eventespresso / event-espresso-core

core/db_models/fields/EE_Money_Field.php

Indentation +78 added lines, -78 removed lines

@@ -7,92 +7,92 @@
 class EE_Money_Field extends EE_Float_Field
 {
 
-    /**
-     * @param string $table_column
-     * @param string $nicename
-     * @param bool   $nullable
-     * @param null   $default_value
-     */
-    public function __construct($table_column, $nicename, $nullable, $default_value = null)
-    {
-        parent::__construct($table_column, $nicename, $nullable, $default_value);
-        $this->setSchemaType('object');
-    }
+	/**
+	 * @param string $table_column
+	 * @param string $nicename
+	 * @param bool   $nullable
+	 * @param null   $default_value
+	 */
+	public function __construct($table_column, $nicename, $nullable, $default_value = null)
+	{
+		parent::__construct($table_column, $nicename, $nullable, $default_value);
+		$this->setSchemaType('object');
+	}
 
 
-    /**
-     * Schemas:
-     *    'localized_float': "3,023.00"
-     *    'no_currency_code': "$3,023.00"
-     *    null: "$3,023.00<span>USD</span>"
-     *
-     * @param string $value_on_field_to_be_outputted
-     * @param string $schema
-     * @return string
-     */
-    public function prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema = null)
-    {
-        $pretty_float = parent::prepare_for_pretty_echoing($value_on_field_to_be_outputted);
+	/**
+	 * Schemas:
+	 *    'localized_float': "3,023.00"
+	 *    'no_currency_code': "$3,023.00"
+	 *    null: "$3,023.00<span>USD</span>"
+	 *
+	 * @param string $value_on_field_to_be_outputted
+	 * @param string $schema
+	 * @return string
+	 */
+	public function prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema = null)
+	{
+		$pretty_float = parent::prepare_for_pretty_echoing($value_on_field_to_be_outputted);
 
-        if ($schema == 'localized_float') {
-            return $pretty_float;
-        }
-        if ($schema == 'no_currency_code') {
+		if ($schema == 'localized_float') {
+			return $pretty_float;
+		}
+		if ($schema == 'no_currency_code') {
 //          echo "schema no currency!";
-            $display_code = false;
-        } else {
-            $display_code = true;
-        }
-        // we don't use the $pretty_float because format_currency will take care of it.
-        return EEH_Template::format_currency($value_on_field_to_be_outputted, false, $display_code);
-    }
+			$display_code = false;
+		} else {
+			$display_code = true;
+		}
+		// we don't use the $pretty_float because format_currency will take care of it.
+		return EEH_Template::format_currency($value_on_field_to_be_outputted, false, $display_code);
+	}
 
-    /**
-     * If provided with a string, strips out money-related formatting to turn it into a proper float.
-     * Rounds the float to the correct number of decimal places for this country's currency.
-     * Also, interprets periods and commas according to the country's currency settings.
-     * So if you want to pass in a string that NEEDS to interpret periods as decimal marks, call floatval() on it first.
-     *
-     * @param string $value_inputted_for_field_on_model_object
-     * @return float
-     */
-    public function prepare_for_set($value_inputted_for_field_on_model_object)
-    {
-        // remove any currencies etc.
+	/**
+	 * If provided with a string, strips out money-related formatting to turn it into a proper float.
+	 * Rounds the float to the correct number of decimal places for this country's currency.
+	 * Also, interprets periods and commas according to the country's currency settings.
+	 * So if you want to pass in a string that NEEDS to interpret periods as decimal marks, call floatval() on it first.
+	 *
+	 * @param string $value_inputted_for_field_on_model_object
+	 * @return float
+	 */
+	public function prepare_for_set($value_inputted_for_field_on_model_object)
+	{
+		// remove any currencies etc.
 //      if(is_string($value_inputted_for_field_on_model_object)){
 //          $value_inputted_for_field_on_model_object = preg_replace("/[^0-9,.]/", "", $value_inputted_for_field_on_model_object);
 //      }
-        // now it's a float-style string or number
-        $float_val = parent::prepare_for_set($value_inputted_for_field_on_model_object);
-        // round to the correctly number of decimal places for this  currency
-        $rounded_value = round($float_val, EE_Registry::instance()->CFG->currency->dec_plc);
-        return $rounded_value;
-    }
+		// now it's a float-style string or number
+		$float_val = parent::prepare_for_set($value_inputted_for_field_on_model_object);
+		// round to the correctly number of decimal places for this  currency
+		$rounded_value = round($float_val, EE_Registry::instance()->CFG->currency->dec_plc);
+		return $rounded_value;
+	}
 
-    public function prepare_for_get($value_of_field_on_model_object)
-    {
-        $c = EE_Registry::instance()->CFG->currency;
-        return round(parent::prepare_for_get($value_of_field_on_model_object), $c->dec_plc);
-    }
+	public function prepare_for_get($value_of_field_on_model_object)
+	{
+		$c = EE_Registry::instance()->CFG->currency;
+		return round(parent::prepare_for_get($value_of_field_on_model_object), $c->dec_plc);
+	}
 
-    public function getSchemaProperties()
-    {
-        return array(
-            'raw' => array(
-                'description' =>  sprintf(
-                    __('%s - the raw value as it exists in the database as a simple float.', 'event_espresso'),
-                    $this->get_nicename()
-                ),
-                'type' => 'number',
-            ),
-            'pretty' => array(
-                'description' =>  sprintf(
-                    __('%s - formatted for display in the set currency and decimal places.', 'event_espresso'),
-                    $this->get_nicename()
-                ),
-                'type' => 'string',
-                'format' => 'money'
-            )
-        );
-    }
+	public function getSchemaProperties()
+	{
+		return array(
+			'raw' => array(
+				'description' =>  sprintf(
+					__('%s - the raw value as it exists in the database as a simple float.', 'event_espresso'),
+					$this->get_nicename()
+				),
+				'type' => 'number',
+			),
+			'pretty' => array(
+				'description' =>  sprintf(
+					__('%s - formatted for display in the set currency and decimal places.', 'event_espresso'),
+					$this->get_nicename()
+				),
+				'type' => 'string',
+				'format' => 'money'
+			)
+		);
+	}
 }

core/db_models/fields/EE_Datetime_Field.php

Doc Comments +3 added lines, -3 removed lines

@@ -560,7 +560,7 @@ 
      * allowed)
      *
      * @param string $datetime_string mysql timestamp in UTC
-     * @return  mixed null | DateTime
+     * @return  null|DbSafeDateTime null | DateTime
      * @throws \EE_Error
      */
     public function prepare_for_set_from_db($datetime_string)
@@ -712,7 +712,7 @@ 
      *
      * @param \DateTimeZone $DateTimeZone
      * @param int           $time
-     * @return mixed
+     * @return integer
      * @throws \DomainException
      */
     public function get_timezone_offset(DateTimeZone $DateTimeZone, $time = null)
@@ -753,7 +753,7 @@ 
     /**
      * Gets the default datetime object from the field's default time
      * @since 4.9.66.p
-     * @return DbSafeDateTime|null
+     * @return DateTime|null
      * @throws InvalidArgumentException
      * @throws InvalidDataTypeException
      * @throws InvalidInterfaceException

Indentation +764 added lines, -764 removed lines

@@ -15,769 +15,769 @@
 class EE_Datetime_Field extends EE_Model_Field_Base
 {
 
-    /**
-     * The pattern we're looking for is if only the characters 0-9 are found and there are only
-     * 10 or more numbers (because 9 numbers even with all 9's would be sometime in 2001 )
-     *
-     * @type string unix_timestamp_regex
-     */
-    const unix_timestamp_regex = '/[0-9]{10,}/';
-
-    /**
-     * @type string mysql_timestamp_format
-     */
-    const mysql_timestamp_format = 'Y-m-d H:i:s';
-
-    /**
-     * @type string mysql_date_format
-     */
-    const mysql_date_format = 'Y-m-d';
-
-    /**
-     * @type string mysql_time_format
-     */
-    const mysql_time_format = 'H:i:s';
-
-    /**
-     * Const for using in the default value. If the field's default is set to this,
-     * then we will return the time of calling `get_default_value()`, not
-     * just the current time at construction
-     */
-    const now = 'now';
-
-    /**
-     * The following properties hold the default formats for date and time.
-     * Defaults are set via the constructor and can be overridden on class instantiation.
-     * However they can also be overridden later by the set_format() method
-     * (and corresponding set_date_format, set_time_format methods);
-     */
-    /**
-     * @type string $_date_format
-     */
-    protected $_date_format = '';
-
-    /**
-     * @type string $_time_format
-     */
-    protected $_time_format = '';
-
-    /**
-     * @type string $_pretty_date_format
-     */
-    protected $_pretty_date_format = '';
-
-    /**
-     * @type string $_pretty_time_format
-     */
-    protected $_pretty_time_format = '';
-
-    /**
-     * @type DateTimeZone $_DateTimeZone
-     */
-    protected $_DateTimeZone;
-
-    /**
-     * @type DateTimeZone $_UTC_DateTimeZone
-     */
-    protected $_UTC_DateTimeZone;
-
-    /**
-     * @type DateTimeZone $_blog_DateTimeZone
-     */
-    protected $_blog_DateTimeZone;
-
-
-    /**
-     * This property holds how we want the output returned when getting a datetime string.  It is set for the
-     * set_date_time_output() method.  By default this is empty.  When empty, we are assuming that we want both date
-     * and time returned via getters.
-     *
-     * @var mixed (null|string)
-     */
-    protected $_date_time_output;
-
-
-    /**
-     * timezone string
-     * This gets set by the constructor and can be changed by the "set_timezone()" method so that we know what timezone
-     * incoming strings|timestamps are in.  This can also be used before a get to set what timezone you want strings
-     * coming out of the object to be in.  Default timezone is the current WP timezone option setting
-     *
-     * @var string
-     */
-    protected $_timezone_string;
-
-
-    /**
-     * This holds whatever UTC offset for the blog (we automatically convert timezone strings into their related
-     * offsets for comparison purposes).
-     *
-     * @var int
-     */
-    protected $_blog_offset;
-
-
-
-    /**
-     * @param string $table_column
-     * @param string $nice_name
-     * @param bool   $nullable
-     * @param string $default_value
-     * @param string $timezone_string
-     * @param string $date_format
-     * @param string $time_format
-     * @param string $pretty_date_format
-     * @param string $pretty_time_format
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     */
-    public function __construct(
-        $table_column,
-        $nice_name,
-        $nullable,
-        $default_value,
-        $timezone_string = '',
-        $date_format = '',
-        $time_format = '',
-        $pretty_date_format = '',
-        $pretty_time_format = ''
-    ) {
-
-        $this->_date_format        = ! empty($date_format) ? $date_format : get_option('date_format');
-        $this->_time_format        = ! empty($time_format) ? $time_format : get_option('time_format');
-        $this->_pretty_date_format = ! empty($pretty_date_format) ? $pretty_date_format : get_option('date_format');
-        $this->_pretty_time_format = ! empty($pretty_time_format) ? $pretty_time_format : get_option('time_format');
-
-        parent::__construct($table_column, $nice_name, $nullable, $default_value);
-        $this->set_timezone($timezone_string);
-        $this->setSchemaFormat('date-time');
-    }
-
-
-    /**
-     * @return DateTimeZone
-     * @throws \EE_Error
-     */
-    public function get_UTC_DateTimeZone()
-    {
-        return $this->_UTC_DateTimeZone instanceof DateTimeZone
-            ? $this->_UTC_DateTimeZone
-            : $this->_create_timezone_object_from_timezone_string('UTC');
-    }
-
-
-    /**
-     * @return DateTimeZone
-     * @throws \EE_Error
-     */
-    public function get_blog_DateTimeZone()
-    {
-        return $this->_blog_DateTimeZone instanceof DateTimeZone
-            ? $this->_blog_DateTimeZone
-            : $this->_create_timezone_object_from_timezone_string('');
-    }
-
-
-    /**
-     * this prepares any incoming date data and make sure its converted to a utc unix timestamp
-     *
-     * @param  string|int $value_inputted_for_field_on_model_object could be a string formatted date time or int unix
-     *                                                              timestamp
-     * @return DateTime
-     */
-    public function prepare_for_set($value_inputted_for_field_on_model_object)
-    {
-        return $this->_get_date_object($value_inputted_for_field_on_model_object);
-    }
-
-
-    /**
-     * This returns the format string to be used by getters depending on what the $_date_time_output property is set at.
-     * getters need to know whether we're just returning the date or the time or both.  By default we return both.
-     *
-     * @param bool $pretty If we're returning the pretty formats or standard format string.
-     * @return string    The final assembled format string.
-     */
-    protected function _get_date_time_output($pretty = false)
-    {
-
-        switch ($this->_date_time_output) {
-            case 'time':
-                return $pretty ? $this->_pretty_time_format : $this->_time_format;
-                break;
-
-            case 'date':
-                return $pretty ? $this->_pretty_date_format : $this->_date_format;
-                break;
-
-            default:
-                return $pretty
-                    ? $this->_pretty_date_format . ' ' . $this->_pretty_time_format
-                    : $this->_date_format . ' ' . $this->_time_format;
-        }
-    }
-
-
-    /**
-     * This just sets the $_date_time_output property so we can flag how date and times are formatted before being
-     * returned (using the format properties)
-     *
-     * @param string $what acceptable values are 'time' or 'date'.
-     *                     Any other value will be set but will always result
-     *                     in both 'date' and 'time' being returned.
-     * @return void
-     */
-    public function set_date_time_output($what = null)
-    {
-        $this->_date_time_output = $what;
-    }
-
-
-    /**
-     * See $_timezone property for description of what the timezone property is for.  This SETS the timezone internally
-     * for being able to reference what timezone we are running conversions on when converting TO the internal timezone
-     * (UTC Unix Timestamp) for the object OR when converting FROM the internal timezone (UTC Unix Timestamp).
-     * We also set some other properties in this method.
-     *
-     * @param string $timezone_string A valid timezone string as described by @link
-     *                                http://www.php.net/manual/en/timezones.php
-     * @return void
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function set_timezone($timezone_string)
-    {
-        if (empty($timezone_string) && $this->_timezone_string !== null) {
-            // leave the timezone AS-IS if we already have one and
-            // the function arg didn't provide one
-            return;
-        }
-        $timezone_string        = EEH_DTT_Helper::get_valid_timezone_string($timezone_string);
-        $this->_timezone_string = ! empty($timezone_string) ? $timezone_string : 'UTC';
-        $this->_DateTimeZone    = $this->_create_timezone_object_from_timezone_string($this->_timezone_string);
-    }
-
-
-    /**
-     * _create_timezone_object_from_timezone_name
-     *
-     * @access protected
-     * @param string $timezone_string
-     * @return \DateTimeZone
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    protected function _create_timezone_object_from_timezone_string($timezone_string = '')
-    {
-        return new DateTimeZone(EEH_DTT_Helper::get_valid_timezone_string($timezone_string));
-    }
-
-
-    /**
-     * This just returns whatever is set for the current timezone.
-     *
-     * @access public
-     * @return string timezone string
-     */
-    public function get_timezone()
-    {
-        return $this->_timezone_string;
-    }
-
-
-    /**
-     * set the $_date_format property
-     *
-     * @access public
-     * @param string $format a new date format (corresponding to formats accepted by PHP date() function)
-     * @param bool   $pretty Whether to set pretty format or not.
-     * @return void
-     */
-    public function set_date_format($format, $pretty = false)
-    {
-        if ($pretty) {
-            $this->_pretty_date_format = $format;
-        } else {
-            $this->_date_format = $format;
-        }
-    }
-
-
-    /**
-     * return the $_date_format property value.
-     *
-     * @param bool $pretty Whether to get pretty format or not.
-     * @return string
-     */
-    public function get_date_format($pretty = false)
-    {
-        return $pretty ? $this->_pretty_date_format : $this->_date_format;
-    }
-
-
-    /**
-     * set the $_time_format property
-     *
-     * @access public
-     * @param string $format a new time format (corresponding to formats accepted by PHP date() function)
-     * @param bool   $pretty Whether to set pretty format or not.
-     * @return void
-     */
-    public function set_time_format($format, $pretty = false)
-    {
-        if ($pretty) {
-            $this->_pretty_time_format = $format;
-        } else {
-            $this->_time_format = $format;
-        }
-    }
-
-
-    /**
-     * return the $_time_format property value.
-     *
-     * @param bool $pretty Whether to get pretty format or not.
-     * @return string
-     */
-    public function get_time_format($pretty = false)
-    {
-        return $pretty ? $this->_pretty_time_format : $this->_time_format;
-    }
-
-
-    /**
-     * set the $_pretty_date_format property
-     *
-     * @access public
-     * @param string $format a new pretty date format (corresponding to formats accepted by PHP date() function)
-     * @return void
-     */
-    public function set_pretty_date_format($format)
-    {
-        $this->_pretty_date_format = $format;
-    }
-
-
-    /**
-     * set the $_pretty_time_format property
-     *
-     * @access public
-     * @param string $format a new pretty time format (corresponding to formats accepted by PHP date() function)
-     * @return void
-     */
-    public function set_pretty_time_format($format)
-    {
-        $this->_pretty_time_format = $format;
-    }
-
-
-    /**
-     * Only sets the time portion of the datetime.
-     *
-     * @param string|DateTime $time_to_set_string like 8am OR a DateTime object.
-     * @param DateTime        $current            current DateTime object for the datetime field
-     * @return DateTime
-     */
-    public function prepare_for_set_with_new_time($time_to_set_string, DateTime $current)
-    {
-        // if $time_to_set_string is datetime object, then let's use it to set the parse array.
-        // Otherwise parse the string.
-        if ($time_to_set_string instanceof DateTime) {
-            $parsed = array(
-                'hour'   => $time_to_set_string->format('H'),
-                'minute' => $time_to_set_string->format('i'),
-                'second' => $time_to_set_string->format('s'),
-            );
-        } else {
-            // parse incoming string
-            $parsed = date_parse_from_format($this->_time_format, $time_to_set_string);
-        }
-        EEH_DTT_Helper::setTimezone($current, $this->_DateTimeZone);
-        return $current->setTime($parsed['hour'], $parsed['minute'], $parsed['second']);
-    }
-
-
-    /**
-     * Only sets the date portion of the datetime.
-     *
-     * @param string|DateTime $date_to_set_string like Friday, January 8th or a DateTime object.
-     * @param DateTime        $current            current DateTime object for the datetime field
-     * @return DateTime
-     */
-    public function prepare_for_set_with_new_date($date_to_set_string, DateTime $current)
-    {
-        // if $time_to_set_string is datetime object, then let's use it to set the parse array.
-        // Otherwise parse the string.
-        if ($date_to_set_string instanceof DateTime) {
-            $parsed = array(
-                'year'  => $date_to_set_string->format('Y'),
-                'month' => $date_to_set_string->format('m'),
-                'day'   => $date_to_set_string->format('d'),
-            );
-        } else {
-            // parse incoming string
-            $parsed = date_parse_from_format($this->_date_format, $date_to_set_string);
-        }
-        EEH_DTT_Helper::setTimezone($current, $this->_DateTimeZone);
-        return $current->setDate($parsed['year'], $parsed['month'], $parsed['day']);
-    }
-
-
-    /**
-     * This prepares the EE_DateTime value to be saved to the db as mysql timestamp (UTC +0 timezone).  When the
-     * datetime gets to this stage it should ALREADY be in UTC time
-     *
-     * @param  DateTime $DateTime
-     * @return string formatted date time for given timezone
-     * @throws \EE_Error
-     */
-    public function prepare_for_get($DateTime)
-    {
-        return $this->_prepare_for_display($DateTime);
-    }
-
-
-    /**
-     * This differs from prepare_for_get in that it considers whether the internal $_timezone differs
-     * from the set wp timezone.  If so, then it returns the datetime string formatted via
-     * _pretty_date_format, and _pretty_time_format.  However, it also appends a timezone
-     * abbreviation to the date_string.
-     *
-     * @param mixed $DateTime
-     * @param null  $schema
-     * @return string
-     * @throws \EE_Error
-     */
-    public function prepare_for_pretty_echoing($DateTime, $schema = null)
-    {
-        return $this->_prepare_for_display($DateTime, $schema ? $schema : true);
-    }
-
-
-    /**
-     * This prepares the EE_DateTime value to be saved to the db as mysql timestamp (UTC +0
-     * timezone).
-     *
-     * @param DateTime    $DateTime
-     * @param bool|string $schema
-     * @return string
-     * @throws \EE_Error
-     */
-    protected function _prepare_for_display($DateTime, $schema = false)
-    {
-        if (! $DateTime instanceof DateTime) {
-            if ($this->_nullable) {
-                return '';
-            } else {
-                if (WP_DEBUG) {
-                    throw new EE_Error(
-                        sprintf(
-                            __(
-                                'EE_Datetime_Field::_prepare_for_display requires a DateTime class to be the value for the $DateTime argument because the %s field is not nullable.',
-                                'event_espresso'
-                            ),
-                            $this->_nicename
-                        )
-                    );
-                } else {
-                    $DateTime = new DbSafeDateTime(\EE_Datetime_Field::now);
-                    EE_Error::add_error(
-                        sprintf(
-                            __(
-                                'EE_Datetime_Field::_prepare_for_display requires a DateTime class to be the value for the $DateTime argument because the %s field is not nullable.  When WP_DEBUG is false, the value is set to "now" instead of throwing an exception.',
-                                'event_espresso'
-                            ),
-                            $this->_nicename
-                        )
-                    );
-                }
-            }
-        }
-        $format_string = $this->_get_date_time_output($schema);
-        EEH_DTT_Helper::setTimezone($DateTime, $this->_DateTimeZone);
-        if ($schema) {
-            if ($this->_display_timezone()) {
-                // must be explicit because schema could equal true.
-                if ($schema === 'no_html') {
-                    $timezone_string = ' (' . $DateTime->format('T') . ')';
-                } else {
-                    $timezone_string = ' <span class="ee_dtt_timezone_string">(' . $DateTime->format('T') . ')</span>';
-                }
-            } else {
-                $timezone_string = '';
-            }
-
-            return $DateTime->format($format_string) . $timezone_string;
-        }
-        return $DateTime->format($format_string);
-    }
-
-
-    /**
-     * This prepares the EE_DateTime value to be saved to the db as mysql timestamp (UTC +0
-     * timezone).
-     *
-     * @param  mixed $datetime_value u
-     * @return string mysql timestamp in UTC
-     * @throws \EE_Error
-     */
-    public function prepare_for_use_in_db($datetime_value)
-    {
-        // we allow an empty value or DateTime object, but nothing else.
-        if (! empty($datetime_value) && ! $datetime_value instanceof DateTime) {
-            throw new EE_Error(
-                sprintf(
-                    __(
-                        'The incoming value being prepared for setting in the database must either be empty or a php 
+	/**
+	 * The pattern we're looking for is if only the characters 0-9 are found and there are only
+	 * 10 or more numbers (because 9 numbers even with all 9's would be sometime in 2001 )
+	 *
+	 * @type string unix_timestamp_regex
+	 */
+	const unix_timestamp_regex = '/[0-9]{10,}/';
+
+	/**
+	 * @type string mysql_timestamp_format
+	 */
+	const mysql_timestamp_format = 'Y-m-d H:i:s';
+
+	/**
+	 * @type string mysql_date_format
+	 */
+	const mysql_date_format = 'Y-m-d';
+
+	/**
+	 * @type string mysql_time_format
+	 */
+	const mysql_time_format = 'H:i:s';
+
+	/**
+	 * Const for using in the default value. If the field's default is set to this,
+	 * then we will return the time of calling `get_default_value()`, not
+	 * just the current time at construction
+	 */
+	const now = 'now';
+
+	/**
+	 * The following properties hold the default formats for date and time.
+	 * Defaults are set via the constructor and can be overridden on class instantiation.
+	 * However they can also be overridden later by the set_format() method
+	 * (and corresponding set_date_format, set_time_format methods);
+	 */
+	/**
+	 * @type string $_date_format
+	 */
+	protected $_date_format = '';
+
+	/**
+	 * @type string $_time_format
+	 */
+	protected $_time_format = '';
+
+	/**
+	 * @type string $_pretty_date_format
+	 */
+	protected $_pretty_date_format = '';
+
+	/**
+	 * @type string $_pretty_time_format
+	 */
+	protected $_pretty_time_format = '';
+
+	/**
+	 * @type DateTimeZone $_DateTimeZone
+	 */
+	protected $_DateTimeZone;
+
+	/**
+	 * @type DateTimeZone $_UTC_DateTimeZone
+	 */
+	protected $_UTC_DateTimeZone;
+
+	/**
+	 * @type DateTimeZone $_blog_DateTimeZone
+	 */
+	protected $_blog_DateTimeZone;
+
+
+	/**
+	 * This property holds how we want the output returned when getting a datetime string.  It is set for the
+	 * set_date_time_output() method.  By default this is empty.  When empty, we are assuming that we want both date
+	 * and time returned via getters.
+	 *
+	 * @var mixed (null|string)
+	 */
+	protected $_date_time_output;
+
+
+	/**
+	 * timezone string
+	 * This gets set by the constructor and can be changed by the "set_timezone()" method so that we know what timezone
+	 * incoming strings|timestamps are in.  This can also be used before a get to set what timezone you want strings
+	 * coming out of the object to be in.  Default timezone is the current WP timezone option setting
+	 *
+	 * @var string
+	 */
+	protected $_timezone_string;
+
+
+	/**
+	 * This holds whatever UTC offset for the blog (we automatically convert timezone strings into their related
+	 * offsets for comparison purposes).
+	 *
+	 * @var int
+	 */
+	protected $_blog_offset;
+
+
+
+	/**
+	 * @param string $table_column
+	 * @param string $nice_name
+	 * @param bool   $nullable
+	 * @param string $default_value
+	 * @param string $timezone_string
+	 * @param string $date_format
+	 * @param string $time_format
+	 * @param string $pretty_date_format
+	 * @param string $pretty_time_format
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 */
+	public function __construct(
+		$table_column,
+		$nice_name,
+		$nullable,
+		$default_value,
+		$timezone_string = '',
+		$date_format = '',
+		$time_format = '',
+		$pretty_date_format = '',
+		$pretty_time_format = ''
+	) {
+
+		$this->_date_format        = ! empty($date_format) ? $date_format : get_option('date_format');
+		$this->_time_format        = ! empty($time_format) ? $time_format : get_option('time_format');
+		$this->_pretty_date_format = ! empty($pretty_date_format) ? $pretty_date_format : get_option('date_format');
+		$this->_pretty_time_format = ! empty($pretty_time_format) ? $pretty_time_format : get_option('time_format');
+
+		parent::__construct($table_column, $nice_name, $nullable, $default_value);
+		$this->set_timezone($timezone_string);
+		$this->setSchemaFormat('date-time');
+	}
+
+
+	/**
+	 * @return DateTimeZone
+	 * @throws \EE_Error
+	 */
+	public function get_UTC_DateTimeZone()
+	{
+		return $this->_UTC_DateTimeZone instanceof DateTimeZone
+			? $this->_UTC_DateTimeZone
+			: $this->_create_timezone_object_from_timezone_string('UTC');
+	}
+
+
+	/**
+	 * @return DateTimeZone
+	 * @throws \EE_Error
+	 */
+	public function get_blog_DateTimeZone()
+	{
+		return $this->_blog_DateTimeZone instanceof DateTimeZone
+			? $this->_blog_DateTimeZone
+			: $this->_create_timezone_object_from_timezone_string('');
+	}
+
+
+	/**
+	 * this prepares any incoming date data and make sure its converted to a utc unix timestamp
+	 *
+	 * @param  string|int $value_inputted_for_field_on_model_object could be a string formatted date time or int unix
+	 *                                                              timestamp
+	 * @return DateTime
+	 */
+	public function prepare_for_set($value_inputted_for_field_on_model_object)
+	{
+		return $this->_get_date_object($value_inputted_for_field_on_model_object);
+	}
+
+
+	/**
+	 * This returns the format string to be used by getters depending on what the $_date_time_output property is set at.
+	 * getters need to know whether we're just returning the date or the time or both.  By default we return both.
+	 *
+	 * @param bool $pretty If we're returning the pretty formats or standard format string.
+	 * @return string    The final assembled format string.
+	 */
+	protected function _get_date_time_output($pretty = false)
+	{
+
+		switch ($this->_date_time_output) {
+			case 'time':
+				return $pretty ? $this->_pretty_time_format : $this->_time_format;
+				break;
+
+			case 'date':
+				return $pretty ? $this->_pretty_date_format : $this->_date_format;
+				break;
+
+			default:
+				return $pretty
+					? $this->_pretty_date_format . ' ' . $this->_pretty_time_format
+					: $this->_date_format . ' ' . $this->_time_format;
+		}
+	}
+
+
+	/**
+	 * This just sets the $_date_time_output property so we can flag how date and times are formatted before being
+	 * returned (using the format properties)
+	 *
+	 * @param string $what acceptable values are 'time' or 'date'.
+	 *                     Any other value will be set but will always result
+	 *                     in both 'date' and 'time' being returned.
+	 * @return void
+	 */
+	public function set_date_time_output($what = null)
+	{
+		$this->_date_time_output = $what;
+	}
+
+
+	/**
+	 * See $_timezone property for description of what the timezone property is for.  This SETS the timezone internally
+	 * for being able to reference what timezone we are running conversions on when converting TO the internal timezone
+	 * (UTC Unix Timestamp) for the object OR when converting FROM the internal timezone (UTC Unix Timestamp).
+	 * We also set some other properties in this method.
+	 *
+	 * @param string $timezone_string A valid timezone string as described by @link
+	 *                                http://www.php.net/manual/en/timezones.php
+	 * @return void
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function set_timezone($timezone_string)
+	{
+		if (empty($timezone_string) && $this->_timezone_string !== null) {
+			// leave the timezone AS-IS if we already have one and
+			// the function arg didn't provide one
+			return;
+		}
+		$timezone_string        = EEH_DTT_Helper::get_valid_timezone_string($timezone_string);
+		$this->_timezone_string = ! empty($timezone_string) ? $timezone_string : 'UTC';
+		$this->_DateTimeZone    = $this->_create_timezone_object_from_timezone_string($this->_timezone_string);
+	}
+
+
+	/**
+	 * _create_timezone_object_from_timezone_name
+	 *
+	 * @access protected
+	 * @param string $timezone_string
+	 * @return \DateTimeZone
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	protected function _create_timezone_object_from_timezone_string($timezone_string = '')
+	{
+		return new DateTimeZone(EEH_DTT_Helper::get_valid_timezone_string($timezone_string));
+	}
+
+
+	/**
+	 * This just returns whatever is set for the current timezone.
+	 *
+	 * @access public
+	 * @return string timezone string
+	 */
+	public function get_timezone()
+	{
+		return $this->_timezone_string;
+	}
+
+
+	/**
+	 * set the $_date_format property
+	 *
+	 * @access public
+	 * @param string $format a new date format (corresponding to formats accepted by PHP date() function)
+	 * @param bool   $pretty Whether to set pretty format or not.
+	 * @return void
+	 */
+	public function set_date_format($format, $pretty = false)
+	{
+		if ($pretty) {
+			$this->_pretty_date_format = $format;
+		} else {
+			$this->_date_format = $format;
+		}
+	}
+
+
+	/**
+	 * return the $_date_format property value.
+	 *
+	 * @param bool $pretty Whether to get pretty format or not.
+	 * @return string
+	 */
+	public function get_date_format($pretty = false)
+	{
+		return $pretty ? $this->_pretty_date_format : $this->_date_format;
+	}
+
+
+	/**
+	 * set the $_time_format property
+	 *
+	 * @access public
+	 * @param string $format a new time format (corresponding to formats accepted by PHP date() function)
+	 * @param bool   $pretty Whether to set pretty format or not.
+	 * @return void
+	 */
+	public function set_time_format($format, $pretty = false)
+	{
+		if ($pretty) {
+			$this->_pretty_time_format = $format;
+		} else {
+			$this->_time_format = $format;
+		}
+	}
+
+
+	/**
+	 * return the $_time_format property value.
+	 *
+	 * @param bool $pretty Whether to get pretty format or not.
+	 * @return string
+	 */
+	public function get_time_format($pretty = false)
+	{
+		return $pretty ? $this->_pretty_time_format : $this->_time_format;
+	}
+
+
+	/**
+	 * set the $_pretty_date_format property
+	 *
+	 * @access public
+	 * @param string $format a new pretty date format (corresponding to formats accepted by PHP date() function)
+	 * @return void
+	 */
+	public function set_pretty_date_format($format)
+	{
+		$this->_pretty_date_format = $format;
+	}
+
+
+	/**
+	 * set the $_pretty_time_format property
+	 *
+	 * @access public
+	 * @param string $format a new pretty time format (corresponding to formats accepted by PHP date() function)
+	 * @return void
+	 */
+	public function set_pretty_time_format($format)
+	{
+		$this->_pretty_time_format = $format;
+	}
+
+
+	/**
+	 * Only sets the time portion of the datetime.
+	 *
+	 * @param string|DateTime $time_to_set_string like 8am OR a DateTime object.
+	 * @param DateTime        $current            current DateTime object for the datetime field
+	 * @return DateTime
+	 */
+	public function prepare_for_set_with_new_time($time_to_set_string, DateTime $current)
+	{
+		// if $time_to_set_string is datetime object, then let's use it to set the parse array.
+		// Otherwise parse the string.
+		if ($time_to_set_string instanceof DateTime) {
+			$parsed = array(
+				'hour'   => $time_to_set_string->format('H'),
+				'minute' => $time_to_set_string->format('i'),
+				'second' => $time_to_set_string->format('s'),
+			);
+		} else {
+			// parse incoming string
+			$parsed = date_parse_from_format($this->_time_format, $time_to_set_string);
+		}
+		EEH_DTT_Helper::setTimezone($current, $this->_DateTimeZone);
+		return $current->setTime($parsed['hour'], $parsed['minute'], $parsed['second']);
+	}
+
+
+	/**
+	 * Only sets the date portion of the datetime.
+	 *
+	 * @param string|DateTime $date_to_set_string like Friday, January 8th or a DateTime object.
+	 * @param DateTime        $current            current DateTime object for the datetime field
+	 * @return DateTime
+	 */
+	public function prepare_for_set_with_new_date($date_to_set_string, DateTime $current)
+	{
+		// if $time_to_set_string is datetime object, then let's use it to set the parse array.
+		// Otherwise parse the string.
+		if ($date_to_set_string instanceof DateTime) {
+			$parsed = array(
+				'year'  => $date_to_set_string->format('Y'),
+				'month' => $date_to_set_string->format('m'),
+				'day'   => $date_to_set_string->format('d'),
+			);
+		} else {
+			// parse incoming string
+			$parsed = date_parse_from_format($this->_date_format, $date_to_set_string);
+		}
+		EEH_DTT_Helper::setTimezone($current, $this->_DateTimeZone);
+		return $current->setDate($parsed['year'], $parsed['month'], $parsed['day']);
+	}
+
+
+	/**
+	 * This prepares the EE_DateTime value to be saved to the db as mysql timestamp (UTC +0 timezone).  When the
+	 * datetime gets to this stage it should ALREADY be in UTC time
+	 *
+	 * @param  DateTime $DateTime
+	 * @return string formatted date time for given timezone
+	 * @throws \EE_Error
+	 */
+	public function prepare_for_get($DateTime)
+	{
+		return $this->_prepare_for_display($DateTime);
+	}
+
+
+	/**
+	 * This differs from prepare_for_get in that it considers whether the internal $_timezone differs
+	 * from the set wp timezone.  If so, then it returns the datetime string formatted via
+	 * _pretty_date_format, and _pretty_time_format.  However, it also appends a timezone
+	 * abbreviation to the date_string.
+	 *
+	 * @param mixed $DateTime
+	 * @param null  $schema
+	 * @return string
+	 * @throws \EE_Error
+	 */
+	public function prepare_for_pretty_echoing($DateTime, $schema = null)
+	{
+		return $this->_prepare_for_display($DateTime, $schema ? $schema : true);
+	}
+
+
+	/**
+	 * This prepares the EE_DateTime value to be saved to the db as mysql timestamp (UTC +0
+	 * timezone).
+	 *
+	 * @param DateTime    $DateTime
+	 * @param bool|string $schema
+	 * @return string
+	 * @throws \EE_Error
+	 */
+	protected function _prepare_for_display($DateTime, $schema = false)
+	{
+		if (! $DateTime instanceof DateTime) {
+			if ($this->_nullable) {
+				return '';
+			} else {
+				if (WP_DEBUG) {
+					throw new EE_Error(
+						sprintf(
+							__(
+								'EE_Datetime_Field::_prepare_for_display requires a DateTime class to be the value for the $DateTime argument because the %s field is not nullable.',
+								'event_espresso'
+							),
+							$this->_nicename
+						)
+					);
+				} else {
+					$DateTime = new DbSafeDateTime(\EE_Datetime_Field::now);
+					EE_Error::add_error(
+						sprintf(
+							__(
+								'EE_Datetime_Field::_prepare_for_display requires a DateTime class to be the value for the $DateTime argument because the %s field is not nullable.  When WP_DEBUG is false, the value is set to "now" instead of throwing an exception.',
+								'event_espresso'
+							),
+							$this->_nicename
+						)
+					);
+				}
+			}
+		}
+		$format_string = $this->_get_date_time_output($schema);
+		EEH_DTT_Helper::setTimezone($DateTime, $this->_DateTimeZone);
+		if ($schema) {
+			if ($this->_display_timezone()) {
+				// must be explicit because schema could equal true.
+				if ($schema === 'no_html') {
+					$timezone_string = ' (' . $DateTime->format('T') . ')';
+				} else {
+					$timezone_string = ' <span class="ee_dtt_timezone_string">(' . $DateTime->format('T') . ')</span>';
+				}
+			} else {
+				$timezone_string = '';
+			}
+
+			return $DateTime->format($format_string) . $timezone_string;
+		}
+		return $DateTime->format($format_string);
+	}
+
+
+	/**
+	 * This prepares the EE_DateTime value to be saved to the db as mysql timestamp (UTC +0
+	 * timezone).
+	 *
+	 * @param  mixed $datetime_value u
+	 * @return string mysql timestamp in UTC
+	 * @throws \EE_Error
+	 */
+	public function prepare_for_use_in_db($datetime_value)
+	{
+		// we allow an empty value or DateTime object, but nothing else.
+		if (! empty($datetime_value) && ! $datetime_value instanceof DateTime) {
+			throw new EE_Error(
+				sprintf(
+					__(
+						'The incoming value being prepared for setting in the database must either be empty or a php 
             		    DateTime object, instead of: %1$s %2$s',
-                        'event_espresso'
-                    ),
-                    '<br />',
-                    print_r($datetime_value, true)
-                )
-            );
-        }
-
-        if ($datetime_value instanceof DateTime) {
-            if (! $datetime_value instanceof DbSafeDateTime) {
-                $datetime_value = DbSafeDateTime::createFromDateTime($datetime_value);
-            }
-            EEH_DTT_Helper::setTimezone($datetime_value, $this->get_UTC_DateTimeZone());
-            return $datetime_value->format(
-                EE_Datetime_Field::mysql_timestamp_format
-            );
-        }
-
-        // if $datetime_value is empty, and ! $this->_nullable, use current_time() but set the GMT flag to true
-        return ! $this->_nullable && empty($datetime_value) ? current_time('mysql', true) : null;
-    }
-
-
-    /**
-     * This prepares the datetime for internal usage as a PHP DateTime object OR null (if nullable is
-     * allowed)
-     *
-     * @param string $datetime_string mysql timestamp in UTC
-     * @return  mixed null | DateTime
-     * @throws \EE_Error
-     */
-    public function prepare_for_set_from_db($datetime_string)
-    {
-        // if $datetime_value is empty, and ! $this->_nullable, just use time()
-        if (empty($datetime_string) && $this->_nullable) {
-            return null;
-        }
-        // datetime strings from the db should ALWAYS be in UTC+0, so use UTC_DateTimeZone when creating
-        if (empty($datetime_string)) {
-            $DateTime = new DbSafeDateTime(\EE_Datetime_Field::now, $this->get_UTC_DateTimeZone());
-        } else {
-            $DateTime = DateTime::createFromFormat(
-                EE_Datetime_Field::mysql_timestamp_format,
-                $datetime_string,
-                $this->get_UTC_DateTimeZone()
-            );
-            if ($DateTime instanceof \DateTime) {
-                $DateTime = new DbSafeDateTime(
-                    $DateTime->format(\EE_Datetime_Field::mysql_timestamp_format),
-                    $this->get_UTC_DateTimeZone()
-                );
-            }
-        }
-
-        if (! $DateTime instanceof DbSafeDateTime) {
-            // if still no datetime object, then let's just use now
-            $DateTime = new DbSafeDateTime(\EE_Datetime_Field::now, $this->get_UTC_DateTimeZone());
-        }
-        // THEN apply the field's set DateTimeZone
-        EEH_DTT_Helper::setTimezone($DateTime, $this->_DateTimeZone);
-        return $DateTime;
-    }
-
-
-    /**
-     * All this method does is determine if we're going to display the timezone string or not on any output.
-     * To determine this we check if the set timezone offset is different than the blog's set timezone offset.
-     * If so, then true.
-     *
-     * @return bool true for yes false for no
-     * @throws \EE_Error
-     */
-    protected function _display_timezone()
-    {
-
-        // first let's do a comparison of timezone strings.
-        // If they match then we can get out without any further calculations
-        $blog_string = get_option('timezone_string');
-        if ($blog_string === $this->_timezone_string) {
-            return false;
-        }
-        // now we need to calc the offset for the timezone string so we can compare with the blog offset.
-        $this_offset = $this->get_timezone_offset($this->_DateTimeZone);
-        $blog_offset = $this->get_timezone_offset($this->get_blog_DateTimeZone());
-        // now compare
-        return $blog_offset !== $this_offset;
-    }
-
-
-    /**
-     * This method returns a php DateTime object for setting on the EE_Base_Class model.
-     * EE passes around DateTime objects because they are MUCH easier to manipulate and deal
-     * with.
-     *
-     * @param int|string|DateTime $date_string            This should be the incoming date string.  It's assumed to be
-     *                                                    in the format that is set on the date_field (or DateTime
-     *                                                    object)!
-     * @return DateTime
-     */
-    protected function _get_date_object($date_string)
-    {
-        // first if this is an empty date_string and nullable is allowed, just return null.
-        if ($this->_nullable && empty($date_string)) {
-            return null;
-        }
-
-        // if incoming date
-        if ($date_string instanceof DateTime) {
-            EEH_DTT_Helper::setTimezone($date_string, $this->_DateTimeZone);
-            return $date_string;
-        }
-        // if empty date_string and made it here.
-        // Return a datetime object for now in the given timezone.
-        if (empty($date_string)) {
-            return new DbSafeDateTime(\EE_Datetime_Field::now, $this->_DateTimeZone);
-        }
-        // if $date_string is matches something that looks like a Unix timestamp let's just use it.
-        if (preg_match(EE_Datetime_Field::unix_timestamp_regex, $date_string)) {
-            try {
-                // This is operating under the assumption that the incoming Unix timestamp
-                // is an ACTUAL Unix timestamp and not the calculated one output by current_time('timestamp');
-                $DateTime = new DbSafeDateTime(\EE_Datetime_Field::now, $this->_DateTimeZone);
-                $DateTime->setTimestamp($date_string);
-
-                return $DateTime;
-            } catch (Exception $e) {
-                // should be rare, but if things got fooled then let's just continue
-            }
-        }
-        // not a unix timestamp.  So we will use the set format on this object and set timezone to
-        // create the DateTime object.
-        $format = $this->_date_format . ' ' . $this->_time_format;
-        try {
-            $DateTime = DateTime::createFromFormat($format, $date_string, $this->_DateTimeZone);
-            if ($DateTime instanceof DateTime) {
-                $DateTime = new DbSafeDateTime(
-                    $DateTime->format(\EE_Datetime_Field::mysql_timestamp_format),
-                    $this->_DateTimeZone
-                );
-            }
-            if (! $DateTime instanceof DbSafeDateTime) {
-                throw new EE_Error(
-                    sprintf(
-                        __('"%1$s" does not represent a valid Date Time in the format "%2$s".', 'event_espresso'),
-                        $date_string,
-                        $format
-                    )
-                );
-            }
-        } catch (Exception $e) {
-            // if we made it here then likely then something went really wrong.
-            // Instead of throwing an exception, let's just return a DateTime object for now, in the set timezone.
-            $DateTime = new DbSafeDateTime(\EE_Datetime_Field::now, $this->_DateTimeZone);
-        }
-
-        return $DateTime;
-    }
-
-
-
-    /**
-     * get_timezone_transitions
-     *
-     * @param \DateTimeZone $DateTimeZone
-     * @param int           $time
-     * @param bool          $first_only
-     * @return mixed
-     */
-    public function get_timezone_transitions(DateTimeZone $DateTimeZone, $time = null, $first_only = true)
-    {
-        return EEH_DTT_Helper::get_timezone_transitions($DateTimeZone, $time, $first_only);
-    }
-
-
-
-    /**
-     * get_timezone_offset
-     *
-     * @param \DateTimeZone $DateTimeZone
-     * @param int           $time
-     * @return mixed
-     * @throws \DomainException
-     */
-    public function get_timezone_offset(DateTimeZone $DateTimeZone, $time = null)
-    {
-        return EEH_DTT_Helper::get_timezone_offset($DateTimeZone, $time);
-    }
-
-
-    /**
-     * This will take an incoming timezone string and return the abbreviation for that timezone
-     *
-     * @param  string $timezone_string
-     * @return string           abbreviation
-     * @throws \EE_Error
-     */
-    public function get_timezone_abbrev($timezone_string)
-    {
-        $timezone_string = EEH_DTT_Helper::get_valid_timezone_string($timezone_string);
-        $dateTime        = new DateTime(\EE_Datetime_Field::now, new DateTimeZone($timezone_string));
-
-        return $dateTime->format('T');
-    }
-
-    /**
-     * Overrides the parent to allow for having a dynamic "now" value
-     *
-     * @return mixed
-     */
-    public function get_default_value()
-    {
-        if ($this->_default_value === EE_Datetime_Field::now) {
-            return time();
-        } else {
-            return parent::get_default_value();
-        }
-    }
-
-    /**
-     * Gets the default datetime object from the field's default time
-     * @since 4.9.66.p
-     * @return DbSafeDateTime|null
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function getDefaultDateTimeObj()
-    {
-        $default_raw = $this->get_default_value();
-        if ($default_raw instanceof DateTime) {
-            return $default_raw;
-        } elseif (is_null($default_raw)) {
-            return $default_raw;
-        } else {
-            return new DbSafeDateTime(
-                $this->get_default_value(),
-                EEH_DTT_Helper::get_valid_timezone_string($this->get_timezone())
-            );
-        }
-    }
-
-    public function getSchemaDescription()
-    {
-        return sprintf(
-            esc_html__('%s - the value for this field is in the timezone of the site.', 'event_espresso'),
-            $this->get_nicename()
-        );
-    }
+						'event_espresso'
+					),
+					'<br />',
+					print_r($datetime_value, true)
+				)
+			);
+		}
+
+		if ($datetime_value instanceof DateTime) {
+			if (! $datetime_value instanceof DbSafeDateTime) {
+				$datetime_value = DbSafeDateTime::createFromDateTime($datetime_value);
+			}
+			EEH_DTT_Helper::setTimezone($datetime_value, $this->get_UTC_DateTimeZone());
+			return $datetime_value->format(
+				EE_Datetime_Field::mysql_timestamp_format
+			);
+		}
+
+		// if $datetime_value is empty, and ! $this->_nullable, use current_time() but set the GMT flag to true
+		return ! $this->_nullable && empty($datetime_value) ? current_time('mysql', true) : null;
+	}
+
+
+	/**
+	 * This prepares the datetime for internal usage as a PHP DateTime object OR null (if nullable is
+	 * allowed)
+	 *
+	 * @param string $datetime_string mysql timestamp in UTC
+	 * @return  mixed null | DateTime
+	 * @throws \EE_Error
+	 */
+	public function prepare_for_set_from_db($datetime_string)
+	{
+		// if $datetime_value is empty, and ! $this->_nullable, just use time()
+		if (empty($datetime_string) && $this->_nullable) {
+			return null;
+		}
+		// datetime strings from the db should ALWAYS be in UTC+0, so use UTC_DateTimeZone when creating
+		if (empty($datetime_string)) {
+			$DateTime = new DbSafeDateTime(\EE_Datetime_Field::now, $this->get_UTC_DateTimeZone());
+		} else {
+			$DateTime = DateTime::createFromFormat(
+				EE_Datetime_Field::mysql_timestamp_format,
+				$datetime_string,
+				$this->get_UTC_DateTimeZone()
+			);
+			if ($DateTime instanceof \DateTime) {
+				$DateTime = new DbSafeDateTime(
+					$DateTime->format(\EE_Datetime_Field::mysql_timestamp_format),
+					$this->get_UTC_DateTimeZone()
+				);
+			}
+		}
+
+		if (! $DateTime instanceof DbSafeDateTime) {
+			// if still no datetime object, then let's just use now
+			$DateTime = new DbSafeDateTime(\EE_Datetime_Field::now, $this->get_UTC_DateTimeZone());
+		}
+		// THEN apply the field's set DateTimeZone
+		EEH_DTT_Helper::setTimezone($DateTime, $this->_DateTimeZone);
+		return $DateTime;
+	}
+
+
+	/**
+	 * All this method does is determine if we're going to display the timezone string or not on any output.
+	 * To determine this we check if the set timezone offset is different than the blog's set timezone offset.
+	 * If so, then true.
+	 *
+	 * @return bool true for yes false for no
+	 * @throws \EE_Error
+	 */
+	protected function _display_timezone()
+	{
+
+		// first let's do a comparison of timezone strings.
+		// If they match then we can get out without any further calculations
+		$blog_string = get_option('timezone_string');
+		if ($blog_string === $this->_timezone_string) {
+			return false;
+		}
+		// now we need to calc the offset for the timezone string so we can compare with the blog offset.
+		$this_offset = $this->get_timezone_offset($this->_DateTimeZone);
+		$blog_offset = $this->get_timezone_offset($this->get_blog_DateTimeZone());
+		// now compare
+		return $blog_offset !== $this_offset;
+	}
+
+
+	/**
+	 * This method returns a php DateTime object for setting on the EE_Base_Class model.
+	 * EE passes around DateTime objects because they are MUCH easier to manipulate and deal
+	 * with.
+	 *
+	 * @param int|string|DateTime $date_string            This should be the incoming date string.  It's assumed to be
+	 *                                                    in the format that is set on the date_field (or DateTime
+	 *                                                    object)!
+	 * @return DateTime
+	 */
+	protected function _get_date_object($date_string)
+	{
+		// first if this is an empty date_string and nullable is allowed, just return null.
+		if ($this->_nullable && empty($date_string)) {
+			return null;
+		}
+
+		// if incoming date
+		if ($date_string instanceof DateTime) {
+			EEH_DTT_Helper::setTimezone($date_string, $this->_DateTimeZone);
+			return $date_string;
+		}
+		// if empty date_string and made it here.
+		// Return a datetime object for now in the given timezone.
+		if (empty($date_string)) {
+			return new DbSafeDateTime(\EE_Datetime_Field::now, $this->_DateTimeZone);
+		}
+		// if $date_string is matches something that looks like a Unix timestamp let's just use it.
+		if (preg_match(EE_Datetime_Field::unix_timestamp_regex, $date_string)) {
+			try {
+				// This is operating under the assumption that the incoming Unix timestamp
+				// is an ACTUAL Unix timestamp and not the calculated one output by current_time('timestamp');
+				$DateTime = new DbSafeDateTime(\EE_Datetime_Field::now, $this->_DateTimeZone);
+				$DateTime->setTimestamp($date_string);
+
+				return $DateTime;
+			} catch (Exception $e) {
+				// should be rare, but if things got fooled then let's just continue
+			}
+		}
+		// not a unix timestamp.  So we will use the set format on this object and set timezone to
+		// create the DateTime object.
+		$format = $this->_date_format . ' ' . $this->_time_format;
+		try {
+			$DateTime = DateTime::createFromFormat($format, $date_string, $this->_DateTimeZone);
+			if ($DateTime instanceof DateTime) {
+				$DateTime = new DbSafeDateTime(
+					$DateTime->format(\EE_Datetime_Field::mysql_timestamp_format),
+					$this->_DateTimeZone
+				);
+			}
+			if (! $DateTime instanceof DbSafeDateTime) {
+				throw new EE_Error(
+					sprintf(
+						__('"%1$s" does not represent a valid Date Time in the format "%2$s".', 'event_espresso'),
+						$date_string,
+						$format
+					)
+				);
+			}
+		} catch (Exception $e) {
+			// if we made it here then likely then something went really wrong.
+			// Instead of throwing an exception, let's just return a DateTime object for now, in the set timezone.
+			$DateTime = new DbSafeDateTime(\EE_Datetime_Field::now, $this->_DateTimeZone);
+		}
+
+		return $DateTime;
+	}
+
+
+
+	/**
+	 * get_timezone_transitions
+	 *
+	 * @param \DateTimeZone $DateTimeZone
+	 * @param int           $time
+	 * @param bool          $first_only
+	 * @return mixed
+	 */
+	public function get_timezone_transitions(DateTimeZone $DateTimeZone, $time = null, $first_only = true)
+	{
+		return EEH_DTT_Helper::get_timezone_transitions($DateTimeZone, $time, $first_only);
+	}
+
+
+
+	/**
+	 * get_timezone_offset
+	 *
+	 * @param \DateTimeZone $DateTimeZone
+	 * @param int           $time
+	 * @return mixed
+	 * @throws \DomainException
+	 */
+	public function get_timezone_offset(DateTimeZone $DateTimeZone, $time = null)
+	{
+		return EEH_DTT_Helper::get_timezone_offset($DateTimeZone, $time);
+	}
+
+
+	/**
+	 * This will take an incoming timezone string and return the abbreviation for that timezone
+	 *
+	 * @param  string $timezone_string
+	 * @return string           abbreviation
+	 * @throws \EE_Error
+	 */
+	public function get_timezone_abbrev($timezone_string)
+	{
+		$timezone_string = EEH_DTT_Helper::get_valid_timezone_string($timezone_string);
+		$dateTime        = new DateTime(\EE_Datetime_Field::now, new DateTimeZone($timezone_string));
+
+		return $dateTime->format('T');
+	}
+
+	/**
+	 * Overrides the parent to allow for having a dynamic "now" value
+	 *
+	 * @return mixed
+	 */
+	public function get_default_value()
+	{
+		if ($this->_default_value === EE_Datetime_Field::now) {
+			return time();
+		} else {
+			return parent::get_default_value();
+		}
+	}
+
+	/**
+	 * Gets the default datetime object from the field's default time
+	 * @since 4.9.66.p
+	 * @return DbSafeDateTime|null
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function getDefaultDateTimeObj()
+	{
+		$default_raw = $this->get_default_value();
+		if ($default_raw instanceof DateTime) {
+			return $default_raw;
+		} elseif (is_null($default_raw)) {
+			return $default_raw;
+		} else {
+			return new DbSafeDateTime(
+				$this->get_default_value(),
+				EEH_DTT_Helper::get_valid_timezone_string($this->get_timezone())
+			);
+		}
+	}
+
+	public function getSchemaDescription()
+	{
+		return sprintf(
+			esc_html__('%s - the value for this field is in the timezone of the site.', 'event_espresso'),
+			$this->get_nicename()
+		);
+	}
 }

core/libraries/rest_api/calculations/Attendee.php

Indentation +18 added lines, -18 removed lines

@@ -23,22 +23,22 @@
 class Attendee extends Calculations_Base
 {
 
-    /**
-     * @param array           $wpdb_row
-     * @param WP_REST_Request $request
-     * @param Base            $controller
-     * @since 4.9.66.p
-     * @return string
-     */
-    public static function userAvatar(array $wpdb_row, WP_REST_Request $request, Base $controller)
-    {
-        if (is_array($wpdb_row) && isset($wpdb_row['Attendee_Meta.ATT_email'])) {
-            $email_address = $wpdb_row['Attendee_Meta.ATT_email'];
-        }
-        if (empty($email_address)) {
-            return '';
-        }
-        $avatar = get_avatar_url($email_address);
-        return $avatar ? $avatar : '';
-    }
+	/**
+	 * @param array           $wpdb_row
+	 * @param WP_REST_Request $request
+	 * @param Base            $controller
+	 * @since 4.9.66.p
+	 * @return string
+	 */
+	public static function userAvatar(array $wpdb_row, WP_REST_Request $request, Base $controller)
+	{
+		if (is_array($wpdb_row) && isset($wpdb_row['Attendee_Meta.ATT_email'])) {
+			$email_address = $wpdb_row['Attendee_Meta.ATT_email'];
+		}
+		if (empty($email_address)) {
+			return '';
+		}
+		$avatar = get_avatar_url($email_address);
+		return $avatar ? $avatar : '';
+	}
 }

core/helpers/EEH_URL.helper.php

Indentation +260 added lines, -260 removed lines

@@ -12,285 +12,285 @@
 class EEH_URL
 {
 
-    /**
-     * _add_query_arg
-     * adds nonce to array of arguments then calls WP add_query_arg function
-     *
-     * @access public
-     * @param array  $args
-     * @param string $url
-     * @param bool   $exclude_nonce If true then the nonce will be excluded from the generated url.
-     * @return string
-     */
-    public static function add_query_args_and_nonce($args = array(), $url = '', $exclude_nonce = false)
-    {
-        if (empty($url)) {
-            $user_msg = esc_html__(
-                'An error occurred. A URL is a required parameter for the add_query_args_and_nonce method.',
-                'event_espresso'
-            );
-            $dev_msg  = $user_msg . "\n"
-                . sprintf(
-                    esc_html__(
-                        'In order to dynamically generate nonces for your actions, you need to supply a valid URL as a second parameter for the %s method.',
-                        'event_espresso'
-                    ),
-                    __CLASS__ . '::add_query_args_and_nonce'
-                );
-            EE_Error::add_error($user_msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
-        }
-        // check that an action exists and add nonce
-        if (! $exclude_nonce) {
-            if (isset($args['action']) && ! empty($args['action'])) {
-                $args = array_merge(
-                    $args,
-                    array(
-                        $args['action'] . '_nonce' => wp_create_nonce($args['action'] . '_nonce')
-                    )
-                );
-            } else {
-                $args = array_merge(
-                    $args,
-                    array(
-                        'action' => 'default', 'default_nonce' => wp_create_nonce('default_nonce')
-                    )
-                );
-            }
-        }
+	/**
+	 * _add_query_arg
+	 * adds nonce to array of arguments then calls WP add_query_arg function
+	 *
+	 * @access public
+	 * @param array  $args
+	 * @param string $url
+	 * @param bool   $exclude_nonce If true then the nonce will be excluded from the generated url.
+	 * @return string
+	 */
+	public static function add_query_args_and_nonce($args = array(), $url = '', $exclude_nonce = false)
+	{
+		if (empty($url)) {
+			$user_msg = esc_html__(
+				'An error occurred. A URL is a required parameter for the add_query_args_and_nonce method.',
+				'event_espresso'
+			);
+			$dev_msg  = $user_msg . "\n"
+				. sprintf(
+					esc_html__(
+						'In order to dynamically generate nonces for your actions, you need to supply a valid URL as a second parameter for the %s method.',
+						'event_espresso'
+					),
+					__CLASS__ . '::add_query_args_and_nonce'
+				);
+			EE_Error::add_error($user_msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
+		}
+		// check that an action exists and add nonce
+		if (! $exclude_nonce) {
+			if (isset($args['action']) && ! empty($args['action'])) {
+				$args = array_merge(
+					$args,
+					array(
+						$args['action'] . '_nonce' => wp_create_nonce($args['action'] . '_nonce')
+					)
+				);
+			} else {
+				$args = array_merge(
+					$args,
+					array(
+						'action' => 'default', 'default_nonce' => wp_create_nonce('default_nonce')
+					)
+				);
+			}
+		}
 
-        // finally, let's always add a return address (if present) :)
-        $args = ! empty($_REQUEST['action']) && ! isset($_REQUEST['return'])
-            ? array_merge($args, array('return' => $_REQUEST['action']))
-            : $args;
+		// finally, let's always add a return address (if present) :)
+		$args = ! empty($_REQUEST['action']) && ! isset($_REQUEST['return'])
+			? array_merge($args, array('return' => $_REQUEST['action']))
+			: $args;
 
-        return add_query_arg($args, $url);
-    }
+		return add_query_arg($args, $url);
+	}
 
 
-    /**
-     * Returns whether not the remote file exists.
-     * Checking via GET because HEAD requests are blocked on some server configurations.
-     *
-     * @param string  $url
-     * @param array $args  the arguments that should be passed through to the wp_remote_request call.
-     * @return boolean
-     */
-    public static function remote_file_exists($url, $args = array())
-    {
-        $results = wp_remote_request(
-            $url,
-            array_merge(
-                array(
-                    'method'      => 'GET',
-                    'redirection' => 1,
-                ),
-                $args
-            )
-        );
-        if (! $results instanceof WP_Error &&
-            isset($results['response']) &&
-            isset($results['response']['code']) &&
-            $results['response']['code'] == '200') {
-            return true;
-        } else {
-            return false;
-        }
-    }
+	/**
+	 * Returns whether not the remote file exists.
+	 * Checking via GET because HEAD requests are blocked on some server configurations.
+	 *
+	 * @param string  $url
+	 * @param array $args  the arguments that should be passed through to the wp_remote_request call.
+	 * @return boolean
+	 */
+	public static function remote_file_exists($url, $args = array())
+	{
+		$results = wp_remote_request(
+			$url,
+			array_merge(
+				array(
+					'method'      => 'GET',
+					'redirection' => 1,
+				),
+				$args
+			)
+		);
+		if (! $results instanceof WP_Error &&
+			isset($results['response']) &&
+			isset($results['response']['code']) &&
+			$results['response']['code'] == '200') {
+			return true;
+		} else {
+			return false;
+		}
+	}
 
 
-    /**
-     * refactor_url
-     * primarily used for removing the query string from a URL
-     *
-     * @param string $url
-     * @param bool   $remove_query  - TRUE (default) will strip off any URL params, ie: ?this=1&that=2
-     * @param bool   $base_url_only - TRUE will only return the scheme and host with no other parameters
-     * @return string
-     */
-    public static function refactor_url($url = '', $remove_query = true, $base_url_only = false)
-    {
-        // break apart incoming URL
-        $url_bits = parse_url($url);
-        // HTTP or HTTPS ?
-        $scheme = isset($url_bits['scheme']) ? $url_bits['scheme'] . '://' : 'http://';
-        // domain
-        $host = isset($url_bits['host']) ? $url_bits['host'] : '';
-        // if only the base URL is requested, then return that now
-        if ($base_url_only) {
-            return $scheme . $host;
-        }
-        $port = isset($url_bits['port']) ? ':' . $url_bits['port'] : '';
-        $user = isset($url_bits['user']) ? $url_bits['user'] : '';
-        $pass = isset($url_bits['pass']) ? ':' . $url_bits['pass'] : '';
-        $pass = ($user || $pass) ? $pass . '@' : '';
-        $path = isset($url_bits['path']) ? $url_bits['path'] : '';
-        // if the query string is not required, then return what we have so far
-        if ($remove_query) {
-            return $scheme . $user . $pass . $host . $port . $path;
-        }
-        $query    = isset($url_bits['query']) ? '?' . $url_bits['query'] : '';
-        $fragment = isset($url_bits['fragment']) ? '#' . $url_bits['fragment'] : '';
-        return $scheme . $user . $pass . $host . $port . $path . $query . $fragment;
-    }
+	/**
+	 * refactor_url
+	 * primarily used for removing the query string from a URL
+	 *
+	 * @param string $url
+	 * @param bool   $remove_query  - TRUE (default) will strip off any URL params, ie: ?this=1&that=2
+	 * @param bool   $base_url_only - TRUE will only return the scheme and host with no other parameters
+	 * @return string
+	 */
+	public static function refactor_url($url = '', $remove_query = true, $base_url_only = false)
+	{
+		// break apart incoming URL
+		$url_bits = parse_url($url);
+		// HTTP or HTTPS ?
+		$scheme = isset($url_bits['scheme']) ? $url_bits['scheme'] . '://' : 'http://';
+		// domain
+		$host = isset($url_bits['host']) ? $url_bits['host'] : '';
+		// if only the base URL is requested, then return that now
+		if ($base_url_only) {
+			return $scheme . $host;
+		}
+		$port = isset($url_bits['port']) ? ':' . $url_bits['port'] : '';
+		$user = isset($url_bits['user']) ? $url_bits['user'] : '';
+		$pass = isset($url_bits['pass']) ? ':' . $url_bits['pass'] : '';
+		$pass = ($user || $pass) ? $pass . '@' : '';
+		$path = isset($url_bits['path']) ? $url_bits['path'] : '';
+		// if the query string is not required, then return what we have so far
+		if ($remove_query) {
+			return $scheme . $user . $pass . $host . $port . $path;
+		}
+		$query    = isset($url_bits['query']) ? '?' . $url_bits['query'] : '';
+		$fragment = isset($url_bits['fragment']) ? '#' . $url_bits['fragment'] : '';
+		return $scheme . $user . $pass . $host . $port . $path . $query . $fragment;
+	}
 
 
-    /**
-     * get_query_string
-     * returns just the query string from a URL, formatted by default into an array of key value pairs
-     *
-     * @param string $url
-     * @param bool   $as_array TRUE (default) will return query params as an array of key value pairs, FALSE will
-     *                         simply return the query string
-     * @return string|array
-     */
-    public static function get_query_string($url = '', $as_array = true)
-    {
-        // decode, then break apart incoming URL
-        $url_bits = parse_url(html_entity_decode($url));
-        // grab query string from URL
-        $query = isset($url_bits['query']) ? $url_bits['query'] : '';
-        // if we don't want the query string formatted into an array of key => value pairs, then just return it as is
-        if (! $as_array) {
-            return $query;
-        }
-        // if no query string exists then just return an empty array now
-        if (empty($query)) {
-            return array();
-        }
-        // empty array to hold results
-        $query_params = array();
-        // now break apart the query string into separate params
-        $query = explode('&', $query);
-        // loop thru our query params
-        foreach ($query as $query_args) {
-            // break apart the key value pairs
-            $query_args = explode('=', $query_args);
-            // and add to our results array
-            $query_params[ $query_args[0] ] = $query_args[1];
-        }
-        return $query_params;
-    }
+	/**
+	 * get_query_string
+	 * returns just the query string from a URL, formatted by default into an array of key value pairs
+	 *
+	 * @param string $url
+	 * @param bool   $as_array TRUE (default) will return query params as an array of key value pairs, FALSE will
+	 *                         simply return the query string
+	 * @return string|array
+	 */
+	public static function get_query_string($url = '', $as_array = true)
+	{
+		// decode, then break apart incoming URL
+		$url_bits = parse_url(html_entity_decode($url));
+		// grab query string from URL
+		$query = isset($url_bits['query']) ? $url_bits['query'] : '';
+		// if we don't want the query string formatted into an array of key => value pairs, then just return it as is
+		if (! $as_array) {
+			return $query;
+		}
+		// if no query string exists then just return an empty array now
+		if (empty($query)) {
+			return array();
+		}
+		// empty array to hold results
+		$query_params = array();
+		// now break apart the query string into separate params
+		$query = explode('&', $query);
+		// loop thru our query params
+		foreach ($query as $query_args) {
+			// break apart the key value pairs
+			$query_args = explode('=', $query_args);
+			// and add to our results array
+			$query_params[ $query_args[0] ] = $query_args[1];
+		}
+		return $query_params;
+	}
 
 
-    /**
-     * prevent_prefetching
-     *
-     * @return void
-     */
-    public static function prevent_prefetching()
-    {
-        // 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');
-    }
+	/**
+	 * prevent_prefetching
+	 *
+	 * @return void
+	 */
+	public static function prevent_prefetching()
+	{
+		// 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');
+	}
 
 
-    /**
-     * This generates a unique site-specific string.
-     * An example usage for this string would be to save as a unique identifier for a record in the db for usage in
-     * urls.
-     *
-     * @param   string $prefix Use this to prefix the string with something.
-     * @return string
-     */
-    public static function generate_unique_token($prefix = '')
-    {
-        $token = md5(uniqid() . mt_rand());
-        return $prefix ? $prefix . '_' . $token : $token;
-    }
+	/**
+	 * This generates a unique site-specific string.
+	 * An example usage for this string would be to save as a unique identifier for a record in the db for usage in
+	 * urls.
+	 *
+	 * @param   string $prefix Use this to prefix the string with something.
+	 * @return string
+	 */
+	public static function generate_unique_token($prefix = '')
+	{
+		$token = md5(uniqid() . mt_rand());
+		return $prefix ? $prefix . '_' . $token : $token;
+	}
 
 
-    /**
-     * filter_input_server_url
-     * uses filter_input() to sanitize one of the INPUT_SERVER URL values
-     * but adds a backup in case filter_input() returns nothing, which can erringly happen on some servers
-     *
-     * @param string $server_variable
-     * @return string
-     */
-    public static function filter_input_server_url($server_variable = 'REQUEST_URI')
-    {
-        $URL              = '';
-        $server_variables = array(
-            'REQUEST_URI' => 1,
-            'HTTP_HOST'   => 1,
-            'PHP_SELF'    => 1,
-        );
-        $server_variable  = strtoupper($server_variable);
-        // whitelist INPUT_SERVER var
-        if (isset($server_variables[ $server_variable ])) {
-            $URL = filter_input(INPUT_SERVER, $server_variable, FILTER_SANITIZE_URL, FILTER_NULL_ON_FAILURE);
-            if (empty($URL)) {
-                // fallback sanitization if the above fails
-                $URL = wp_sanitize_redirect($_SERVER[ $server_variable ]);
-            }
-        }
-        return $URL;
-    }
+	/**
+	 * filter_input_server_url
+	 * uses filter_input() to sanitize one of the INPUT_SERVER URL values
+	 * but adds a backup in case filter_input() returns nothing, which can erringly happen on some servers
+	 *
+	 * @param string $server_variable
+	 * @return string
+	 */
+	public static function filter_input_server_url($server_variable = 'REQUEST_URI')
+	{
+		$URL              = '';
+		$server_variables = array(
+			'REQUEST_URI' => 1,
+			'HTTP_HOST'   => 1,
+			'PHP_SELF'    => 1,
+		);
+		$server_variable  = strtoupper($server_variable);
+		// whitelist INPUT_SERVER var
+		if (isset($server_variables[ $server_variable ])) {
+			$URL = filter_input(INPUT_SERVER, $server_variable, FILTER_SANITIZE_URL, FILTER_NULL_ON_FAILURE);
+			if (empty($URL)) {
+				// fallback sanitization if the above fails
+				$URL = wp_sanitize_redirect($_SERVER[ $server_variable ]);
+			}
+		}
+		return $URL;
+	}
 
 
-    /**
-     * Gets the current page's full URL.
-     *
-     * @return string
-     */
-    public static function current_url()
-    {
-        $url = '';
-        if (isset($_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI'])) {
-            $url = is_ssl() ? 'https://' : 'http://';
-            $url .= \EEH_URL::filter_input_server_url('HTTP_HOST');
-            $url .= \EEH_URL::filter_input_server_url('REQUEST_URI');
-        }
-        return $url;
-    }
+	/**
+	 * Gets the current page's full URL.
+	 *
+	 * @return string
+	 */
+	public static function current_url()
+	{
+		$url = '';
+		if (isset($_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI'])) {
+			$url = is_ssl() ? 'https://' : 'http://';
+			$url .= \EEH_URL::filter_input_server_url('HTTP_HOST');
+			$url .= \EEH_URL::filter_input_server_url('REQUEST_URI');
+		}
+		return $url;
+	}
 
 
-    /**
-     * Identical in functionality to EEH_current_url except it removes any provided query_parameters from it.
-     *
-     * @param array $query_parameters An array of query_parameters to remove from the current url.
-     * @since 4.9.46.rc.029
-     * @return string
-     */
-    public static function current_url_without_query_paramaters(array $query_parameters)
-    {
-        return remove_query_arg($query_parameters, EEH_URL::current_url());
-    }
+	/**
+	 * Identical in functionality to EEH_current_url except it removes any provided query_parameters from it.
+	 *
+	 * @param array $query_parameters An array of query_parameters to remove from the current url.
+	 * @since 4.9.46.rc.029
+	 * @return string
+	 */
+	public static function current_url_without_query_paramaters(array $query_parameters)
+	{
+		return remove_query_arg($query_parameters, EEH_URL::current_url());
+	}
 
 
-    /**
-     * @param string $location
-     * @param int    $status
-     * @param string $exit_notice
-     */
-    public static function safeRedirectAndExit($location, $status = 302, $exit_notice = '')
-    {
-        EE_Error::get_notices(false, true);
-        wp_safe_redirect($location, $status);
-        exit($exit_notice);
-    }
+	/**
+	 * @param string $location
+	 * @param int    $status
+	 * @param string $exit_notice
+	 */
+	public static function safeRedirectAndExit($location, $status = 302, $exit_notice = '')
+	{
+		EE_Error::get_notices(false, true);
+		wp_safe_redirect($location, $status);
+		exit($exit_notice);
+	}
 
-    /**
-     * Slugifies text for usage in a URL.
-     *
-     * Currently, this isn't just calling `sanitize_title()` on it, because that percent-encodes unicode characters,
-     * and WordPress chokes on them when used as CPT and custom taxonomy slugs.
-     *
-     * @since 4.9.66.p
-     * @param string $text
-     * @param string $fallback
-     * @return string which can be used in a URL
-     */
-    public static function slugify($text, $fallback)
-    {
-        // url decode after sanitizing title to restore unicode characters,
-        // see https://github.com/eventespresso/event-espresso-core/issues/575
-        return urldecode(
-            sanitize_title(
-                $text,
-                $fallback
-            )
-        );
-    }
+	/**
+	 * Slugifies text for usage in a URL.
+	 *
+	 * Currently, this isn't just calling `sanitize_title()` on it, because that percent-encodes unicode characters,
+	 * and WordPress chokes on them when used as CPT and custom taxonomy slugs.
+	 *
+	 * @since 4.9.66.p
+	 * @param string $text
+	 * @param string $fallback
+	 * @return string which can be used in a URL
+	 */
+	public static function slugify($text, $fallback)
+	{
+		// url decode after sanitizing title to restore unicode characters,
+		// see https://github.com/eventespresso/event-espresso-core/issues/575
+		return urldecode(
+			sanitize_title(
+				$text,
+				$fallback
+			)
+		);
+	}
 }

modules/single_page_checkout/EED_Single_Page_Checkout.module.php

Indentation +1796 added lines, -1796 removed lines

@@ -15,1800 +15,1800 @@
 class EED_Single_Page_Checkout extends EED_Module
 {
 
-    /**
-     * $_initialized - has the SPCO controller already been initialized ?
-     *
-     * @access private
-     * @var bool $_initialized
-     */
-    private static $_initialized = false;
-
-
-    /**
-     * $_checkout_verified - is the EE_Checkout verified as correct for this request ?
-     *
-     * @access private
-     * @var bool $_valid_checkout
-     */
-    private static $_checkout_verified = true;
-
-    /**
-     *    $_reg_steps_array - holds initial array of reg steps
-     *
-     * @access private
-     * @var array $_reg_steps_array
-     */
-    private static $_reg_steps_array = array();
-
-    /**
-     *    $checkout - EE_Checkout object for handling the properties of the current checkout process
-     *
-     * @access public
-     * @var EE_Checkout $checkout
-     */
-    public $checkout;
-
-
-    /**
-     * @return EED_Module|EED_Single_Page_Checkout
-     */
-    public static function instance()
-    {
-        add_filter('EED_Single_Page_Checkout__SPCO_active', '__return_true');
-        return parent::get_instance(__CLASS__);
-    }
-
-
-    /**
-     * @return EE_CART
-     */
-    public function cart()
-    {
-        return $this->checkout->cart;
-    }
-
-
-    /**
-     * @return EE_Transaction
-     */
-    public function transaction()
-    {
-        return $this->checkout->transaction;
-    }
-
-
-    /**
-     *    set_hooks - for hooking into EE Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     * @throws EE_Error
-     */
-    public static function set_hooks()
-    {
-        EED_Single_Page_Checkout::set_definitions();
-    }
-
-
-    /**
-     *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     * @throws EE_Error
-     */
-    public static function set_hooks_admin()
-    {
-        EED_Single_Page_Checkout::set_definitions();
-        if (! (defined('DOING_AJAX') && DOING_AJAX)) {
-            return;
-        }
-        // going to start an output buffer in case anything gets accidentally output
-        // that might disrupt our JSON response
-        ob_start();
-        EED_Single_Page_Checkout::load_request_handler();
-        EED_Single_Page_Checkout::load_reg_steps();
-        // set ajax hooks
-        add_action('wp_ajax_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
-        add_action('wp_ajax_nopriv_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
-        add_action('wp_ajax_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
-        add_action('wp_ajax_nopriv_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
-        add_action('wp_ajax_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
-        add_action('wp_ajax_nopriv_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
-    }
-
-
-    /**
-     *    process ajax request
-     *
-     * @param string $ajax_action
-     * @throws EE_Error
-     */
-    public static function process_ajax_request($ajax_action)
-    {
-        EE_Registry::instance()->REQ->set('action', $ajax_action);
-        EED_Single_Page_Checkout::instance()->_initialize();
-    }
-
-
-    /**
-     *    ajax display registration step
-     *
-     * @throws EE_Error
-     */
-    public static function display_reg_step()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('display_spco_reg_step');
-    }
-
-
-    /**
-     *    ajax process registration step
-     *
-     * @throws EE_Error
-     */
-    public static function process_reg_step()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('process_reg_step');
-    }
-
-
-    /**
-     *    ajax process registration step
-     *
-     * @throws EE_Error
-     */
-    public static function update_reg_step()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('update_reg_step');
-    }
-
-
-    /**
-     *   update_checkout
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     */
-    public static function update_checkout()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('update_checkout');
-    }
-
-
-    /**
-     *    load_request_handler
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function load_request_handler()
-    {
-        // load core Request_Handler class
-        if (EE_Registry::instance()->REQ !== null) {
-            EE_Registry::instance()->load_core('Request_Handler');
-        }
-    }
-
-
-    /**
-     *    set_definitions
-     *
-     * @access    public
-     * @return    void
-     * @throws EE_Error
-     */
-    public static function set_definitions()
-    {
-        if (defined('SPCO_BASE_PATH')) {
-            return;
-        }
-        define(
-            'SPCO_BASE_PATH',
-            rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS) . DS
-        );
-        define('SPCO_CSS_URL', plugin_dir_url(__FILE__) . 'css' . DS);
-        define('SPCO_IMG_URL', plugin_dir_url(__FILE__) . 'img' . DS);
-        define('SPCO_JS_URL', plugin_dir_url(__FILE__) . 'js' . DS);
-        define('SPCO_INC_PATH', SPCO_BASE_PATH . 'inc' . DS);
-        define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH . 'reg_steps' . DS);
-        define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH . 'templates' . DS);
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(SPCO_BASE_PATH, true);
-        EE_Registry::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice(
-        );
-    }
-
-
-    /**
-     * load_reg_steps
-     * loads and instantiates each reg step based on the EE_Registry::instance()->CFG->registration->reg_steps array
-     *
-     * @access    private
-     * @throws EE_Error
-     */
-    public static function load_reg_steps()
-    {
-        static $reg_steps_loaded = false;
-        if ($reg_steps_loaded) {
-            return;
-        }
-        // filter list of reg_steps
-        $reg_steps_to_load = (array) apply_filters(
-            'AHEE__SPCO__load_reg_steps__reg_steps_to_load',
-            EED_Single_Page_Checkout::get_reg_steps()
-        );
-        // sort by key (order)
-        ksort($reg_steps_to_load);
-        // loop through folders
-        foreach ($reg_steps_to_load as $order => $reg_step) {
-            // we need a
-            if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
-                // copy over to the reg_steps_array
-                EED_Single_Page_Checkout::$_reg_steps_array[ $order ] = $reg_step;
-                // register custom key route for each reg step
-                // ie: step=>"slug" - this is the entire reason we load the reg steps array now
-                EE_Config::register_route(
-                    $reg_step['slug'],
-                    'EED_Single_Page_Checkout',
-                    'run',
-                    'step'
-                );
-                // add AJAX or other hooks
-                if (isset($reg_step['has_hooks']) && $reg_step['has_hooks']) {
-                    // setup autoloaders if necessary
-                    if (! class_exists($reg_step['class_name'])) {
-                        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(
-                            $reg_step['file_path'],
-                            true
-                        );
-                    }
-                    if (is_callable($reg_step['class_name'], 'set_hooks')) {
-                        call_user_func(array($reg_step['class_name'], 'set_hooks'));
-                    }
-                }
-            }
-        }
-        $reg_steps_loaded = true;
-    }
-
-
-    /**
-     *    get_reg_steps
-     *
-     * @access    public
-     * @return    array
-     */
-    public static function get_reg_steps()
-    {
-        $reg_steps = EE_Registry::instance()->CFG->registration->reg_steps;
-        if (empty($reg_steps)) {
-            $reg_steps = array(
-                10  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'attendee_information',
-                    'class_name' => 'EE_SPCO_Reg_Step_Attendee_Information',
-                    'slug'       => 'attendee_information',
-                    'has_hooks'  => false,
-                ),
-                30  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'payment_options',
-                    'class_name' => 'EE_SPCO_Reg_Step_Payment_Options',
-                    'slug'       => 'payment_options',
-                    'has_hooks'  => true,
-                ),
-                999 => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'finalize_registration',
-                    'class_name' => 'EE_SPCO_Reg_Step_Finalize_Registration',
-                    'slug'       => 'finalize_registration',
-                    'has_hooks'  => false,
-                ),
-            );
-        }
-        return $reg_steps;
-    }
-
-
-    /**
-     *    registration_checkout_for_admin
-     *
-     * @access    public
-     * @return    string
-     * @throws EE_Error
-     */
-    public static function registration_checkout_for_admin()
-    {
-        EED_Single_Page_Checkout::load_request_handler();
-        EE_Registry::instance()->REQ->set('step', 'attendee_information');
-        EE_Registry::instance()->REQ->set('action', 'display_spco_reg_step');
-        EE_Registry::instance()->REQ->set('process_form_submission', false);
-        EED_Single_Page_Checkout::instance()->_initialize();
-        EED_Single_Page_Checkout::instance()->_display_spco_reg_form();
-        return EE_Registry::instance()->REQ->get_output();
-    }
-
-
-    /**
-     * process_registration_from_admin
-     *
-     * @access public
-     * @return \EE_Transaction
-     * @throws EE_Error
-     */
-    public static function process_registration_from_admin()
-    {
-        EED_Single_Page_Checkout::load_request_handler();
-        EE_Registry::instance()->REQ->set('step', 'attendee_information');
-        EE_Registry::instance()->REQ->set('action', 'process_reg_step');
-        EE_Registry::instance()->REQ->set('process_form_submission', true);
-        EED_Single_Page_Checkout::instance()->_initialize();
-        if (EED_Single_Page_Checkout::instance()->checkout->current_step->completed()) {
-            $final_reg_step = end(EED_Single_Page_Checkout::instance()->checkout->reg_steps);
-            if ($final_reg_step instanceof EE_SPCO_Reg_Step_Finalize_Registration) {
-                EED_Single_Page_Checkout::instance()->checkout->set_reg_step_initiated($final_reg_step);
-                if ($final_reg_step->process_reg_step()) {
-                    $final_reg_step->set_completed();
-                    EED_Single_Page_Checkout::instance()->checkout->update_txn_reg_steps_array();
-                    return EED_Single_Page_Checkout::instance()->checkout->transaction;
-                }
-            }
-        }
-        return null;
-    }
-
-
-    /**
-     *    run
-     *
-     * @access    public
-     * @param WP_Query $WP_Query
-     * @return    void
-     * @throws EE_Error
-     */
-    public function run($WP_Query)
-    {
-        if ($WP_Query instanceof WP_Query
-            && $WP_Query->is_main_query()
-            && apply_filters('FHEE__EED_Single_Page_Checkout__run', true)
-            && $this->_is_reg_checkout()
-        ) {
-            $this->_initialize();
-        }
-    }
-
-
-    /**
-     * determines whether current url matches reg page url
-     *
-     * @return bool
-     */
-    protected function _is_reg_checkout()
-    {
-        // get current permalink for reg page without any extra query args
-        $reg_page_url = \get_permalink(EE_Config::instance()->core->reg_page_id);
-        // get request URI for current request, but without the scheme or host
-        $current_request_uri = \EEH_URL::filter_input_server_url('REQUEST_URI');
-        $current_request_uri = html_entity_decode($current_request_uri);
-        // get array of query args from the current request URI
-        $query_args = \EEH_URL::get_query_string($current_request_uri);
-        // grab page id if it is set
-        $page_id = isset($query_args['page_id']) ? absint($query_args['page_id']) : 0;
-        // and remove the page id from the query args (we will re-add it later)
-        unset($query_args['page_id']);
-        // now strip all query args from current request URI
-        $current_request_uri = remove_query_arg(array_keys($query_args), $current_request_uri);
-        // and re-add the page id if it was set
-        if ($page_id) {
-            $current_request_uri = add_query_arg('page_id', $page_id, $current_request_uri);
-        }
-        // remove slashes and ?
-        $current_request_uri = trim($current_request_uri, '?/');
-        // is current request URI part of the known full reg page URL ?
-        return ! empty($current_request_uri) && strpos($reg_page_url, $current_request_uri) !== false;
-    }
-
-
-    /**
-     * @param WP_Query $wp_query
-     * @return    void
-     * @throws EE_Error
-     */
-    public static function init($wp_query)
-    {
-        EED_Single_Page_Checkout::instance()->run($wp_query);
-    }
-
-
-    /**
-     *    _initialize - initial module setup
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return    void
-     */
-    private function _initialize()
-    {
-        // ensure SPCO doesn't run twice
-        if (EED_Single_Page_Checkout::$_initialized) {
-            return;
-        }
-        try {
-            EED_Single_Page_Checkout::load_reg_steps();
-            $this->_verify_session();
-            // setup the EE_Checkout object
-            $this->checkout = $this->_initialize_checkout();
-            // filter checkout
-            $this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize__checkout', $this->checkout);
-            // get the $_GET
-            $this->_get_request_vars();
-            if ($this->_block_bots()) {
-                return;
-            }
-            // filter continue_reg
-            $this->checkout->continue_reg = apply_filters(
-                'FHEE__EED_Single_Page_Checkout__init___continue_reg',
-                true,
-                $this->checkout
-            );
-            // load the reg steps array
-            if (! $this->_load_and_instantiate_reg_steps()) {
-                EED_Single_Page_Checkout::$_initialized = true;
-                return;
-            }
-            // set the current step
-            $this->checkout->set_current_step($this->checkout->step);
-            // and the next step
-            $this->checkout->set_next_step();
-            // verify that everything has been setup correctly
-            if (! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
-                EED_Single_Page_Checkout::$_initialized = true;
-                return;
-            }
-            // lock the transaction
-            $this->checkout->transaction->lock();
-            // make sure all of our cached objects are added to their respective model entity mappers
-            $this->checkout->refresh_all_entities();
-            // set amount owing
-            $this->checkout->amount_owing = $this->checkout->transaction->remaining();
-            // initialize each reg step, which gives them the chance to potentially alter the process
-            $this->_initialize_reg_steps();
-            // DEBUG LOG
-            // $this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
-            // get reg form
-            if (! $this->_check_form_submission()) {
-                EED_Single_Page_Checkout::$_initialized = true;
-                return;
-            }
-            // checkout the action!!!
-            $this->_process_form_action();
-            // add some style and make it dance
-            $this->add_styles_and_scripts();
-            // kk... SPCO has successfully run
-            EED_Single_Page_Checkout::$_initialized = true;
-            // set no cache headers and constants
-            EE_System::do_not_cache();
-            // add anchor
-            add_action('loop_start', array($this, 'set_checkout_anchor'), 1);
-            // remove transaction lock
-            add_action('shutdown', array($this, 'unlock_transaction'), 1);
-        } catch (Exception $e) {
-            EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-        }
-    }
-
-
-    /**
-     *    _verify_session
-     * checks that the session is valid and not expired
-     *
-     * @access    private
-     * @throws EE_Error
-     */
-    private function _verify_session()
-    {
-        if (! EE_Registry::instance()->SSN instanceof EE_Session) {
-            throw new EE_Error(__('The EE_Session class could not be loaded.', 'event_espresso'));
-        }
-        $clear_session_requested = filter_var(
-            EE_Registry::instance()->REQ->get('clear_session', false),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // is session still valid ?
-        if ($clear_session_requested
-            || (EE_Registry::instance()->SSN->expired()
-                && EE_Registry::instance()->REQ->get('e_reg_url_link', '') === ''
-            )
-        ) {
-            $this->checkout = new EE_Checkout();
-            EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
-            // EE_Registry::instance()->SSN->reset_cart();
-            // EE_Registry::instance()->SSN->reset_checkout();
-            // EE_Registry::instance()->SSN->reset_transaction();
-            if (! $clear_session_requested) {
-                EE_Error::add_attention(
-                    EE_Registry::$i18n_js_strings['registration_expiration_notice'],
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-            // EE_Registry::instance()->SSN->reset_expired();
-        }
-    }
-
-
-    /**
-     *    _initialize_checkout
-     * loads and instantiates EE_Checkout
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return EE_Checkout
-     */
-    private function _initialize_checkout()
-    {
-        // look in session for existing checkout
-        /** @type EE_Checkout $checkout */
-        $checkout = EE_Registry::instance()->SSN->checkout();
-        // verify
-        if (! $checkout instanceof EE_Checkout) {
-            // instantiate EE_Checkout object for handling the properties of the current checkout process
-            $checkout = EE_Registry::instance()->load_file(
-                SPCO_INC_PATH,
-                'EE_Checkout',
-                'class',
-                array(),
-                false
-            );
-        } else {
-            if ($checkout->current_step->is_final_step() && $checkout->exit_spco() === true) {
-                $this->unlock_transaction();
-                wp_safe_redirect($checkout->redirect_url);
-                exit();
-            }
-        }
-        $checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize_checkout__checkout', $checkout);
-        // verify again
-        if (! $checkout instanceof EE_Checkout) {
-            throw new EE_Error(__('The EE_Checkout class could not be loaded.', 'event_espresso'));
-        }
-        // reset anything that needs a clean slate for each request
-        $checkout->reset_for_current_request();
-        return $checkout;
-    }
-
-
-    /**
-     *    _get_request_vars
-     *
-     * @access    private
-     * @return    void
-     * @throws EE_Error
-     */
-    private function _get_request_vars()
-    {
-        // load classes
-        EED_Single_Page_Checkout::load_request_handler();
-        // make sure this request is marked as belonging to EE
-        EE_Registry::instance()->REQ->set_espresso_page(true);
-        // which step is being requested ?
-        $this->checkout->step = EE_Registry::instance()->REQ->get('step', $this->_get_first_step());
-        // which step is being edited ?
-        $this->checkout->edit_step = EE_Registry::instance()->REQ->get('edit_step', '');
-        // and what we're doing on the current step
-        $this->checkout->action = EE_Registry::instance()->REQ->get('action', 'display_spco_reg_step');
-        // timestamp
-        $this->checkout->uts = EE_Registry::instance()->REQ->get('uts', 0);
-        // returning to edit ?
-        $this->checkout->reg_url_link = EE_Registry::instance()->REQ->get('e_reg_url_link', '');
-        // add reg url link to registration query params
-        if ($this->checkout->reg_url_link && strpos($this->checkout->reg_url_link, '1-') !== 0) {
-            $this->checkout->reg_cache_where_params[0]['REG_url_link'] = $this->checkout->reg_url_link;
-        }
-        // or some other kind of revisit ?
-        $this->checkout->revisit = filter_var(
-            EE_Registry::instance()->REQ->get('revisit', false),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // and whether or not to generate a reg form for this request
-        $this->checkout->generate_reg_form = filter_var(
-            EE_Registry::instance()->REQ->get('generate_reg_form', true),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // and whether or not to process a reg form submission for this request
-        $this->checkout->process_form_submission = filter_var(
-            EE_Registry::instance()->REQ->get(
-                'process_form_submission',
-                $this->checkout->action === 'process_reg_step'
-            ),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        $this->checkout->process_form_submission = filter_var(
-            $this->checkout->action !== 'display_spco_reg_step'
-                ? $this->checkout->process_form_submission
-                : false,
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // $this->_display_request_vars();
-    }
-
-
-    /**
-     *  _display_request_vars
-     *
-     * @access    protected
-     * @return    void
-     */
-    protected function _display_request_vars()
-    {
-        if (! WP_DEBUG) {
-            return;
-        }
-        EEH_Debug_Tools::printr($_REQUEST, '$_REQUEST', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->step, '$this->checkout->step', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->edit_step, '$this->checkout->edit_step', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->action, '$this->checkout->action', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->reg_url_link, '$this->checkout->reg_url_link', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->revisit, '$this->checkout->revisit', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr(
-            $this->checkout->generate_reg_form,
-            '$this->checkout->generate_reg_form',
-            __FILE__,
-            __LINE__
-        );
-        EEH_Debug_Tools::printr(
-            $this->checkout->process_form_submission,
-            '$this->checkout->process_form_submission',
-            __FILE__,
-            __LINE__
-        );
-    }
-
-
-    /**
-     * _block_bots
-     * checks that the incoming request has either of the following set:
-     *  a uts (unix timestamp) which indicates that the request was redirected from the Ticket Selector
-     *  a REG URL Link, which indicates that the request is a return visit to SPCO for a valid TXN
-     * so if you're not coming from the Ticket Selector nor returning for a valid IP...
-     * then where you coming from man?
-     *
-     * @return boolean
-     */
-    private function _block_bots()
-    {
-        $invalid_checkout_access = EED_Invalid_Checkout_Access::getInvalidCheckoutAccess();
-        if ($invalid_checkout_access->checkoutAccessIsInvalid($this->checkout)) {
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     *    _get_first_step
-     *  gets slug for first step in $_reg_steps_array
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return    string
-     */
-    private function _get_first_step()
-    {
-        $first_step = reset(EED_Single_Page_Checkout::$_reg_steps_array);
-        return isset($first_step['slug']) ? $first_step['slug'] : 'attendee_information';
-    }
-
-
-    /**
-     * instantiates each reg step based on the loaded reg_steps array
-     *
-     * @return    bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private function _load_and_instantiate_reg_steps()
-    {
-        do_action('AHEE__Single_Page_Checkout___load_and_instantiate_reg_steps__start', $this->checkout);
-        // have reg_steps already been instantiated ?
-        if (empty($this->checkout->reg_steps)
-            || apply_filters('FHEE__Single_Page_Checkout__load_reg_steps__reload_reg_steps', false, $this->checkout)
-        ) {
-            // if not, then loop through raw reg steps array
-            foreach (EED_Single_Page_Checkout::$_reg_steps_array as $order => $reg_step) {
-                if (! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
-                    return false;
-                }
-            }
-            if (isset($this->checkout->reg_steps['registration_confirmation'])) {
-                // skip the registration_confirmation page ?
-                if (EE_Registry::instance()->CFG->registration->skip_reg_confirmation) {
-                    // just remove it from the reg steps array
-                    $this->checkout->remove_reg_step('registration_confirmation', false);
-                } elseif (EE_Registry::instance()->CFG->registration->reg_confirmation_last
-                ) {
-                    // set the order to something big like 100
-                    $this->checkout->set_reg_step_order('registration_confirmation', 100);
-                }
-            }
-            // filter the array for good luck
-            $this->checkout->reg_steps = apply_filters(
-                'FHEE__Single_Page_Checkout__load_reg_steps__reg_steps',
-                $this->checkout->reg_steps
-            );
-            // finally re-sort based on the reg step class order properties
-            $this->checkout->sort_reg_steps();
-        } else {
-            foreach ($this->checkout->reg_steps as $reg_step) {
-                // set all current step stati to FALSE
-                $reg_step->set_is_current_step(false);
-            }
-        }
-        if (empty($this->checkout->reg_steps)) {
-            EE_Error::add_error(
-                __('No Reg Steps were loaded..', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        // make reg step details available to JS
-        $this->checkout->set_reg_step_JSON_info();
-        return true;
-    }
-
-
-    /**
-     *     _load_and_instantiate_reg_step
-     *
-     * @access    private
-     * @param array $reg_step
-     * @param int   $order
-     * @return bool
-     */
-    private function _load_and_instantiate_reg_step($reg_step = array(), $order = 0)
-    {
-        // we need a file_path, class_name, and slug to add a reg step
-        if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
-            // if editing a specific step, but this is NOT that step... (and it's not the 'finalize_registration' step)
-            if ($this->checkout->reg_url_link
-                && $this->checkout->step !== $reg_step['slug']
-                && $reg_step['slug'] !== 'finalize_registration'
-                // normally at this point we would NOT load the reg step, but this filter can change that
-                && apply_filters(
-                    'FHEE__Single_Page_Checkout___load_and_instantiate_reg_step__bypass_reg_step',
-                    true,
-                    $reg_step,
-                    $this->checkout
-                )
-            ) {
-                return true;
-            }
-            // instantiate step class using file path and class name
-            $reg_step_obj = EE_Registry::instance()->load_file(
-                $reg_step['file_path'],
-                $reg_step['class_name'],
-                'class',
-                $this->checkout,
-                false
-            );
-            // did we gets the goods ?
-            if ($reg_step_obj instanceof EE_SPCO_Reg_Step) {
-                // set reg step order based on config
-                $reg_step_obj->set_order($order);
-                // add instantiated reg step object to the master reg steps array
-                $this->checkout->add_reg_step($reg_step_obj);
-            } else {
-                EE_Error::add_error(
-                    __('The current step could not be set.', 'event_espresso'),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-        } else {
-            if (WP_DEBUG) {
-                EE_Error::add_error(
-                    sprintf(
-                        __(
-                            'A registration step could not be loaded. One or more of the following data points is invalid:%4$s%5$sFile Path: %1$s%6$s%5$sClass Name: %2$s%6$s%5$sSlug: %3$s%6$s%7$s',
-                            'event_espresso'
-                        ),
-                        isset($reg_step['file_path']) ? $reg_step['file_path'] : '',
-                        isset($reg_step['class_name']) ? $reg_step['class_name'] : '',
-                        isset($reg_step['slug']) ? $reg_step['slug'] : '',
-                        '<ul>',
-                        '<li>',
-                        '</li>',
-                        '</ul>'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-            return false;
-        }
-        return true;
-    }
-
-
-    /**
-     * _verify_transaction_and_get_registrations
-     *
-     * @access private
-     * @return bool
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @throws EE_Error
-     */
-    private function _verify_transaction_and_get_registrations()
-    {
-        // was there already a valid transaction in the checkout from the session ?
-        if (! $this->checkout->transaction instanceof EE_Transaction) {
-            // get transaction from db or session
-            $this->checkout->transaction = $this->checkout->reg_url_link && ! is_admin()
-                ? $this->_get_transaction_and_cart_for_previous_visit()
-                : $this->_get_cart_for_current_session_and_setup_new_transaction();
-            if (! $this->checkout->transaction instanceof EE_Transaction) {
-                EE_Error::add_error(
-                    __(
-                        'Your Registration and Transaction information could not be retrieved from the db.',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                $this->checkout->transaction = EE_Transaction::new_instance();
-                // add some style and make it dance
-                $this->add_styles_and_scripts();
-                EED_Single_Page_Checkout::$_initialized = true;
-                return false;
-            }
-            // and the registrations for the transaction
-            $this->_get_registrations($this->checkout->transaction);
-        }
-        return true;
-    }
-
-
-    /**
-     * _get_transaction_and_cart_for_previous_visit
-     *
-     * @access private
-     * @return mixed EE_Transaction|NULL
-     */
-    private function _get_transaction_and_cart_for_previous_visit()
-    {
-        /** @var $TXN_model EEM_Transaction */
-        $TXN_model = EE_Registry::instance()->load_model('Transaction');
-        // because the reg_url_link is present in the request,
-        // this is a return visit to SPCO, so we'll get the transaction data from the db
-        $transaction = $TXN_model->get_transaction_from_reg_url_link($this->checkout->reg_url_link);
-        // verify transaction
-        if ($transaction instanceof EE_Transaction) {
-            // and get the cart that was used for that transaction
-            $this->checkout->cart = $this->_get_cart_for_transaction($transaction);
-            return $transaction;
-        }
-        EE_Error::add_error(
-            __('Your Registration and Transaction information could not be retrieved from the db.', 'event_espresso'),
-            __FILE__,
-            __FUNCTION__,
-            __LINE__
-        );
-        return null;
-    }
-
-
-    /**
-     * _get_cart_for_transaction
-     *
-     * @access private
-     * @param EE_Transaction $transaction
-     * @return EE_Cart
-     */
-    private function _get_cart_for_transaction($transaction)
-    {
-        return $this->checkout->get_cart_for_transaction($transaction);
-    }
-
-
-    /**
-     * get_cart_for_transaction
-     *
-     * @access public
-     * @param EE_Transaction $transaction
-     * @return EE_Cart
-     */
-    public function get_cart_for_transaction(EE_Transaction $transaction)
-    {
-        return $this->checkout->get_cart_for_transaction($transaction);
-    }
-
-
-    /**
-     * _get_transaction_and_cart_for_current_session
-     *    generates a new EE_Transaction object and adds it to the $_transaction property.
-     *
-     * @access private
-     * @return EE_Transaction
-     * @throws EE_Error
-     */
-    private function _get_cart_for_current_session_and_setup_new_transaction()
-    {
-        //  if there's no transaction, then this is the FIRST visit to SPCO
-        // so load up the cart ( passing nothing for the TXN because it doesn't exist yet )
-        $this->checkout->cart = $this->_get_cart_for_transaction(null);
-        // and then create a new transaction
-        $transaction = $this->_initialize_transaction();
-        // verify transaction
-        if ($transaction instanceof EE_Transaction) {
-            // save it so that we have an ID for other objects to use
-            $transaction->save();
-            // and save TXN data to the cart
-            $this->checkout->cart->get_grand_total()->save_this_and_descendants_to_txn($transaction->ID());
-        } else {
-            EE_Error::add_error(
-                __('A Valid Transaction could not be initialized.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-        }
-        return $transaction;
-    }
-
-
-    /**
-     *    generates a new EE_Transaction object and adds it to the $_transaction property.
-     *
-     * @access private
-     * @return mixed EE_Transaction|NULL
-     */
-    private function _initialize_transaction()
-    {
-        try {
-            // ensure cart totals have been calculated
-            $this->checkout->cart->get_grand_total()->recalculate_total_including_taxes();
-            // grab the cart grand total
-            $cart_total = $this->checkout->cart->get_cart_grand_total();
-            // create new TXN
-            $transaction = EE_Transaction::new_instance(
-                array(
-                    'TXN_reg_steps' => $this->checkout->initialize_txn_reg_steps_array(),
-                    'TXN_total'     => $cart_total > 0 ? $cart_total : 0,
-                    'TXN_paid'      => 0,
-                    'STS_ID'        => EEM_Transaction::failed_status_code,
-                )
-            );
-            // save it so that we have an ID for other objects to use
-            $transaction->save();
-            // set cron job for following up on TXNs after their session has expired
-            EE_Cron_Tasks::schedule_expired_transaction_check(
-                EE_Registry::instance()->SSN->expiration() + 1,
-                $transaction->ID()
-            );
-            return $transaction;
-        } catch (Exception $e) {
-            EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-        }
-        return null;
-    }
-
-
-    /**
-     * _get_registrations
-     *
-     * @access private
-     * @param EE_Transaction $transaction
-     * @return void
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @throws EE_Error
-     */
-    private function _get_registrations(EE_Transaction $transaction)
-    {
-        // first step: grab the registrants  { : o
-        $registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
-        $this->checkout->total_ticket_count = count($registrations);
-        // verify registrations have been set
-        if (empty($registrations)) {
-            // if no cached registrations, then check the db
-            $registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
-            // still nothing ? well as long as this isn't a revisit
-            if (empty($registrations) && ! $this->checkout->revisit) {
-                // generate new registrations from scratch
-                $registrations = $this->_initialize_registrations($transaction);
-            }
-        }
-        // sort by their original registration order
-        usort($registrations, array('EED_Single_Page_Checkout', 'sort_registrations_by_REG_count'));
-        // then loop thru the array
-        foreach ($registrations as $registration) {
-            // verify each registration
-            if ($registration instanceof EE_Registration) {
-                // we display all attendee info for the primary registrant
-                if ($this->checkout->reg_url_link === $registration->reg_url_link()
-                    && $registration->is_primary_registrant()
-                ) {
-                    $this->checkout->primary_revisit = true;
-                    break;
-                }
-                if ($this->checkout->revisit && $this->checkout->reg_url_link !== $registration->reg_url_link()) {
-                    // but hide info if it doesn't belong to you
-                    $transaction->clear_cache('Registration', $registration->ID());
-                    $this->checkout->total_ticket_count--;
-                }
-                $this->checkout->set_reg_status_updated($registration->ID(), false);
-            }
-        }
-    }
-
-
-    /**
-     *    adds related EE_Registration objects for each ticket in the cart to the current EE_Transaction object
-     *
-     * @access private
-     * @param EE_Transaction $transaction
-     * @return    array
-     * @throws InvalidDataTypeException
-     * @throws InvalidEntityException
-     * @throws EE_Error
-     */
-    private function _initialize_registrations(EE_Transaction $transaction)
-    {
-        $att_nmbr = 0;
-        $registrations = array();
-        if ($transaction instanceof EE_Transaction) {
-            /** @type EE_Registration_Processor $registration_processor */
-            $registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
-            $this->checkout->total_ticket_count = $this->checkout->cart->all_ticket_quantity_count();
-            // now let's add the cart items to the $transaction
-            foreach ($this->checkout->cart->get_tickets() as $line_item) {
-                // do the following for each ticket of this type they selected
-                for ($x = 1; $x <= $line_item->quantity(); $x++) {
-                    $att_nmbr++;
-                    /** @var EventEspresso\core\services\commands\registration\CreateRegistrationCommand $CreateRegistrationCommand */
-                    $CreateRegistrationCommand = EE_Registry::instance()->create(
-                        'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
-                        array(
-                            $transaction,
-                            $line_item,
-                            $att_nmbr,
-                            $this->checkout->total_ticket_count,
-                        )
-                    );
-                    // override capabilities for frontend registrations
-                    if (! is_admin()) {
-                        $CreateRegistrationCommand->setCapCheck(
-                            new PublicCapabilities('', 'create_new_registration')
-                        );
-                    }
-                    $registration = EE_Registry::instance()->BUS->execute($CreateRegistrationCommand);
-                    if (! $registration instanceof EE_Registration) {
-                        throw new InvalidEntityException($registration, 'EE_Registration');
-                    }
-                    $registrations[ $registration->ID() ] = $registration;
-                }
-            }
-            $registration_processor->fix_reg_final_price_rounding_issue($transaction);
-        }
-        return $registrations;
-    }
-
-
-    /**
-     * sorts registrations by REG_count
-     *
-     * @access public
-     * @param EE_Registration $reg_A
-     * @param EE_Registration $reg_B
-     * @return int
-     */
-    public static function sort_registrations_by_REG_count(EE_Registration $reg_A, EE_Registration $reg_B)
-    {
-        // this shouldn't ever happen within the same TXN, but oh well
-        if ($reg_A->count() === $reg_B->count()) {
-            return 0;
-        }
-        return ($reg_A->count() > $reg_B->count()) ? 1 : -1;
-    }
-
-
-    /**
-     *    _final_verifications
-     * just makes sure that everything is set up correctly before proceeding
-     *
-     * @access    private
-     * @return    bool
-     * @throws EE_Error
-     */
-    private function _final_verifications()
-    {
-        // filter checkout
-        $this->checkout = apply_filters(
-            'FHEE__EED_Single_Page_Checkout___final_verifications__checkout',
-            $this->checkout
-        );
-        // verify that current step is still set correctly
-        if (! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
-            EE_Error::add_error(
-                __(
-                    'We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        // if returning to SPCO, then verify that primary registrant is set
-        if (! empty($this->checkout->reg_url_link)) {
-            $valid_registrant = $this->checkout->transaction->primary_registration();
-            if (! $valid_registrant instanceof EE_Registration) {
-                EE_Error::add_error(
-                    __(
-                        'We\'re sorry but there appears to be an error with the "reg_url_link" or the primary registrant for this transaction. Please refresh the page and try again or contact support.',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-            $valid_registrant = null;
-            foreach ($this->checkout->transaction->registrations($this->checkout->reg_cache_where_params) as $registration) {
-                if ($registration instanceof EE_Registration
-                    && $registration->reg_url_link() === $this->checkout->reg_url_link
-                ) {
-                    $valid_registrant = $registration;
-                }
-            }
-            if (! $valid_registrant instanceof EE_Registration) {
-                // hmmm... maybe we have the wrong session because the user is opening multiple tabs ?
-                if (EED_Single_Page_Checkout::$_checkout_verified) {
-                    // clear the session, mark the checkout as unverified, and try again
-                    EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
-                    EED_Single_Page_Checkout::$_initialized = false;
-                    EED_Single_Page_Checkout::$_checkout_verified = false;
-                    $this->_initialize();
-                    EE_Error::reset_notices();
-                    return false;
-                }
-                EE_Error::add_error(
-                    __(
-                        'We\'re sorry but there appears to be an error with the "reg_url_link" or the transaction itself. Please refresh the page and try again or contact support.',
-                        'event_espresso'
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-        }
-        // now that things have been kinda sufficiently verified,
-        // let's add the checkout to the session so that it's available to other systems
-        EE_Registry::instance()->SSN->set_checkout($this->checkout);
-        return true;
-    }
-
-
-    /**
-     *    _initialize_reg_steps
-     * first makes sure that EE_Transaction_Processor::set_reg_step_initiated() is called as required
-     * then loops thru all of the active reg steps and calls the initialize_reg_step() method
-     *
-     * @access    private
-     * @param bool $reinitializing
-     * @throws EE_Error
-     */
-    private function _initialize_reg_steps($reinitializing = false)
-    {
-        $this->checkout->set_reg_step_initiated($this->checkout->current_step);
-        // loop thru all steps to call their individual "initialize" methods and set i18n strings for JS
-        foreach ($this->checkout->reg_steps as $reg_step) {
-            if (! $reg_step->initialize_reg_step()) {
-                // if not initialized then maybe this step is being removed...
-                if (! $reinitializing && $reg_step->is_current_step()) {
-                    // if it was the current step, then we need to start over here
-                    $this->_initialize_reg_steps(true);
-                    return;
-                }
-                continue;
-            }
-            // add css and JS for current step
-            $reg_step->enqueue_styles_and_scripts();
-            // i18n
-            $reg_step->translate_js_strings();
-            if ($reg_step->is_current_step()) {
-                // the text that appears on the reg step form submit button
-                $reg_step->set_submit_button_text();
-            }
-        }
-        // dynamically creates hook point like: AHEE__Single_Page_Checkout___initialize_reg_step__attendee_information
-        do_action(
-            "AHEE__Single_Page_Checkout___initialize_reg_step__{$this->checkout->current_step->slug()}",
-            $this->checkout->current_step
-        );
-    }
-
-
-    /**
-     * _check_form_submission
-     *
-     * @access private
-     * @return boolean
-     */
-    private function _check_form_submission()
-    {
-        // does this request require the reg form to be generated ?
-        if ($this->checkout->generate_reg_form) {
-            // ever heard that song by Blue Rodeo ?
-            try {
-                $this->checkout->current_step->reg_form = $this->checkout->current_step->generate_reg_form();
-                // if not displaying a form, then check for form submission
-                if ($this->checkout->process_form_submission
-                    && $this->checkout->current_step->reg_form->was_submitted()
-                ) {
-                    // clear out any old data in case this step is being run again
-                    $this->checkout->current_step->set_valid_data(array());
-                    // capture submitted form data
-                    $this->checkout->current_step->reg_form->receive_form_submission(
-                        apply_filters(
-                            'FHEE__Single_Page_Checkout___check_form_submission__request_params',
-                            EE_Registry::instance()->REQ->params(),
-                            $this->checkout
-                        )
-                    );
-                    // validate submitted form data
-                    if (! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
-                        // thou shall not pass !!!
-                        $this->checkout->continue_reg = false;
-                        // any form validation errors?
-                        if ($this->checkout->current_step->reg_form->submission_error_message() !== '') {
-                            EE_Error::add_error(
-                                $this->checkout->current_step->reg_form->submission_error_message(),
-                                __FILE__,
-                                __FUNCTION__,
-                                __LINE__
-                            );
-                        }
-                        // well not really... what will happen is
-                        // we'll just get redirected back to redo the current step
-                        $this->go_to_next_step();
-                        return false;
-                    }
-                }
-            } catch (EE_Error $e) {
-                $e->get_error();
-            }
-        }
-        return true;
-    }
-
-
-    /**
-     * _process_action
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     */
-    private function _process_form_action()
-    {
-        // what cha wanna do?
-        switch ($this->checkout->action) {
-            // AJAX next step reg form
-            case 'display_spco_reg_step':
-                $this->checkout->redirect = false;
-                if (EE_Registry::instance()->REQ->ajax) {
-                    $this->checkout->json_response->set_reg_step_html(
-                        $this->checkout->current_step->display_reg_form()
-                    );
-                }
-                break;
-            default:
-                // meh... do one of those other steps first
-                if (! empty($this->checkout->action)
-                    && is_callable(array($this->checkout->current_step, $this->checkout->action))
-                ) {
-                    // dynamically creates hook point like:
-                    //   AHEE__Single_Page_Checkout__before_attendee_information__process_reg_step
-                    do_action(
-                        "AHEE__Single_Page_Checkout__before_{$this->checkout->current_step->slug()}__{$this->checkout->action}",
-                        $this->checkout->current_step
-                    );
-                    // call action on current step
-                    if (call_user_func(array($this->checkout->current_step, $this->checkout->action))) {
-                        // good registrant, you get to proceed
-                        if ($this->checkout->current_step->success_message() !== ''
-                            && apply_filters(
-                                'FHEE__Single_Page_Checkout___process_form_action__display_success',
-                                false
-                            )
-                        ) {
-                            EE_Error::add_success(
-                                $this->checkout->current_step->success_message()
-                                . '<br />' . $this->checkout->next_step->_instructions()
-                            );
-                        }
-                        // pack it up, pack it in...
-                        $this->_setup_redirect();
-                    }
-                    // dynamically creates hook point like:
-                    //  AHEE__Single_Page_Checkout__after_payment_options__process_reg_step
-                    do_action(
-                        "AHEE__Single_Page_Checkout__after_{$this->checkout->current_step->slug()}__{$this->checkout->action}",
-                        $this->checkout->current_step
-                    );
-                } else {
-                    EE_Error::add_error(
-                        sprintf(
-                            __(
-                                'The requested form action "%s" does not exist for the current "%s" registration step.',
-                                'event_espresso'
-                            ),
-                            $this->checkout->action,
-                            $this->checkout->current_step->name()
-                        ),
-                        __FILE__,
-                        __FUNCTION__,
-                        __LINE__
-                    );
-                }
-            // end default
-        }
-        // store our progress so far
-        $this->checkout->stash_transaction_and_checkout();
-        // advance to the next step! If you pass GO, collect $200
-        $this->go_to_next_step();
-    }
-
-
-    /**
-     *        add_styles_and_scripts
-     *
-     * @access        public
-     * @return        void
-     */
-    public function add_styles_and_scripts()
-    {
-        // i18n
-        $this->translate_js_strings();
-        if ($this->checkout->admin_request) {
-            add_action('admin_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
-        } else {
-            add_action('wp_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
-        }
-    }
-
-
-    /**
-     *        translate_js_strings
-     *
-     * @access        public
-     * @return        void
-     */
-    public function translate_js_strings()
-    {
-        EE_Registry::$i18n_js_strings['revisit'] = $this->checkout->revisit;
-        EE_Registry::$i18n_js_strings['e_reg_url_link'] = $this->checkout->reg_url_link;
-        EE_Registry::$i18n_js_strings['server_error'] = __(
-            'An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['invalid_json_response'] = __(
-            'An invalid response was returned from the server while attempting to process your request. Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['validation_error'] = __(
-            'There appears to be a problem with the form validation configuration! Please check the admin settings or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['invalid_payment_method'] = __(
-            'There appears to be a problem with the payment method configuration! Please refresh the page and try again or contact support.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['reg_step_error'] = __(
-            'This registration step could not be completed. Please refresh the page and try again.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['invalid_coupon'] = __(
-            'We\'re sorry but that coupon code does not appear to be valid. If this is incorrect, please contact the site administrator.',
-            'event_espresso'
-        );
-        EE_Registry::$i18n_js_strings['process_registration'] = sprintf(
-            __(
-                'Please wait while we process your registration.%sDo not refresh the page or navigate away while this is happening.%sThank you for your patience.',
-                'event_espresso'
-            ),
-            '<br/>',
-            '<br/>'
-        );
-        EE_Registry::$i18n_js_strings['language'] = get_bloginfo('language');
-        EE_Registry::$i18n_js_strings['EESID'] = EE_Registry::instance()->SSN->id();
-        EE_Registry::$i18n_js_strings['currency'] = EE_Registry::instance()->CFG->currency;
-        EE_Registry::$i18n_js_strings['datepicker_yearRange'] = '-150:+20';
-        EE_Registry::$i18n_js_strings['timer_years'] = __('years', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_months'] = __('months', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_weeks'] = __('weeks', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_days'] = __('days', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_hours'] = __('hours', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_minutes'] = __('minutes', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_seconds'] = __('seconds', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_year'] = __('year', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_month'] = __('month', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_week'] = __('week', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_day'] = __('day', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_hour'] = __('hour', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_minute'] = __('minute', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_second'] = __('second', 'event_espresso');
-        EE_Registry::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice(
-        );
-        EE_Registry::$i18n_js_strings['ajax_submit'] = apply_filters(
-            'FHEE__Single_Page_Checkout__translate_js_strings__ajax_submit',
-            true
-        );
-        EE_Registry::$i18n_js_strings['session_extension'] = absint(
-            apply_filters('FHEE__EE_Session__extend_expiration__seconds_added', 10 * MINUTE_IN_SECONDS)
-        );
-        EE_Registry::$i18n_js_strings['session_expiration'] = gmdate(
-            'M d, Y H:i:s',
-            EE_Registry::instance()->SSN->expiration() + (get_option('gmt_offset') * HOUR_IN_SECONDS)
-        );
-    }
-
-
-    /**
-     *    enqueue_styles_and_scripts
-     *
-     * @access        public
-     * @return        void
-     * @throws EE_Error
-     */
-    public function enqueue_styles_and_scripts()
-    {
-        // load css
-        wp_register_style(
-            'single_page_checkout',
-            SPCO_CSS_URL . 'single_page_checkout.css',
-            array('espresso_default'),
-            EVENT_ESPRESSO_VERSION
-        );
-        wp_enqueue_style('single_page_checkout');
-        // load JS
-        wp_register_script(
-            'jquery_plugin',
-            EE_THIRD_PARTY_URL . 'jquery	.plugin.min.js',
-            array('jquery'),
-            '1.0.1',
-            true
-        );
-        wp_register_script(
-            'jquery_countdown',
-            EE_THIRD_PARTY_URL . 'jquery	.countdown.min.js',
-            array('jquery_plugin'),
-            '2.1.0',
-            true
-        );
-        wp_register_script(
-            'single_page_checkout',
-            SPCO_JS_URL . 'single_page_checkout.js',
-            array('espresso_core', 'underscore', 'ee_form_section_validation'),
-            EVENT_ESPRESSO_VERSION,
-            true
-        );
-        if ($this->checkout->registration_form instanceof EE_Form_Section_Proper) {
-            $this->checkout->registration_form->enqueue_js();
-        }
-        if ($this->checkout->current_step->reg_form instanceof EE_Form_Section_Proper) {
-            $this->checkout->current_step->reg_form->enqueue_js();
-        }
-        wp_enqueue_script('single_page_checkout');
-        if (apply_filters('FHEE__registration_page_wrapper_template__display_time_limit', false)) {
-            wp_enqueue_script('jquery_countdown');
-        }
-        /**
-         * global action hook for enqueueing styles and scripts with
-         * spco calls.
-         */
-        do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts', $this);
-        /**
-         * dynamic action hook for enqueueing styles and scripts with spco calls.
-         * The hook will end up being something like:
-         *      AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__attendee_information
-         */
-        do_action(
-            'AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__' . $this->checkout->current_step->slug(),
-            $this
-        );
-    }
-
-
-    /**
-     *    display the Registration Single Page Checkout Form
-     *
-     * @access    private
-     * @return    void
-     * @throws EE_Error
-     */
-    private function _display_spco_reg_form()
-    {
-        // if registering via the admin, just display the reg form for the current step
-        if ($this->checkout->admin_request) {
-            EE_Registry::instance()->REQ->add_output($this->checkout->current_step->display_reg_form());
-        } else {
-            // add powered by EE msg
-            add_action('AHEE__SPCO__reg_form_footer', array('EED_Single_Page_Checkout', 'display_registration_footer'));
-            $empty_cart = count($this->checkout->transaction
-                                    ->registrations($this->checkout->reg_cache_where_params)) < 1;
-            EE_Registry::$i18n_js_strings['empty_cart'] = $empty_cart;
-            $cookies_not_set_msg = '';
-            if ($empty_cart) {
-                $cookies_not_set_msg = apply_filters(
-                    'FHEE__Single_Page_Checkout__display_spco_reg_form__cookies_not_set_msg',
-                    sprintf(
-                        __(
-                            '%1$s%3$sIt appears your browser is not currently set to accept Cookies%4$s%5$sIn order to register for events, you need to enable cookies.%7$sIf you require assistance, then click the following link to learn how to %8$senable cookies%9$s%6$s%2$s',
-                            'event_espresso'
-                        ),
-                        '<div class="ee-attention hidden" id="ee-cookies-not-set-msg">',
-                        '</div>',
-                        '<h6 class="important-notice">',
-                        '</h6>',
-                        '<p>',
-                        '</p>',
-                        '<br />',
-                        '<a href="http://www.whatarecookies.com/enable.asp" target="_blank">',
-                        '</a>'
-                    )
-                );
-            }
-            $this->checkout->registration_form = new EE_Form_Section_Proper(
-                array(
-                    'name'            => 'single-page-checkout',
-                    'html_id'         => 'ee-single-page-checkout-dv',
-                    'layout_strategy' =>
-                        new EE_Template_Layout(
-                            array(
-                                'layout_template_file' => SPCO_TEMPLATES_PATH . 'registration_page_wrapper.template.php',
-                                'template_args'        => array(
-                                    'empty_cart'              => $empty_cart,
-                                    'revisit'                 => $this->checkout->revisit,
-                                    'reg_steps'               => $this->checkout->reg_steps,
-                                    'next_step'               => $this->checkout->next_step instanceof EE_SPCO_Reg_Step
-                                        ? $this->checkout->next_step->slug()
-                                        : '',
-                                    'empty_msg'               => apply_filters(
-                                        'FHEE__Single_Page_Checkout__display_spco_reg_form__empty_msg',
-                                        sprintf(
-                                            __(
-                                                'You need to %1$sReturn to Events list%2$sselect at least one event%3$s before you can proceed with the registration process.',
-                                                'event_espresso'
-                                            ),
-                                            '<a href="'
-                                            . get_post_type_archive_link('espresso_events')
-                                            . '" title="',
-                                            '">',
-                                            '</a>'
-                                        )
-                                    ),
-                                    'cookies_not_set_msg'     => $cookies_not_set_msg,
-                                    'registration_time_limit' => $this->checkout->get_registration_time_limit(),
-                                    'session_expiration'      => gmdate(
-                                        'M d, Y H:i:s',
-                                        EE_Registry::instance()->SSN->expiration()
-                                        + (get_option('gmt_offset') * HOUR_IN_SECONDS)
-                                    ),
-                                ),
-                            )
-                        ),
-                )
-            );
-            // load template and add to output sent that gets filtered into the_content()
-            EE_Registry::instance()->REQ->add_output($this->checkout->registration_form->get_html());
-        }
-    }
-
-
-    /**
-     *    add_extra_finalize_registration_inputs
-     *
-     * @access    public
-     * @param $next_step
-     * @internal  param string $label
-     * @return void
-     */
-    public function add_extra_finalize_registration_inputs($next_step)
-    {
-        if ($next_step === 'finalize_registration') {
-            echo '<div id="spco-extra-finalize_registration-inputs-dv"></div>';
-        }
-    }
-
-
-    /**
-     *    display_registration_footer
-     *
-     * @access    public
-     * @return    string
-     */
-    public static function display_registration_footer()
-    {
-        if (apply_filters(
-            'FHEE__EE_Front__Controller__show_reg_footer',
-            EE_Registry::instance()->CFG->admin->show_reg_footer
-        )) {
-            add_filter(
-                'FHEE__EEH_Template__powered_by_event_espresso__url',
-                function ($url) {
-                    return apply_filters('FHEE__EE_Front_Controller__registration_footer__url', $url);
-                }
-            );
-            echo apply_filters(
-                'FHEE__EE_Front_Controller__display_registration_footer',
-                \EEH_Template::powered_by_event_espresso(
-                    '',
-                    'espresso-registration-footer-dv',
-                    array('utm_content' => 'registration_checkout')
-                )
-            );
-        }
-        return '';
-    }
-
-
-    /**
-     *    unlock_transaction
-     *
-     * @access    public
-     * @return    void
-     * @throws EE_Error
-     */
-    public function unlock_transaction()
-    {
-        if ($this->checkout->transaction instanceof EE_Transaction) {
-            $this->checkout->transaction->unlock();
-        }
-    }
-
-
-    /**
-     *        _setup_redirect
-     *
-     * @access    private
-     * @return void
-     */
-    private function _setup_redirect()
-    {
-        if ($this->checkout->continue_reg && $this->checkout->next_step instanceof EE_SPCO_Reg_Step) {
-            $this->checkout->redirect = true;
-            if (empty($this->checkout->redirect_url)) {
-                $this->checkout->redirect_url = $this->checkout->next_step->reg_step_url();
-            }
-            $this->checkout->redirect_url = apply_filters(
-                'FHEE__EED_Single_Page_Checkout___setup_redirect__checkout_redirect_url',
-                $this->checkout->redirect_url,
-                $this->checkout
-            );
-        }
-    }
-
-
-    /**
-     *   handle ajax message responses and redirects
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     */
-    public function go_to_next_step()
-    {
-        if (EE_Registry::instance()->REQ->ajax) {
-            // capture contents of output buffer we started earlier in the request, and insert into JSON response
-            $this->checkout->json_response->set_unexpected_errors(ob_get_clean());
-        }
-        $this->unlock_transaction();
-        // just return for these conditions
-        if ($this->checkout->admin_request
-            || $this->checkout->action === 'redirect_form'
-            || $this->checkout->action === 'update_checkout'
-        ) {
-            return;
-        }
-        // AJAX response
-        $this->_handle_json_response();
-        // redirect to next step or the Thank You page
-        $this->_handle_html_redirects();
-        // hmmm... must be something wrong, so let's just display the form again !
-        $this->_display_spco_reg_form();
-    }
-
-
-    /**
-     *   _handle_json_response
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _handle_json_response()
-    {
-        // if this is an ajax request
-        if (EE_Registry::instance()->REQ->ajax) {
-            $this->checkout->json_response->set_registration_time_limit(
-                $this->checkout->get_registration_time_limit()
-            );
-            $this->checkout->json_response->set_payment_amount($this->checkout->amount_owing);
-            // just send the ajax (
-            $json_response = apply_filters(
-                'FHEE__EE_Single_Page_Checkout__JSON_response',
-                $this->checkout->json_response
-            );
-            echo $json_response;
-            exit();
-        }
-    }
-
-
-    /**
-     *   _handle_redirects
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _handle_html_redirects()
-    {
-        // going somewhere ?
-        if ($this->checkout->redirect && ! empty($this->checkout->redirect_url)) {
-            // store notices in a transient
-            EE_Error::get_notices(false, true, true);
-            wp_safe_redirect($this->checkout->redirect_url);
-            exit();
-        }
-    }
-
-
-    /**
-     *   set_checkout_anchor
-     *
-     * @access public
-     * @return void
-     */
-    public function set_checkout_anchor()
-    {
-        echo '<a id="checkout" style="float: left; margin-left: -999em;"></a>';
-    }
-
-    /**
-     *    getRegistrationExpirationNotice
-     *
-     * @since     4.9.59.p
-     * @access    public
-     * @return    string
-     */
-    public static function getRegistrationExpirationNotice()
-    {
-        return sprintf(
-            __(
-                '%1$sWe\'re sorry, but your registration time has expired.%2$s%3$s%4$sIf you still wish to complete your registration, please return to the %5$sEvent List%6$sEvent List%7$s and reselect your tickets if available. Please accept our apologies for any inconvenience this may have caused.%8$s',
-                'event_espresso'
-            ),
-            '<h4 class="important-notice">',
-            '</h4>',
-            '<br />',
-            '<p>',
-            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
-            '">',
-            '</a>',
-            '</p>'
-        );
-    }
+	/**
+	 * $_initialized - has the SPCO controller already been initialized ?
+	 *
+	 * @access private
+	 * @var bool $_initialized
+	 */
+	private static $_initialized = false;
+
+
+	/**
+	 * $_checkout_verified - is the EE_Checkout verified as correct for this request ?
+	 *
+	 * @access private
+	 * @var bool $_valid_checkout
+	 */
+	private static $_checkout_verified = true;
+
+	/**
+	 *    $_reg_steps_array - holds initial array of reg steps
+	 *
+	 * @access private
+	 * @var array $_reg_steps_array
+	 */
+	private static $_reg_steps_array = array();
+
+	/**
+	 *    $checkout - EE_Checkout object for handling the properties of the current checkout process
+	 *
+	 * @access public
+	 * @var EE_Checkout $checkout
+	 */
+	public $checkout;
+
+
+	/**
+	 * @return EED_Module|EED_Single_Page_Checkout
+	 */
+	public static function instance()
+	{
+		add_filter('EED_Single_Page_Checkout__SPCO_active', '__return_true');
+		return parent::get_instance(__CLASS__);
+	}
+
+
+	/**
+	 * @return EE_CART
+	 */
+	public function cart()
+	{
+		return $this->checkout->cart;
+	}
+
+
+	/**
+	 * @return EE_Transaction
+	 */
+	public function transaction()
+	{
+		return $this->checkout->transaction;
+	}
+
+
+	/**
+	 *    set_hooks - for hooking into EE Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public static function set_hooks()
+	{
+		EED_Single_Page_Checkout::set_definitions();
+	}
+
+
+	/**
+	 *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public static function set_hooks_admin()
+	{
+		EED_Single_Page_Checkout::set_definitions();
+		if (! (defined('DOING_AJAX') && DOING_AJAX)) {
+			return;
+		}
+		// going to start an output buffer in case anything gets accidentally output
+		// that might disrupt our JSON response
+		ob_start();
+		EED_Single_Page_Checkout::load_request_handler();
+		EED_Single_Page_Checkout::load_reg_steps();
+		// set ajax hooks
+		add_action('wp_ajax_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
+		add_action('wp_ajax_nopriv_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
+		add_action('wp_ajax_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
+		add_action('wp_ajax_nopriv_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
+		add_action('wp_ajax_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
+		add_action('wp_ajax_nopriv_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
+	}
+
+
+	/**
+	 *    process ajax request
+	 *
+	 * @param string $ajax_action
+	 * @throws EE_Error
+	 */
+	public static function process_ajax_request($ajax_action)
+	{
+		EE_Registry::instance()->REQ->set('action', $ajax_action);
+		EED_Single_Page_Checkout::instance()->_initialize();
+	}
+
+
+	/**
+	 *    ajax display registration step
+	 *
+	 * @throws EE_Error
+	 */
+	public static function display_reg_step()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('display_spco_reg_step');
+	}
+
+
+	/**
+	 *    ajax process registration step
+	 *
+	 * @throws EE_Error
+	 */
+	public static function process_reg_step()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('process_reg_step');
+	}
+
+
+	/**
+	 *    ajax process registration step
+	 *
+	 * @throws EE_Error
+	 */
+	public static function update_reg_step()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('update_reg_step');
+	}
+
+
+	/**
+	 *   update_checkout
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function update_checkout()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('update_checkout');
+	}
+
+
+	/**
+	 *    load_request_handler
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function load_request_handler()
+	{
+		// load core Request_Handler class
+		if (EE_Registry::instance()->REQ !== null) {
+			EE_Registry::instance()->load_core('Request_Handler');
+		}
+	}
+
+
+	/**
+	 *    set_definitions
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public static function set_definitions()
+	{
+		if (defined('SPCO_BASE_PATH')) {
+			return;
+		}
+		define(
+			'SPCO_BASE_PATH',
+			rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS) . DS
+		);
+		define('SPCO_CSS_URL', plugin_dir_url(__FILE__) . 'css' . DS);
+		define('SPCO_IMG_URL', plugin_dir_url(__FILE__) . 'img' . DS);
+		define('SPCO_JS_URL', plugin_dir_url(__FILE__) . 'js' . DS);
+		define('SPCO_INC_PATH', SPCO_BASE_PATH . 'inc' . DS);
+		define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH . 'reg_steps' . DS);
+		define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH . 'templates' . DS);
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(SPCO_BASE_PATH, true);
+		EE_Registry::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice(
+		);
+	}
+
+
+	/**
+	 * load_reg_steps
+	 * loads and instantiates each reg step based on the EE_Registry::instance()->CFG->registration->reg_steps array
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 */
+	public static function load_reg_steps()
+	{
+		static $reg_steps_loaded = false;
+		if ($reg_steps_loaded) {
+			return;
+		}
+		// filter list of reg_steps
+		$reg_steps_to_load = (array) apply_filters(
+			'AHEE__SPCO__load_reg_steps__reg_steps_to_load',
+			EED_Single_Page_Checkout::get_reg_steps()
+		);
+		// sort by key (order)
+		ksort($reg_steps_to_load);
+		// loop through folders
+		foreach ($reg_steps_to_load as $order => $reg_step) {
+			// we need a
+			if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
+				// copy over to the reg_steps_array
+				EED_Single_Page_Checkout::$_reg_steps_array[ $order ] = $reg_step;
+				// register custom key route for each reg step
+				// ie: step=>"slug" - this is the entire reason we load the reg steps array now
+				EE_Config::register_route(
+					$reg_step['slug'],
+					'EED_Single_Page_Checkout',
+					'run',
+					'step'
+				);
+				// add AJAX or other hooks
+				if (isset($reg_step['has_hooks']) && $reg_step['has_hooks']) {
+					// setup autoloaders if necessary
+					if (! class_exists($reg_step['class_name'])) {
+						EEH_Autoloader::register_autoloaders_for_each_file_in_folder(
+							$reg_step['file_path'],
+							true
+						);
+					}
+					if (is_callable($reg_step['class_name'], 'set_hooks')) {
+						call_user_func(array($reg_step['class_name'], 'set_hooks'));
+					}
+				}
+			}
+		}
+		$reg_steps_loaded = true;
+	}
+
+
+	/**
+	 *    get_reg_steps
+	 *
+	 * @access    public
+	 * @return    array
+	 */
+	public static function get_reg_steps()
+	{
+		$reg_steps = EE_Registry::instance()->CFG->registration->reg_steps;
+		if (empty($reg_steps)) {
+			$reg_steps = array(
+				10  => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'attendee_information',
+					'class_name' => 'EE_SPCO_Reg_Step_Attendee_Information',
+					'slug'       => 'attendee_information',
+					'has_hooks'  => false,
+				),
+				30  => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'payment_options',
+					'class_name' => 'EE_SPCO_Reg_Step_Payment_Options',
+					'slug'       => 'payment_options',
+					'has_hooks'  => true,
+				),
+				999 => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'finalize_registration',
+					'class_name' => 'EE_SPCO_Reg_Step_Finalize_Registration',
+					'slug'       => 'finalize_registration',
+					'has_hooks'  => false,
+				),
+			);
+		}
+		return $reg_steps;
+	}
+
+
+	/**
+	 *    registration_checkout_for_admin
+	 *
+	 * @access    public
+	 * @return    string
+	 * @throws EE_Error
+	 */
+	public static function registration_checkout_for_admin()
+	{
+		EED_Single_Page_Checkout::load_request_handler();
+		EE_Registry::instance()->REQ->set('step', 'attendee_information');
+		EE_Registry::instance()->REQ->set('action', 'display_spco_reg_step');
+		EE_Registry::instance()->REQ->set('process_form_submission', false);
+		EED_Single_Page_Checkout::instance()->_initialize();
+		EED_Single_Page_Checkout::instance()->_display_spco_reg_form();
+		return EE_Registry::instance()->REQ->get_output();
+	}
+
+
+	/**
+	 * process_registration_from_admin
+	 *
+	 * @access public
+	 * @return \EE_Transaction
+	 * @throws EE_Error
+	 */
+	public static function process_registration_from_admin()
+	{
+		EED_Single_Page_Checkout::load_request_handler();
+		EE_Registry::instance()->REQ->set('step', 'attendee_information');
+		EE_Registry::instance()->REQ->set('action', 'process_reg_step');
+		EE_Registry::instance()->REQ->set('process_form_submission', true);
+		EED_Single_Page_Checkout::instance()->_initialize();
+		if (EED_Single_Page_Checkout::instance()->checkout->current_step->completed()) {
+			$final_reg_step = end(EED_Single_Page_Checkout::instance()->checkout->reg_steps);
+			if ($final_reg_step instanceof EE_SPCO_Reg_Step_Finalize_Registration) {
+				EED_Single_Page_Checkout::instance()->checkout->set_reg_step_initiated($final_reg_step);
+				if ($final_reg_step->process_reg_step()) {
+					$final_reg_step->set_completed();
+					EED_Single_Page_Checkout::instance()->checkout->update_txn_reg_steps_array();
+					return EED_Single_Page_Checkout::instance()->checkout->transaction;
+				}
+			}
+		}
+		return null;
+	}
+
+
+	/**
+	 *    run
+	 *
+	 * @access    public
+	 * @param WP_Query $WP_Query
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public function run($WP_Query)
+	{
+		if ($WP_Query instanceof WP_Query
+			&& $WP_Query->is_main_query()
+			&& apply_filters('FHEE__EED_Single_Page_Checkout__run', true)
+			&& $this->_is_reg_checkout()
+		) {
+			$this->_initialize();
+		}
+	}
+
+
+	/**
+	 * determines whether current url matches reg page url
+	 *
+	 * @return bool
+	 */
+	protected function _is_reg_checkout()
+	{
+		// get current permalink for reg page without any extra query args
+		$reg_page_url = \get_permalink(EE_Config::instance()->core->reg_page_id);
+		// get request URI for current request, but without the scheme or host
+		$current_request_uri = \EEH_URL::filter_input_server_url('REQUEST_URI');
+		$current_request_uri = html_entity_decode($current_request_uri);
+		// get array of query args from the current request URI
+		$query_args = \EEH_URL::get_query_string($current_request_uri);
+		// grab page id if it is set
+		$page_id = isset($query_args['page_id']) ? absint($query_args['page_id']) : 0;
+		// and remove the page id from the query args (we will re-add it later)
+		unset($query_args['page_id']);
+		// now strip all query args from current request URI
+		$current_request_uri = remove_query_arg(array_keys($query_args), $current_request_uri);
+		// and re-add the page id if it was set
+		if ($page_id) {
+			$current_request_uri = add_query_arg('page_id', $page_id, $current_request_uri);
+		}
+		// remove slashes and ?
+		$current_request_uri = trim($current_request_uri, '?/');
+		// is current request URI part of the known full reg page URL ?
+		return ! empty($current_request_uri) && strpos($reg_page_url, $current_request_uri) !== false;
+	}
+
+
+	/**
+	 * @param WP_Query $wp_query
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public static function init($wp_query)
+	{
+		EED_Single_Page_Checkout::instance()->run($wp_query);
+	}
+
+
+	/**
+	 *    _initialize - initial module setup
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return    void
+	 */
+	private function _initialize()
+	{
+		// ensure SPCO doesn't run twice
+		if (EED_Single_Page_Checkout::$_initialized) {
+			return;
+		}
+		try {
+			EED_Single_Page_Checkout::load_reg_steps();
+			$this->_verify_session();
+			// setup the EE_Checkout object
+			$this->checkout = $this->_initialize_checkout();
+			// filter checkout
+			$this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize__checkout', $this->checkout);
+			// get the $_GET
+			$this->_get_request_vars();
+			if ($this->_block_bots()) {
+				return;
+			}
+			// filter continue_reg
+			$this->checkout->continue_reg = apply_filters(
+				'FHEE__EED_Single_Page_Checkout__init___continue_reg',
+				true,
+				$this->checkout
+			);
+			// load the reg steps array
+			if (! $this->_load_and_instantiate_reg_steps()) {
+				EED_Single_Page_Checkout::$_initialized = true;
+				return;
+			}
+			// set the current step
+			$this->checkout->set_current_step($this->checkout->step);
+			// and the next step
+			$this->checkout->set_next_step();
+			// verify that everything has been setup correctly
+			if (! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
+				EED_Single_Page_Checkout::$_initialized = true;
+				return;
+			}
+			// lock the transaction
+			$this->checkout->transaction->lock();
+			// make sure all of our cached objects are added to their respective model entity mappers
+			$this->checkout->refresh_all_entities();
+			// set amount owing
+			$this->checkout->amount_owing = $this->checkout->transaction->remaining();
+			// initialize each reg step, which gives them the chance to potentially alter the process
+			$this->_initialize_reg_steps();
+			// DEBUG LOG
+			// $this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
+			// get reg form
+			if (! $this->_check_form_submission()) {
+				EED_Single_Page_Checkout::$_initialized = true;
+				return;
+			}
+			// checkout the action!!!
+			$this->_process_form_action();
+			// add some style and make it dance
+			$this->add_styles_and_scripts();
+			// kk... SPCO has successfully run
+			EED_Single_Page_Checkout::$_initialized = true;
+			// set no cache headers and constants
+			EE_System::do_not_cache();
+			// add anchor
+			add_action('loop_start', array($this, 'set_checkout_anchor'), 1);
+			// remove transaction lock
+			add_action('shutdown', array($this, 'unlock_transaction'), 1);
+		} catch (Exception $e) {
+			EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+		}
+	}
+
+
+	/**
+	 *    _verify_session
+	 * checks that the session is valid and not expired
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 */
+	private function _verify_session()
+	{
+		if (! EE_Registry::instance()->SSN instanceof EE_Session) {
+			throw new EE_Error(__('The EE_Session class could not be loaded.', 'event_espresso'));
+		}
+		$clear_session_requested = filter_var(
+			EE_Registry::instance()->REQ->get('clear_session', false),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// is session still valid ?
+		if ($clear_session_requested
+			|| (EE_Registry::instance()->SSN->expired()
+				&& EE_Registry::instance()->REQ->get('e_reg_url_link', '') === ''
+			)
+		) {
+			$this->checkout = new EE_Checkout();
+			EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
+			// EE_Registry::instance()->SSN->reset_cart();
+			// EE_Registry::instance()->SSN->reset_checkout();
+			// EE_Registry::instance()->SSN->reset_transaction();
+			if (! $clear_session_requested) {
+				EE_Error::add_attention(
+					EE_Registry::$i18n_js_strings['registration_expiration_notice'],
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+			// EE_Registry::instance()->SSN->reset_expired();
+		}
+	}
+
+
+	/**
+	 *    _initialize_checkout
+	 * loads and instantiates EE_Checkout
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return EE_Checkout
+	 */
+	private function _initialize_checkout()
+	{
+		// look in session for existing checkout
+		/** @type EE_Checkout $checkout */
+		$checkout = EE_Registry::instance()->SSN->checkout();
+		// verify
+		if (! $checkout instanceof EE_Checkout) {
+			// instantiate EE_Checkout object for handling the properties of the current checkout process
+			$checkout = EE_Registry::instance()->load_file(
+				SPCO_INC_PATH,
+				'EE_Checkout',
+				'class',
+				array(),
+				false
+			);
+		} else {
+			if ($checkout->current_step->is_final_step() && $checkout->exit_spco() === true) {
+				$this->unlock_transaction();
+				wp_safe_redirect($checkout->redirect_url);
+				exit();
+			}
+		}
+		$checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize_checkout__checkout', $checkout);
+		// verify again
+		if (! $checkout instanceof EE_Checkout) {
+			throw new EE_Error(__('The EE_Checkout class could not be loaded.', 'event_espresso'));
+		}
+		// reset anything that needs a clean slate for each request
+		$checkout->reset_for_current_request();
+		return $checkout;
+	}
+
+
+	/**
+	 *    _get_request_vars
+	 *
+	 * @access    private
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	private function _get_request_vars()
+	{
+		// load classes
+		EED_Single_Page_Checkout::load_request_handler();
+		// make sure this request is marked as belonging to EE
+		EE_Registry::instance()->REQ->set_espresso_page(true);
+		// which step is being requested ?
+		$this->checkout->step = EE_Registry::instance()->REQ->get('step', $this->_get_first_step());
+		// which step is being edited ?
+		$this->checkout->edit_step = EE_Registry::instance()->REQ->get('edit_step', '');
+		// and what we're doing on the current step
+		$this->checkout->action = EE_Registry::instance()->REQ->get('action', 'display_spco_reg_step');
+		// timestamp
+		$this->checkout->uts = EE_Registry::instance()->REQ->get('uts', 0);
+		// returning to edit ?
+		$this->checkout->reg_url_link = EE_Registry::instance()->REQ->get('e_reg_url_link', '');
+		// add reg url link to registration query params
+		if ($this->checkout->reg_url_link && strpos($this->checkout->reg_url_link, '1-') !== 0) {
+			$this->checkout->reg_cache_where_params[0]['REG_url_link'] = $this->checkout->reg_url_link;
+		}
+		// or some other kind of revisit ?
+		$this->checkout->revisit = filter_var(
+			EE_Registry::instance()->REQ->get('revisit', false),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// and whether or not to generate a reg form for this request
+		$this->checkout->generate_reg_form = filter_var(
+			EE_Registry::instance()->REQ->get('generate_reg_form', true),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// and whether or not to process a reg form submission for this request
+		$this->checkout->process_form_submission = filter_var(
+			EE_Registry::instance()->REQ->get(
+				'process_form_submission',
+				$this->checkout->action === 'process_reg_step'
+			),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		$this->checkout->process_form_submission = filter_var(
+			$this->checkout->action !== 'display_spco_reg_step'
+				? $this->checkout->process_form_submission
+				: false,
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// $this->_display_request_vars();
+	}
+
+
+	/**
+	 *  _display_request_vars
+	 *
+	 * @access    protected
+	 * @return    void
+	 */
+	protected function _display_request_vars()
+	{
+		if (! WP_DEBUG) {
+			return;
+		}
+		EEH_Debug_Tools::printr($_REQUEST, '$_REQUEST', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->step, '$this->checkout->step', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->edit_step, '$this->checkout->edit_step', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->action, '$this->checkout->action', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->reg_url_link, '$this->checkout->reg_url_link', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->revisit, '$this->checkout->revisit', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr(
+			$this->checkout->generate_reg_form,
+			'$this->checkout->generate_reg_form',
+			__FILE__,
+			__LINE__
+		);
+		EEH_Debug_Tools::printr(
+			$this->checkout->process_form_submission,
+			'$this->checkout->process_form_submission',
+			__FILE__,
+			__LINE__
+		);
+	}
+
+
+	/**
+	 * _block_bots
+	 * checks that the incoming request has either of the following set:
+	 *  a uts (unix timestamp) which indicates that the request was redirected from the Ticket Selector
+	 *  a REG URL Link, which indicates that the request is a return visit to SPCO for a valid TXN
+	 * so if you're not coming from the Ticket Selector nor returning for a valid IP...
+	 * then where you coming from man?
+	 *
+	 * @return boolean
+	 */
+	private function _block_bots()
+	{
+		$invalid_checkout_access = EED_Invalid_Checkout_Access::getInvalidCheckoutAccess();
+		if ($invalid_checkout_access->checkoutAccessIsInvalid($this->checkout)) {
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 *    _get_first_step
+	 *  gets slug for first step in $_reg_steps_array
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return    string
+	 */
+	private function _get_first_step()
+	{
+		$first_step = reset(EED_Single_Page_Checkout::$_reg_steps_array);
+		return isset($first_step['slug']) ? $first_step['slug'] : 'attendee_information';
+	}
+
+
+	/**
+	 * instantiates each reg step based on the loaded reg_steps array
+	 *
+	 * @return    bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private function _load_and_instantiate_reg_steps()
+	{
+		do_action('AHEE__Single_Page_Checkout___load_and_instantiate_reg_steps__start', $this->checkout);
+		// have reg_steps already been instantiated ?
+		if (empty($this->checkout->reg_steps)
+			|| apply_filters('FHEE__Single_Page_Checkout__load_reg_steps__reload_reg_steps', false, $this->checkout)
+		) {
+			// if not, then loop through raw reg steps array
+			foreach (EED_Single_Page_Checkout::$_reg_steps_array as $order => $reg_step) {
+				if (! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
+					return false;
+				}
+			}
+			if (isset($this->checkout->reg_steps['registration_confirmation'])) {
+				// skip the registration_confirmation page ?
+				if (EE_Registry::instance()->CFG->registration->skip_reg_confirmation) {
+					// just remove it from the reg steps array
+					$this->checkout->remove_reg_step('registration_confirmation', false);
+				} elseif (EE_Registry::instance()->CFG->registration->reg_confirmation_last
+				) {
+					// set the order to something big like 100
+					$this->checkout->set_reg_step_order('registration_confirmation', 100);
+				}
+			}
+			// filter the array for good luck
+			$this->checkout->reg_steps = apply_filters(
+				'FHEE__Single_Page_Checkout__load_reg_steps__reg_steps',
+				$this->checkout->reg_steps
+			);
+			// finally re-sort based on the reg step class order properties
+			$this->checkout->sort_reg_steps();
+		} else {
+			foreach ($this->checkout->reg_steps as $reg_step) {
+				// set all current step stati to FALSE
+				$reg_step->set_is_current_step(false);
+			}
+		}
+		if (empty($this->checkout->reg_steps)) {
+			EE_Error::add_error(
+				__('No Reg Steps were loaded..', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		// make reg step details available to JS
+		$this->checkout->set_reg_step_JSON_info();
+		return true;
+	}
+
+
+	/**
+	 *     _load_and_instantiate_reg_step
+	 *
+	 * @access    private
+	 * @param array $reg_step
+	 * @param int   $order
+	 * @return bool
+	 */
+	private function _load_and_instantiate_reg_step($reg_step = array(), $order = 0)
+	{
+		// we need a file_path, class_name, and slug to add a reg step
+		if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
+			// if editing a specific step, but this is NOT that step... (and it's not the 'finalize_registration' step)
+			if ($this->checkout->reg_url_link
+				&& $this->checkout->step !== $reg_step['slug']
+				&& $reg_step['slug'] !== 'finalize_registration'
+				// normally at this point we would NOT load the reg step, but this filter can change that
+				&& apply_filters(
+					'FHEE__Single_Page_Checkout___load_and_instantiate_reg_step__bypass_reg_step',
+					true,
+					$reg_step,
+					$this->checkout
+				)
+			) {
+				return true;
+			}
+			// instantiate step class using file path and class name
+			$reg_step_obj = EE_Registry::instance()->load_file(
+				$reg_step['file_path'],
+				$reg_step['class_name'],
+				'class',
+				$this->checkout,
+				false
+			);
+			// did we gets the goods ?
+			if ($reg_step_obj instanceof EE_SPCO_Reg_Step) {
+				// set reg step order based on config
+				$reg_step_obj->set_order($order);
+				// add instantiated reg step object to the master reg steps array
+				$this->checkout->add_reg_step($reg_step_obj);
+			} else {
+				EE_Error::add_error(
+					__('The current step could not be set.', 'event_espresso'),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+		} else {
+			if (WP_DEBUG) {
+				EE_Error::add_error(
+					sprintf(
+						__(
+							'A registration step could not be loaded. One or more of the following data points is invalid:%4$s%5$sFile Path: %1$s%6$s%5$sClass Name: %2$s%6$s%5$sSlug: %3$s%6$s%7$s',
+							'event_espresso'
+						),
+						isset($reg_step['file_path']) ? $reg_step['file_path'] : '',
+						isset($reg_step['class_name']) ? $reg_step['class_name'] : '',
+						isset($reg_step['slug']) ? $reg_step['slug'] : '',
+						'<ul>',
+						'<li>',
+						'</li>',
+						'</ul>'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * _verify_transaction_and_get_registrations
+	 *
+	 * @access private
+	 * @return bool
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @throws EE_Error
+	 */
+	private function _verify_transaction_and_get_registrations()
+	{
+		// was there already a valid transaction in the checkout from the session ?
+		if (! $this->checkout->transaction instanceof EE_Transaction) {
+			// get transaction from db or session
+			$this->checkout->transaction = $this->checkout->reg_url_link && ! is_admin()
+				? $this->_get_transaction_and_cart_for_previous_visit()
+				: $this->_get_cart_for_current_session_and_setup_new_transaction();
+			if (! $this->checkout->transaction instanceof EE_Transaction) {
+				EE_Error::add_error(
+					__(
+						'Your Registration and Transaction information could not be retrieved from the db.',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				$this->checkout->transaction = EE_Transaction::new_instance();
+				// add some style and make it dance
+				$this->add_styles_and_scripts();
+				EED_Single_Page_Checkout::$_initialized = true;
+				return false;
+			}
+			// and the registrations for the transaction
+			$this->_get_registrations($this->checkout->transaction);
+		}
+		return true;
+	}
+
+
+	/**
+	 * _get_transaction_and_cart_for_previous_visit
+	 *
+	 * @access private
+	 * @return mixed EE_Transaction|NULL
+	 */
+	private function _get_transaction_and_cart_for_previous_visit()
+	{
+		/** @var $TXN_model EEM_Transaction */
+		$TXN_model = EE_Registry::instance()->load_model('Transaction');
+		// because the reg_url_link is present in the request,
+		// this is a return visit to SPCO, so we'll get the transaction data from the db
+		$transaction = $TXN_model->get_transaction_from_reg_url_link($this->checkout->reg_url_link);
+		// verify transaction
+		if ($transaction instanceof EE_Transaction) {
+			// and get the cart that was used for that transaction
+			$this->checkout->cart = $this->_get_cart_for_transaction($transaction);
+			return $transaction;
+		}
+		EE_Error::add_error(
+			__('Your Registration and Transaction information could not be retrieved from the db.', 'event_espresso'),
+			__FILE__,
+			__FUNCTION__,
+			__LINE__
+		);
+		return null;
+	}
+
+
+	/**
+	 * _get_cart_for_transaction
+	 *
+	 * @access private
+	 * @param EE_Transaction $transaction
+	 * @return EE_Cart
+	 */
+	private function _get_cart_for_transaction($transaction)
+	{
+		return $this->checkout->get_cart_for_transaction($transaction);
+	}
+
+
+	/**
+	 * get_cart_for_transaction
+	 *
+	 * @access public
+	 * @param EE_Transaction $transaction
+	 * @return EE_Cart
+	 */
+	public function get_cart_for_transaction(EE_Transaction $transaction)
+	{
+		return $this->checkout->get_cart_for_transaction($transaction);
+	}
+
+
+	/**
+	 * _get_transaction_and_cart_for_current_session
+	 *    generates a new EE_Transaction object and adds it to the $_transaction property.
+	 *
+	 * @access private
+	 * @return EE_Transaction
+	 * @throws EE_Error
+	 */
+	private function _get_cart_for_current_session_and_setup_new_transaction()
+	{
+		//  if there's no transaction, then this is the FIRST visit to SPCO
+		// so load up the cart ( passing nothing for the TXN because it doesn't exist yet )
+		$this->checkout->cart = $this->_get_cart_for_transaction(null);
+		// and then create a new transaction
+		$transaction = $this->_initialize_transaction();
+		// verify transaction
+		if ($transaction instanceof EE_Transaction) {
+			// save it so that we have an ID for other objects to use
+			$transaction->save();
+			// and save TXN data to the cart
+			$this->checkout->cart->get_grand_total()->save_this_and_descendants_to_txn($transaction->ID());
+		} else {
+			EE_Error::add_error(
+				__('A Valid Transaction could not be initialized.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+		}
+		return $transaction;
+	}
+
+
+	/**
+	 *    generates a new EE_Transaction object and adds it to the $_transaction property.
+	 *
+	 * @access private
+	 * @return mixed EE_Transaction|NULL
+	 */
+	private function _initialize_transaction()
+	{
+		try {
+			// ensure cart totals have been calculated
+			$this->checkout->cart->get_grand_total()->recalculate_total_including_taxes();
+			// grab the cart grand total
+			$cart_total = $this->checkout->cart->get_cart_grand_total();
+			// create new TXN
+			$transaction = EE_Transaction::new_instance(
+				array(
+					'TXN_reg_steps' => $this->checkout->initialize_txn_reg_steps_array(),
+					'TXN_total'     => $cart_total > 0 ? $cart_total : 0,
+					'TXN_paid'      => 0,
+					'STS_ID'        => EEM_Transaction::failed_status_code,
+				)
+			);
+			// save it so that we have an ID for other objects to use
+			$transaction->save();
+			// set cron job for following up on TXNs after their session has expired
+			EE_Cron_Tasks::schedule_expired_transaction_check(
+				EE_Registry::instance()->SSN->expiration() + 1,
+				$transaction->ID()
+			);
+			return $transaction;
+		} catch (Exception $e) {
+			EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+		}
+		return null;
+	}
+
+
+	/**
+	 * _get_registrations
+	 *
+	 * @access private
+	 * @param EE_Transaction $transaction
+	 * @return void
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @throws EE_Error
+	 */
+	private function _get_registrations(EE_Transaction $transaction)
+	{
+		// first step: grab the registrants  { : o
+		$registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
+		$this->checkout->total_ticket_count = count($registrations);
+		// verify registrations have been set
+		if (empty($registrations)) {
+			// if no cached registrations, then check the db
+			$registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
+			// still nothing ? well as long as this isn't a revisit
+			if (empty($registrations) && ! $this->checkout->revisit) {
+				// generate new registrations from scratch
+				$registrations = $this->_initialize_registrations($transaction);
+			}
+		}
+		// sort by their original registration order
+		usort($registrations, array('EED_Single_Page_Checkout', 'sort_registrations_by_REG_count'));
+		// then loop thru the array
+		foreach ($registrations as $registration) {
+			// verify each registration
+			if ($registration instanceof EE_Registration) {
+				// we display all attendee info for the primary registrant
+				if ($this->checkout->reg_url_link === $registration->reg_url_link()
+					&& $registration->is_primary_registrant()
+				) {
+					$this->checkout->primary_revisit = true;
+					break;
+				}
+				if ($this->checkout->revisit && $this->checkout->reg_url_link !== $registration->reg_url_link()) {
+					// but hide info if it doesn't belong to you
+					$transaction->clear_cache('Registration', $registration->ID());
+					$this->checkout->total_ticket_count--;
+				}
+				$this->checkout->set_reg_status_updated($registration->ID(), false);
+			}
+		}
+	}
+
+
+	/**
+	 *    adds related EE_Registration objects for each ticket in the cart to the current EE_Transaction object
+	 *
+	 * @access private
+	 * @param EE_Transaction $transaction
+	 * @return    array
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidEntityException
+	 * @throws EE_Error
+	 */
+	private function _initialize_registrations(EE_Transaction $transaction)
+	{
+		$att_nmbr = 0;
+		$registrations = array();
+		if ($transaction instanceof EE_Transaction) {
+			/** @type EE_Registration_Processor $registration_processor */
+			$registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
+			$this->checkout->total_ticket_count = $this->checkout->cart->all_ticket_quantity_count();
+			// now let's add the cart items to the $transaction
+			foreach ($this->checkout->cart->get_tickets() as $line_item) {
+				// do the following for each ticket of this type they selected
+				for ($x = 1; $x <= $line_item->quantity(); $x++) {
+					$att_nmbr++;
+					/** @var EventEspresso\core\services\commands\registration\CreateRegistrationCommand $CreateRegistrationCommand */
+					$CreateRegistrationCommand = EE_Registry::instance()->create(
+						'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
+						array(
+							$transaction,
+							$line_item,
+							$att_nmbr,
+							$this->checkout->total_ticket_count,
+						)
+					);
+					// override capabilities for frontend registrations
+					if (! is_admin()) {
+						$CreateRegistrationCommand->setCapCheck(
+							new PublicCapabilities('', 'create_new_registration')
+						);
+					}
+					$registration = EE_Registry::instance()->BUS->execute($CreateRegistrationCommand);
+					if (! $registration instanceof EE_Registration) {
+						throw new InvalidEntityException($registration, 'EE_Registration');
+					}
+					$registrations[ $registration->ID() ] = $registration;
+				}
+			}
+			$registration_processor->fix_reg_final_price_rounding_issue($transaction);
+		}
+		return $registrations;
+	}
+
+
+	/**
+	 * sorts registrations by REG_count
+	 *
+	 * @access public
+	 * @param EE_Registration $reg_A
+	 * @param EE_Registration $reg_B
+	 * @return int
+	 */
+	public static function sort_registrations_by_REG_count(EE_Registration $reg_A, EE_Registration $reg_B)
+	{
+		// this shouldn't ever happen within the same TXN, but oh well
+		if ($reg_A->count() === $reg_B->count()) {
+			return 0;
+		}
+		return ($reg_A->count() > $reg_B->count()) ? 1 : -1;
+	}
+
+
+	/**
+	 *    _final_verifications
+	 * just makes sure that everything is set up correctly before proceeding
+	 *
+	 * @access    private
+	 * @return    bool
+	 * @throws EE_Error
+	 */
+	private function _final_verifications()
+	{
+		// filter checkout
+		$this->checkout = apply_filters(
+			'FHEE__EED_Single_Page_Checkout___final_verifications__checkout',
+			$this->checkout
+		);
+		// verify that current step is still set correctly
+		if (! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
+			EE_Error::add_error(
+				__(
+					'We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.',
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		// if returning to SPCO, then verify that primary registrant is set
+		if (! empty($this->checkout->reg_url_link)) {
+			$valid_registrant = $this->checkout->transaction->primary_registration();
+			if (! $valid_registrant instanceof EE_Registration) {
+				EE_Error::add_error(
+					__(
+						'We\'re sorry but there appears to be an error with the "reg_url_link" or the primary registrant for this transaction. Please refresh the page and try again or contact support.',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+			$valid_registrant = null;
+			foreach ($this->checkout->transaction->registrations($this->checkout->reg_cache_where_params) as $registration) {
+				if ($registration instanceof EE_Registration
+					&& $registration->reg_url_link() === $this->checkout->reg_url_link
+				) {
+					$valid_registrant = $registration;
+				}
+			}
+			if (! $valid_registrant instanceof EE_Registration) {
+				// hmmm... maybe we have the wrong session because the user is opening multiple tabs ?
+				if (EED_Single_Page_Checkout::$_checkout_verified) {
+					// clear the session, mark the checkout as unverified, and try again
+					EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
+					EED_Single_Page_Checkout::$_initialized = false;
+					EED_Single_Page_Checkout::$_checkout_verified = false;
+					$this->_initialize();
+					EE_Error::reset_notices();
+					return false;
+				}
+				EE_Error::add_error(
+					__(
+						'We\'re sorry but there appears to be an error with the "reg_url_link" or the transaction itself. Please refresh the page and try again or contact support.',
+						'event_espresso'
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+		}
+		// now that things have been kinda sufficiently verified,
+		// let's add the checkout to the session so that it's available to other systems
+		EE_Registry::instance()->SSN->set_checkout($this->checkout);
+		return true;
+	}
+
+
+	/**
+	 *    _initialize_reg_steps
+	 * first makes sure that EE_Transaction_Processor::set_reg_step_initiated() is called as required
+	 * then loops thru all of the active reg steps and calls the initialize_reg_step() method
+	 *
+	 * @access    private
+	 * @param bool $reinitializing
+	 * @throws EE_Error
+	 */
+	private function _initialize_reg_steps($reinitializing = false)
+	{
+		$this->checkout->set_reg_step_initiated($this->checkout->current_step);
+		// loop thru all steps to call their individual "initialize" methods and set i18n strings for JS
+		foreach ($this->checkout->reg_steps as $reg_step) {
+			if (! $reg_step->initialize_reg_step()) {
+				// if not initialized then maybe this step is being removed...
+				if (! $reinitializing && $reg_step->is_current_step()) {
+					// if it was the current step, then we need to start over here
+					$this->_initialize_reg_steps(true);
+					return;
+				}
+				continue;
+			}
+			// add css and JS for current step
+			$reg_step->enqueue_styles_and_scripts();
+			// i18n
+			$reg_step->translate_js_strings();
+			if ($reg_step->is_current_step()) {
+				// the text that appears on the reg step form submit button
+				$reg_step->set_submit_button_text();
+			}
+		}
+		// dynamically creates hook point like: AHEE__Single_Page_Checkout___initialize_reg_step__attendee_information
+		do_action(
+			"AHEE__Single_Page_Checkout___initialize_reg_step__{$this->checkout->current_step->slug()}",
+			$this->checkout->current_step
+		);
+	}
+
+
+	/**
+	 * _check_form_submission
+	 *
+	 * @access private
+	 * @return boolean
+	 */
+	private function _check_form_submission()
+	{
+		// does this request require the reg form to be generated ?
+		if ($this->checkout->generate_reg_form) {
+			// ever heard that song by Blue Rodeo ?
+			try {
+				$this->checkout->current_step->reg_form = $this->checkout->current_step->generate_reg_form();
+				// if not displaying a form, then check for form submission
+				if ($this->checkout->process_form_submission
+					&& $this->checkout->current_step->reg_form->was_submitted()
+				) {
+					// clear out any old data in case this step is being run again
+					$this->checkout->current_step->set_valid_data(array());
+					// capture submitted form data
+					$this->checkout->current_step->reg_form->receive_form_submission(
+						apply_filters(
+							'FHEE__Single_Page_Checkout___check_form_submission__request_params',
+							EE_Registry::instance()->REQ->params(),
+							$this->checkout
+						)
+					);
+					// validate submitted form data
+					if (! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
+						// thou shall not pass !!!
+						$this->checkout->continue_reg = false;
+						// any form validation errors?
+						if ($this->checkout->current_step->reg_form->submission_error_message() !== '') {
+							EE_Error::add_error(
+								$this->checkout->current_step->reg_form->submission_error_message(),
+								__FILE__,
+								__FUNCTION__,
+								__LINE__
+							);
+						}
+						// well not really... what will happen is
+						// we'll just get redirected back to redo the current step
+						$this->go_to_next_step();
+						return false;
+					}
+				}
+			} catch (EE_Error $e) {
+				$e->get_error();
+			}
+		}
+		return true;
+	}
+
+
+	/**
+	 * _process_action
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _process_form_action()
+	{
+		// what cha wanna do?
+		switch ($this->checkout->action) {
+			// AJAX next step reg form
+			case 'display_spco_reg_step':
+				$this->checkout->redirect = false;
+				if (EE_Registry::instance()->REQ->ajax) {
+					$this->checkout->json_response->set_reg_step_html(
+						$this->checkout->current_step->display_reg_form()
+					);
+				}
+				break;
+			default:
+				// meh... do one of those other steps first
+				if (! empty($this->checkout->action)
+					&& is_callable(array($this->checkout->current_step, $this->checkout->action))
+				) {
+					// dynamically creates hook point like:
+					//   AHEE__Single_Page_Checkout__before_attendee_information__process_reg_step
+					do_action(
+						"AHEE__Single_Page_Checkout__before_{$this->checkout->current_step->slug()}__{$this->checkout->action}",
+						$this->checkout->current_step
+					);
+					// call action on current step
+					if (call_user_func(array($this->checkout->current_step, $this->checkout->action))) {
+						// good registrant, you get to proceed
+						if ($this->checkout->current_step->success_message() !== ''
+							&& apply_filters(
+								'FHEE__Single_Page_Checkout___process_form_action__display_success',
+								false
+							)
+						) {
+							EE_Error::add_success(
+								$this->checkout->current_step->success_message()
+								. '<br />' . $this->checkout->next_step->_instructions()
+							);
+						}
+						// pack it up, pack it in...
+						$this->_setup_redirect();
+					}
+					// dynamically creates hook point like:
+					//  AHEE__Single_Page_Checkout__after_payment_options__process_reg_step
+					do_action(
+						"AHEE__Single_Page_Checkout__after_{$this->checkout->current_step->slug()}__{$this->checkout->action}",
+						$this->checkout->current_step
+					);
+				} else {
+					EE_Error::add_error(
+						sprintf(
+							__(
+								'The requested form action "%s" does not exist for the current "%s" registration step.',
+								'event_espresso'
+							),
+							$this->checkout->action,
+							$this->checkout->current_step->name()
+						),
+						__FILE__,
+						__FUNCTION__,
+						__LINE__
+					);
+				}
+			// end default
+		}
+		// store our progress so far
+		$this->checkout->stash_transaction_and_checkout();
+		// advance to the next step! If you pass GO, collect $200
+		$this->go_to_next_step();
+	}
+
+
+	/**
+	 *        add_styles_and_scripts
+	 *
+	 * @access        public
+	 * @return        void
+	 */
+	public function add_styles_and_scripts()
+	{
+		// i18n
+		$this->translate_js_strings();
+		if ($this->checkout->admin_request) {
+			add_action('admin_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
+		} else {
+			add_action('wp_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
+		}
+	}
+
+
+	/**
+	 *        translate_js_strings
+	 *
+	 * @access        public
+	 * @return        void
+	 */
+	public function translate_js_strings()
+	{
+		EE_Registry::$i18n_js_strings['revisit'] = $this->checkout->revisit;
+		EE_Registry::$i18n_js_strings['e_reg_url_link'] = $this->checkout->reg_url_link;
+		EE_Registry::$i18n_js_strings['server_error'] = __(
+			'An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['invalid_json_response'] = __(
+			'An invalid response was returned from the server while attempting to process your request. Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['validation_error'] = __(
+			'There appears to be a problem with the form validation configuration! Please check the admin settings or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['invalid_payment_method'] = __(
+			'There appears to be a problem with the payment method configuration! Please refresh the page and try again or contact support.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['reg_step_error'] = __(
+			'This registration step could not be completed. Please refresh the page and try again.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['invalid_coupon'] = __(
+			'We\'re sorry but that coupon code does not appear to be valid. If this is incorrect, please contact the site administrator.',
+			'event_espresso'
+		);
+		EE_Registry::$i18n_js_strings['process_registration'] = sprintf(
+			__(
+				'Please wait while we process your registration.%sDo not refresh the page or navigate away while this is happening.%sThank you for your patience.',
+				'event_espresso'
+			),
+			'<br/>',
+			'<br/>'
+		);
+		EE_Registry::$i18n_js_strings['language'] = get_bloginfo('language');
+		EE_Registry::$i18n_js_strings['EESID'] = EE_Registry::instance()->SSN->id();
+		EE_Registry::$i18n_js_strings['currency'] = EE_Registry::instance()->CFG->currency;
+		EE_Registry::$i18n_js_strings['datepicker_yearRange'] = '-150:+20';
+		EE_Registry::$i18n_js_strings['timer_years'] = __('years', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_months'] = __('months', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_weeks'] = __('weeks', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_days'] = __('days', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_hours'] = __('hours', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_minutes'] = __('minutes', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_seconds'] = __('seconds', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_year'] = __('year', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_month'] = __('month', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_week'] = __('week', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_day'] = __('day', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_hour'] = __('hour', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_minute'] = __('minute', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_second'] = __('second', 'event_espresso');
+		EE_Registry::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice(
+		);
+		EE_Registry::$i18n_js_strings['ajax_submit'] = apply_filters(
+			'FHEE__Single_Page_Checkout__translate_js_strings__ajax_submit',
+			true
+		);
+		EE_Registry::$i18n_js_strings['session_extension'] = absint(
+			apply_filters('FHEE__EE_Session__extend_expiration__seconds_added', 10 * MINUTE_IN_SECONDS)
+		);
+		EE_Registry::$i18n_js_strings['session_expiration'] = gmdate(
+			'M d, Y H:i:s',
+			EE_Registry::instance()->SSN->expiration() + (get_option('gmt_offset') * HOUR_IN_SECONDS)
+		);
+	}
+
+
+	/**
+	 *    enqueue_styles_and_scripts
+	 *
+	 * @access        public
+	 * @return        void
+	 * @throws EE_Error
+	 */
+	public function enqueue_styles_and_scripts()
+	{
+		// load css
+		wp_register_style(
+			'single_page_checkout',
+			SPCO_CSS_URL . 'single_page_checkout.css',
+			array('espresso_default'),
+			EVENT_ESPRESSO_VERSION
+		);
+		wp_enqueue_style('single_page_checkout');
+		// load JS
+		wp_register_script(
+			'jquery_plugin',
+			EE_THIRD_PARTY_URL . 'jquery	.plugin.min.js',
+			array('jquery'),
+			'1.0.1',
+			true
+		);
+		wp_register_script(
+			'jquery_countdown',
+			EE_THIRD_PARTY_URL . 'jquery	.countdown.min.js',
+			array('jquery_plugin'),
+			'2.1.0',
+			true
+		);
+		wp_register_script(
+			'single_page_checkout',
+			SPCO_JS_URL . 'single_page_checkout.js',
+			array('espresso_core', 'underscore', 'ee_form_section_validation'),
+			EVENT_ESPRESSO_VERSION,
+			true
+		);
+		if ($this->checkout->registration_form instanceof EE_Form_Section_Proper) {
+			$this->checkout->registration_form->enqueue_js();
+		}
+		if ($this->checkout->current_step->reg_form instanceof EE_Form_Section_Proper) {
+			$this->checkout->current_step->reg_form->enqueue_js();
+		}
+		wp_enqueue_script('single_page_checkout');
+		if (apply_filters('FHEE__registration_page_wrapper_template__display_time_limit', false)) {
+			wp_enqueue_script('jquery_countdown');
+		}
+		/**
+		 * global action hook for enqueueing styles and scripts with
+		 * spco calls.
+		 */
+		do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts', $this);
+		/**
+		 * dynamic action hook for enqueueing styles and scripts with spco calls.
+		 * The hook will end up being something like:
+		 *      AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__attendee_information
+		 */
+		do_action(
+			'AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__' . $this->checkout->current_step->slug(),
+			$this
+		);
+	}
+
+
+	/**
+	 *    display the Registration Single Page Checkout Form
+	 *
+	 * @access    private
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	private function _display_spco_reg_form()
+	{
+		// if registering via the admin, just display the reg form for the current step
+		if ($this->checkout->admin_request) {
+			EE_Registry::instance()->REQ->add_output($this->checkout->current_step->display_reg_form());
+		} else {
+			// add powered by EE msg
+			add_action('AHEE__SPCO__reg_form_footer', array('EED_Single_Page_Checkout', 'display_registration_footer'));
+			$empty_cart = count($this->checkout->transaction
+									->registrations($this->checkout->reg_cache_where_params)) < 1;
+			EE_Registry::$i18n_js_strings['empty_cart'] = $empty_cart;
+			$cookies_not_set_msg = '';
+			if ($empty_cart) {
+				$cookies_not_set_msg = apply_filters(
+					'FHEE__Single_Page_Checkout__display_spco_reg_form__cookies_not_set_msg',
+					sprintf(
+						__(
+							'%1$s%3$sIt appears your browser is not currently set to accept Cookies%4$s%5$sIn order to register for events, you need to enable cookies.%7$sIf you require assistance, then click the following link to learn how to %8$senable cookies%9$s%6$s%2$s',
+							'event_espresso'
+						),
+						'<div class="ee-attention hidden" id="ee-cookies-not-set-msg">',
+						'</div>',
+						'<h6 class="important-notice">',
+						'</h6>',
+						'<p>',
+						'</p>',
+						'<br />',
+						'<a href="http://www.whatarecookies.com/enable.asp" target="_blank">',
+						'</a>'
+					)
+				);
+			}
+			$this->checkout->registration_form = new EE_Form_Section_Proper(
+				array(
+					'name'            => 'single-page-checkout',
+					'html_id'         => 'ee-single-page-checkout-dv',
+					'layout_strategy' =>
+						new EE_Template_Layout(
+							array(
+								'layout_template_file' => SPCO_TEMPLATES_PATH . 'registration_page_wrapper.template.php',
+								'template_args'        => array(
+									'empty_cart'              => $empty_cart,
+									'revisit'                 => $this->checkout->revisit,
+									'reg_steps'               => $this->checkout->reg_steps,
+									'next_step'               => $this->checkout->next_step instanceof EE_SPCO_Reg_Step
+										? $this->checkout->next_step->slug()
+										: '',
+									'empty_msg'               => apply_filters(
+										'FHEE__Single_Page_Checkout__display_spco_reg_form__empty_msg',
+										sprintf(
+											__(
+												'You need to %1$sReturn to Events list%2$sselect at least one event%3$s before you can proceed with the registration process.',
+												'event_espresso'
+											),
+											'<a href="'
+											. get_post_type_archive_link('espresso_events')
+											. '" title="',
+											'">',
+											'</a>'
+										)
+									),
+									'cookies_not_set_msg'     => $cookies_not_set_msg,
+									'registration_time_limit' => $this->checkout->get_registration_time_limit(),
+									'session_expiration'      => gmdate(
+										'M d, Y H:i:s',
+										EE_Registry::instance()->SSN->expiration()
+										+ (get_option('gmt_offset') * HOUR_IN_SECONDS)
+									),
+								),
+							)
+						),
+				)
+			);
+			// load template and add to output sent that gets filtered into the_content()
+			EE_Registry::instance()->REQ->add_output($this->checkout->registration_form->get_html());
+		}
+	}
+
+
+	/**
+	 *    add_extra_finalize_registration_inputs
+	 *
+	 * @access    public
+	 * @param $next_step
+	 * @internal  param string $label
+	 * @return void
+	 */
+	public function add_extra_finalize_registration_inputs($next_step)
+	{
+		if ($next_step === 'finalize_registration') {
+			echo '<div id="spco-extra-finalize_registration-inputs-dv"></div>';
+		}
+	}
+
+
+	/**
+	 *    display_registration_footer
+	 *
+	 * @access    public
+	 * @return    string
+	 */
+	public static function display_registration_footer()
+	{
+		if (apply_filters(
+			'FHEE__EE_Front__Controller__show_reg_footer',
+			EE_Registry::instance()->CFG->admin->show_reg_footer
+		)) {
+			add_filter(
+				'FHEE__EEH_Template__powered_by_event_espresso__url',
+				function ($url) {
+					return apply_filters('FHEE__EE_Front_Controller__registration_footer__url', $url);
+				}
+			);
+			echo apply_filters(
+				'FHEE__EE_Front_Controller__display_registration_footer',
+				\EEH_Template::powered_by_event_espresso(
+					'',
+					'espresso-registration-footer-dv',
+					array('utm_content' => 'registration_checkout')
+				)
+			);
+		}
+		return '';
+	}
+
+
+	/**
+	 *    unlock_transaction
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws EE_Error
+	 */
+	public function unlock_transaction()
+	{
+		if ($this->checkout->transaction instanceof EE_Transaction) {
+			$this->checkout->transaction->unlock();
+		}
+	}
+
+
+	/**
+	 *        _setup_redirect
+	 *
+	 * @access    private
+	 * @return void
+	 */
+	private function _setup_redirect()
+	{
+		if ($this->checkout->continue_reg && $this->checkout->next_step instanceof EE_SPCO_Reg_Step) {
+			$this->checkout->redirect = true;
+			if (empty($this->checkout->redirect_url)) {
+				$this->checkout->redirect_url = $this->checkout->next_step->reg_step_url();
+			}
+			$this->checkout->redirect_url = apply_filters(
+				'FHEE__EED_Single_Page_Checkout___setup_redirect__checkout_redirect_url',
+				$this->checkout->redirect_url,
+				$this->checkout
+			);
+		}
+	}
+
+
+	/**
+	 *   handle ajax message responses and redirects
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public function go_to_next_step()
+	{
+		if (EE_Registry::instance()->REQ->ajax) {
+			// capture contents of output buffer we started earlier in the request, and insert into JSON response
+			$this->checkout->json_response->set_unexpected_errors(ob_get_clean());
+		}
+		$this->unlock_transaction();
+		// just return for these conditions
+		if ($this->checkout->admin_request
+			|| $this->checkout->action === 'redirect_form'
+			|| $this->checkout->action === 'update_checkout'
+		) {
+			return;
+		}
+		// AJAX response
+		$this->_handle_json_response();
+		// redirect to next step or the Thank You page
+		$this->_handle_html_redirects();
+		// hmmm... must be something wrong, so let's just display the form again !
+		$this->_display_spco_reg_form();
+	}
+
+
+	/**
+	 *   _handle_json_response
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _handle_json_response()
+	{
+		// if this is an ajax request
+		if (EE_Registry::instance()->REQ->ajax) {
+			$this->checkout->json_response->set_registration_time_limit(
+				$this->checkout->get_registration_time_limit()
+			);
+			$this->checkout->json_response->set_payment_amount($this->checkout->amount_owing);
+			// just send the ajax (
+			$json_response = apply_filters(
+				'FHEE__EE_Single_Page_Checkout__JSON_response',
+				$this->checkout->json_response
+			);
+			echo $json_response;
+			exit();
+		}
+	}
+
+
+	/**
+	 *   _handle_redirects
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _handle_html_redirects()
+	{
+		// going somewhere ?
+		if ($this->checkout->redirect && ! empty($this->checkout->redirect_url)) {
+			// store notices in a transient
+			EE_Error::get_notices(false, true, true);
+			wp_safe_redirect($this->checkout->redirect_url);
+			exit();
+		}
+	}
+
+
+	/**
+	 *   set_checkout_anchor
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function set_checkout_anchor()
+	{
+		echo '<a id="checkout" style="float: left; margin-left: -999em;"></a>';
+	}
+
+	/**
+	 *    getRegistrationExpirationNotice
+	 *
+	 * @since     4.9.59.p
+	 * @access    public
+	 * @return    string
+	 */
+	public static function getRegistrationExpirationNotice()
+	{
+		return sprintf(
+			__(
+				'%1$sWe\'re sorry, but your registration time has expired.%2$s%3$s%4$sIf you still wish to complete your registration, please return to the %5$sEvent List%6$sEvent List%7$s and reselect your tickets if available. Please accept our apologies for any inconvenience this may have caused.%8$s',
+				'event_espresso'
+			),
+			'<h4 class="important-notice">',
+			'</h4>',
+			'<br />',
+			'<p>',
+			'<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+			'">',
+			'</a>',
+			'</p>'
+		);
+	}
 }

Spacing +44 added lines, -44 removed lines

@@ -100,7 +100,7 @@ 
     public static function set_hooks_admin()
     {
         EED_Single_Page_Checkout::set_definitions();
-        if (! (defined('DOING_AJAX') && DOING_AJAX)) {
+        if ( ! (defined('DOING_AJAX') && DOING_AJAX)) {
             return;
         }
         // going to start an output buffer in case anything gets accidentally output
@@ -206,14 +206,14 @@ 
         }
         define(
             'SPCO_BASE_PATH',
-            rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS) . DS
+            rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS).DS
         );
-        define('SPCO_CSS_URL', plugin_dir_url(__FILE__) . 'css' . DS);
-        define('SPCO_IMG_URL', plugin_dir_url(__FILE__) . 'img' . DS);
-        define('SPCO_JS_URL', plugin_dir_url(__FILE__) . 'js' . DS);
-        define('SPCO_INC_PATH', SPCO_BASE_PATH . 'inc' . DS);
-        define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH . 'reg_steps' . DS);
-        define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH . 'templates' . DS);
+        define('SPCO_CSS_URL', plugin_dir_url(__FILE__).'css'.DS);
+        define('SPCO_IMG_URL', plugin_dir_url(__FILE__).'img'.DS);
+        define('SPCO_JS_URL', plugin_dir_url(__FILE__).'js'.DS);
+        define('SPCO_INC_PATH', SPCO_BASE_PATH.'inc'.DS);
+        define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH.'reg_steps'.DS);
+        define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH.'templates'.DS);
         EEH_Autoloader::register_autoloaders_for_each_file_in_folder(SPCO_BASE_PATH, true);
         EE_Registry::$i18n_js_strings['registration_expiration_notice'] = EED_Single_Page_Checkout::getRegistrationExpirationNotice(
         );
@@ -245,7 +245,7 @@ 
             // we need a
             if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
                 // copy over to the reg_steps_array
-                EED_Single_Page_Checkout::$_reg_steps_array[ $order ] = $reg_step;
+                EED_Single_Page_Checkout::$_reg_steps_array[$order] = $reg_step;
                 // register custom key route for each reg step
                 // ie: step=>"slug" - this is the entire reason we load the reg steps array now
                 EE_Config::register_route(
@@ -257,7 +257,7 @@ 
                 // add AJAX or other hooks
                 if (isset($reg_step['has_hooks']) && $reg_step['has_hooks']) {
                     // setup autoloaders if necessary
-                    if (! class_exists($reg_step['class_name'])) {
+                    if ( ! class_exists($reg_step['class_name'])) {
                         EEH_Autoloader::register_autoloaders_for_each_file_in_folder(
                             $reg_step['file_path'],
                             true
@@ -285,19 +285,19 @@ 
         if (empty($reg_steps)) {
             $reg_steps = array(
                 10  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'attendee_information',
+                    'file_path'  => SPCO_REG_STEPS_PATH.'attendee_information',
                     'class_name' => 'EE_SPCO_Reg_Step_Attendee_Information',
                     'slug'       => 'attendee_information',
                     'has_hooks'  => false,
                 ),
                 30  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'payment_options',
+                    'file_path'  => SPCO_REG_STEPS_PATH.'payment_options',
                     'class_name' => 'EE_SPCO_Reg_Step_Payment_Options',
                     'slug'       => 'payment_options',
                     'has_hooks'  => true,
                 ),
                 999 => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'finalize_registration',
+                    'file_path'  => SPCO_REG_STEPS_PATH.'finalize_registration',
                     'class_name' => 'EE_SPCO_Reg_Step_Finalize_Registration',
                     'slug'       => 'finalize_registration',
                     'has_hooks'  => false,
@@ -450,7 +450,7 @@ 
                 $this->checkout
             );
             // load the reg steps array
-            if (! $this->_load_and_instantiate_reg_steps()) {
+            if ( ! $this->_load_and_instantiate_reg_steps()) {
                 EED_Single_Page_Checkout::$_initialized = true;
                 return;
             }
@@ -459,7 +459,7 @@ 
             // and the next step
             $this->checkout->set_next_step();
             // verify that everything has been setup correctly
-            if (! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
+            if ( ! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
                 EED_Single_Page_Checkout::$_initialized = true;
                 return;
             }
@@ -474,7 +474,7 @@ 
             // DEBUG LOG
             // $this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
             // get reg form
-            if (! $this->_check_form_submission()) {
+            if ( ! $this->_check_form_submission()) {
                 EED_Single_Page_Checkout::$_initialized = true;
                 return;
             }
@@ -505,7 +505,7 @@ 
      */
     private function _verify_session()
     {
-        if (! EE_Registry::instance()->SSN instanceof EE_Session) {
+        if ( ! EE_Registry::instance()->SSN instanceof EE_Session) {
             throw new EE_Error(__('The EE_Session class could not be loaded.', 'event_espresso'));
         }
         $clear_session_requested = filter_var(
@@ -523,7 +523,7 @@ 
             // EE_Registry::instance()->SSN->reset_cart();
             // EE_Registry::instance()->SSN->reset_checkout();
             // EE_Registry::instance()->SSN->reset_transaction();
-            if (! $clear_session_requested) {
+            if ( ! $clear_session_requested) {
                 EE_Error::add_attention(
                     EE_Registry::$i18n_js_strings['registration_expiration_notice'],
                     __FILE__,
@@ -550,7 +550,7 @@ 
         /** @type EE_Checkout $checkout */
         $checkout = EE_Registry::instance()->SSN->checkout();
         // verify
-        if (! $checkout instanceof EE_Checkout) {
+        if ( ! $checkout instanceof EE_Checkout) {
             // instantiate EE_Checkout object for handling the properties of the current checkout process
             $checkout = EE_Registry::instance()->load_file(
                 SPCO_INC_PATH,
@@ -568,7 +568,7 @@ 
         }
         $checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize_checkout__checkout', $checkout);
         // verify again
-        if (! $checkout instanceof EE_Checkout) {
+        if ( ! $checkout instanceof EE_Checkout) {
             throw new EE_Error(__('The EE_Checkout class could not be loaded.', 'event_espresso'));
         }
         // reset anything that needs a clean slate for each request
@@ -640,7 +640,7 @@ 
      */
     protected function _display_request_vars()
     {
-        if (! WP_DEBUG) {
+        if ( ! WP_DEBUG) {
             return;
         }
         EEH_Debug_Tools::printr($_REQUEST, '$_REQUEST', __FILE__, __LINE__);
@@ -717,7 +717,7 @@ 
         ) {
             // if not, then loop through raw reg steps array
             foreach (EED_Single_Page_Checkout::$_reg_steps_array as $order => $reg_step) {
-                if (! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
+                if ( ! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
                     return false;
                 }
             }
@@ -848,12 +848,12 @@ 
     private function _verify_transaction_and_get_registrations()
     {
         // was there already a valid transaction in the checkout from the session ?
-        if (! $this->checkout->transaction instanceof EE_Transaction) {
+        if ( ! $this->checkout->transaction instanceof EE_Transaction) {
             // get transaction from db or session
             $this->checkout->transaction = $this->checkout->reg_url_link && ! is_admin()
                 ? $this->_get_transaction_and_cart_for_previous_visit()
                 : $this->_get_cart_for_current_session_and_setup_new_transaction();
-            if (! $this->checkout->transaction instanceof EE_Transaction) {
+            if ( ! $this->checkout->transaction instanceof EE_Transaction) {
                 EE_Error::add_error(
                     __(
                         'Your Registration and Transaction information could not be retrieved from the db.',
@@ -1084,16 +1084,16 @@ 
                         )
                     );
                     // override capabilities for frontend registrations
-                    if (! is_admin()) {
+                    if ( ! is_admin()) {
                         $CreateRegistrationCommand->setCapCheck(
                             new PublicCapabilities('', 'create_new_registration')
                         );
                     }
                     $registration = EE_Registry::instance()->BUS->execute($CreateRegistrationCommand);
-                    if (! $registration instanceof EE_Registration) {
+                    if ( ! $registration instanceof EE_Registration) {
                         throw new InvalidEntityException($registration, 'EE_Registration');
                     }
-                    $registrations[ $registration->ID() ] = $registration;
+                    $registrations[$registration->ID()] = $registration;
                 }
             }
             $registration_processor->fix_reg_final_price_rounding_issue($transaction);
@@ -1136,7 +1136,7 @@ 
             $this->checkout
         );
         // verify that current step is still set correctly
-        if (! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
+        if ( ! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
             EE_Error::add_error(
                 __(
                     'We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.',
@@ -1149,9 +1149,9 @@ 
             return false;
         }
         // if returning to SPCO, then verify that primary registrant is set
-        if (! empty($this->checkout->reg_url_link)) {
+        if ( ! empty($this->checkout->reg_url_link)) {
             $valid_registrant = $this->checkout->transaction->primary_registration();
-            if (! $valid_registrant instanceof EE_Registration) {
+            if ( ! $valid_registrant instanceof EE_Registration) {
                 EE_Error::add_error(
                     __(
                         'We\'re sorry but there appears to be an error with the "reg_url_link" or the primary registrant for this transaction. Please refresh the page and try again or contact support.',
@@ -1171,7 +1171,7 @@ 
                     $valid_registrant = $registration;
                 }
             }
-            if (! $valid_registrant instanceof EE_Registration) {
+            if ( ! $valid_registrant instanceof EE_Registration) {
                 // hmmm... maybe we have the wrong session because the user is opening multiple tabs ?
                 if (EED_Single_Page_Checkout::$_checkout_verified) {
                     // clear the session, mark the checkout as unverified, and try again
@@ -1215,9 +1215,9 @@ 
         $this->checkout->set_reg_step_initiated($this->checkout->current_step);
         // loop thru all steps to call their individual "initialize" methods and set i18n strings for JS
         foreach ($this->checkout->reg_steps as $reg_step) {
-            if (! $reg_step->initialize_reg_step()) {
+            if ( ! $reg_step->initialize_reg_step()) {
                 // if not initialized then maybe this step is being removed...
-                if (! $reinitializing && $reg_step->is_current_step()) {
+                if ( ! $reinitializing && $reg_step->is_current_step()) {
                     // if it was the current step, then we need to start over here
                     $this->_initialize_reg_steps(true);
                     return;
@@ -1269,7 +1269,7 @@ 
                         )
                     );
                     // validate submitted form data
-                    if (! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
+                    if ( ! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
                         // thou shall not pass !!!
                         $this->checkout->continue_reg = false;
                         // any form validation errors?
@@ -1317,7 +1317,7 @@ 
                 break;
             default:
                 // meh... do one of those other steps first
-                if (! empty($this->checkout->action)
+                if ( ! empty($this->checkout->action)
                     && is_callable(array($this->checkout->current_step, $this->checkout->action))
                 ) {
                     // dynamically creates hook point like:
@@ -1337,7 +1337,7 @@ 
                         ) {
                             EE_Error::add_success(
                                 $this->checkout->current_step->success_message()
-                                . '<br />' . $this->checkout->next_step->_instructions()
+                                . '<br />'.$this->checkout->next_step->_instructions()
                             );
                         }
                         // pack it up, pack it in...
@@ -1479,7 +1479,7 @@ 
         // load css
         wp_register_style(
             'single_page_checkout',
-            SPCO_CSS_URL . 'single_page_checkout.css',
+            SPCO_CSS_URL.'single_page_checkout.css',
             array('espresso_default'),
             EVENT_ESPRESSO_VERSION
         );
@@ -1487,21 +1487,21 @@ 
         // load JS
         wp_register_script(
             'jquery_plugin',
-            EE_THIRD_PARTY_URL . 'jquery	.plugin.min.js',
+            EE_THIRD_PARTY_URL.'jquery	.plugin.min.js',
             array('jquery'),
             '1.0.1',
             true
         );
         wp_register_script(
             'jquery_countdown',
-            EE_THIRD_PARTY_URL . 'jquery	.countdown.min.js',
+            EE_THIRD_PARTY_URL.'jquery	.countdown.min.js',
             array('jquery_plugin'),
             '2.1.0',
             true
         );
         wp_register_script(
             'single_page_checkout',
-            SPCO_JS_URL . 'single_page_checkout.js',
+            SPCO_JS_URL.'single_page_checkout.js',
             array('espresso_core', 'underscore', 'ee_form_section_validation'),
             EVENT_ESPRESSO_VERSION,
             true
@@ -1527,7 +1527,7 @@ 
          *      AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__attendee_information
          */
         do_action(
-            'AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__' . $this->checkout->current_step->slug(),
+            'AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__'.$this->checkout->current_step->slug(),
             $this
         );
     }
@@ -1579,7 +1579,7 @@ 
                     'layout_strategy' =>
                         new EE_Template_Layout(
                             array(
-                                'layout_template_file' => SPCO_TEMPLATES_PATH . 'registration_page_wrapper.template.php',
+                                'layout_template_file' => SPCO_TEMPLATES_PATH.'registration_page_wrapper.template.php',
                                 'template_args'        => array(
                                     'empty_cart'              => $empty_cart,
                                     'revisit'                 => $this->checkout->revisit,
@@ -1649,7 +1649,7 @@ 
         )) {
             add_filter(
                 'FHEE__EEH_Template__powered_by_event_espresso__url',
-                function ($url) {
+                function($url) {
                     return apply_filters('FHEE__EE_Front_Controller__registration_footer__url', $url);
                 }
             );
@@ -1805,7 +1805,7 @@ 
             '</h4>',
             '<br />',
             '<p>',
-            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+            '<a href="'.get_post_type_archive_link('espresso_events').'" title="',
             '">',
             '</a>',
             '</p>'

core/libraries/payment_methods/EE_Gateway.lib.php

Indentation +491 added lines, -491 removed lines

@@ -23,495 +23,495 @@
  */
 abstract class EE_Gateway
 {
-    /**
-     * a constant used as a possible value for $_currencies_supported to indicate
-     * that ALL currencies are supported by this gateway
-     */
-    const all_currencies_supported = 'all_currencies_supported';
-    /**
-     * Where values are 3-letter currency codes
-     *
-     * @var array
-     */
-    protected $_currencies_supported = array();
-    /**
-     * Whether or not this gateway can support SENDING a refund request (ie, initiated by
-     * admin in EE's wp-admin page)
-     *
-     * @var boolean
-     */
-    protected $_supports_sending_refunds = false;
-
-    /**
-     * Whether or not this gateway can support RECEIVING a refund request from the payment
-     * provider (ie, initiated by admin on the payment prover's website who sends an IPN to EE)
-     *
-     * @var boolean
-     */
-    protected $_supports_receiving_refunds = false;
-    /**
-     * Model for querying for existing payments
-     *
-     * @var EEMI_Payment
-     */
-    protected $_pay_model;
-
-    /**
-     * Model used for adding to the payments log
-     *
-     * @var EEMI_Payment_Log
-     */
-    protected $_pay_log;
-
-    /**
-     * Used for formatting some input to gateways
-     *
-     * @var EEHI_Template
-     */
-    protected $_template;
-
-    /**
-     * Concrete class that implements EEHI_Money, used by most gateways
-     *
-     * @var EEHI_Money
-     */
-    protected $_money;
-
-    /**
-     * Concrete class that implements EEHI_Line_Item, used for manipulating the line item tree
-     *
-     * @var EEHI_Line_Item
-     */
-    protected $_line_item;
-
-    /**
-     * @var GatewayDataFormatterInterface
-     */
-    protected $_gateway_data_formatter;
-
-    /**
-     * @var FormatterInterface
-     */
-    protected $_unsupported_character_remover;
-
-    /**
-     * The ID of the payment method using this gateway
-     *
-     * @var int
-     */
-    protected $_ID;
-
-    /**
-     * @var $_debug_mode boolean whether to send requests to teh sandbox site or not
-     */
-    protected $_debug_mode;
-    /**
-     *
-     * @var string $_name name to show for this payment method
-     */
-    protected $_name;
-    /**
-     *
-     * @var string name to show fir this payment method to admin-type users
-     */
-    protected $_admin_name;
-
-    /**
-     * @return EE_Gateway
-     */
-    public function __construct()
-    {
-    }
-
-    /**
-     * We don't want to serialize models as they often have circular structures
-     * (eg a payment model has a reference to each payment model object; and most
-     * payments have a transaction, most transactions have a payment method;
-     * most payment methods have a payment method type; most payment method types
-     * have a gateway. And if a gateway serializes its models, we start at the
-     * beginning again)
-     *
-     * @return array
-     */
-    public function __sleep()
-    {
-        $properties = get_object_vars($this);
-        unset($properties['_pay_model'], $properties['_pay_log']);
-        return array_keys($properties);
-    }
-
-    /**
-     * Returns whether or not this gateway should support SENDING refunds
-     * see $_supports_sending_refunds
-     *
-     * @return boolean
-     */
-    public function supports_sending_refunds()
-    {
-        return $this->_supports_sending_refunds;
-    }
-
-    /**
-     * Returns whether or not this gateway should support RECEIVING refunds
-     * see $_supports_receiving_refunds
-     *
-     * @return boolean
-     */
-    public function supports_receiving_refunds()
-    {
-        return $this->_supports_receiving_refunds;
-    }
-
-
-    /**
-     * Tries to refund the payment specified, taking into account the extra
-     * refund info. Note that if the gateway's _supports_sending_refunds is false,
-     * this should just throw an exception.
-     *
-     * @param EE_Payment $payment
-     * @param array      $refund_info
-     * @return EE_Payment for the refund
-     * @throws EE_Error
-     */
-    public function do_direct_refund(EE_Payment $payment, $refund_info = null)
-    {
-        return null;
-    }
-
-
-    /**
-     * Sets the payment method's settings so the gateway knows where to send the request
-     * etc
-     *
-     * @param array $settings_array
-     */
-    public function set_settings($settings_array)
-    {
-        foreach ($settings_array as $name => $value) {
-            $property_name = "_" . $name;
-            $this->{$property_name} = $value;
-        }
-    }
-
-    /**
-     * See this class description
-     *
-     * @param EEMI_Payment $payment_model
-     */
-    public function set_payment_model($payment_model)
-    {
-        $this->_pay_model = $payment_model;
-    }
-
-    /**
-     * See this class description
-     *
-     * @param EEMI_Payment_Log $payment_log_model
-     */
-    public function set_payment_log($payment_log_model)
-    {
-        $this->_pay_log = $payment_log_model;
-    }
-
-    /**
-     * See this class description
-     *
-     * @param EEHI_Template $template_helper
-     */
-    public function set_template_helper($template_helper)
-    {
-        $this->_template = $template_helper;
-    }
-
-    /**
-     * See this class description
-     *
-     * @param EEHI_Line_Item $line_item_helper
-     */
-    public function set_line_item_helper($line_item_helper)
-    {
-        $this->_line_item = $line_item_helper;
-    }
-
-    /**
-     * See this class description
-     *
-     * @param EEHI_Money $money_helper
-     */
-    public function set_money_helper($money_helper)
-    {
-        $this->_money = $money_helper;
-    }
-
-
-    /**
-     * Sets the gateway data formatter helper
-     *
-     * @param GatewayDataFormatterInterface $gateway_data_formatter
-     * @throws InvalidEntityException if it's not set properly
-     */
-    public function set_gateway_data_formatter(GatewayDataFormatterInterface $gateway_data_formatter)
-    {
-        if (! $gateway_data_formatter instanceof GatewayDataFormatterInterface) {
-            throw new InvalidEntityException(
-                is_object($gateway_data_formatter)
-                    ? get_class($gateway_data_formatter)
-                    : esc_html__('Not an object', 'event_espresso'),
-                '\\EventEspresso\\core\\services\\payment_methods\\gateways\\GatewayDataFormatterInterface'
-            );
-        }
-        $this->_gateway_data_formatter = $gateway_data_formatter;
-    }
-
-    /**
-     * Gets the gateway data formatter
-     *
-     * @return GatewayDataFormatterInterface
-     * @throws InvalidEntityException if it's not set properly
-     */
-    protected function _get_gateway_formatter()
-    {
-        if (! $this->_gateway_data_formatter instanceof GatewayDataFormatterInterface) {
-            throw new InvalidEntityException(
-                is_object($this->_gateway_data_formatter)
-                    ? get_class($this->_gateway_data_formatter)
-                    : esc_html__('Not an object', 'event_espresso'),
-                '\\EventEspresso\\core\\services\\payment_methods\\gateways\\GatewayDataFormatterInterface'
-            );
-        }
-        return $this->_gateway_data_formatter;
-    }
-
-
-    /**
-     * Sets the helper which will remove unsupported characters for most gateways
-     *
-     * @param FormatterInterface $formatter
-     * @return FormatterInterface
-     * @throws InvalidEntityException
-     */
-    public function set_unsupported_character_remover(FormatterInterface $formatter)
-    {
-        if (! $formatter instanceof FormatterInterface) {
-            throw new InvalidEntityException(
-                is_object($formatter)
-                    ? get_class($formatter)
-                    : esc_html__('Not an object', 'event_espresso'),
-                '\\EventEspresso\\core\\services\\formatters\\FormatterInterface'
-            );
-        }
-        $this->_unsupported_character_remover = $formatter;
-    }
-
-    /**
-     * Gets the helper which removes characters which gateways might not support, like emojis etc.
-     *
-     * @return FormatterInterface
-     * @throws InvalidEntityException
-     */
-    protected function _get_unsupported_character_remover()
-    {
-        if (! $this->_unsupported_character_remover instanceof FormatterInterface) {
-            throw new InvalidEntityException(
-                is_object($this->_unsupported_character_remover)
-                    ? get_class($this->_unsupported_character_remover)
-                    : esc_html__('Not an object', 'event_espresso'),
-                '\\EventEspresso\\core\\services\\formatters\\FormatterInterface'
-            );
-        }
-        return $this->_unsupported_character_remover;
-    }
-
-
-    /**
-     * @param $message
-     * @param $payment
-     */
-    public function log($message, $object_logged)
-    {
-        if ($object_logged instanceof EEI_Payment) {
-            $type = 'Payment';
-            $id = $object_logged->ID();
-        } elseif ($object_logged instanceof EEI_Transaction) {
-            $type = 'Transaction';
-            $id = $object_logged->ID();
-        } else {
-            $type = 'Payment_Method';
-            $id = $this->_ID;
-        }
-        // only log if we're going to store it for longer than the minimum time
-        $reg_config = LoaderFactory::getLoader()->load('EE_Registration_Config');
-        if ($reg_config->gateway_log_lifespan !== '1 second') {
-            $this->_pay_log->gateway_log($message, $id, $type);
-        }
-    }
-
-    /**
-     * Formats the amount so it can generally be sent to gateways
-     *
-     * @param float $amount
-     * @return string
-     * @deprecated since 4.9.31 insetad use
-     *             EventEspresso\core\services\payment_methods\gateways\GatewayDataFormatter::format_currency()
-     */
-    public function format_currency($amount)
-    {
-        return $this->_get_gateway_formatter()->formatCurrency($amount);
-    }
-
-    /**
-     * Returns either an array of all the currency codes supported,
-     * or a string indicating they're all supported (EE_gateway::all_currencies_supported)
-     *
-     * @return mixed array or string
-     */
-    public function currencies_supported()
-    {
-        return $this->_currencies_supported;
-    }
-
-    /**
-     * Returns what a simple summing of items and taxes for this transaction. This
-     * can be used to determine if some more complex line items, like promotions,
-     * surcharges, or cancellations occurred (in which case we might want to forget
-     * about creating an itemized list of purchases and instead only send the total due)
-     *
-     * @param EE_Transaction $transaction
-     * @return float
-     */
-    protected function _sum_items_and_taxes(EE_Transaction $transaction)
-    {
-        $total_line_item = $transaction->total_line_item();
-        $total = 0;
-        foreach ($total_line_item->get_items() as $item_line_item) {
-            $total += max($item_line_item->total(), 0);
-        }
-        foreach ($total_line_item->tax_descendants() as $tax_line_item) {
-            $total += max($tax_line_item->total(), 0);
-        }
-        return $total;
-    }
-
-    /**
-     * Determines whether or not we can easily itemize the transaction using only
-     * items and taxes (ie, no promotions or surcharges or cancellations needed)
-     *
-     * @param EEI_Payment $payment
-     * @return boolean
-     */
-    protected function _can_easily_itemize_transaction_for(EEI_Payment $payment)
-    {
-        return $this->_money->compare_floats(
-            $this->_sum_items_and_taxes($payment->transaction()),
-            $payment->transaction()->total()
-        )
-               && $this->_money->compare_floats(
-                   $payment->amount(),
-                   $payment->transaction()->total()
-               );
-    }
-
-    /**
-     * Handles updating the transaction and any other related data based on the payment.
-     * You may be tempted to do this as part of do_direct_payment or handle_payment_update,
-     * but doing so on those functions might be too early. It's possible that the changes
-     * you make to teh transaction or registration or line items may just get overwritten
-     * at that point. Instead, you should store any info you need on the payment during those
-     * functions, and use that information at this step, which client code will decide
-     * for you when it should be called.
-     *
-     * @param EE_Payment $payment
-     * @return void
-     */
-    public function update_txn_based_on_payment($payment)
-    {
-        // maybe update the transaction or line items or registrations
-        // but most gateways don't need to do this, because they only update the payment
-    }
-
-    /**
-     * Gets the first event for this payment (it's possible that it could be for multiple)
-     *
-     * @param EEI_Payment $payment
-     * @return EEI_Event|null
-     * @deprecated since 4.9.31 instead use EEI_Payment::get_first_event()
-     */
-    protected function _get_first_event_for_payment(EEI_Payment $payment)
-    {
-        return $payment->get_first_event();
-    }
-
-    /**
-     * Gets the name of the first event for which is being paid
-     *
-     * @param EEI_Payment $payment
-     * @return string
-     * @deprecated since 4.9.31 instead use EEI_Payment::get_first_event_name()
-     */
-    protected function _get_first_event_name_for_payment(EEI_Payment $payment)
-    {
-        return $payment->get_first_event_name();
-    }
-
-    /**
-     * Gets the text to use for a gateway's line item name when this is a partial payment
-     *
-     * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatPartialPaymentLineItemName($payment)
-     * @param EE_Payment $payment
-     * @return string
-     */
-    protected function _format_partial_payment_line_item_name(EEI_Payment $payment)
-    {
-        return $this->_get_gateway_formatter()->formatPartialPaymentLineItemName($payment);
-    }
-
-    /**
-     * Gets the text to use for a gateway's line item description when this is a partial payment
-     *
-     * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatPartialPaymentLineItemDesc()
-     * @param EEI_Payment $payment
-     * @return string
-     */
-    protected function _format_partial_payment_line_item_desc(EEI_Payment $payment)
-    {
-        return $this->_get_gateway_formatter()->formatPartialPaymentLineItemDesc($payment);
-    }
-
-    /**
-     * Gets the name to use for a line item when sending line items to the gateway
-     *
-     * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatLineItemName($line_item,$payment)
-     * @param EEI_Line_Item $line_item
-     * @param EEI_Payment   $payment
-     * @return string
-     */
-    protected function _format_line_item_name(EEI_Line_Item $line_item, EEI_Payment $payment)
-    {
-        return $this->_get_gateway_formatter()->formatLineItemName($line_item, $payment);
-    }
-
-    /**
-     * Gets the description to use for a line item when sending line items to the gateway
-     *
-     * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatLineItemDesc($line_item, $payment))
-     * @param EEI_Line_Item $line_item
-     * @param EEI_Payment   $payment
-     * @return string
-     */
-    protected function _format_line_item_desc(EEI_Line_Item $line_item, EEI_Payment $payment)
-    {
-        return $this->_get_gateway_formatter()->formatLineItemDesc($line_item, $payment);
-    }
-
-    /**
-     * Gets the order description that should generlly be sent to gateways
-     *
-     * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatOrderDescription($payment)
-     * @param EEI_Payment $payment
-     * @return type
-     */
-    protected function _format_order_description(EEI_Payment $payment)
-    {
-        return $this->_get_gateway_formatter()->formatOrderDescription($payment);
-    }
+	/**
+	 * a constant used as a possible value for $_currencies_supported to indicate
+	 * that ALL currencies are supported by this gateway
+	 */
+	const all_currencies_supported = 'all_currencies_supported';
+	/**
+	 * Where values are 3-letter currency codes
+	 *
+	 * @var array
+	 */
+	protected $_currencies_supported = array();
+	/**
+	 * Whether or not this gateway can support SENDING a refund request (ie, initiated by
+	 * admin in EE's wp-admin page)
+	 *
+	 * @var boolean
+	 */
+	protected $_supports_sending_refunds = false;
+
+	/**
+	 * Whether or not this gateway can support RECEIVING a refund request from the payment
+	 * provider (ie, initiated by admin on the payment prover's website who sends an IPN to EE)
+	 *
+	 * @var boolean
+	 */
+	protected $_supports_receiving_refunds = false;
+	/**
+	 * Model for querying for existing payments
+	 *
+	 * @var EEMI_Payment
+	 */
+	protected $_pay_model;
+
+	/**
+	 * Model used for adding to the payments log
+	 *
+	 * @var EEMI_Payment_Log
+	 */
+	protected $_pay_log;
+
+	/**
+	 * Used for formatting some input to gateways
+	 *
+	 * @var EEHI_Template
+	 */
+	protected $_template;
+
+	/**
+	 * Concrete class that implements EEHI_Money, used by most gateways
+	 *
+	 * @var EEHI_Money
+	 */
+	protected $_money;
+
+	/**
+	 * Concrete class that implements EEHI_Line_Item, used for manipulating the line item tree
+	 *
+	 * @var EEHI_Line_Item
+	 */
+	protected $_line_item;
+
+	/**
+	 * @var GatewayDataFormatterInterface
+	 */
+	protected $_gateway_data_formatter;
+
+	/**
+	 * @var FormatterInterface
+	 */
+	protected $_unsupported_character_remover;
+
+	/**
+	 * The ID of the payment method using this gateway
+	 *
+	 * @var int
+	 */
+	protected $_ID;
+
+	/**
+	 * @var $_debug_mode boolean whether to send requests to teh sandbox site or not
+	 */
+	protected $_debug_mode;
+	/**
+	 *
+	 * @var string $_name name to show for this payment method
+	 */
+	protected $_name;
+	/**
+	 *
+	 * @var string name to show fir this payment method to admin-type users
+	 */
+	protected $_admin_name;
+
+	/**
+	 * @return EE_Gateway
+	 */
+	public function __construct()
+	{
+	}
+
+	/**
+	 * We don't want to serialize models as they often have circular structures
+	 * (eg a payment model has a reference to each payment model object; and most
+	 * payments have a transaction, most transactions have a payment method;
+	 * most payment methods have a payment method type; most payment method types
+	 * have a gateway. And if a gateway serializes its models, we start at the
+	 * beginning again)
+	 *
+	 * @return array
+	 */
+	public function __sleep()
+	{
+		$properties = get_object_vars($this);
+		unset($properties['_pay_model'], $properties['_pay_log']);
+		return array_keys($properties);
+	}
+
+	/**
+	 * Returns whether or not this gateway should support SENDING refunds
+	 * see $_supports_sending_refunds
+	 *
+	 * @return boolean
+	 */
+	public function supports_sending_refunds()
+	{
+		return $this->_supports_sending_refunds;
+	}
+
+	/**
+	 * Returns whether or not this gateway should support RECEIVING refunds
+	 * see $_supports_receiving_refunds
+	 *
+	 * @return boolean
+	 */
+	public function supports_receiving_refunds()
+	{
+		return $this->_supports_receiving_refunds;
+	}
+
+
+	/**
+	 * Tries to refund the payment specified, taking into account the extra
+	 * refund info. Note that if the gateway's _supports_sending_refunds is false,
+	 * this should just throw an exception.
+	 *
+	 * @param EE_Payment $payment
+	 * @param array      $refund_info
+	 * @return EE_Payment for the refund
+	 * @throws EE_Error
+	 */
+	public function do_direct_refund(EE_Payment $payment, $refund_info = null)
+	{
+		return null;
+	}
+
+
+	/**
+	 * Sets the payment method's settings so the gateway knows where to send the request
+	 * etc
+	 *
+	 * @param array $settings_array
+	 */
+	public function set_settings($settings_array)
+	{
+		foreach ($settings_array as $name => $value) {
+			$property_name = "_" . $name;
+			$this->{$property_name} = $value;
+		}
+	}
+
+	/**
+	 * See this class description
+	 *
+	 * @param EEMI_Payment $payment_model
+	 */
+	public function set_payment_model($payment_model)
+	{
+		$this->_pay_model = $payment_model;
+	}
+
+	/**
+	 * See this class description
+	 *
+	 * @param EEMI_Payment_Log $payment_log_model
+	 */
+	public function set_payment_log($payment_log_model)
+	{
+		$this->_pay_log = $payment_log_model;
+	}
+
+	/**
+	 * See this class description
+	 *
+	 * @param EEHI_Template $template_helper
+	 */
+	public function set_template_helper($template_helper)
+	{
+		$this->_template = $template_helper;
+	}
+
+	/**
+	 * See this class description
+	 *
+	 * @param EEHI_Line_Item $line_item_helper
+	 */
+	public function set_line_item_helper($line_item_helper)
+	{
+		$this->_line_item = $line_item_helper;
+	}
+
+	/**
+	 * See this class description
+	 *
+	 * @param EEHI_Money $money_helper
+	 */
+	public function set_money_helper($money_helper)
+	{
+		$this->_money = $money_helper;
+	}
+
+
+	/**
+	 * Sets the gateway data formatter helper
+	 *
+	 * @param GatewayDataFormatterInterface $gateway_data_formatter
+	 * @throws InvalidEntityException if it's not set properly
+	 */
+	public function set_gateway_data_formatter(GatewayDataFormatterInterface $gateway_data_formatter)
+	{
+		if (! $gateway_data_formatter instanceof GatewayDataFormatterInterface) {
+			throw new InvalidEntityException(
+				is_object($gateway_data_formatter)
+					? get_class($gateway_data_formatter)
+					: esc_html__('Not an object', 'event_espresso'),
+				'\\EventEspresso\\core\\services\\payment_methods\\gateways\\GatewayDataFormatterInterface'
+			);
+		}
+		$this->_gateway_data_formatter = $gateway_data_formatter;
+	}
+
+	/**
+	 * Gets the gateway data formatter
+	 *
+	 * @return GatewayDataFormatterInterface
+	 * @throws InvalidEntityException if it's not set properly
+	 */
+	protected function _get_gateway_formatter()
+	{
+		if (! $this->_gateway_data_formatter instanceof GatewayDataFormatterInterface) {
+			throw new InvalidEntityException(
+				is_object($this->_gateway_data_formatter)
+					? get_class($this->_gateway_data_formatter)
+					: esc_html__('Not an object', 'event_espresso'),
+				'\\EventEspresso\\core\\services\\payment_methods\\gateways\\GatewayDataFormatterInterface'
+			);
+		}
+		return $this->_gateway_data_formatter;
+	}
+
+
+	/**
+	 * Sets the helper which will remove unsupported characters for most gateways
+	 *
+	 * @param FormatterInterface $formatter
+	 * @return FormatterInterface
+	 * @throws InvalidEntityException
+	 */
+	public function set_unsupported_character_remover(FormatterInterface $formatter)
+	{
+		if (! $formatter instanceof FormatterInterface) {
+			throw new InvalidEntityException(
+				is_object($formatter)
+					? get_class($formatter)
+					: esc_html__('Not an object', 'event_espresso'),
+				'\\EventEspresso\\core\\services\\formatters\\FormatterInterface'
+			);
+		}
+		$this->_unsupported_character_remover = $formatter;
+	}
+
+	/**
+	 * Gets the helper which removes characters which gateways might not support, like emojis etc.
+	 *
+	 * @return FormatterInterface
+	 * @throws InvalidEntityException
+	 */
+	protected function _get_unsupported_character_remover()
+	{
+		if (! $this->_unsupported_character_remover instanceof FormatterInterface) {
+			throw new InvalidEntityException(
+				is_object($this->_unsupported_character_remover)
+					? get_class($this->_unsupported_character_remover)
+					: esc_html__('Not an object', 'event_espresso'),
+				'\\EventEspresso\\core\\services\\formatters\\FormatterInterface'
+			);
+		}
+		return $this->_unsupported_character_remover;
+	}
+
+
+	/**
+	 * @param $message
+	 * @param $payment
+	 */
+	public function log($message, $object_logged)
+	{
+		if ($object_logged instanceof EEI_Payment) {
+			$type = 'Payment';
+			$id = $object_logged->ID();
+		} elseif ($object_logged instanceof EEI_Transaction) {
+			$type = 'Transaction';
+			$id = $object_logged->ID();
+		} else {
+			$type = 'Payment_Method';
+			$id = $this->_ID;
+		}
+		// only log if we're going to store it for longer than the minimum time
+		$reg_config = LoaderFactory::getLoader()->load('EE_Registration_Config');
+		if ($reg_config->gateway_log_lifespan !== '1 second') {
+			$this->_pay_log->gateway_log($message, $id, $type);
+		}
+	}
+
+	/**
+	 * Formats the amount so it can generally be sent to gateways
+	 *
+	 * @param float $amount
+	 * @return string
+	 * @deprecated since 4.9.31 insetad use
+	 *             EventEspresso\core\services\payment_methods\gateways\GatewayDataFormatter::format_currency()
+	 */
+	public function format_currency($amount)
+	{
+		return $this->_get_gateway_formatter()->formatCurrency($amount);
+	}
+
+	/**
+	 * Returns either an array of all the currency codes supported,
+	 * or a string indicating they're all supported (EE_gateway::all_currencies_supported)
+	 *
+	 * @return mixed array or string
+	 */
+	public function currencies_supported()
+	{
+		return $this->_currencies_supported;
+	}
+
+	/**
+	 * Returns what a simple summing of items and taxes for this transaction. This
+	 * can be used to determine if some more complex line items, like promotions,
+	 * surcharges, or cancellations occurred (in which case we might want to forget
+	 * about creating an itemized list of purchases and instead only send the total due)
+	 *
+	 * @param EE_Transaction $transaction
+	 * @return float
+	 */
+	protected function _sum_items_and_taxes(EE_Transaction $transaction)
+	{
+		$total_line_item = $transaction->total_line_item();
+		$total = 0;
+		foreach ($total_line_item->get_items() as $item_line_item) {
+			$total += max($item_line_item->total(), 0);
+		}
+		foreach ($total_line_item->tax_descendants() as $tax_line_item) {
+			$total += max($tax_line_item->total(), 0);
+		}
+		return $total;
+	}
+
+	/**
+	 * Determines whether or not we can easily itemize the transaction using only
+	 * items and taxes (ie, no promotions or surcharges or cancellations needed)
+	 *
+	 * @param EEI_Payment $payment
+	 * @return boolean
+	 */
+	protected function _can_easily_itemize_transaction_for(EEI_Payment $payment)
+	{
+		return $this->_money->compare_floats(
+			$this->_sum_items_and_taxes($payment->transaction()),
+			$payment->transaction()->total()
+		)
+			   && $this->_money->compare_floats(
+				   $payment->amount(),
+				   $payment->transaction()->total()
+			   );
+	}
+
+	/**
+	 * Handles updating the transaction and any other related data based on the payment.
+	 * You may be tempted to do this as part of do_direct_payment or handle_payment_update,
+	 * but doing so on those functions might be too early. It's possible that the changes
+	 * you make to teh transaction or registration or line items may just get overwritten
+	 * at that point. Instead, you should store any info you need on the payment during those
+	 * functions, and use that information at this step, which client code will decide
+	 * for you when it should be called.
+	 *
+	 * @param EE_Payment $payment
+	 * @return void
+	 */
+	public function update_txn_based_on_payment($payment)
+	{
+		// maybe update the transaction or line items or registrations
+		// but most gateways don't need to do this, because they only update the payment
+	}
+
+	/**
+	 * Gets the first event for this payment (it's possible that it could be for multiple)
+	 *
+	 * @param EEI_Payment $payment
+	 * @return EEI_Event|null
+	 * @deprecated since 4.9.31 instead use EEI_Payment::get_first_event()
+	 */
+	protected function _get_first_event_for_payment(EEI_Payment $payment)
+	{
+		return $payment->get_first_event();
+	}
+
+	/**
+	 * Gets the name of the first event for which is being paid
+	 *
+	 * @param EEI_Payment $payment
+	 * @return string
+	 * @deprecated since 4.9.31 instead use EEI_Payment::get_first_event_name()
+	 */
+	protected function _get_first_event_name_for_payment(EEI_Payment $payment)
+	{
+		return $payment->get_first_event_name();
+	}
+
+	/**
+	 * Gets the text to use for a gateway's line item name when this is a partial payment
+	 *
+	 * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatPartialPaymentLineItemName($payment)
+	 * @param EE_Payment $payment
+	 * @return string
+	 */
+	protected function _format_partial_payment_line_item_name(EEI_Payment $payment)
+	{
+		return $this->_get_gateway_formatter()->formatPartialPaymentLineItemName($payment);
+	}
+
+	/**
+	 * Gets the text to use for a gateway's line item description when this is a partial payment
+	 *
+	 * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatPartialPaymentLineItemDesc()
+	 * @param EEI_Payment $payment
+	 * @return string
+	 */
+	protected function _format_partial_payment_line_item_desc(EEI_Payment $payment)
+	{
+		return $this->_get_gateway_formatter()->formatPartialPaymentLineItemDesc($payment);
+	}
+
+	/**
+	 * Gets the name to use for a line item when sending line items to the gateway
+	 *
+	 * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatLineItemName($line_item,$payment)
+	 * @param EEI_Line_Item $line_item
+	 * @param EEI_Payment   $payment
+	 * @return string
+	 */
+	protected function _format_line_item_name(EEI_Line_Item $line_item, EEI_Payment $payment)
+	{
+		return $this->_get_gateway_formatter()->formatLineItemName($line_item, $payment);
+	}
+
+	/**
+	 * Gets the description to use for a line item when sending line items to the gateway
+	 *
+	 * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatLineItemDesc($line_item, $payment))
+	 * @param EEI_Line_Item $line_item
+	 * @param EEI_Payment   $payment
+	 * @return string
+	 */
+	protected function _format_line_item_desc(EEI_Line_Item $line_item, EEI_Payment $payment)
+	{
+		return $this->_get_gateway_formatter()->formatLineItemDesc($line_item, $payment);
+	}
+
+	/**
+	 * Gets the order description that should generlly be sent to gateways
+	 *
+	 * @deprecated since 4.9.31 instead use $this->_get_gateway_formatter()->formatOrderDescription($payment)
+	 * @param EEI_Payment $payment
+	 * @return type
+	 */
+	protected function _format_order_description(EEI_Payment $payment)
+	{
+		return $this->_get_gateway_formatter()->formatOrderDescription($payment);
+	}
 }

core/db_models/EEM_System_Status.model.php

Indentation +273 added lines, -273 removed lines

@@ -6,79 +6,79 @@ 
 class EEM_System_Status
 {
 
-    // private instance of the EEM_System_Status object
-    protected static $_instance = null;
+	// private instance of the EEM_System_Status object
+	protected static $_instance = null;
 
 
 
-    /**
-     *      This function is a singleton method used to instantiate the EEM_Attendee object
-     *
-     *      @access public
-     *      @param string $timezone string representing the timezone we want to set for returned Date Time Strings (and any incoming timezone data that gets saved).  Note this just sends the timezone info to the date time model field objects.  Default is NULL (and will be assumed using the set timezone in the 'timezone_string' wp option)
-     *      @return EEM_System_Status
-     */
-    public static function instance()
-    {
+	/**
+	 *      This function is a singleton method used to instantiate the EEM_Attendee object
+	 *
+	 *      @access public
+	 *      @param string $timezone string representing the timezone we want to set for returned Date Time Strings (and any incoming timezone data that gets saved).  Note this just sends the timezone info to the date time model field objects.  Default is NULL (and will be assumed using the set timezone in the 'timezone_string' wp option)
+	 *      @return EEM_System_Status
+	 */
+	public static function instance()
+	{
 
-        // check if instance of EEM_System_Status already exists
-        if (self::$_instance === null) {
-            // instantiate EEM_System_Status
-            self::$_instance = new self();
-        }
-        return self::$_instance;
-    }
-    private function __construct()
-    {
-    }
-    /**
-     *
-     * @return array where each key is a function name on this class, and each value is SOMETHING--
-     * it might be a value, an array, or an object
-     */
-    public function get_system_stati()
-    {
-        return apply_filters(
-            'FHEE__EEM_System_Status__get_system_stati',
-            array(
-                'ee_version'=>$this->get_ee_version(),
-                'ee_activation_history'=>$this->get_ee_activation_history(),
-                'ee_config'=>$this->get_ee_config(),
-                'ee_migration_history'=>$this->get_ee_migration_history(),
-                'active_plugins'=>$this->get_active_plugins(),
-                'wp_settings'=>$this->get_wp_settings(),
-                'wp_maintenance_mode' => $this->get_wp_maintenance_mode(),
-                'https_enabled'=>$this->get_https_enabled(),
-                'logging_enabled' => $this->get_logging_enabled(),
-                'remote_posting' => $this->get_remote_posting(),
-                'php_version'=>$this->php_version(),
-                'php.ini_settings'=>$this->get_php_ini_all(),
-                'php_info'=>$this->get_php_info(),
-            ),
-            $this
-        );
-    }
-    /**
-     *
-     * @return string
-     */
-    public function get_ee_version()
-    {
-        return espresso_version();
-    }
-    /**
-     *
-     * @return string
-     */
-    public function php_version()
-    {
-        return phpversion();
-    }
-    /**
-     *
-     * @return array, where each key is a plugin name (lower-cased), values are sub-arrays.
-     * Sub-arrays like described in wp function get_plugin_data. Ie,     *
-     *  'Name' => 'Plugin Name',
+		// check if instance of EEM_System_Status already exists
+		if (self::$_instance === null) {
+			// instantiate EEM_System_Status
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+	private function __construct()
+	{
+	}
+	/**
+	 *
+	 * @return array where each key is a function name on this class, and each value is SOMETHING--
+	 * it might be a value, an array, or an object
+	 */
+	public function get_system_stati()
+	{
+		return apply_filters(
+			'FHEE__EEM_System_Status__get_system_stati',
+			array(
+				'ee_version'=>$this->get_ee_version(),
+				'ee_activation_history'=>$this->get_ee_activation_history(),
+				'ee_config'=>$this->get_ee_config(),
+				'ee_migration_history'=>$this->get_ee_migration_history(),
+				'active_plugins'=>$this->get_active_plugins(),
+				'wp_settings'=>$this->get_wp_settings(),
+				'wp_maintenance_mode' => $this->get_wp_maintenance_mode(),
+				'https_enabled'=>$this->get_https_enabled(),
+				'logging_enabled' => $this->get_logging_enabled(),
+				'remote_posting' => $this->get_remote_posting(),
+				'php_version'=>$this->php_version(),
+				'php.ini_settings'=>$this->get_php_ini_all(),
+				'php_info'=>$this->get_php_info(),
+			),
+			$this
+		);
+	}
+	/**
+	 *
+	 * @return string
+	 */
+	public function get_ee_version()
+	{
+		return espresso_version();
+	}
+	/**
+	 *
+	 * @return string
+	 */
+	public function php_version()
+	{
+		return phpversion();
+	}
+	/**
+	 *
+	 * @return array, where each key is a plugin name (lower-cased), values are sub-arrays.
+	 * Sub-arrays like described in wp function get_plugin_data. Ie,     *
+	 *  'Name' => 'Plugin Name',
         'PluginURI' => 'Plugin URI',
         'Version' => 'Version',
         'Description' => 'Description',
@@ -87,221 +87,221 @@ 
         'TextDomain' => 'Text Domain',
         'DomainPath' => 'Domain Path',
         'Network' => 'Network',
-     */
-    public function get_active_plugins()
-    {
-        $active_plugins = (array) get_option('active_plugins', array());
-        if (is_multisite()) {
-            $active_plugins = array_merge($active_plugins, get_site_option('active_sitewide_plugins', array()));
-        }
-        $active_plugins = array_map('strtolower', $active_plugins);
-        $plugin_info = array();
-        foreach ($active_plugins as $plugin) {
-                $plugin_data = @get_plugin_data(WP_PLUGIN_DIR . '/' . $plugin);
+	 */
+	public function get_active_plugins()
+	{
+		$active_plugins = (array) get_option('active_plugins', array());
+		if (is_multisite()) {
+			$active_plugins = array_merge($active_plugins, get_site_option('active_sitewide_plugins', array()));
+		}
+		$active_plugins = array_map('strtolower', $active_plugins);
+		$plugin_info = array();
+		foreach ($active_plugins as $plugin) {
+				$plugin_data = @get_plugin_data(WP_PLUGIN_DIR . '/' . $plugin);
 
-                $plugin_info[ $plugin ] = $plugin_data;
-        }
-        return $plugin_info;
-    }
+				$plugin_info[ $plugin ] = $plugin_data;
+		}
+		return $plugin_info;
+	}
 
-    /**
-     *
-     * @return array with keys 'home_url' and 'site_url'
-     */
-    public function get_wp_settings()
-    {
-        $wp_memory_int = $this->let_to_num(WP_MEMORY_LIMIT);
-        if ($wp_memory_int < 67108864) {
-            $wp_memory_to_display = '<mark class="error">' . sprintf(__('%s - We recommend setting memory to at least 64MB. See: %s Increasing memory allocated to PHP %s', 'event_espresso'), WP_MEMORY_LIMIT, '<a href="http://codex.wordpress.org/Editing_wp-config.php#Increasing_memory_allocated_to_PHP">', '</a>"') . '</mark>';
-        } else {
-            $wp_memory_to_display = '<mark class="yes">' . size_format($wp_memory_int) . '</mark>';
-        }
-        return array(
-            'name'=>get_bloginfo('name', 'display'),
-            'is_multisite'=>is_multisite(),
-            'version'=>  get_bloginfo('version', 'display'),
-            'home_url'=>home_url(),
-            'site_url'=>site_url(),
-            'WP_DEBUG'=>WP_DEBUG,
-            'permalink_structure'=>get_option('permalink_structure'),
-            'theme'=>wp_get_theme(),
-            'gmt_offset'=>get_option('gmt_offset'),
-            'timezone_string'=>get_option('timezone_string'),
-            'admin_email'=>  get_bloginfo('admin_email', 'display'),
-            'language'=>get_bloginfo('language', 'display'),
-            'wp_max_upload_size' => size_format(wp_max_upload_size()),
-            'wp_memory' => $wp_memory_to_display
-            );
-    }
+	/**
+	 *
+	 * @return array with keys 'home_url' and 'site_url'
+	 */
+	public function get_wp_settings()
+	{
+		$wp_memory_int = $this->let_to_num(WP_MEMORY_LIMIT);
+		if ($wp_memory_int < 67108864) {
+			$wp_memory_to_display = '<mark class="error">' . sprintf(__('%s - We recommend setting memory to at least 64MB. See: %s Increasing memory allocated to PHP %s', 'event_espresso'), WP_MEMORY_LIMIT, '<a href="http://codex.wordpress.org/Editing_wp-config.php#Increasing_memory_allocated_to_PHP">', '</a>"') . '</mark>';
+		} else {
+			$wp_memory_to_display = '<mark class="yes">' . size_format($wp_memory_int) . '</mark>';
+		}
+		return array(
+			'name'=>get_bloginfo('name', 'display'),
+			'is_multisite'=>is_multisite(),
+			'version'=>  get_bloginfo('version', 'display'),
+			'home_url'=>home_url(),
+			'site_url'=>site_url(),
+			'WP_DEBUG'=>WP_DEBUG,
+			'permalink_structure'=>get_option('permalink_structure'),
+			'theme'=>wp_get_theme(),
+			'gmt_offset'=>get_option('gmt_offset'),
+			'timezone_string'=>get_option('timezone_string'),
+			'admin_email'=>  get_bloginfo('admin_email', 'display'),
+			'language'=>get_bloginfo('language', 'display'),
+			'wp_max_upload_size' => size_format(wp_max_upload_size()),
+			'wp_memory' => $wp_memory_to_display
+			);
+	}
 
-    /**
-     * Gets an array of information about the history of ee versions installed
-     * @return array
-     */
-    public function get_ee_activation_history()
-    {
-        return get_option('espresso_db_update');
-    }
+	/**
+	 * Gets an array of information about the history of ee versions installed
+	 * @return array
+	 */
+	public function get_ee_activation_history()
+	{
+		return get_option('espresso_db_update');
+	}
 
 
-    /**
-     * Gets an array where keys are ee versions, and their values are arrays indicating all the different times that version was installed
-     * @return EE_Data_Migration_Script_Base[]
-     */
-    public function get_ee_migration_history()
-    {
-        $options = EE_Data_Migration_Manager::instance()->get_all_migration_script_options();
-        $presentable_migration_scripts = array();
-        foreach ($options as $option_array) {
-            $presentable_migration_scripts[ str_replace(EE_Data_Migration_Manager::data_migration_script_option_prefix, "", $option_array['option_name']) ] = maybe_unserialize($option_array['option_value']);
-        }
-        return $presentable_migration_scripts;
+	/**
+	 * Gets an array where keys are ee versions, and their values are arrays indicating all the different times that version was installed
+	 * @return EE_Data_Migration_Script_Base[]
+	 */
+	public function get_ee_migration_history()
+	{
+		$options = EE_Data_Migration_Manager::instance()->get_all_migration_script_options();
+		$presentable_migration_scripts = array();
+		foreach ($options as $option_array) {
+			$presentable_migration_scripts[ str_replace(EE_Data_Migration_Manager::data_migration_script_option_prefix, "", $option_array['option_name']) ] = maybe_unserialize($option_array['option_value']);
+		}
+		return $presentable_migration_scripts;
 //      return get_option(EE_Data_Migration_Manager::data_migrations_option_name);//EE_Data_Migration_Manager::instance()->get_data_migrations_ran();
-    }
+	}
 
-    /**
-     *
-     * @return array like EE_Config class
-     */
-    public function get_ee_config()
-    {
-        return EE_Config::instance();
-    }
+	/**
+	 *
+	 * @return array like EE_Config class
+	 */
+	public function get_ee_config()
+	{
+		return EE_Config::instance();
+	}
 
-    /**
-     * Gets an array of php setup info, pilfered from http://www.php.net/manual/en/function.phpinfo.php#87463
-     * @return array like the output of phpinfo(), but in an array
-     */
-    public function get_php_info()
-    {
-        ob_start();
-        phpinfo(-1);
+	/**
+	 * Gets an array of php setup info, pilfered from http://www.php.net/manual/en/function.phpinfo.php#87463
+	 * @return array like the output of phpinfo(), but in an array
+	 */
+	public function get_php_info()
+	{
+		ob_start();
+		phpinfo(-1);
 
-        $pi = preg_replace(
-            array('#^.*<body>(.*)</body>.*$#ms', '#<h2>PHP License</h2>.*$#ms',
-            '#<h1>Configuration</h1>#',  "#\r?\n#", "#</(h1|h2|h3|tr)>#", '# +<#',
-            "#[ \t]+#", '#&nbsp;#', '#  +#', '# class=".*?"#', '%&#039;%',
-            '#<tr>(?:.*?)" src="(?:.*?)=(.*?)" alt="PHP Logo" /></a>'
-            .'<h1>PHP Version (.*?)</h1>(?:\n+?)</td></tr>#',
-            '#<h1><a href="(?:.*?)\?=(.*?)">PHP Credits</a></h1>#',
-            '#<tr>(?:.*?)" src="(?:.*?)=(.*?)"(?:.*?)Zend Engine (.*?),(?:.*?)</tr>#',
-            "# +#", '#<tr>#', '#</tr>#'),
-            array('$1', '', '', '', '</$1>' . "\n", '<', ' ', ' ', ' ', '', ' ',
-            '<h2>PHP Configuration</h2>'."\n".'<tr><td>PHP Version</td><td>$2</td></tr>'.
-            "\n".'<tr><td>PHP Egg</td><td>$1</td></tr>',
-            '<tr><td>PHP Credits Egg</td><td>$1</td></tr>',
-            '<tr><td>Zend Engine</td><td>$2</td></tr>' . "\n" .
-            '<tr><td>Zend Egg</td><td>$1</td></tr>', ' ', '%S%', '%E%'),
-            ob_get_clean()
-        );
+		$pi = preg_replace(
+			array('#^.*<body>(.*)</body>.*$#ms', '#<h2>PHP License</h2>.*$#ms',
+			'#<h1>Configuration</h1>#',  "#\r?\n#", "#</(h1|h2|h3|tr)>#", '# +<#',
+			"#[ \t]+#", '#&nbsp;#', '#  +#', '# class=".*?"#', '%&#039;%',
+			'#<tr>(?:.*?)" src="(?:.*?)=(.*?)" alt="PHP Logo" /></a>'
+			.'<h1>PHP Version (.*?)</h1>(?:\n+?)</td></tr>#',
+			'#<h1><a href="(?:.*?)\?=(.*?)">PHP Credits</a></h1>#',
+			'#<tr>(?:.*?)" src="(?:.*?)=(.*?)"(?:.*?)Zend Engine (.*?),(?:.*?)</tr>#',
+			"# +#", '#<tr>#', '#</tr>#'),
+			array('$1', '', '', '', '</$1>' . "\n", '<', ' ', ' ', ' ', '', ' ',
+			'<h2>PHP Configuration</h2>'."\n".'<tr><td>PHP Version</td><td>$2</td></tr>'.
+			"\n".'<tr><td>PHP Egg</td><td>$1</td></tr>',
+			'<tr><td>PHP Credits Egg</td><td>$1</td></tr>',
+			'<tr><td>Zend Engine</td><td>$2</td></tr>' . "\n" .
+			'<tr><td>Zend Egg</td><td>$1</td></tr>', ' ', '%S%', '%E%'),
+			ob_get_clean()
+		);
 
-        $sections = explode('<h2>', strip_tags($pi, '<h2><th><td>'));
-        unset($sections[0]);
+		$sections = explode('<h2>', strip_tags($pi, '<h2><th><td>'));
+		unset($sections[0]);
 
-        $pi = array();
-        foreach ($sections as $section) {
-            $n = substr($section, 0, strpos($section, '</h2>'));
-            preg_match_all(
-                '#%S%(?:<td>(.*?)</td>)?(?:<td>(.*?)</td>)?(?:<td>(.*?)</td>)?%E%#',
-                $section,
-                $askapache,
-                PREG_SET_ORDER
-            );
-            foreach ($askapache as $m) {
-                $m2 = isset($m[2]) ? $m[2] : null;
-            }
-              $pi[ $n ][ $m[1] ]=(!isset($m[3])||$m2==$m[3]) ? $m2 : array_slice($m, 2);
-        }
+		$pi = array();
+		foreach ($sections as $section) {
+			$n = substr($section, 0, strpos($section, '</h2>'));
+			preg_match_all(
+				'#%S%(?:<td>(.*?)</td>)?(?:<td>(.*?)</td>)?(?:<td>(.*?)</td>)?%E%#',
+				$section,
+				$askapache,
+				PREG_SET_ORDER
+			);
+			foreach ($askapache as $m) {
+				$m2 = isset($m[2]) ? $m[2] : null;
+			}
+			  $pi[ $n ][ $m[1] ]=(!isset($m[3])||$m2==$m[3]) ? $m2 : array_slice($m, 2);
+		}
 
-        return $pi;
-    }
+		return $pi;
+	}
 
-    /**
-     * Checks if site responds ot HTTPS
-     * @return boolean
-     */
-    public function get_https_enabled()
-    {
-        $home = str_replace("http://", "https://", home_url());
-        $response = wp_remote_get($home);
-        if ($response instanceof WP_Error) {
-            $error_string = '';
-            foreach ($response->errors as $short_name => $description_array) {
-                $error_string .= "<b>$short_name</b>: ".implode(", ", $description_array);
-            }
-            return $error_string;
-        }
-        return "ok!";
-    }
-    /**
-     * Whether or not a .maintenance file is detected
-     * @return string descripting wp_maintenance_mode status
-     */
-    public function get_wp_maintenance_mode()
-    {
-        $opened = file_exists(ABSPATH . '.maintenance');
-        return $opened ? sprintf(__('%s.maintenance file detected.%s Wordpress may have a failed auto-update which could prevent Event Espresso from updating the database correctly.', 'event_espresso'), '<strong>', '</strong>') : __('.maintenance file not detected. WordPress is not in maintenance mode.', 'event_espresso')  ;
-    }
-    /**
-     * Whether or not logging is enabled
-     * @return string descripting logging's status
-     */
-    public function get_logging_enabled()
-    {
-            $opened = @fopen(EVENT_ESPRESSO_UPLOAD_DIR . '/logs/espresso_log.txt', 'a');
-            return $opened ? __('Log Directory is writable', 'event_espresso') : sprintf(__('%sLog directory is NOT writable%s', 'event_espresso'), '<mark class="error"', '</mark>') ;
-    }
-    /**
-     *  Whether curl ro fsock works
-     * @return string describing posting's status
-     */
-    public function get_remote_posting()
-    {
-        $fsock_works = function_exists('fsockopen');
-        $curl_works = function_exists('curl_init');
-        if ($fsock_works && $curl_works) {
-            $status = __('Your server has fsockopen and cURL enabled.', 'event_espresso');
-        } elseif ($fsock_works) {
-            $status = __('Your server has fsockopen enabled, cURL is disabled.', 'event_espresso');
-        } elseif ($curl_works) {
-            $status = __('Your server has cURL enabled, fsockopen is disabled.', 'event_espresso');
-        } else {
-            $status = __('Your server does not have fsockopen or cURL enabled - PayPal IPN and other scripts which communicate with other servers will not work. Contact your hosting provider.', 'event_espresso'). '</mark>';
-        }
-        return $status;
-    }
-    /**
-     * Gets all the php.ini settings
-     * @return array
-     */
-    public function get_php_ini_all()
-    {
-        return ini_get_all();
-    }
-    /**
-     * Transforms the php.ini notation for numbers (like '2M') to an integer.
-     *
-     * @param type $size
-     * @return int
-     */
-    public function let_to_num($size)
-    {
-        $l      = substr($size, -1);
-        $ret    = substr($size, 0, -1);
-        // phpcs:disable PSR2.ControlStructures.SwitchDeclaration.TerminatingComment
-        switch (strtoupper($l)) {
-            case 'P':
-                $ret *= 1024;
-            case 'T':
-                $ret *= 1024;
-            case 'G':
-                $ret *= 1024;
-            case 'M':
-                $ret *= 1024;
-            case 'K':
-                $ret *= 1024;
-        }
-        // phpcs:enable
-        return $ret;
-    }
+	/**
+	 * Checks if site responds ot HTTPS
+	 * @return boolean
+	 */
+	public function get_https_enabled()
+	{
+		$home = str_replace("http://", "https://", home_url());
+		$response = wp_remote_get($home);
+		if ($response instanceof WP_Error) {
+			$error_string = '';
+			foreach ($response->errors as $short_name => $description_array) {
+				$error_string .= "<b>$short_name</b>: ".implode(", ", $description_array);
+			}
+			return $error_string;
+		}
+		return "ok!";
+	}
+	/**
+	 * Whether or not a .maintenance file is detected
+	 * @return string descripting wp_maintenance_mode status
+	 */
+	public function get_wp_maintenance_mode()
+	{
+		$opened = file_exists(ABSPATH . '.maintenance');
+		return $opened ? sprintf(__('%s.maintenance file detected.%s Wordpress may have a failed auto-update which could prevent Event Espresso from updating the database correctly.', 'event_espresso'), '<strong>', '</strong>') : __('.maintenance file not detected. WordPress is not in maintenance mode.', 'event_espresso')  ;
+	}
+	/**
+	 * Whether or not logging is enabled
+	 * @return string descripting logging's status
+	 */
+	public function get_logging_enabled()
+	{
+			$opened = @fopen(EVENT_ESPRESSO_UPLOAD_DIR . '/logs/espresso_log.txt', 'a');
+			return $opened ? __('Log Directory is writable', 'event_espresso') : sprintf(__('%sLog directory is NOT writable%s', 'event_espresso'), '<mark class="error"', '</mark>') ;
+	}
+	/**
+	 *  Whether curl ro fsock works
+	 * @return string describing posting's status
+	 */
+	public function get_remote_posting()
+	{
+		$fsock_works = function_exists('fsockopen');
+		$curl_works = function_exists('curl_init');
+		if ($fsock_works && $curl_works) {
+			$status = __('Your server has fsockopen and cURL enabled.', 'event_espresso');
+		} elseif ($fsock_works) {
+			$status = __('Your server has fsockopen enabled, cURL is disabled.', 'event_espresso');
+		} elseif ($curl_works) {
+			$status = __('Your server has cURL enabled, fsockopen is disabled.', 'event_espresso');
+		} else {
+			$status = __('Your server does not have fsockopen or cURL enabled - PayPal IPN and other scripts which communicate with other servers will not work. Contact your hosting provider.', 'event_espresso'). '</mark>';
+		}
+		return $status;
+	}
+	/**
+	 * Gets all the php.ini settings
+	 * @return array
+	 */
+	public function get_php_ini_all()
+	{
+		return ini_get_all();
+	}
+	/**
+	 * Transforms the php.ini notation for numbers (like '2M') to an integer.
+	 *
+	 * @param type $size
+	 * @return int
+	 */
+	public function let_to_num($size)
+	{
+		$l      = substr($size, -1);
+		$ret    = substr($size, 0, -1);
+		// phpcs:disable PSR2.ControlStructures.SwitchDeclaration.TerminatingComment
+		switch (strtoupper($l)) {
+			case 'P':
+				$ret *= 1024;
+			case 'T':
+				$ret *= 1024;
+			case 'G':
+				$ret *= 1024;
+			case 'M':
+				$ret *= 1024;
+			case 'K':
+				$ret *= 1024;
+		}
+		// phpcs:enable
+		return $ret;
+	}
 }

caffeinated/payment_methods/Aim/EE_PMT_Aim.pm.php

Indentation +252 added lines, -252 removed lines

@@ -12,275 +12,275 @@
 {
 
 
-    /**
-     * @param EE_Payment_Method $pm_instance
-     * @return EE_PMT_Aim
-     * @throws \EE_Error
-     */
-    public function __construct($pm_instance = null)
-    {
-        $this->_setup_properties();
-        parent::__construct($pm_instance);
-    }
+	/**
+	 * @param EE_Payment_Method $pm_instance
+	 * @return EE_PMT_Aim
+	 * @throws \EE_Error
+	 */
+	public function __construct($pm_instance = null)
+	{
+		$this->_setup_properties();
+		parent::__construct($pm_instance);
+	}
     
-    /**
-     * Sets up payment method type properties for this gateway, which is normally
-     * done in the constructor, but we want this to be easy for similar gateways to override
-     * while still calling the parent constructor.
-     * So children should override this method instead of __construct
-     */
-    protected function _setup_properties()
-    {
-        require_once($this->file_folder().'EEG_Aim.gateway.php');
-        $this->_gateway = new EEG_Aim();
-        $this->_pretty_name = __("Authorize.net AIM", 'event_espresso');
-        $this->_default_description = __('Please provide the following billing information.', 'event_espresso');
-        $this->_requires_https = true;
-    }
+	/**
+	 * Sets up payment method type properties for this gateway, which is normally
+	 * done in the constructor, but we want this to be easy for similar gateways to override
+	 * while still calling the parent constructor.
+	 * So children should override this method instead of __construct
+	 */
+	protected function _setup_properties()
+	{
+		require_once($this->file_folder().'EEG_Aim.gateway.php');
+		$this->_gateway = new EEG_Aim();
+		$this->_pretty_name = __("Authorize.net AIM", 'event_espresso');
+		$this->_default_description = __('Please provide the following billing information.', 'event_espresso');
+		$this->_requires_https = true;
+	}
 
 
 
-    /**
-     * Creates the billing form for this payment method type
-     *
-     * @param \EE_Transaction $transaction
-     * @return EE_Billing_Info_Form
-     * @throws \EE_Error
-     */
-    public function generate_new_billing_form(EE_Transaction $transaction = null)
-    {
-        $billing_form = new EE_Billing_Attendee_Info_Form($this->_pm_instance, array(
-            'name'=>'AIM_Form',
-            'subsections'=>array(
-                'credit_card'=>new EE_Credit_Card_Input(array(
-                    'required'=>true,
-                    'html_label_text' => __('Card Number', 'event_espresso')
-                )),
-                'exp_month'=>new EE_Credit_Card_Month_Input(true, array(
-                    'required'=>true,
-                    'html_label_text' => __('Expiry Month', 'event_espresso')
-                )),
-                'exp_year'=>new EE_Credit_Card_Year_Input(array(
-                    'required'=>true,
-                    'html_label_text' => __('Expiry Year', 'event_espresso')
-                )),
-                'cvv'=>new EE_CVV_Input(array(
-                    'required'=>true,
-                    'html_label_text' => __('CVV', 'event_espresso') )),
-            )
-        ));
-        $billing_form->add_subsections(array(
-            'company' => new EE_Text_Input(array(
-                'html_label_text' => __('Company', 'event_espresso')
-            ))
-        ), 'email', false);
-        $billing_form->add_subsections(
-            array(
-                    'fax' => new EE_Text_Input(array(
-                        'html_label_text' => __('Fax', 'event_espresso')
-                    ))
-                ),
-            'phone',
-            false
-        );
-        $settings_form = $this->settings_form();
-        if ($settings_form->get_input('excluded_billing_inputs') instanceof EE_Checkbox_Multi_Input) {
-                $billing_form->exclude($settings_form->get_input('excluded_billing_inputs')->normalized_value());
-        }
-        if ($settings_form->get_input('required_billing_inputs') instanceof EE_Checkbox_Multi_Input) {
-            $required_inputs = $settings_form->get_input('required_billing_inputs')->normalized_value();
-            // only change the requirement of inputs which are allowed to be changed
-            /** @var EE_Form_Input_Base[] $inputs_to_evaluate */
-            $inputs_to_evaluate = array_intersect_key(
-                $billing_form->inputs(),
-                $this->billing_input_names()
-            );
-            foreach ($inputs_to_evaluate as $input_name => $input) {
-                if (in_array($input_name, $required_inputs)) {
-                    $input->set_required(true);
-                } else {
-                    $input->set_required(false);
-                }
-            }
-        }
-        return $this->apply_billing_form_debug_settings($billing_form);
-    }
+	/**
+	 * Creates the billing form for this payment method type
+	 *
+	 * @param \EE_Transaction $transaction
+	 * @return EE_Billing_Info_Form
+	 * @throws \EE_Error
+	 */
+	public function generate_new_billing_form(EE_Transaction $transaction = null)
+	{
+		$billing_form = new EE_Billing_Attendee_Info_Form($this->_pm_instance, array(
+			'name'=>'AIM_Form',
+			'subsections'=>array(
+				'credit_card'=>new EE_Credit_Card_Input(array(
+					'required'=>true,
+					'html_label_text' => __('Card Number', 'event_espresso')
+				)),
+				'exp_month'=>new EE_Credit_Card_Month_Input(true, array(
+					'required'=>true,
+					'html_label_text' => __('Expiry Month', 'event_espresso')
+				)),
+				'exp_year'=>new EE_Credit_Card_Year_Input(array(
+					'required'=>true,
+					'html_label_text' => __('Expiry Year', 'event_espresso')
+				)),
+				'cvv'=>new EE_CVV_Input(array(
+					'required'=>true,
+					'html_label_text' => __('CVV', 'event_espresso') )),
+			)
+		));
+		$billing_form->add_subsections(array(
+			'company' => new EE_Text_Input(array(
+				'html_label_text' => __('Company', 'event_espresso')
+			))
+		), 'email', false);
+		$billing_form->add_subsections(
+			array(
+					'fax' => new EE_Text_Input(array(
+						'html_label_text' => __('Fax', 'event_espresso')
+					))
+				),
+			'phone',
+			false
+		);
+		$settings_form = $this->settings_form();
+		if ($settings_form->get_input('excluded_billing_inputs') instanceof EE_Checkbox_Multi_Input) {
+				$billing_form->exclude($settings_form->get_input('excluded_billing_inputs')->normalized_value());
+		}
+		if ($settings_form->get_input('required_billing_inputs') instanceof EE_Checkbox_Multi_Input) {
+			$required_inputs = $settings_form->get_input('required_billing_inputs')->normalized_value();
+			// only change the requirement of inputs which are allowed to be changed
+			/** @var EE_Form_Input_Base[] $inputs_to_evaluate */
+			$inputs_to_evaluate = array_intersect_key(
+				$billing_form->inputs(),
+				$this->billing_input_names()
+			);
+			foreach ($inputs_to_evaluate as $input_name => $input) {
+				if (in_array($input_name, $required_inputs)) {
+					$input->set_required(true);
+				} else {
+					$input->set_required(false);
+				}
+			}
+		}
+		return $this->apply_billing_form_debug_settings($billing_form);
+	}
 
 
 
-    /**
-     * apply_billing_form_debug_settings
-     * applies debug data to the form
-     *
-     * @param \EE_Billing_Info_Form $billing_form
-     * @return \EE_Billing_Info_Form
-     * @throws \EE_Error
-     */
-    public function apply_billing_form_debug_settings(EE_Billing_Info_Form $billing_form)
-    {
-        if ($this->_pm_instance->debug_mode()
-            || $this->_pm_instance->get_extra_meta('test_transactions', true, false)
-        ) {
-            $billing_form->get_input('credit_card')->set_default('4007000000027');
-            $billing_form->get_input('exp_year')->set_default('2020');
-            if ($billing_form->get_subsection('cvv') instanceof EE_Form_Input_Base) {
-                $billing_form->get_input('cvv')->set_default('123');
-            }
-            $billing_form->add_subsections(
-                array( 'fyi_about_autofill' => $billing_form->payment_fields_autofilled_notice_html() ),
-                'credit_card'
-            );
-            $billing_form->add_subsections(
-                array(
-                    'debug_content' => new EE_Form_Section_HTML_From_Template(
-                        __DIR__.DS.'templates'.DS.'authorize_net_aim_debug_info.template.php'
-                    )
-                ),
-                'first_name'
-            );
-        }
-        return $billing_form;
-    }
+	/**
+	 * apply_billing_form_debug_settings
+	 * applies debug data to the form
+	 *
+	 * @param \EE_Billing_Info_Form $billing_form
+	 * @return \EE_Billing_Info_Form
+	 * @throws \EE_Error
+	 */
+	public function apply_billing_form_debug_settings(EE_Billing_Info_Form $billing_form)
+	{
+		if ($this->_pm_instance->debug_mode()
+			|| $this->_pm_instance->get_extra_meta('test_transactions', true, false)
+		) {
+			$billing_form->get_input('credit_card')->set_default('4007000000027');
+			$billing_form->get_input('exp_year')->set_default('2020');
+			if ($billing_form->get_subsection('cvv') instanceof EE_Form_Input_Base) {
+				$billing_form->get_input('cvv')->set_default('123');
+			}
+			$billing_form->add_subsections(
+				array( 'fyi_about_autofill' => $billing_form->payment_fields_autofilled_notice_html() ),
+				'credit_card'
+			);
+			$billing_form->add_subsections(
+				array(
+					'debug_content' => new EE_Form_Section_HTML_From_Template(
+						__DIR__.DS.'templates'.DS.'authorize_net_aim_debug_info.template.php'
+					)
+				),
+				'first_name'
+			);
+		}
+		return $billing_form;
+	}
 
 
 
-    /**
-     * Gets the form for all the settings related to this payment method type
-     * @return EE_Payment_Method_Form
-     */
-    public function generate_new_settings_form()
-    {
-        $billing_input_names = $this->billing_input_names();
-        return new EE_Payment_Method_Form(
-            array(
-                'extra_meta_inputs'=>array(
-                    'login_id'=>new EE_Text_Input(
-                        array(
-                            'html_label_text'=>  sprintf(__("Authorize.net API Login ID %s", "event_espresso"), $this->get_help_tab_link()),
-                            'required' => true )
-                    ),
-                    'transaction_key'=>new EE_Text_Input(
-                        array(
-                            'html_label_text'=> sprintf(__("Authorize.net Transaction Key %s", "event_espresso"), $this->get_help_tab_link()),
-                            'required' => true )
-                    ),
-                    'test_transactions'=>new EE_Yes_No_Input(
-                        array(
-                            'html_label_text'=>  sprintf(__("Send test transactions? %s", 'event_espresso'), $this->get_help_tab_link()),
-                            'html_help_text'=>  __("Send test transactions, even to live server", 'event_espresso'),
-                            'default' => false,
-                            'required' => true
-                        )
-                    ),
-                    'excluded_billing_inputs' => new EE_Checkbox_Multi_Input(
-                        $billing_input_names,
-                        array(
-                        'html_label_text' => sprintf(__("Excluded Payment Form Fields %s", 'event_espresso'), $this->get_help_tab_link()),
-                        'default' => array(
-                            'company',
-                            'fax',
-                        )
-                        )
-                    ),
-                    'required_billing_inputs' => new EE_Checkbox_Multi_Input(
-                        $billing_input_names,
-                        array(
-                            'html_label_text' => sprintf(__("Required Payment Form Fields %s", 'event_espresso'), $this->get_help_tab_link()),
-                            'default' => array_diff(
-                                array_keys($billing_input_names),
-                                array( 'address2', 'phone', 'company', 'fax' )
-                            ),
-                            'html_help_text' => __('Note: if fields are excluded they cannot be required.', 'event_espresso')
-                        )
-                    ),
-                    'server' => new EE_Select_Input(
-                        apply_filters(
-                            'FHEE__EE_PMT_Aim__generate_new_settings_form__server_select_input__options',
-                            array(
-                                'akamai' => __('Authorize.net/Akamai (default)', 'event_espresso'),
-                                'authorize.net' => __('Authorize.net (deprecated)', 'event_espresso'),
-                            ),
-                            $this
-                        ),
-                        array(
-                            'html_label_text' => __('Server', 'event_espresso'),
-                            'html_help_text' => __('The Gateway Server where payment requests will be sent', 'event_espresso')
-                        )
-                    )
+	/**
+	 * Gets the form for all the settings related to this payment method type
+	 * @return EE_Payment_Method_Form
+	 */
+	public function generate_new_settings_form()
+	{
+		$billing_input_names = $this->billing_input_names();
+		return new EE_Payment_Method_Form(
+			array(
+				'extra_meta_inputs'=>array(
+					'login_id'=>new EE_Text_Input(
+						array(
+							'html_label_text'=>  sprintf(__("Authorize.net API Login ID %s", "event_espresso"), $this->get_help_tab_link()),
+							'required' => true )
+					),
+					'transaction_key'=>new EE_Text_Input(
+						array(
+							'html_label_text'=> sprintf(__("Authorize.net Transaction Key %s", "event_espresso"), $this->get_help_tab_link()),
+							'required' => true )
+					),
+					'test_transactions'=>new EE_Yes_No_Input(
+						array(
+							'html_label_text'=>  sprintf(__("Send test transactions? %s", 'event_espresso'), $this->get_help_tab_link()),
+							'html_help_text'=>  __("Send test transactions, even to live server", 'event_espresso'),
+							'default' => false,
+							'required' => true
+						)
+					),
+					'excluded_billing_inputs' => new EE_Checkbox_Multi_Input(
+						$billing_input_names,
+						array(
+						'html_label_text' => sprintf(__("Excluded Payment Form Fields %s", 'event_espresso'), $this->get_help_tab_link()),
+						'default' => array(
+							'company',
+							'fax',
+						)
+						)
+					),
+					'required_billing_inputs' => new EE_Checkbox_Multi_Input(
+						$billing_input_names,
+						array(
+							'html_label_text' => sprintf(__("Required Payment Form Fields %s", 'event_espresso'), $this->get_help_tab_link()),
+							'default' => array_diff(
+								array_keys($billing_input_names),
+								array( 'address2', 'phone', 'company', 'fax' )
+							),
+							'html_help_text' => __('Note: if fields are excluded they cannot be required.', 'event_espresso')
+						)
+					),
+					'server' => new EE_Select_Input(
+						apply_filters(
+							'FHEE__EE_PMT_Aim__generate_new_settings_form__server_select_input__options',
+							array(
+								'akamai' => __('Authorize.net/Akamai (default)', 'event_espresso'),
+								'authorize.net' => __('Authorize.net (deprecated)', 'event_espresso'),
+							),
+							$this
+						),
+						array(
+							'html_label_text' => __('Server', 'event_espresso'),
+							'html_help_text' => __('The Gateway Server where payment requests will be sent', 'event_espresso')
+						)
+					)
                         
-                )
-            )
-        );
-    }
+				)
+			)
+		);
+	}
     
-    /**
-     * Returns an array where keys are the slugs for billing inputs, and values
-     * are their i18n names
-     * @return array
-     */
-    public function billing_input_names()
-    {
-        return array(
-            'first_name' => __('First Name', 'event_espresso'),
-            'last_name' => __('Last Name', 'event_espresso'),
-            'email' => __('Email', 'event_espresso'),
-            'company' => __('Company', 'event_espresso'),
-            'address' => __('Address', 'event_espresso'),
-            'address2' => __('Address2', 'event_espresso'),
-            'city' => __('City', 'event_espresso'),
-            'state' => __('State', 'event_espresso'),
-            'country' => __('Country', 'event_espresso'),
-            'zip' =>  __('Zip', 'event_espresso'),
-            'phone' => __('Phone', 'event_espresso'),
-            'fax' => __('Fax', 'event_espresso'),
-            'cvv' => __('CVV', 'event_espresso')
-        );
-    }
+	/**
+	 * Returns an array where keys are the slugs for billing inputs, and values
+	 * are their i18n names
+	 * @return array
+	 */
+	public function billing_input_names()
+	{
+		return array(
+			'first_name' => __('First Name', 'event_espresso'),
+			'last_name' => __('Last Name', 'event_espresso'),
+			'email' => __('Email', 'event_espresso'),
+			'company' => __('Company', 'event_espresso'),
+			'address' => __('Address', 'event_espresso'),
+			'address2' => __('Address2', 'event_espresso'),
+			'city' => __('City', 'event_espresso'),
+			'state' => __('State', 'event_espresso'),
+			'country' => __('Country', 'event_espresso'),
+			'zip' =>  __('Zip', 'event_espresso'),
+			'phone' => __('Phone', 'event_espresso'),
+			'fax' => __('Fax', 'event_espresso'),
+			'cvv' => __('CVV', 'event_espresso')
+		);
+	}
     
-    /**
-     * Overrides parent so we always have all billing inputs in the returned array,
-     * not just the ones included at the time. This helps simplify the gateway code
-     *
-     * @param EE_Billing_Info_Form $billing_form
-     * @return array
-     */
-    protected function _get_billing_values_from_form($billing_form)
-    {
-        $all_billing_values_empty = array();
-        foreach (array_keys($this->billing_input_names()) as $input_name) {
-            $all_billing_values_empty[ $input_name ] = '';
-        }
-        return array_merge(
-            $all_billing_values_empty,
-            parent::_get_billing_values_from_form($billing_form)
-        );
-    }
+	/**
+	 * Overrides parent so we always have all billing inputs in the returned array,
+	 * not just the ones included at the time. This helps simplify the gateway code
+	 *
+	 * @param EE_Billing_Info_Form $billing_form
+	 * @return array
+	 */
+	protected function _get_billing_values_from_form($billing_form)
+	{
+		$all_billing_values_empty = array();
+		foreach (array_keys($this->billing_input_names()) as $input_name) {
+			$all_billing_values_empty[ $input_name ] = '';
+		}
+		return array_merge(
+			$all_billing_values_empty,
+			parent::_get_billing_values_from_form($billing_form)
+		);
+	}
 
 
 
-    /**
-     * Adds the help tab
-     * @see EE_PMT_Base::help_tabs_config()
-     * @return array
-     */
-    public function help_tabs_config()
-    {
-        return array(
-            $this->get_help_tab_name() => array(
-                'title' => __('Authorize.net AIM Settings', 'event_espresso'),
-                'filename' => 'payment_methods_overview_aim'
-            ),
-        );
-    }
+	/**
+	 * Adds the help tab
+	 * @see EE_PMT_Base::help_tabs_config()
+	 * @return array
+	 */
+	public function help_tabs_config()
+	{
+		return array(
+			$this->get_help_tab_name() => array(
+				'title' => __('Authorize.net AIM Settings', 'event_espresso'),
+				'filename' => 'payment_methods_overview_aim'
+			),
+		);
+	}
 
 
 
-    /**
-     * Gets a list of instructions and/or information regarding how the payment is to be completed
-     * @return string
-     */
-    public function payment_information()
-    {
-        // TODO: Implement payment_information() method.
-    }
+	/**
+	 * Gets a list of instructions and/or information regarding how the payment is to be completed
+	 * @return string
+	 */
+	public function payment_information()
+	{
+		// TODO: Implement payment_information() method.
+	}
 }

core/db_models/EEM_Question.model.php

Indentation +425 added lines, -425 removed lines

@@ -10,429 +10,429 @@
 class EEM_Question extends EEM_Soft_Delete_Base
 {
 
-    // constant used to indicate that the question type is COUNTRY
-    const QST_type_country = 'COUNTRY';
-
-    // constant used to indicate that the question type is DATE
-    const QST_type_date = 'DATE';
-
-    // constant used to indicate that the question type is DROPDOWN
-    const QST_type_dropdown = 'DROPDOWN';
-
-    // constant used to indicate that the question type is CHECKBOX
-    const QST_type_checkbox = 'CHECKBOX';
-
-    // constant used to indicate that the question type is RADIO_BTN
-    const QST_type_radio = 'RADIO_BTN';
-
-    // constant used to indicate that the question type is STATE
-    const QST_type_state = 'STATE';
-
-    // constant used to indicate that the question type is TEXT
-    const QST_type_text = 'TEXT';
-
-    // constant used to indicate that the question type is TEXTAREA
-    const QST_type_textarea = 'TEXTAREA';
-
-    // constant used to indicate that the question type is a TEXTAREA that allows simple html
-    const QST_type_html_textarea = 'HTML_TEXTAREA';
-
-    // constant used to indicate that the question type is an email input
-    const QST_type_email = 'EMAIL';
-
-    // constant used to indicate that the question type is a US-formatted phone number
-    const QST_type_us_phone = 'US_PHONE';
-
-    // constant used to indicate that the question type is an integer (whole number)
-    const QST_type_int = 'INTEGER';
-
-    // constant used to indicate that the question type is a decimal (float)
-    const QST_type_decimal = 'DECIMAL';
-
-    // constant used to indicate that the question type is a valid URL
-    const QST_type_url = 'URL';
-
-    // constant used to indicate that the question type is a YEAR
-    const QST_type_year = 'YEAR';
-
-    // constant used to indicate that the question type is a multi-select
-    const QST_type_multi_select = 'MULTI_SELECT';
-
-    /**
-     * Question types that are interchangeable, even after answers have been provided for them.
-     * Top-level keys are category slugs, next level is an array of question types. If question types
-     * aren't in this array, it is assumed they AREN'T interchangeable with any other question types.
-     *
-     * @access protected
-     * @var array $_question_type_categories {
-     * @type string $text
-     * @type string $single -answer-enum
-     * @type string $multi -answer-enum
-     *                    }
-     */
-    protected $_question_type_categories = array();
-
-    /**
-     * lists all the question types which should be allowed. Ideally, this will be extensible.
-     *
-     * @access protected
-     * @var array $_allowed_question_types
-     */
-    protected $_allowed_question_types = array();
-
-    /**
-     * brief descriptions for all the question types
-     *
-     * @access protected
-     * @var EEM_Question $_instance
-     */
-    protected $_question_descriptions;
-
-
-    /**
-     * Question types that should have an admin-defined max input length
-     * @var array
-     */
-    protected $question_types_with_max_lengh;
-
-
-    // private instance of the Attendee object
-    protected static $_instance = null;
-
-
-    /**
-     * EEM_Question constructor.
-     *
-     * @param null $timezone
-     */
-    protected function __construct($timezone = null)
-    {
-        $this->singular_item = __('Question', 'event_espresso');
-        $this->plural_item = __('Questions', 'event_espresso');
-        $this->_allowed_question_types = apply_filters(
-            'FHEE__EEM_Question__construct__allowed_question_types',
-            array(
-                EEM_Question::QST_type_text => __('Text', 'event_espresso'),
-                EEM_Question::QST_type_textarea => __('Textarea', 'event_espresso'),
-                EEM_Question::QST_type_checkbox => __('Checkboxes', 'event_espresso'),
-                EEM_Question::QST_type_radio => __('Radio Buttons', 'event_espresso'),
-                EEM_Question::QST_type_dropdown => __('Dropdown', 'event_espresso'),
-                EEM_Question::QST_type_state => __('State/Province Dropdown', 'event_espresso'),
-                EEM_Question::QST_type_country => __('Country Dropdown', 'event_espresso'),
-                EEM_Question::QST_type_date => __('Date Picker', 'event_espresso'),
-                EEM_Question::QST_type_html_textarea => __('HTML Textarea', 'event_espresso'),
-                EEM_Question::QST_type_email => __('Email', 'event_espresso'),
-                EEM_Question::QST_type_us_phone => __('USA - Format Phone', 'event_espresso'),
-                EEM_Question::QST_type_decimal => __('Number', 'event_espresso'),
-                EEM_Question::QST_type_int => __('Whole Number', 'event_espresso'),
-                EEM_Question::QST_type_url => __('URL', 'event_espresso'),
-                EEM_Question::QST_type_year => __('Year', 'event_espresso'),
-                EEM_Question::QST_type_multi_select => __('Multi Select', 'event_espresso')
-            )
-        );
-        $this->_question_descriptions = apply_filters(
-            'FHEE__EEM_Question__construct__question_descriptions',
-            array(
-                EEM_Question::QST_type_text => __('A single line text input field', 'event_espresso'),
-                EEM_Question::QST_type_textarea => __('A multi line text input field', 'event_espresso'),
-                EEM_Question::QST_type_checkbox => __('Allows multiple preset options to be selected', 'event_espresso'),
-                EEM_Question::QST_type_radio => __('Allows a single preset option to be selected', 'event_espresso'),
-                EEM_Question::QST_type_dropdown => __('A dropdown that allows a single selection', 'event_espresso'),
-                EEM_Question::QST_type_state => __('A dropdown that lists states/provinces', 'event_espresso'),
-                EEM_Question::QST_type_country => __('A dropdown that lists countries', 'event_espresso'),
-                EEM_Question::QST_type_date => __('A popup calendar that allows date selections', 'event_espresso'),
-                EEM_Question::QST_type_html_textarea => __('A multi line text input field that allows HTML', 'event_espresso'),
-                EEM_Question::QST_type_email => __('A text field that must contain a valid Email address', 'event_espresso'),
-                EEM_Question::QST_type_us_phone => __('A text field that must contain a valid US phone number', 'event_espresso'),
-                EEM_Question::QST_type_decimal => __('A text field that allows number values with decimals', 'event_espresso'),
-                EEM_Question::QST_type_int => __('A text field that only allows whole numbers (no decimals)', 'event_espresso'),
-                EEM_Question::QST_type_url => __('A text field that must contain a valid URL', 'event_espresso'),
-                EEM_Question::QST_type_year => __('A dropdown that lists the last 100 years', 'event_espresso'),
-                EEM_Question::QST_type_multi_select => __('A dropdown that allows multiple selections', 'event_espresso')
-            )
-        );
-        $this->_question_type_categories = (array) apply_filters(
-            'FHEE__EEM_Question__construct__question_type_categories',
-            array(
-                'text' => array(
-                    EEM_Question::QST_type_text,
-                    EEM_Question::QST_type_textarea,
-                    EEM_Question::QST_type_date,
-                    EEM_Question::QST_type_html_textarea,
-                    EEM_Question::QST_type_email,
-                    EEM_Question::QST_type_us_phone,
-                    EEM_Question::QST_type_decimal,
-                    EEM_Question::QST_type_int,
-                    EEM_Question::QST_type_url,
-                    EEM_Question::QST_type_year
-                ),
-                'single-answer-enum' => array(
-                    EEM_Question::QST_type_radio,
-                    EEM_Question::QST_type_dropdown
-                ),
-                'multi-answer-enum' => array(
-                    EEM_Question::QST_type_checkbox,
-                    EEM_Question::QST_type_multi_select
-                )
-            )
-        );
-        $this->question_types_with_max_lengh = apply_filters(
-            'FHEE__EEM_Question___construct__question_types_with_max_length',
-            array(
-                EEM_Question::QST_type_text,
-                EEM_Question::QST_type_textarea,
-                EEM_Question::QST_type_html_textarea
-            )
-        );
-
-        $this->_tables = array(
-            'Question' => new EE_Primary_Table('esp_question', 'QST_ID')
-        );
-        $this->_fields = array(
-            'Question' => array(
-                'QST_ID' => new EE_Primary_Key_Int_Field('QST_ID', __('Question ID', 'event_espresso')),
-                'QST_display_text' => new EE_Post_Content_Field('QST_display_text', __('Question Text', 'event_espresso'), true, ''),
-                'QST_admin_label' => new EE_Plain_Text_Field('QST_admin_label', __('Question Label (admin-only)', 'event_espresso'), true, ''),
-                'QST_system' => new EE_Plain_Text_Field('QST_system', __('Internal string ID for question', 'event_espresso'), false, ''),
-                'QST_type' => new EE_Enum_Text_Field('QST_type', __('Question Type', 'event_espresso'), false, 'TEXT', $this->_allowed_question_types),
-                'QST_required' => new EE_Boolean_Field('QST_required', __('Required Question?', 'event_espresso'), false, false),
-                'QST_required_text' => new EE_Simple_HTML_Field('QST_required_text', __('Text to Display if Not Provided', 'event_espresso'), true, ''),
-                'QST_order' => new EE_Integer_Field('QST_order', __('Question Order', 'event_espresso'), false, 0),
-                'QST_admin_only' => new EE_Boolean_Field('QST_admin_only', __('Admin-Only Question?', 'event_espresso'), false, false),
-                'QST_max' => new EE_Infinite_Integer_Field('QST_max', __('Max Size', 'event_espresso'), false, EE_INF),
-                'QST_wp_user' => new EE_WP_User_Field('QST_wp_user', __('Question Creator ID', 'event_espresso'), false),
-                'QST_deleted' => new EE_Trashed_Flag_Field('QST_deleted', __('Flag Indicating question was deleted', 'event_espresso'), false, false)
-            )
-        );
-        $this->_model_relations = array(
-            'Question_Group' => new EE_HABTM_Relation('Question_Group_Question'),
-            'Question_Option' => new EE_Has_Many_Relation(),
-            'Answer' => new EE_Has_Many_Relation(),
-            'WP_User' => new EE_Belongs_To_Relation(),
-            // for QST_order column
-            'Question_Group_Question' => new EE_Has_Many_Relation()
-        );
-        // this model is generally available for reading
-        $this->_cap_restriction_generators[ EEM_Base::caps_read ] = new EE_Restriction_Generator_Public();
-        $this->_cap_restriction_generators[ EEM_Base::caps_read_admin ] = new EE_Restriction_Generator_Reg_Form('QST_system');
-        $this->_cap_restriction_generators[ EEM_Base::caps_edit ] = new EE_Restriction_Generator_Reg_Form('QST_system');
-        $this->_cap_restriction_generators[ EEM_Base::caps_delete ] = new EE_Restriction_Generator_Reg_Form('QST_system');
-        parent::__construct($timezone);
-    }
-
-    /**
-     * Returns the list of allowed question types, which are normally: 'TEXT','TEXTAREA','RADIO_BTN','DROPDOWN','CHECKBOX','DATE'
-     * but they can be extended
-     * @return string[]
-     */
-    public function allowed_question_types()
-    {
-        return $this->_allowed_question_types;
-    }
-
-    /**
-     * Gets all the question types in the same category
-     * @param string $question_type one of EEM_Question::allowed_question_types(
-     * @return string[] like EEM_Question::allowed_question_types()
-     */
-    public function question_types_in_same_category($question_type)
-    {
-        $question_types = array($question_type);
-        foreach ($this->_question_type_categories as $category => $question_types_in_category) {
-            if (in_array($question_type, $question_types_in_category)) {
-                $question_types = $question_types_in_category;
-                break;
-            }
-        }
-
-        return array_intersect_key($this->allowed_question_types(), array_flip($question_types));
-    }
-
-    /**
-     * Determines if the given question type is in the given question type category
-     * @param string $question_type one of EEM_Question::allowed_question_types()
-     * @param string $category one of the top-level keys of EEM_Question::question_type_categories()
-     * @return boolean
-     */
-    public function question_type_is_in_category($question_type, $category)
-    {
-        if (!isset($this->_question_type_categories[ $category ])) {
-            return false;
-        }
-        return in_array($question_type, $this->_question_type_categories[ $category ]);
-    }
-
-
-    /**
-     * Returns all the question types in the given category
-     * @param string $category
-     * @return array|mixed
-     */
-    public function question_types_in_category($category)
-    {
-        if (isset($this->_question_type_categories[ $category ])) {
-            return $this->_question_type_categories[ $category ];
-        }
-        return array();
-    }
-
-
-    /**
-     * Returns all the question types that should have question options
-     * @return array
-     */
-    public function question_types_with_options()
-    {
-        return array_merge(
-            $this->question_types_in_category('single-answer-enum'),
-            $this->question_types_in_category('multi-answer-enum')
-        );
-    }
-
-    /**
-     * Returns the question type categories 2d array
-     * @return array see EEM_Question::_question_type_categories
-     */
-    public function question_type_categories()
-    {
-        return $this->_question_type_categories;
-    }
-
-    /**
-     * Returns an array of all the QST_system values that can be allowed in the system question group
-     * identified by $system_question_group_id
-     * @param string $system_question_group_id QSG_system
-     * @return array of system question names (QST_system)
-     */
-    public function allowed_system_questions_in_system_question_group($system_question_group_id)
-    {
-        $question_system_ids = array();
-        switch ($system_question_group_id) {
-            case EEM_Question_Group::system_personal:
-                $question_system_ids = array(
-                    EEM_Attendee::system_question_fname,
-                    EEM_Attendee::system_question_lname,
-                    EEM_Attendee::system_question_email,
-                    EEM_Attendee::system_question_phone
-                );
-                break;
-            case EEM_Question_Group::system_address:
-                $question_system_ids = array(
-                    EEM_Attendee::system_question_address,
-                    EEM_Attendee::system_question_address2,
-                    EEM_Attendee::system_question_city,
-                    EEM_Attendee::system_question_state,
-                    EEM_Attendee::system_question_country,
-                    EEM_Attendee::system_question_zip,
-                    EEM_Attendee::system_question_phone
-                );
-                break;
-        }
-        return apply_filters('FHEE__EEM_Question__system_questions_allowed_in_system_question_group__return', $question_system_ids, $system_question_group_id);
-    }
-
-    /**
-     * Returns an array of all the QST_system values that are required in the system question group
-     * identified by $system_question_group_id
-     * @param string $system_question_group_id QSG_system
-     * @return array of system question names (QST_system)
-     */
-    public function required_system_questions_in_system_question_group($system_question_group_id)
-    {
-        $question_system_ids = null;
-        switch ($system_question_group_id) {
-            case EEM_Question_Group::system_personal:
-                $question_system_ids = array(
-                    EEM_Attendee::system_question_fname,
-                    EEM_Attendee::system_question_email,
-                );
-                break;
-            default:
-                $question_system_ids = array();
-        }
-        return apply_filters('FHEE__EEM_Question__system_questions_required_in_system_question_group', $question_system_ids, $system_question_group_id);
-    }
-
-
-    /**
-     * Gets an array for converting between QST_system and QST_IDs for system questions. Eg, if you want to know
-     * which system question QST_ID corresponds to the QST_system 'city', use EEM_Question::instance()->get_Question_ID_from_system_string('city');
-     * @param $QST_system
-     * @return int of QST_ID for the question that corresponds to that QST_system
-     */
-    public function get_Question_ID_from_system_string($QST_system)
-    {
-        return $this->get_var(array(array('QST_system' => $QST_system)));
-    }
-
-
-    /**
-     * searches the db for the question with the latest question order and returns that value.
-     * @access public
-     * @return int
-     */
-    public function get_latest_question_order()
-    {
-        $columns_to_select = array(
-            'max_order' => array("MAX(QST_order)", "%d")
-        );
-        $max = $this->_get_all_wpdb_results(array(), ARRAY_A, $columns_to_select);
-        return isset($max[0], $max[0]['max_order']) ? $max[0]['max_order'] : 0;
-    }
-
-    /**
-     * Returns an array where keys are system question QST_system values,
-     * and values are the highest question max the admin can set on the question
-     * (aka the "max max"; eg, a site admin can change the zip question to have a max
-     * of 5, but no larger than 12)
-     * @return array
-     */
-    public function system_question_maxes()
-    {
-        return array(
-            'fname' => 45,
-            'lname' => 45,
-            'address' => 255,
-            'address2' => 255,
-            'city' => 45,
-            'zip' => 12,
-            'email' => 255,
-            'phone' => 45,
-        );
-    }
-
-    /**
-     * Given a QST_system value, gets the question's largest allowable max input.
-     * @see Registration_Form_Admin_Page::system_question_maxes()
-     * @param string $system_question_value
-     * @return int|float
-     */
-    public function absolute_max_for_system_question($system_question_value)
-    {
-        $maxes = $this->system_question_maxes();
-        if (isset($maxes[ $system_question_value ])) {
-            return $maxes[ $system_question_value ];
-        } else {
-            return EE_INF;
-        }
-    }
-
-
-    /**
-     * @return array
-     */
-    public function question_descriptions()
-    {
-        return $this->_question_descriptions;
-    }
-
-
-    /**
-     * Returns all the question types that should have an admin-defined max input length
-     * @return array
-     */
-    public function questionTypesWithMaxLength()
-    {
-        return (array) $this->question_types_with_max_lengh;
-    }
+	// constant used to indicate that the question type is COUNTRY
+	const QST_type_country = 'COUNTRY';
+
+	// constant used to indicate that the question type is DATE
+	const QST_type_date = 'DATE';
+
+	// constant used to indicate that the question type is DROPDOWN
+	const QST_type_dropdown = 'DROPDOWN';
+
+	// constant used to indicate that the question type is CHECKBOX
+	const QST_type_checkbox = 'CHECKBOX';
+
+	// constant used to indicate that the question type is RADIO_BTN
+	const QST_type_radio = 'RADIO_BTN';
+
+	// constant used to indicate that the question type is STATE
+	const QST_type_state = 'STATE';
+
+	// constant used to indicate that the question type is TEXT
+	const QST_type_text = 'TEXT';
+
+	// constant used to indicate that the question type is TEXTAREA
+	const QST_type_textarea = 'TEXTAREA';
+
+	// constant used to indicate that the question type is a TEXTAREA that allows simple html
+	const QST_type_html_textarea = 'HTML_TEXTAREA';
+
+	// constant used to indicate that the question type is an email input
+	const QST_type_email = 'EMAIL';
+
+	// constant used to indicate that the question type is a US-formatted phone number
+	const QST_type_us_phone = 'US_PHONE';
+
+	// constant used to indicate that the question type is an integer (whole number)
+	const QST_type_int = 'INTEGER';
+
+	// constant used to indicate that the question type is a decimal (float)
+	const QST_type_decimal = 'DECIMAL';
+
+	// constant used to indicate that the question type is a valid URL
+	const QST_type_url = 'URL';
+
+	// constant used to indicate that the question type is a YEAR
+	const QST_type_year = 'YEAR';
+
+	// constant used to indicate that the question type is a multi-select
+	const QST_type_multi_select = 'MULTI_SELECT';
+
+	/**
+	 * Question types that are interchangeable, even after answers have been provided for them.
+	 * Top-level keys are category slugs, next level is an array of question types. If question types
+	 * aren't in this array, it is assumed they AREN'T interchangeable with any other question types.
+	 *
+	 * @access protected
+	 * @var array $_question_type_categories {
+	 * @type string $text
+	 * @type string $single -answer-enum
+	 * @type string $multi -answer-enum
+	 *                    }
+	 */
+	protected $_question_type_categories = array();
+
+	/**
+	 * lists all the question types which should be allowed. Ideally, this will be extensible.
+	 *
+	 * @access protected
+	 * @var array $_allowed_question_types
+	 */
+	protected $_allowed_question_types = array();
+
+	/**
+	 * brief descriptions for all the question types
+	 *
+	 * @access protected
+	 * @var EEM_Question $_instance
+	 */
+	protected $_question_descriptions;
+
+
+	/**
+	 * Question types that should have an admin-defined max input length
+	 * @var array
+	 */
+	protected $question_types_with_max_lengh;
+
+
+	// private instance of the Attendee object
+	protected static $_instance = null;
+
+
+	/**
+	 * EEM_Question constructor.
+	 *
+	 * @param null $timezone
+	 */
+	protected function __construct($timezone = null)
+	{
+		$this->singular_item = __('Question', 'event_espresso');
+		$this->plural_item = __('Questions', 'event_espresso');
+		$this->_allowed_question_types = apply_filters(
+			'FHEE__EEM_Question__construct__allowed_question_types',
+			array(
+				EEM_Question::QST_type_text => __('Text', 'event_espresso'),
+				EEM_Question::QST_type_textarea => __('Textarea', 'event_espresso'),
+				EEM_Question::QST_type_checkbox => __('Checkboxes', 'event_espresso'),
+				EEM_Question::QST_type_radio => __('Radio Buttons', 'event_espresso'),
+				EEM_Question::QST_type_dropdown => __('Dropdown', 'event_espresso'),
+				EEM_Question::QST_type_state => __('State/Province Dropdown', 'event_espresso'),
+				EEM_Question::QST_type_country => __('Country Dropdown', 'event_espresso'),
+				EEM_Question::QST_type_date => __('Date Picker', 'event_espresso'),
+				EEM_Question::QST_type_html_textarea => __('HTML Textarea', 'event_espresso'),
+				EEM_Question::QST_type_email => __('Email', 'event_espresso'),
+				EEM_Question::QST_type_us_phone => __('USA - Format Phone', 'event_espresso'),
+				EEM_Question::QST_type_decimal => __('Number', 'event_espresso'),
+				EEM_Question::QST_type_int => __('Whole Number', 'event_espresso'),
+				EEM_Question::QST_type_url => __('URL', 'event_espresso'),
+				EEM_Question::QST_type_year => __('Year', 'event_espresso'),
+				EEM_Question::QST_type_multi_select => __('Multi Select', 'event_espresso')
+			)
+		);
+		$this->_question_descriptions = apply_filters(
+			'FHEE__EEM_Question__construct__question_descriptions',
+			array(
+				EEM_Question::QST_type_text => __('A single line text input field', 'event_espresso'),
+				EEM_Question::QST_type_textarea => __('A multi line text input field', 'event_espresso'),
+				EEM_Question::QST_type_checkbox => __('Allows multiple preset options to be selected', 'event_espresso'),
+				EEM_Question::QST_type_radio => __('Allows a single preset option to be selected', 'event_espresso'),
+				EEM_Question::QST_type_dropdown => __('A dropdown that allows a single selection', 'event_espresso'),
+				EEM_Question::QST_type_state => __('A dropdown that lists states/provinces', 'event_espresso'),
+				EEM_Question::QST_type_country => __('A dropdown that lists countries', 'event_espresso'),
+				EEM_Question::QST_type_date => __('A popup calendar that allows date selections', 'event_espresso'),
+				EEM_Question::QST_type_html_textarea => __('A multi line text input field that allows HTML', 'event_espresso'),
+				EEM_Question::QST_type_email => __('A text field that must contain a valid Email address', 'event_espresso'),
+				EEM_Question::QST_type_us_phone => __('A text field that must contain a valid US phone number', 'event_espresso'),
+				EEM_Question::QST_type_decimal => __('A text field that allows number values with decimals', 'event_espresso'),
+				EEM_Question::QST_type_int => __('A text field that only allows whole numbers (no decimals)', 'event_espresso'),
+				EEM_Question::QST_type_url => __('A text field that must contain a valid URL', 'event_espresso'),
+				EEM_Question::QST_type_year => __('A dropdown that lists the last 100 years', 'event_espresso'),
+				EEM_Question::QST_type_multi_select => __('A dropdown that allows multiple selections', 'event_espresso')
+			)
+		);
+		$this->_question_type_categories = (array) apply_filters(
+			'FHEE__EEM_Question__construct__question_type_categories',
+			array(
+				'text' => array(
+					EEM_Question::QST_type_text,
+					EEM_Question::QST_type_textarea,
+					EEM_Question::QST_type_date,
+					EEM_Question::QST_type_html_textarea,
+					EEM_Question::QST_type_email,
+					EEM_Question::QST_type_us_phone,
+					EEM_Question::QST_type_decimal,
+					EEM_Question::QST_type_int,
+					EEM_Question::QST_type_url,
+					EEM_Question::QST_type_year
+				),
+				'single-answer-enum' => array(
+					EEM_Question::QST_type_radio,
+					EEM_Question::QST_type_dropdown
+				),
+				'multi-answer-enum' => array(
+					EEM_Question::QST_type_checkbox,
+					EEM_Question::QST_type_multi_select
+				)
+			)
+		);
+		$this->question_types_with_max_lengh = apply_filters(
+			'FHEE__EEM_Question___construct__question_types_with_max_length',
+			array(
+				EEM_Question::QST_type_text,
+				EEM_Question::QST_type_textarea,
+				EEM_Question::QST_type_html_textarea
+			)
+		);
+
+		$this->_tables = array(
+			'Question' => new EE_Primary_Table('esp_question', 'QST_ID')
+		);
+		$this->_fields = array(
+			'Question' => array(
+				'QST_ID' => new EE_Primary_Key_Int_Field('QST_ID', __('Question ID', 'event_espresso')),
+				'QST_display_text' => new EE_Post_Content_Field('QST_display_text', __('Question Text', 'event_espresso'), true, ''),
+				'QST_admin_label' => new EE_Plain_Text_Field('QST_admin_label', __('Question Label (admin-only)', 'event_espresso'), true, ''),
+				'QST_system' => new EE_Plain_Text_Field('QST_system', __('Internal string ID for question', 'event_espresso'), false, ''),
+				'QST_type' => new EE_Enum_Text_Field('QST_type', __('Question Type', 'event_espresso'), false, 'TEXT', $this->_allowed_question_types),
+				'QST_required' => new EE_Boolean_Field('QST_required', __('Required Question?', 'event_espresso'), false, false),
+				'QST_required_text' => new EE_Simple_HTML_Field('QST_required_text', __('Text to Display if Not Provided', 'event_espresso'), true, ''),
+				'QST_order' => new EE_Integer_Field('QST_order', __('Question Order', 'event_espresso'), false, 0),
+				'QST_admin_only' => new EE_Boolean_Field('QST_admin_only', __('Admin-Only Question?', 'event_espresso'), false, false),
+				'QST_max' => new EE_Infinite_Integer_Field('QST_max', __('Max Size', 'event_espresso'), false, EE_INF),
+				'QST_wp_user' => new EE_WP_User_Field('QST_wp_user', __('Question Creator ID', 'event_espresso'), false),
+				'QST_deleted' => new EE_Trashed_Flag_Field('QST_deleted', __('Flag Indicating question was deleted', 'event_espresso'), false, false)
+			)
+		);
+		$this->_model_relations = array(
+			'Question_Group' => new EE_HABTM_Relation('Question_Group_Question'),
+			'Question_Option' => new EE_Has_Many_Relation(),
+			'Answer' => new EE_Has_Many_Relation(),
+			'WP_User' => new EE_Belongs_To_Relation(),
+			// for QST_order column
+			'Question_Group_Question' => new EE_Has_Many_Relation()
+		);
+		// this model is generally available for reading
+		$this->_cap_restriction_generators[ EEM_Base::caps_read ] = new EE_Restriction_Generator_Public();
+		$this->_cap_restriction_generators[ EEM_Base::caps_read_admin ] = new EE_Restriction_Generator_Reg_Form('QST_system');
+		$this->_cap_restriction_generators[ EEM_Base::caps_edit ] = new EE_Restriction_Generator_Reg_Form('QST_system');
+		$this->_cap_restriction_generators[ EEM_Base::caps_delete ] = new EE_Restriction_Generator_Reg_Form('QST_system');
+		parent::__construct($timezone);
+	}
+
+	/**
+	 * Returns the list of allowed question types, which are normally: 'TEXT','TEXTAREA','RADIO_BTN','DROPDOWN','CHECKBOX','DATE'
+	 * but they can be extended
+	 * @return string[]
+	 */
+	public function allowed_question_types()
+	{
+		return $this->_allowed_question_types;
+	}
+
+	/**
+	 * Gets all the question types in the same category
+	 * @param string $question_type one of EEM_Question::allowed_question_types(
+	 * @return string[] like EEM_Question::allowed_question_types()
+	 */
+	public function question_types_in_same_category($question_type)
+	{
+		$question_types = array($question_type);
+		foreach ($this->_question_type_categories as $category => $question_types_in_category) {
+			if (in_array($question_type, $question_types_in_category)) {
+				$question_types = $question_types_in_category;
+				break;
+			}
+		}
+
+		return array_intersect_key($this->allowed_question_types(), array_flip($question_types));
+	}
+
+	/**
+	 * Determines if the given question type is in the given question type category
+	 * @param string $question_type one of EEM_Question::allowed_question_types()
+	 * @param string $category one of the top-level keys of EEM_Question::question_type_categories()
+	 * @return boolean
+	 */
+	public function question_type_is_in_category($question_type, $category)
+	{
+		if (!isset($this->_question_type_categories[ $category ])) {
+			return false;
+		}
+		return in_array($question_type, $this->_question_type_categories[ $category ]);
+	}
+
+
+	/**
+	 * Returns all the question types in the given category
+	 * @param string $category
+	 * @return array|mixed
+	 */
+	public function question_types_in_category($category)
+	{
+		if (isset($this->_question_type_categories[ $category ])) {
+			return $this->_question_type_categories[ $category ];
+		}
+		return array();
+	}
+
+
+	/**
+	 * Returns all the question types that should have question options
+	 * @return array
+	 */
+	public function question_types_with_options()
+	{
+		return array_merge(
+			$this->question_types_in_category('single-answer-enum'),
+			$this->question_types_in_category('multi-answer-enum')
+		);
+	}
+
+	/**
+	 * Returns the question type categories 2d array
+	 * @return array see EEM_Question::_question_type_categories
+	 */
+	public function question_type_categories()
+	{
+		return $this->_question_type_categories;
+	}
+
+	/**
+	 * Returns an array of all the QST_system values that can be allowed in the system question group
+	 * identified by $system_question_group_id
+	 * @param string $system_question_group_id QSG_system
+	 * @return array of system question names (QST_system)
+	 */
+	public function allowed_system_questions_in_system_question_group($system_question_group_id)
+	{
+		$question_system_ids = array();
+		switch ($system_question_group_id) {
+			case EEM_Question_Group::system_personal:
+				$question_system_ids = array(
+					EEM_Attendee::system_question_fname,
+					EEM_Attendee::system_question_lname,
+					EEM_Attendee::system_question_email,
+					EEM_Attendee::system_question_phone
+				);
+				break;
+			case EEM_Question_Group::system_address:
+				$question_system_ids = array(
+					EEM_Attendee::system_question_address,
+					EEM_Attendee::system_question_address2,
+					EEM_Attendee::system_question_city,
+					EEM_Attendee::system_question_state,
+					EEM_Attendee::system_question_country,
+					EEM_Attendee::system_question_zip,
+					EEM_Attendee::system_question_phone
+				);
+				break;
+		}
+		return apply_filters('FHEE__EEM_Question__system_questions_allowed_in_system_question_group__return', $question_system_ids, $system_question_group_id);
+	}
+
+	/**
+	 * Returns an array of all the QST_system values that are required in the system question group
+	 * identified by $system_question_group_id
+	 * @param string $system_question_group_id QSG_system
+	 * @return array of system question names (QST_system)
+	 */
+	public function required_system_questions_in_system_question_group($system_question_group_id)
+	{
+		$question_system_ids = null;
+		switch ($system_question_group_id) {
+			case EEM_Question_Group::system_personal:
+				$question_system_ids = array(
+					EEM_Attendee::system_question_fname,
+					EEM_Attendee::system_question_email,
+				);
+				break;
+			default:
+				$question_system_ids = array();
+		}
+		return apply_filters('FHEE__EEM_Question__system_questions_required_in_system_question_group', $question_system_ids, $system_question_group_id);
+	}
+
+
+	/**
+	 * Gets an array for converting between QST_system and QST_IDs for system questions. Eg, if you want to know
+	 * which system question QST_ID corresponds to the QST_system 'city', use EEM_Question::instance()->get_Question_ID_from_system_string('city');
+	 * @param $QST_system
+	 * @return int of QST_ID for the question that corresponds to that QST_system
+	 */
+	public function get_Question_ID_from_system_string($QST_system)
+	{
+		return $this->get_var(array(array('QST_system' => $QST_system)));
+	}
+
+
+	/**
+	 * searches the db for the question with the latest question order and returns that value.
+	 * @access public
+	 * @return int
+	 */
+	public function get_latest_question_order()
+	{
+		$columns_to_select = array(
+			'max_order' => array("MAX(QST_order)", "%d")
+		);
+		$max = $this->_get_all_wpdb_results(array(), ARRAY_A, $columns_to_select);
+		return isset($max[0], $max[0]['max_order']) ? $max[0]['max_order'] : 0;
+	}
+
+	/**
+	 * Returns an array where keys are system question QST_system values,
+	 * and values are the highest question max the admin can set on the question
+	 * (aka the "max max"; eg, a site admin can change the zip question to have a max
+	 * of 5, but no larger than 12)
+	 * @return array
+	 */
+	public function system_question_maxes()
+	{
+		return array(
+			'fname' => 45,
+			'lname' => 45,
+			'address' => 255,
+			'address2' => 255,
+			'city' => 45,
+			'zip' => 12,
+			'email' => 255,
+			'phone' => 45,
+		);
+	}
+
+	/**
+	 * Given a QST_system value, gets the question's largest allowable max input.
+	 * @see Registration_Form_Admin_Page::system_question_maxes()
+	 * @param string $system_question_value
+	 * @return int|float
+	 */
+	public function absolute_max_for_system_question($system_question_value)
+	{
+		$maxes = $this->system_question_maxes();
+		if (isset($maxes[ $system_question_value ])) {
+			return $maxes[ $system_question_value ];
+		} else {
+			return EE_INF;
+		}
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function question_descriptions()
+	{
+		return $this->_question_descriptions;
+	}
+
+
+	/**
+	 * Returns all the question types that should have an admin-defined max input length
+	 * @return array
+	 */
+	public function questionTypesWithMaxLength()
+	{
+		return (array) $this->question_types_with_max_lengh;
+	}
 }