) {
+			$notices = EE_Error::formatNoticesOutput(
+				$success_messages,
+				$attention_messages,
+				$error_messages
+			);
+		} else {
+			$notices = array(
+				'success'   => $success_messages,
+				'attention' => $attention_messages,
+				'errors'    => $error_messages,
+			);
+			if ($remove_empty) {
+				// remove empty notices
+				foreach ($notices as $type => $notice) {
+					if (empty($notice)) {
+						unset($notices[ $type ]);
+					}
+				}
+			}
+		}
+		if ($print_scripts) {
+			self::_print_scripts();
+		}
+		return $notices;
+	}
+
+
+	/**
+	 * @return bool
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private static function combineExistingAndNewNotices()
+	{
+		$print_scripts = false;
+		// grab any notices that have been previously saved
+		$notices = EE_Error::getStoredNotices();
+		if (! empty($notices)) {
+			foreach ($notices as $type => $notice) {
+				if (is_array($notice) && ! empty($notice)) {
+					// make sure that existing notice type is an array
+					self::$_espresso_notices[ $type ] = is_array(self::$_espresso_notices[ $type ])
+														&& ! empty(self::$_espresso_notices[ $type ])
+						? self::$_espresso_notices[ $type ]
+						: array();
+					// add newly created notices to existing ones
+					self::$_espresso_notices[ $type ] += $notice;
+					$print_scripts = true;
+				}
+			}
+			// now clear any stored notices
+			EE_Error::clearNotices();
+		}
+		return $print_scripts;
+	}
+
+
+	/**
+	 * @param string $success_messages
+	 * @param string $attention_messages
+	 * @param string $error_messages
+	 * @return string
+	 */
+	private static function formatNoticesOutput($success_messages, $attention_messages, $error_messages)
+	{
+		$notices = '<div id="espresso-notices">';
+		$close = is_admin()
+			? ''
+			: '<a class="close-espresso-notice hide-if-no-js"><span class="dashicons dashicons-no"/></a>';
+		if ($success_messages !== '') {
+			$css_id = is_admin() ? 'ee-success-message' : 'espresso-notices-success';
+			$css_class = is_admin() ? 'updated fade' : 'success fade-away';
+			// showMessage( $success_messages );
+			$notices .= '<div id="' . $css_id . '" '
+						. 'class="espresso-notices ' . $css_class . '" '
+						. 'style="display:none;">'
+						. '<p>' . $success_messages . '</p>'
+						. $close
+						. '</div>';
+		}
+		if ($attention_messages !== '') {
+			$css_id = is_admin() ? 'ee-attention-message' : 'espresso-notices-attention';
+			$css_class = is_admin() ? 'updated ee-notices-attention' : 'attention fade-away';
+			// showMessage( $error_messages, TRUE );
+			$notices .= '<div id="' . $css_id . '" '
+						. 'class="espresso-notices ' . $css_class . '" '
+						. 'style="display:none;">'
+						. '<p>' . $attention_messages . '</p>'
+						. $close
+						. '</div>';
+		}
+		if ($error_messages !== '') {
+			$css_id = is_admin() ? 'ee-error-message' : 'espresso-notices-error';
+			$css_class = is_admin() ? 'error' : 'error fade-away';
+			// showMessage( $error_messages, TRUE );
+			$notices .= '<div id="' . $css_id . '" '
+						. 'class="espresso-notices ' . $css_class . '" '
+						. 'style="display:none;">'
+						. '<p>' . $error_messages . '</p>'
+						. $close
+						. '</div>';
+		}
+		$notices .= '</div>';
+		return $notices;
+	}
+
+
+	/**
+	 * _print_scripts
+	 *
+	 * @param    bool $force_print
+	 * @return    string
+	 */
+	private static function _print_scripts($force_print = false)
+	{
+		if (! $force_print && (did_action('admin_enqueue_scripts') || did_action('wp_enqueue_scripts'))) {
+			if (wp_script_is('ee_error_js', 'registered')) {
+				wp_enqueue_style('espresso_default');
+				wp_enqueue_style('espresso_custom_css');
+				wp_enqueue_script('ee_error_js');
+			}
+			if (wp_script_is('ee_error_js', 'enqueued')) {
+				wp_localize_script('ee_error_js', 'ee_settings', array('wp_debug' => WP_DEBUG));
+				return '';
+			}
+		} else {
+			return '
 <script>
 /* <![CDATA[ */
 var ee_settings = {"wp_debug":"' . WP_DEBUG . '"};
@@ -1022,221 +1022,221 @@ 
 <script src="' . EE_GLOBAL_ASSETS_URL . 'scripts/espresso_core.js' . '?ver=' . espresso_version() . '" type="text/javascript"></script>
 <script src="' . EE_GLOBAL_ASSETS_URL . 'scripts/EE_Error.js' . '?ver=' . espresso_version() . '" type="text/javascript"></script>
 ';
-        }
-        return '';
-    }
-
-
-    /**
-     * @return void
-     */
-    public static function enqueue_error_scripts()
-    {
-        self::_print_scripts();
-    }
-
-
-    /**
-     * create error code from filepath, function name,
-     * and line number where exception or error was thrown
-     *
-     * @param string $file
-     * @param string $func
-     * @param string $line
-     * @return string
-     */
-    public static function generate_error_code($file = '', $func = '', $line = '')
-    {
-        $file = explode('.', basename($file));
-        $error_code = ! empty($file[0]) ? $file[0] : '';
-        $error_code .= ! empty($func) ? ' - ' . $func : '';
-        $error_code .= ! empty($line) ? ' - ' . $line : '';
-        return $error_code;
-    }
-
-
-    /**
-     * write exception details to log file
-     * Since 4.9.53.rc.006 this writes to the standard PHP log file, not EE's custom log file
-     *
-     * @param int   $time
-     * @param array $ex
-     * @param bool  $clear
-     * @return void
-     */
-    public function write_to_error_log($time = 0, $ex = array(), $clear = false)
-    {
-        if (empty($ex)) {
-            return;
-        }
-        if (! $time) {
-            $time = time();
-        }
-        $exception_log = '----------------------------------------------------------------------------------------'
-                         . PHP_EOL;
-        $exception_log .= '[' . date('Y-m-d H:i:s', $time) . ']  Exception Details' . PHP_EOL;
-        $exception_log .= 'Message: ' . $ex['msg'] . PHP_EOL;
-        $exception_log .= 'Code: ' . $ex['code'] . PHP_EOL;
-        $exception_log .= 'File: ' . $ex['file'] . PHP_EOL;
-        $exception_log .= 'Line No: ' . $ex['line'] . PHP_EOL;
-        $exception_log .= 'Stack trace: ' . PHP_EOL;
-        $exception_log .= $ex['string'] . PHP_EOL;
-        $exception_log .= '----------------------------------------------------------------------------------------'
-                          . PHP_EOL;
-        try {
-            error_log($exception_log);
-        } catch (EE_Error $e) {
-            EE_Error::add_error(
-                sprintf(
-                    __(
-                        'Event Espresso error logging could not be setup because: %s',
-                        'event_espresso'
-                    ),
-                    $e->getMessage()
-                )
-            );
-        }
-    }
-
-
-    /**
-     * This is just a wrapper for the EEH_Debug_Tools::instance()->doing_it_wrong() method.
-     * doing_it_wrong() is used in those cases where a normal PHP error won't get thrown,
-     * but the code execution is done in a manner that could lead to unexpected results
-     * (i.e. running to early, or too late in WP or EE loading process).
-     * A good test for knowing whether to use this method is:
-     * 1. Is there going to be a PHP error if something isn't setup/used correctly?
-     * Yes -> use EE_Error::add_error() or throw new EE_Error()
-     * 2. If this is loaded before something else, it won't break anything,
-     * but just wont' do what its supposed to do? Yes -> use EE_Error::doing_it_wrong()
-     *
-     * @uses   constant WP_DEBUG test if wp_debug is on or not
-     * @param string $function      The function that was called
-     * @param string $message       A message explaining what has been done incorrectly
-     * @param string $version       The version of Event Espresso where the error was added
-     * @param string $applies_when  a version string for when you want the doing_it_wrong notice to begin appearing
-     *                              for a deprecated function. This allows deprecation to occur during one version,
-     *                              but not have any notices appear until a later version. This allows developers
-     *                              extra time to update their code before notices appear.
-     * @param int    $error_type
-     */
-    public static function doing_it_wrong(
-        $function,
-        $message,
-        $version,
-        $applies_when = '',
-        $error_type = null
-    ) {
-        if (defined('WP_DEBUG') && WP_DEBUG) {
-            EEH_Debug_Tools::instance()->doing_it_wrong($function, $message, $version, $applies_when, $error_type);
-        }
-    }
-
-
-    /**
-     * Like get_notices, but returns an array of all the notices of the given type.
-     *
-     * @return array {
-     * @type array $success   all the success messages
-     * @type array $errors    all the error messages
-     * @type array $attention all the attention messages
-     * }
-     */
-    public static function get_raw_notices()
-    {
-        return self::$_espresso_notices;
-    }
-
-
-    /**
-     * @deprecated 4.9.27
-     * @param string $pan_name     the name, or key of the Persistent Admin Notice to be stored
-     * @param string $pan_message  the message to be stored persistently until dismissed
-     * @param bool   $force_update allows one to enforce the reappearance of a persistent message.
-     * @return void
-     * @throws InvalidDataTypeException
-     */
-    public static function add_persistent_admin_notice($pan_name = '', $pan_message, $force_update = false)
-    {
-        new PersistentAdminNotice(
-            $pan_name,
-            $pan_message,
-            $force_update
-        );
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                __('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\domain\entities\notifications\PersistentAdminNotice'
-            ),
-            '4.9.27'
-        );
-    }
-
-
-    /**
-     * @deprecated 4.9.27
-     * @param string $pan_name the name, or key of the Persistent Admin Notice to be dismissed
-     * @param bool   $purge
-     * @param bool   $return
-     * @throws DomainException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     * @throws ServiceNotFoundException
-     * @throws InvalidArgumentException
-     */
-    public static function dismiss_persistent_admin_notice($pan_name = '', $purge = false, $return = false)
-    {
-        /** @var PersistentAdminNoticeManager $persistent_admin_notice_manager */
-        $persistent_admin_notice_manager = LoaderFactory::getLoader()->getShared(
-            'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-        );
-        $persistent_admin_notice_manager->dismissNotice($pan_name, $purge, $return);
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                __('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-            ),
-            '4.9.27'
-        );
-    }
-
-
-    /**
-     * @deprecated 4.9.27
-     * @param  string $pan_name    the name, or key of the Persistent Admin Notice to be stored
-     * @param  string $pan_message the message to be stored persistently until dismissed
-     * @param  string $return_url  URL to go back to after nag notice is dismissed
-     */
-    public static function display_persistent_admin_notices($pan_name = '', $pan_message = '', $return_url = '')
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                __('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-            ),
-            '4.9.27'
-        );
-    }
-
-
-    /**
-     * @deprecated 4.9.27
-     * @param string $return_url
-     */
-    public static function get_persistent_admin_notices($return_url = '')
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            sprintf(
-                __('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
-                '\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
-            ),
-            '4.9.27'
-        );
-    }
+		}
+		return '';
+	}
+
+
+	/**
+	 * @return void
+	 */
+	public static function enqueue_error_scripts()
+	{
+		self::_print_scripts();
+	}
+
+
+	/**
+	 * create error code from filepath, function name,
+	 * and line number where exception or error was thrown
+	 *
+	 * @param string $file
+	 * @param string $func
+	 * @param string $line
+	 * @return string
+	 */
+	public static function generate_error_code($file = '', $func = '', $line = '')
+	{
+		$file = explode('.', basename($file));
+		$error_code = ! empty($file[0]) ? $file[0] : '';
+		$error_code .= ! empty($func) ? ' - ' . $func : '';
+		$error_code .= ! empty($line) ? ' - ' . $line : '';
+		return $error_code;
+	}
+
+
+	/**
+	 * write exception details to log file
+	 * Since 4.9.53.rc.006 this writes to the standard PHP log file, not EE's custom log file
+	 *
+	 * @param int   $time
+	 * @param array $ex
+	 * @param bool  $clear
+	 * @return void
+	 */
+	public function write_to_error_log($time = 0, $ex = array(), $clear = false)
+	{
+		if (empty($ex)) {
+			return;
+		}
+		if (! $time) {
+			$time = time();
+		}
+		$exception_log = '----------------------------------------------------------------------------------------'
+						 . PHP_EOL;
+		$exception_log .= '[' . date('Y-m-d H:i:s', $time) . ']  Exception Details' . PHP_EOL;
+		$exception_log .= 'Message: ' . $ex['msg'] . PHP_EOL;
+		$exception_log .= 'Code: ' . $ex['code'] . PHP_EOL;
+		$exception_log .= 'File: ' . $ex['file'] . PHP_EOL;
+		$exception_log .= 'Line No: ' . $ex['line'] . PHP_EOL;
+		$exception_log .= 'Stack trace: ' . PHP_EOL;
+		$exception_log .= $ex['string'] . PHP_EOL;
+		$exception_log .= '----------------------------------------------------------------------------------------'
+						  . PHP_EOL;
+		try {
+			error_log($exception_log);
+		} catch (EE_Error $e) {
+			EE_Error::add_error(
+				sprintf(
+					__(
+						'Event Espresso error logging could not be setup because: %s',
+						'event_espresso'
+					),
+					$e->getMessage()
+				)
+			);
+		}
+	}
+
+
+	/**
+	 * This is just a wrapper for the EEH_Debug_Tools::instance()->doing_it_wrong() method.
+	 * doing_it_wrong() is used in those cases where a normal PHP error won't get thrown,
+	 * but the code execution is done in a manner that could lead to unexpected results
+	 * (i.e. running to early, or too late in WP or EE loading process).
+	 * A good test for knowing whether to use this method is:
+	 * 1. Is there going to be a PHP error if something isn't setup/used correctly?
+	 * Yes -> use EE_Error::add_error() or throw new EE_Error()
+	 * 2. If this is loaded before something else, it won't break anything,
+	 * but just wont' do what its supposed to do? Yes -> use EE_Error::doing_it_wrong()
+	 *
+	 * @uses   constant WP_DEBUG test if wp_debug is on or not
+	 * @param string $function      The function that was called
+	 * @param string $message       A message explaining what has been done incorrectly
+	 * @param string $version       The version of Event Espresso where the error was added
+	 * @param string $applies_when  a version string for when you want the doing_it_wrong notice to begin appearing
+	 *                              for a deprecated function. This allows deprecation to occur during one version,
+	 *                              but not have any notices appear until a later version. This allows developers
+	 *                              extra time to update their code before notices appear.
+	 * @param int    $error_type
+	 */
+	public static function doing_it_wrong(
+		$function,
+		$message,
+		$version,
+		$applies_when = '',
+		$error_type = null
+	) {
+		if (defined('WP_DEBUG') && WP_DEBUG) {
+			EEH_Debug_Tools::instance()->doing_it_wrong($function, $message, $version, $applies_when, $error_type);
+		}
+	}
+
+
+	/**
+	 * Like get_notices, but returns an array of all the notices of the given type.
+	 *
+	 * @return array {
+	 * @type array $success   all the success messages
+	 * @type array $errors    all the error messages
+	 * @type array $attention all the attention messages
+	 * }
+	 */
+	public static function get_raw_notices()
+	{
+		return self::$_espresso_notices;
+	}
+
+
+	/**
+	 * @deprecated 4.9.27
+	 * @param string $pan_name     the name, or key of the Persistent Admin Notice to be stored
+	 * @param string $pan_message  the message to be stored persistently until dismissed
+	 * @param bool   $force_update allows one to enforce the reappearance of a persistent message.
+	 * @return void
+	 * @throws InvalidDataTypeException
+	 */
+	public static function add_persistent_admin_notice($pan_name = '', $pan_message, $force_update = false)
+	{
+		new PersistentAdminNotice(
+			$pan_name,
+			$pan_message,
+			$force_update
+		);
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\domain\entities\notifications\PersistentAdminNotice'
+			),
+			'4.9.27'
+		);
+	}
+
+
+	/**
+	 * @deprecated 4.9.27
+	 * @param string $pan_name the name, or key of the Persistent Admin Notice to be dismissed
+	 * @param bool   $purge
+	 * @param bool   $return
+	 * @throws DomainException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 * @throws ServiceNotFoundException
+	 * @throws InvalidArgumentException
+	 */
+	public static function dismiss_persistent_admin_notice($pan_name = '', $purge = false, $return = false)
+	{
+		/** @var PersistentAdminNoticeManager $persistent_admin_notice_manager */
+		$persistent_admin_notice_manager = LoaderFactory::getLoader()->getShared(
+			'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+		);
+		$persistent_admin_notice_manager->dismissNotice($pan_name, $purge, $return);
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+			),
+			'4.9.27'
+		);
+	}
+
+
+	/**
+	 * @deprecated 4.9.27
+	 * @param  string $pan_name    the name, or key of the Persistent Admin Notice to be stored
+	 * @param  string $pan_message the message to be stored persistently until dismissed
+	 * @param  string $return_url  URL to go back to after nag notice is dismissed
+	 */
+	public static function display_persistent_admin_notices($pan_name = '', $pan_message = '', $return_url = '')
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+			),
+			'4.9.27'
+		);
+	}
+
+
+	/**
+	 * @deprecated 4.9.27
+	 * @param string $return_url
+	 */
+	public static function get_persistent_admin_notices($return_url = '')
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			sprintf(
+				__('Usage is deprecated. Use "%1$s" instead.', 'event_espresso'),
+				'\EventEspresso\core\services\notifications\PersistentAdminNoticeManager'
+			),
+			'4.9.27'
+		);
+	}
 }
 
 // end of Class EE_Exceptions
@@ -1249,27 +1249,27 @@ 
  */
 function espresso_error_enqueue_scripts()
 {
-    // js for error handling
-    wp_register_script(
-        'espresso_core',
-        EE_GLOBAL_ASSETS_URL . 'scripts/espresso_core.js',
-        array('jquery'),
-        EVENT_ESPRESSO_VERSION,
-        false
-    );
-    wp_register_script(
-        'ee_error_js',
-        EE_GLOBAL_ASSETS_URL . 'scripts/EE_Error.js',
-        array('espresso_core'),
-        EVENT_ESPRESSO_VERSION,
-        false
-    );
+	// js for error handling
+	wp_register_script(
+		'espresso_core',
+		EE_GLOBAL_ASSETS_URL . 'scripts/espresso_core.js',
+		array('jquery'),
+		EVENT_ESPRESSO_VERSION,
+		false
+	);
+	wp_register_script(
+		'ee_error_js',
+		EE_GLOBAL_ASSETS_URL . 'scripts/EE_Error.js',
+		array('espresso_core'),
+		EVENT_ESPRESSO_VERSION,
+		false
+	);
 }
 
 if (is_admin()) {
-    add_action('admin_enqueue_scripts', 'espresso_error_enqueue_scripts', 5);
+	add_action('admin_enqueue_scripts', 'espresso_error_enqueue_scripts', 5);
 } else {
-    add_action('wp_enqueue_scripts', 'espresso_error_enqueue_scripts', 5);
+	add_action('wp_enqueue_scripts', 'espresso_error_enqueue_scripts', 5);
 }
 
 

Spacing +64 added lines, -64 removed lines

@@ -99,14 +99,14 @@ 
             default:
                 $to = get_option('admin_email');
         }
-        $subject = $type . ' ' . $message . ' in ' . EVENT_ESPRESSO_VERSION . ' on ' . site_url();
+        $subject = $type.' '.$message.' in '.EVENT_ESPRESSO_VERSION.' on '.site_url();
         $msg = EE_Error::_format_error($type, $message, $file, $line);
         if (function_exists('wp_mail')) {
             add_filter('wp_mail_content_type', array('EE_Error', 'set_content_type'));
             wp_mail($to, $subject, $msg);
         }
         echo '<div id="message" class="espresso-notices error"><p>';
-        echo $type . ': ' . $message . '<br />' . $file . ' line ' . $line;
+        echo $type.': '.$message.'<br />'.$file.' line '.$line;
         echo '<br /></p></div>';
     }
 
@@ -222,13 +222,13 @@ 
         $msg = WP_DEBUG ? $dev_msg : $user_msg;
         // add details to _all_exceptions array
         $x_time = time();
-        self::$_all_exceptions[ $x_time ]['name'] = get_class($this);
-        self::$_all_exceptions[ $x_time ]['file'] = $this->getFile();
-        self::$_all_exceptions[ $x_time ]['line'] = $this->getLine();
-        self::$_all_exceptions[ $x_time ]['msg'] = $msg;
-        self::$_all_exceptions[ $x_time ]['code'] = $this->getCode();
-        self::$_all_exceptions[ $x_time ]['trace'] = $this->getTrace();
-        self::$_all_exceptions[ $x_time ]['string'] = $this->getTraceAsString();
+        self::$_all_exceptions[$x_time]['name'] = get_class($this);
+        self::$_all_exceptions[$x_time]['file'] = $this->getFile();
+        self::$_all_exceptions[$x_time]['line'] = $this->getLine();
+        self::$_all_exceptions[$x_time]['msg'] = $msg;
+        self::$_all_exceptions[$x_time]['code'] = $this->getCode();
+        self::$_all_exceptions[$x_time]['trace'] = $this->getTrace();
+        self::$_all_exceptions[$x_time]['string'] = $this->getTraceAsString();
         self::$_error_count++;
         // add_action( 'shutdown', array( $this, 'display_errors' ));
         $this->display_errors();
@@ -246,8 +246,8 @@ 
      */
     public static function has_error($check_stored = false, $type_to_check = 'errors')
     {
-        $has_error = isset(self::$_espresso_notices[ $type_to_check ])
-                     && ! empty(self::$_espresso_notices[ $type_to_check ])
+        $has_error = isset(self::$_espresso_notices[$type_to_check])
+                     && ! empty(self::$_espresso_notices[$type_to_check])
             ? true
             : false;
         if ($check_stored && ! $has_error) {
@@ -325,7 +325,7 @@ 
 	}
 </style>
 <div id="ee-error-message" class="error">';
-        if (! WP_DEBUG) {
+        if ( ! WP_DEBUG) {
             $output .= '
 	<p>';
         }
@@ -384,14 +384,14 @@ 
                     $class_dsply = ! empty($class) ? $class : '&nbsp;';
                     $type_dsply = ! empty($type) ? $type : '&nbsp;';
                     $function_dsply = ! empty($function) ? $function : '&nbsp;';
-                    $args_dsply = ! empty($args) ? '( ' . $args . ' )' : '';
+                    $args_dsply = ! empty($args) ? '( '.$args.' )' : '';
                     $trace_details .= '
 					<tr>
-						<td align="right" class="' . $zebra . '">' . $nmbr_dsply . '</td>
-						<td align="right" class="' . $zebra . '">' . $line_dsply . '</td>
-						<td align="left" class="' . $zebra . '">' . $file_dsply . '</td>
-						<td align="left" class="' . $zebra . '">' . $class_dsply . '</td>
-						<td align="left" class="' . $zebra . '">' . $type_dsply . $function_dsply . $args_dsply . '</td>
+						<td align="right" class="' . $zebra.'">'.$nmbr_dsply.'</td>
+						<td align="right" class="' . $zebra.'">'.$line_dsply.'</td>
+						<td align="left" class="' . $zebra.'">'.$file_dsply.'</td>
+						<td align="left" class="' . $zebra.'">'.$class_dsply.'</td>
+						<td align="left" class="' . $zebra.'">'.$type_dsply.$function_dsply.$args_dsply.'</td>
 					</tr>';
                 }
                 $trace_details .= '
@@ -400,7 +400,7 @@ 
             }
             $ex['code'] = $ex['code'] ? $ex['code'] : $error_code;
             // add generic non-identifying messages for non-privileged users
-            if (! WP_DEBUG) {
+            if ( ! WP_DEBUG) {
                 $output .= '<span class="ee-error-user-msg-spn">'
                            . trim($ex['msg'])
                            . '</span> &nbsp; <sup>'
@@ -442,14 +442,14 @@ 
                            . '-dv" class="ee-error-trace-dv" style="display: none;">
 				'
                            . $trace_details;
-                if (! empty($class)) {
+                if ( ! empty($class)) {
                     $output .= '
 				<div style="padding:3px; margin:0 0 1em; border:1px solid #666; background:#fff; border-radius:3px;">
 					<div style="padding:1em 2em; border:1px solid #666; background:#f9f9f9;">
 						<h3>Class Details</h3>';
                     $a = new ReflectionClass($class);
                     $output .= '
-						<pre>' . $a . '</pre>
+						<pre>' . $a.'</pre>
 					</div>
 				</div>';
                 }
@@ -462,7 +462,7 @@ 
         }
         // remove last linebreak
         $output = substr($output, 0, -6);
-        if (! WP_DEBUG) {
+        if ( ! WP_DEBUG) {
             $output .= '
 	</p>';
         }
@@ -488,20 +488,20 @@ 
     private function _convert_args_to_string($arguments = array(), $array = false)
     {
         $arg_string = '';
-        if (! empty($arguments)) {
+        if ( ! empty($arguments)) {
             $args = array();
             foreach ($arguments as $arg) {
-                if (! empty($arg)) {
+                if ( ! empty($arg)) {
                     if (is_string($arg)) {
-                        $args[] = " '" . $arg . "'";
+                        $args[] = " '".$arg."'";
                     } elseif (is_array($arg)) {
-                        $args[] = 'ARRAY(' . $this->_convert_args_to_string($arg, true);
+                        $args[] = 'ARRAY('.$this->_convert_args_to_string($arg, true);
                     } elseif ($arg === null) {
                         $args[] = ' NULL';
                     } elseif (is_bool($arg)) {
                         $args[] = ($arg) ? ' TRUE' : ' FALSE';
                     } elseif (is_object($arg)) {
-                        $args[] = ' OBJECT ' . get_class($arg);
+                        $args[] = ' OBJECT '.get_class($arg);
                     } elseif (is_resource($arg)) {
                         $args[] = get_resource_type($arg);
                     } else {
@@ -599,7 +599,7 @@ 
     {
         if (empty($msg)) {
             EE_Error::doing_it_wrong(
-                'EE_Error::add_' . $type . '()',
+                'EE_Error::add_'.$type.'()',
                 sprintf(
                     __(
                         'Notifications are not much use without a message! Please add a message to the EE_Error::add_%s() call made in %s on line %d',
@@ -639,17 +639,17 @@ 
         do_action('AHEE__EE_Error___add_notice', $type, $user_msg, $dev_msg, $file, $func, $line);
         $msg = WP_DEBUG ? $dev_msg : $user_msg;
         // add notice if message exists
-        if (! empty($msg)) {
+        if ( ! empty($msg)) {
             // get error code
             $notice_code = EE_Error::generate_error_code($file, $func, $line);
             if (WP_DEBUG && $type === 'errors') {
-                $msg .= '<br/><span class="tiny-text">' . $notice_code . '</span>';
+                $msg .= '<br/><span class="tiny-text">'.$notice_code.'</span>';
             }
             // add notice. Index by code if it's not blank
             if ($notice_code) {
-                self::$_espresso_notices[ $type ][ $notice_code ] = $msg;
+                self::$_espresso_notices[$type][$notice_code] = $msg;
             } else {
-                self::$_espresso_notices[ $type ][] = $msg;
+                self::$_espresso_notices[$type][] = $msg;
             }
             add_action('wp_footer', array('EE_Error', 'enqueue_error_scripts'), 1);
         }
@@ -900,7 +900,7 @@ 
                 // remove empty notices
                 foreach ($notices as $type => $notice) {
                     if (empty($notice)) {
-                        unset($notices[ $type ]);
+                        unset($notices[$type]);
                     }
                 }
             }
@@ -923,16 +923,16 @@ 
         $print_scripts = false;
         // grab any notices that have been previously saved
         $notices = EE_Error::getStoredNotices();
-        if (! empty($notices)) {
+        if ( ! empty($notices)) {
             foreach ($notices as $type => $notice) {
                 if (is_array($notice) && ! empty($notice)) {
                     // make sure that existing notice type is an array
-                    self::$_espresso_notices[ $type ] = is_array(self::$_espresso_notices[ $type ])
-                                                        && ! empty(self::$_espresso_notices[ $type ])
-                        ? self::$_espresso_notices[ $type ]
+                    self::$_espresso_notices[$type] = is_array(self::$_espresso_notices[$type])
+                                                        && ! empty(self::$_espresso_notices[$type])
+                        ? self::$_espresso_notices[$type]
                         : array();
                     // add newly created notices to existing ones
-                    self::$_espresso_notices[ $type ] += $notice;
+                    self::$_espresso_notices[$type] += $notice;
                     $print_scripts = true;
                 }
             }
@@ -959,10 +959,10 @@ 
             $css_id = is_admin() ? 'ee-success-message' : 'espresso-notices-success';
             $css_class = is_admin() ? 'updated fade' : 'success fade-away';
             // showMessage( $success_messages );
-            $notices .= '<div id="' . $css_id . '" '
-                        . 'class="espresso-notices ' . $css_class . '" '
+            $notices .= '<div id="'.$css_id.'" '
+                        . 'class="espresso-notices '.$css_class.'" '
                         . 'style="display:none;">'
-                        . '<p>' . $success_messages . '</p>'
+                        . '<p>'.$success_messages.'</p>'
                         . $close
                         . '</div>';
         }
@@ -970,10 +970,10 @@ 
             $css_id = is_admin() ? 'ee-attention-message' : 'espresso-notices-attention';
             $css_class = is_admin() ? 'updated ee-notices-attention' : 'attention fade-away';
             // showMessage( $error_messages, TRUE );
-            $notices .= '<div id="' . $css_id . '" '
-                        . 'class="espresso-notices ' . $css_class . '" '
+            $notices .= '<div id="'.$css_id.'" '
+                        . 'class="espresso-notices '.$css_class.'" '
                         . 'style="display:none;">'
-                        . '<p>' . $attention_messages . '</p>'
+                        . '<p>'.$attention_messages.'</p>'
                         . $close
                         . '</div>';
         }
@@ -981,10 +981,10 @@ 
             $css_id = is_admin() ? 'ee-error-message' : 'espresso-notices-error';
             $css_class = is_admin() ? 'error' : 'error fade-away';
             // showMessage( $error_messages, TRUE );
-            $notices .= '<div id="' . $css_id . '" '
-                        . 'class="espresso-notices ' . $css_class . '" '
+            $notices .= '<div id="'.$css_id.'" '
+                        . 'class="espresso-notices '.$css_class.'" '
                         . 'style="display:none;">'
-                        . '<p>' . $error_messages . '</p>'
+                        . '<p>'.$error_messages.'</p>'
                         . $close
                         . '</div>';
         }
@@ -1001,7 +1001,7 @@ 
      */
     private static function _print_scripts($force_print = false)
     {
-        if (! $force_print && (did_action('admin_enqueue_scripts') || did_action('wp_enqueue_scripts'))) {
+        if ( ! $force_print && (did_action('admin_enqueue_scripts') || did_action('wp_enqueue_scripts'))) {
             if (wp_script_is('ee_error_js', 'registered')) {
                 wp_enqueue_style('espresso_default');
                 wp_enqueue_style('espresso_custom_css');
@@ -1015,12 +1015,12 @@ 
             return '
 <script>
 /* <![CDATA[ */
-var ee_settings = {"wp_debug":"' . WP_DEBUG . '"};
+var ee_settings = {"wp_debug":"' . WP_DEBUG.'"};
 /* ]]> */
 </script>
-<script src="' . includes_url() . 'js/jquery/jquery.js" type="text/javascript"></script>
-<script src="' . EE_GLOBAL_ASSETS_URL . 'scripts/espresso_core.js' . '?ver=' . espresso_version() . '" type="text/javascript"></script>
-<script src="' . EE_GLOBAL_ASSETS_URL . 'scripts/EE_Error.js' . '?ver=' . espresso_version() . '" type="text/javascript"></script>
+<script src="' . includes_url().'js/jquery/jquery.js" type="text/javascript"></script>
+<script src="' . EE_GLOBAL_ASSETS_URL.'scripts/espresso_core.js'.'?ver='.espresso_version().'" type="text/javascript"></script>
+<script src="' . EE_GLOBAL_ASSETS_URL.'scripts/EE_Error.js'.'?ver='.espresso_version().'" type="text/javascript"></script>
 ';
         }
         return '';
@@ -1049,8 +1049,8 @@ 
     {
         $file = explode('.', basename($file));
         $error_code = ! empty($file[0]) ? $file[0] : '';
-        $error_code .= ! empty($func) ? ' - ' . $func : '';
-        $error_code .= ! empty($line) ? ' - ' . $line : '';
+        $error_code .= ! empty($func) ? ' - '.$func : '';
+        $error_code .= ! empty($line) ? ' - '.$line : '';
         return $error_code;
     }
 
@@ -1069,18 +1069,18 @@ 
         if (empty($ex)) {
             return;
         }
-        if (! $time) {
+        if ( ! $time) {
             $time = time();
         }
         $exception_log = '----------------------------------------------------------------------------------------'
                          . PHP_EOL;
-        $exception_log .= '[' . date('Y-m-d H:i:s', $time) . ']  Exception Details' . PHP_EOL;
-        $exception_log .= 'Message: ' . $ex['msg'] . PHP_EOL;
-        $exception_log .= 'Code: ' . $ex['code'] . PHP_EOL;
-        $exception_log .= 'File: ' . $ex['file'] . PHP_EOL;
-        $exception_log .= 'Line No: ' . $ex['line'] . PHP_EOL;
-        $exception_log .= 'Stack trace: ' . PHP_EOL;
-        $exception_log .= $ex['string'] . PHP_EOL;
+        $exception_log .= '['.date('Y-m-d H:i:s', $time).']  Exception Details'.PHP_EOL;
+        $exception_log .= 'Message: '.$ex['msg'].PHP_EOL;
+        $exception_log .= 'Code: '.$ex['code'].PHP_EOL;
+        $exception_log .= 'File: '.$ex['file'].PHP_EOL;
+        $exception_log .= 'Line No: '.$ex['line'].PHP_EOL;
+        $exception_log .= 'Stack trace: '.PHP_EOL;
+        $exception_log .= $ex['string'].PHP_EOL;
         $exception_log .= '----------------------------------------------------------------------------------------'
                           . PHP_EOL;
         try {
@@ -1252,14 +1252,14 @@ 
     // js for error handling
     wp_register_script(
         'espresso_core',
-        EE_GLOBAL_ASSETS_URL . 'scripts/espresso_core.js',
+        EE_GLOBAL_ASSETS_URL.'scripts/espresso_core.js',
         array('jquery'),
         EVENT_ESPRESSO_VERSION,
         false
     );
     wp_register_script(
         'ee_error_js',
-        EE_GLOBAL_ASSETS_URL . 'scripts/EE_Error.js',
+        EE_GLOBAL_ASSETS_URL.'scripts/EE_Error.js',
         array('espresso_core'),
         EVENT_ESPRESSO_VERSION,
         false

espresso.php

Indentation +80 added lines, -80 removed lines

@@ -38,103 +38,103 @@
  * @since           4.0
  */
 if (function_exists('espresso_version')) {
-    if (! function_exists('espresso_duplicate_plugin_error')) {
-        /**
-         *    espresso_duplicate_plugin_error
-         *    displays if more than one version of EE is activated at the same time
-         */
-        function espresso_duplicate_plugin_error()
-        {
-            ?>
+	if (! function_exists('espresso_duplicate_plugin_error')) {
+		/**
+		 *    espresso_duplicate_plugin_error
+		 *    displays if more than one version of EE is activated at the same time
+		 */
+		function espresso_duplicate_plugin_error()
+		{
+			?>
             <div class="error">
                 <p>
                     <?php
-                    echo esc_html__(
-                        'Can not run multiple versions of Event Espresso! One version has been automatically deactivated. Please verify that you have the correct version you want still active.',
-                        'event_espresso'
-                    ); ?>
+					echo esc_html__(
+						'Can not run multiple versions of Event Espresso! One version has been automatically deactivated. Please verify that you have the correct version you want still active.',
+						'event_espresso'
+					); ?>
                 </p>
             </div>
             <?php
-            espresso_deactivate_plugin(plugin_basename(__FILE__));
-        }
-    }
-    add_action('admin_notices', 'espresso_duplicate_plugin_error', 1);
+			espresso_deactivate_plugin(plugin_basename(__FILE__));
+		}
+	}
+	add_action('admin_notices', 'espresso_duplicate_plugin_error', 1);
 } else {
-    define('EE_MIN_PHP_VER_REQUIRED', '5.4.0');
-    if (! version_compare(PHP_VERSION, EE_MIN_PHP_VER_REQUIRED, '>=')) {
-        /**
-         * espresso_minimum_php_version_error
-         *
-         * @return void
-         */
-        function espresso_minimum_php_version_error()
-        {
-            ?>
+	define('EE_MIN_PHP_VER_REQUIRED', '5.4.0');
+	if (! version_compare(PHP_VERSION, EE_MIN_PHP_VER_REQUIRED, '>=')) {
+		/**
+		 * espresso_minimum_php_version_error
+		 *
+		 * @return void
+		 */
+		function espresso_minimum_php_version_error()
+		{
+			?>
             <div class="error">
                 <p>
                     <?php
-                    printf(
-                        esc_html__(
-                            'We\'re sorry, but Event Espresso requires PHP version %1$s or greater in order to operate. You are currently running version %2$s.%3$sIn order to update your version of PHP, you will need to contact your current hosting provider.%3$sFor information on stable PHP versions, please go to %4$s.',
-                            'event_espresso'
-                        ),
-                        EE_MIN_PHP_VER_REQUIRED,
-                        PHP_VERSION,
-                        '<br/>',
-                        '<a href="http://php.net/downloads.php">http://php.net/downloads.php</a>'
-                    );
-                    ?>
+					printf(
+						esc_html__(
+							'We\'re sorry, but Event Espresso requires PHP version %1$s or greater in order to operate. You are currently running version %2$s.%3$sIn order to update your version of PHP, you will need to contact your current hosting provider.%3$sFor information on stable PHP versions, please go to %4$s.',
+							'event_espresso'
+						),
+						EE_MIN_PHP_VER_REQUIRED,
+						PHP_VERSION,
+						'<br/>',
+						'<a href="http://php.net/downloads.php">http://php.net/downloads.php</a>'
+					);
+					?>
                 </p>
             </div>
             <?php
-            espresso_deactivate_plugin(plugin_basename(__FILE__));
-        }
+			espresso_deactivate_plugin(plugin_basename(__FILE__));
+		}
 
-        add_action('admin_notices', 'espresso_minimum_php_version_error', 1);
-    } else {
-        define('EVENT_ESPRESSO_MAIN_FILE', __FILE__);
-        /**
-         * espresso_version
-         * Returns the plugin version
-         *
-         * @return string
-         */
-        function espresso_version()
-        {
-            return apply_filters('FHEE__espresso__espresso_version', '4.9.66.rc.004');
-        }
+		add_action('admin_notices', 'espresso_minimum_php_version_error', 1);
+	} else {
+		define('EVENT_ESPRESSO_MAIN_FILE', __FILE__);
+		/**
+		 * espresso_version
+		 * Returns the plugin version
+		 *
+		 * @return string
+		 */
+		function espresso_version()
+		{
+			return apply_filters('FHEE__espresso__espresso_version', '4.9.66.rc.004');
+		}
 
-        /**
-         * espresso_plugin_activation
-         * adds a wp-option to indicate that EE has been activated via the WP admin plugins page
-         */
-        function espresso_plugin_activation()
-        {
-            update_option('ee_espresso_activation', true);
-        }
+		/**
+		 * espresso_plugin_activation
+		 * adds a wp-option to indicate that EE has been activated via the WP admin plugins page
+		 */
+		function espresso_plugin_activation()
+		{
+			update_option('ee_espresso_activation', true);
+		}
 
-        register_activation_hook(EVENT_ESPRESSO_MAIN_FILE, 'espresso_plugin_activation');
+		register_activation_hook(EVENT_ESPRESSO_MAIN_FILE, 'espresso_plugin_activation');
 
-        require_once __DIR__ . '/core/bootstrap_espresso.php';
-        bootstrap_espresso();
-    }
+		require_once __DIR__ . '/core/bootstrap_espresso.php';
+		bootstrap_espresso();
+	}
 }
 if (! function_exists('espresso_deactivate_plugin')) {
-    /**
-     *    deactivate_plugin
-     * usage:  espresso_deactivate_plugin( plugin_basename( __FILE__ ));
-     *
-     * @access public
-     * @param string $plugin_basename - the results of plugin_basename( __FILE__ ) for the plugin's main file
-     * @return    void
-     */
-    function espresso_deactivate_plugin($plugin_basename = '')
-    {
-        if (! function_exists('deactivate_plugins')) {
-            require_once ABSPATH . 'wp-admin/includes/plugin.php';
-        }
-        unset($_GET['activate'], $_REQUEST['activate']);
-        deactivate_plugins($plugin_basename);
-    }
+	/**
+	 *    deactivate_plugin
+	 * usage:  espresso_deactivate_plugin( plugin_basename( __FILE__ ));
+	 *
+	 * @access public
+	 * @param string $plugin_basename - the results of plugin_basename( __FILE__ ) for the plugin's main file
+	 * @return    void
+	 */
+	function espresso_deactivate_plugin($plugin_basename = '')
+	{
+		if (! function_exists('deactivate_plugins')) {
+			require_once ABSPATH . 'wp-admin/includes/plugin.php';
+		}
+		unset($_GET['activate'], $_REQUEST['activate']);
+		deactivate_plugins($plugin_basename);
+	}
 }