public function testModifyDatePHP52()
{
$modify = 'first Monday of +1 Month';
$date = new DateTime('2014-01-30');
$date2 = new DateTime('2014-01-30');
$date3 = _eventorganiser_php52_modify($date2, $modify);
$expected = new DateTime('2014-02-03');
$this->assertEquals($expected, $date3);
}
/**
* This is a private function - handles the generation of occurrence dates from the schedule data
* @access private
* @ignore
*
* @param array $event_data - Array containing the event's schedule data
* @return array $event_data - Array containing the event's schedule data including 'occurrences', an array of DateTimes
*/
function _eventorganiser_generate_occurrences($event_data = array())
{
$event_defaults = array('start' => '', 'end' => '', 'all_day' => 0, 'schedule' => 'once', 'schedule_meta' => '', 'frequency' => 1, 'schedule_last' => '', 'number_occurrences' => 0, 'exclude' => array(), 'include' => array());
extract(wp_parse_args($event_data, $event_defaults));
$occurrences = array();
//occurrences array
$exclude = array_filter((array) $exclude);
$include = array_filter((array) $include);
$exclude = array_udiff($exclude, $include, '_eventorganiser_compare_datetime');
$include = array_udiff($include, $exclude, '_eventorganiser_compare_datetime');
//White list schedule
if (!in_array($schedule, array('once', 'daily', 'weekly', 'monthly', 'yearly', 'custom'))) {
return new WP_Error('eo_error', __('Schedule not recognised.', 'eventorganiser'));
}
//Ensure event frequency is a positive integer. Else set to 1.
$frequency = max(absint($frequency), 1);
$all_day = (int) $all_day;
$number_occurrences = absint($number_occurrences);
//Check dates are supplied and are valid
if (!$start instanceof DateTime) {
return new WP_Error('eo_error', __('Start date not provided.', 'eventorganiser'));
}
if (!$end instanceof DateTime) {
$end = clone $start;
}
//If use 'number_occurrences' to limit recurring event, set dummy 'schedule_last' date.
if (!$schedule_last instanceof DateTime && $number_occurrences && in_array($schedule, array('daily', 'weekly', 'monthly', 'yearly'))) {
//Set dummy "last occurrance" date.
$schedule_last = clone $start;
} else {
$number_occurrences = 0;
}
if ('once' == $schedule || !$schedule_last instanceof DateTime) {
$schedule_last = clone $start;
}
//Check dates are in chronological order
if ($end < $start) {
return new WP_Error('eo_error', __('Start date occurs after end date.', 'eventorganiser'));
}
if ($schedule_last < $start) {
return new WP_Error('eo_error', __('Schedule end date is before is before the start date.', 'eventorganiser'));
}
//Now set timezones
$timezone = eo_get_blog_timezone();
$start->setTimezone($timezone);
$end->setTimezone($timezone);
$schedule_last->setTimezone($timezone);
$H = intval($start->format('H'));
$i = intval($start->format('i'));
$start_days = array();
$workaround = '';
$icaldays = array('SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA');
$weekdays = array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
$ical2day = array('SU' => 'Sunday', 'MO' => 'Monday', 'TU' => 'Tuesday', 'WE' => 'Wednesday', 'TH' => 'Thursday', 'FR' => 'Friday', 'SA' => 'Saturday');
//Set up schedule
switch ($schedule) {
case 'once':
case 'custom':
$frequency = 1;
$schedule_meta = '';
$schedule_start = clone $start;
$schedule_last = clone $start;
$start_days[] = clone $start;
$workaround = 'once';
//Not strictly a workaround.
break;
case 'daily':
$interval = "+" . $frequency . "day";
$start_days[] = clone $start;
break;
case 'weekly':
$schedule_meta = $schedule_meta ? array_filter($schedule_meta) : array();
if (!empty($schedule_meta) && is_array($schedule_meta)) {
foreach ($schedule_meta as $day) {
$start_day = clone $start;
$start_day->modify($ical2day[$day]);
$start_days[] = $start_day;
}
} else {
$schedule_meta = array($icaldays[$start->format('w')]);
$start_days[] = clone $start;
}
$interval = "+" . $frequency . "week";
break;
case 'monthly':
$start_days[] = clone $start;
$rule_value = explode('=', $schedule_meta, 2);
$rule = $rule_value[0];
$values = !empty($rule_value[1]) ? explode(',', $rule_value[1]) : array();
//Should only be one value, but may support more in future
$values = array_filter($values);
if ($rule == 'BYMONTHDAY') {
$date = (int) $start_days[0]->format('d');
$interval = "+" . $frequency . "month";
if ($date >= 29) {
$workaround = 'short months';
}
//This case deals with 29/30/31 of month
$schedule_meta = 'BYMONTHDAY=' . $date;
} else {
if (empty($values)) {
$date = (int) $start_days[0]->format('d');
$n = ceil($date / 7);
// nth weekday of month.
$day_num = intval($start_days[0]->format('w'));
//0 (Sun) - 6(Sat)
} else {
//expect e.g. array( 2MO )
preg_match('/^(-?\\d{1,2})([a-zA-Z]{2})/', $values[0], $matches);
$n = (int) $matches[1];
$day_num = array_search($matches[2], $icaldays);
//(Sun) - 6(Sat)
}
if ($n == 5) {
$n = -1;
}
//If 5th, interpret it as last.
$ordinal = array('1' => "first", '2' => "second", '3' => "third", '4' => "fourth", '-1' => "last");
if (!isset($ordinal[$n])) {
return new WP_Error('eo_error', __('Invalid monthly schedule (invalid ordinal)', 'eventorganiser'));
}
$ical_day = $icaldays[$day_num];
//ical day from day_num (SU - SA)
$day = $weekdays[$day_num];
//Full day name from day_num (Sunday -Monday)
$schedule_meta = 'BYDAY=' . $n . $ical_day;
//E.g. BYDAY=2MO
$interval = $ordinal[$n] . ' ' . $day . ' of +' . $frequency . ' month';
//E.g. second monday of +1 month
//Work around for PHP <5.3
if (!function_exists('date_diff')) {
$workaround = 'php5.2';
}
}
break;
case 'yearly':
$start_days[] = clone $start;
if ('29-02' == $start_days[0]->format('d-m')) {
$workaround = 'leap year';
}
$interval = "+" . $frequency . "year";
break;
}
//End $schedule switch
//Now we have setup and validated the schedules - loop through and generate occurrences
foreach ($start_days as $index => $start_day) {
$current = clone $start_day;
$occurrence_n = 0;
switch ($workaround) {
//Not really a workaround. Just add the occurrence and finish.
case 'once':
$current->setTime($H, $i);
$occurrences[] = clone $current;
break;
//Loops for monthly events that require php5.3 functionality
//Loops for monthly events that require php5.3 functionality
case 'php5.2':
while ($current <= $schedule_last || $occurrence_n < $number_occurrences) {
$current->setTime($H, $i);
$occurrences[] = clone $current;
$current = _eventorganiser_php52_modify($current, $interval);
$occurrence_n++;
}
break;
//Loops for monthly events on the 29th/30th/31st
//Loops for monthly events on the 29th/30th/31st
case 'short months':
$day_int = intval($start_day->format('d'));
//Set the first month
$current_month = clone $start_day;
$current_month = date_create($current_month->format('Y-m-1'));
while ($current_month <= $schedule_last || $occurrence_n < $number_occurrences) {
$month_int = intval($current_month->format('m'));
$year_int = intval($current_month->format('Y'));
if (checkdate($month_int, $day_int, $year_int)) {
$current = new DateTime($day_int . '-' . $month_int . '-' . $year_int, $timezone);
$current->setTime($H, $i);
$occurrences[] = clone $current;
$occurrence_n++;
}
$current_month->modify($interval);
}
break;
//To be used for yearly events occuring on Feb 29
//To be used for yearly events occuring on Feb 29
case 'leap year':
$current_year = clone $current;
$current_year->modify('-1 day');
while ($current_year <= $schedule_last || $occurrence_n < $number_occurrences) {
$is_leap_year = (int) $current_year->format('L');
if ($is_leap_year) {
$current = clone $current_year;
$current->modify('+1 day');
$current->setTime($H, $i);
$occurrences[] = clone $current;
$occurrence_n++;
}
$current_year->modify($interval);
}
break;
default:
while ($current <= $schedule_last || $occurrence_n < $number_occurrences) {
$current->setTime($H, $i);
$occurrences[] = clone $current;
$current->modify($interval);
$occurrence_n++;
}
break;
}
//End 'workaround' switch;
}
//Now schedule meta is set up and occurrences are generated.
if ($number_occurrences > 0) {
//If recurrence is limited by #occurrences. Do that here.
sort($occurrences);
$occurrences = array_slice($occurrences, 0, $number_occurrences);
}
//Add inclusions, removes exceptions and duplicates
if (defined('WP_DEBUG') && WP_DEBUG) {
//Make sure 'included' dates doesn't appear in generate date
$include = array_udiff($include, $occurrences, '_eventorganiser_compare_datetime');
}
$occurrences = array_merge($occurrences, $include);
$occurrences = array_udiff($occurrences, $exclude, '_eventorganiser_compare_datetime');
$occurrences = _eventorganiser_remove_duplicates($occurrences);
//Sort occurrences
sort($occurrences);
if (empty($occurrences) || !$occurrences[0] || !$occurrences[0] instanceof DateTime) {
return new WP_Error('eo_error', __('Event does not contain any dates.', 'eventorganiser'));
}
$schedule_start = clone $occurrences[0];
$schedule_last = clone end($occurrences);
$_event_data = array('start' => $start, 'end' => $end, 'all_day' => $all_day, 'schedule' => $schedule, 'schedule_meta' => $schedule_meta, 'frequency' => $frequency, 'schedule_start' => $schedule_start, 'schedule_last' => $schedule_last, 'exclude' => $exclude, 'include' => $include, 'occurrences' => $occurrences);
/**
* Filters the event schedule after its dates has been generated by a given schedule.
*
* The filtered array is an array of occurrences generated from a
* schedule which may include:
*
* * **start** (DateTime) - when the event starts
* * **end** (DateTime) - when the event ends
* * **all_day** (Bool) - If the event is all day or no
* * **all_day** (Bool) - If the event is all day or not
* * **schedule** (String) - One of once|weekl|daily|monthly|yearly|custom
* * **schedule_meta** (Array|String) - See documentation for `eo_insert_event()`
* * **frequency** (int) - The frequency of which the event repeats
* * **schedule_last** (DateTime) - date of last occurrence of event
* * **number_occurrences** (int) - number of times the event should repeat (if `schedule_last` is not specified).
* * **exclude** (array) - Array of DateTime objects to exclude from the schedule
* * **include** (array) - Array of DateTime objects to include in the schedule
* * **occurrences** (array) - Array of DateTime objects generated from the above schedule.
*
* @param array The event schedule with generated occurrences.
* @param array The original event schedule (without occurrences).
*/
$_event_data = apply_filters('eventorganiser_generate_occurrences', $_event_data, $event_data);
return $_event_data;
}
public function testModifyDatePHP52()
{
$modify = 'first Monday of +1 Month';
$expected = new DateTime('2014-02-03');
$date = new DateTime('2014-01-30');
$this->assertEquals($expected, _eventorganiser_php52_modify($date, $modify));
//Check multiple months
$modify = 'LaSt FrIdAY oF +5 MoNtH';
$expected = new DateTime('2014-06-27');
$date = new DateTime('2014-01-30');
$this->assertEquals($expected, _eventorganiser_php52_modify($date, $modify));
//Check without a +
$modify = 'LaSt FrIdAY oF 2 MoNtH';
$expected = new DateTime('2014-03-28');
$date = new DateTime('2014-01-30');
$this->assertEquals($expected, _eventorganiser_php52_modify($date, $modify));
//Check wit a -
$modify = 'third wednesday of -1 month';
$expected = new DateTime('2013-12-18');
$date = new DateTime('2014-01-30');
$this->assertEquals($expected, _eventorganiser_php52_modify($date, $modify));
}
