protected function parse($date, $tz, $format)
{
$array = date_format_patterns();
foreach ($array as $key => $value) {
$patterns[] = "`(^|[^\\\\\\\\])" . $key . "`";
// the letter with no preceding '\'
$repl1[] = '${1}(.)';
// a single character
$repl2[] = '${1}(' . $value . ')';
// the
}
$patterns[] = "`\\\\\\\\([" . implode(array_keys($array)) . "])`";
$repl1[] = '${1}';
$repl2[] = '${1}';
$format_regexp = preg_quote($format);
// extract letters
$regex1 = preg_replace($patterns, $repl1, $format_regexp, 1);
$regex1 = str_replace('A', '(.)', $regex1);
$regex1 = str_replace('a', '(.)', $regex1);
preg_match('`^' . $regex1 . '$`', stripslashes($format), $letters);
array_shift($letters);
// extract values
$regex2 = preg_replace($patterns, $repl2, $format_regexp, 1);
$regex2 = str_replace('A', '(AM|PM)', $regex2);
$regex2 = str_replace('a', '(am|pm)', $regex2);
preg_match('`^' . $regex2 . '$`', $date, $values);
array_shift($values);
// if we did not find all the values for the patterns in the format, abort
if (count($letters) != count($values)) {
return FALSE;
}
$this->granularity = array();
$final_date = array('hour' => 0, 'minute' => 0, 'second' => 0, 'month' => 1, 'day' => 1, 'year' => 0);
foreach ($letters as $i => $letter) {
$value = $values[$i];
switch ($letter) {
case 'd':
case 'j':
$final_date['day'] = intval($value);
$this->addGranularity('day');
break;
case 'n':
case 'm':
$final_date['month'] = intval($value);
$this->addGranularity('month');
break;
case 'F':
$array_month_long = array_flip(date_month_names());
$final_date['month'] = $array_month_long[$value];
$this->addGranularity('month');
break;
case 'M':
$array_month = array_flip(date_month_names_abbr());
$final_date['month'] = $array_month[$value];
$this->addGranularity('month');
break;
case 'Y':
$final_date['year'] = $value;
$this->addGranularity('year');
if (strlen($value) < 4) {
$this->errors['year'] = t('The year is invalid. Please check that entry includes four digits.');
}
break;
case 'y':
$year = $value;
// if no century, we add the current one ("06" => "2006")
$final_date['year'] = str_pad($year, 4, substr(date("Y"), 0, 2), STR_PAD_LEFT);
$this->addGranularity('year');
break;
case 'a':
case 'A':
$ampm = strtolower($value);
break;
case 'g':
case 'h':
case 'G':
case 'H':
$final_date['hour'] = intval($value);
$this->addGranularity('hour');
break;
case 'i':
$final_date['minute'] = intval($value);
$this->addGranularity('minute');
break;
case 's':
$final_date['second'] = intval($value);
$this->addGranularity('second');
break;
case 'U':
parent::__construct($value, $tz ? $tz : new DateTimeZone("UTC"));
$this->addGranularity('year');
$this->addGranularity('month');
$this->addGranularity('day');
$this->addGranularity('hour');
$this->addGranularity('minute');
$this->addGranularity('second');
return $this;
break;
}
}
if (isset($ampm) && $ampm == 'pm' && $final_date['hour'] < 12) {
$final_date['hour'] += 12;
} elseif (isset($ampm) && $ampm == 'am' && $final_date['hour'] == 12) {
$final_date['hour'] -= 12;
}
// Blank becomes current time, given TZ.
parent::__construct('', $tz ? $tz : new DateTimeZone("UTC"));
if ($tz) {
$this->addGranularity('timezone');
}
// SetDate expects an integer value for the year, results can
// be unexpected if we feed it something like '0100' or '0000';
$final_date['year'] = intval($final_date['year']);
$this->errors += $this->arrayErrors($final_date);
$granularity = drupal_map_assoc($this->granularity);
// If the input value is '0000-00-00', PHP's date class will later incorrectly convert
// it to something like '-0001-11-30' if we do setDate() here. If we don't do
// setDate() here, it will default to the current date and we will lose any way to
// tell that there was no date in the orignal input values. So set a flag we can use
// later to tell that this date object was created using only time and that the date
// values are artifical.
if (empty($final_date['year']) && empty($final_date['month']) && empty($final_date['day'])) {
$this->timeOnly = TRUE;
} elseif (empty($this->errors)) {
// setDate() expects a valid year, month, and day.
// Set some defaults for dates that don't use this to
// keep PHP from interpreting it as the last day of
// the previous month or last month of the previous year.
if (empty($granularity['month'])) {
$final_date['month'] = 1;
}
if (empty($granularity['day'])) {
$final_date['day'] = 1;
}
$this->setDate($final_date['year'], $final_date['month'], $final_date['day']);
}
if (!isset($final_date['hour']) && !isset($final_date['minute']) && !isset($final_date['second'])) {
$this->dateOnly = TRUE;
} elseif (empty($this->errors)) {
$this->setTime($final_date['hour'], $final_date['minute'], $final_date['second']);
}
return $this;
}
/**
* Custom repeat rule theme function for dates.
*
* @see date_repeat_rrule_description().
*/
function ringstedtheme_repeat_rrule_description($rrule, $format = 'd.M')
{
// Empty or invalid value.
if (empty($rrule) || !strstr($rrule, 'RRULE')) {
return;
}
module_load_include('inc', 'date_api', 'date_api_ical');
module_load_include('inc', 'date_repeat', 'date_repeat_calc');
$parts = date_repeat_split_rrule($rrule);
$rrule = $parts[0];
if ($rrule['FREQ'] == 'NONE') {
return;
}
// Make sure there will be an empty description for any unused parts.
$description = array('!interval' => '', '!byday' => '', '!bymonth' => '', '!count' => '', '!until' => '', '!except' => '', '!additional' => '', '!week_starts_on' => '');
$interval = date_repeat_interval_options();
switch ($rrule['FREQ']) {
case 'WEEKLY':
if (isset($rrule['BYDAY'])) {
$description['!interval'] = format_plural($rrule['INTERVAL'], '', 'every @count weeks') . ' ';
} else {
$description['!interval'] = format_plural($rrule['INTERVAL'], 'every week', 'every @count weeks') . ' ';
}
break;
case 'MONTHLY':
$description['!interval'] = format_plural($rrule['INTERVAL'], 'every month', 'every @count months') . ' ';
break;
case 'YEARLY':
$description['!interval'] = format_plural($rrule['INTERVAL'], 'every year', 'every @count years') . ' ';
break;
default:
$description['!interval'] = format_plural($rrule['INTERVAL'], 'every day', 'every @count days') . ' ';
break;
}
if (!empty($rrule['BYDAY'])) {
$days = date_repeat_dow_day_options();
$counts = date_repeat_dow_count_options();
$results = array();
$first_day = $rrule['BYDAY'][0];
foreach ($rrule['BYDAY'] as $byday) {
// Get the numeric part of the BYDAY option, i.e. +3 from +3MO.
$day = substr($byday, -2);
$count = str_replace($day, '', $byday);
if (!empty($count)) {
// See if there is a 'pretty' option for this count, i.e. +1 => First.
$order = array_key_exists($count, $counts) ? strtolower($counts[$count]) : $count;
$results[] = trim(t('!repeats_every_interval on the !date_order !day_of_week', array('!repeats_every_interval ' => '', '!date_order' => $order, '!day_of_week' => strtolower($days[$day]))));
} else {
if ($first_day === $byday) {
$results[] = trim(t('!repeats_every_interval every !day_of_week', array('!repeats_every_interval ' => '', '!day_of_week' => strtolower($days[$day]))));
} else {
$results[] = trim(t('!repeats_every_interval !day_of_week', array('!repeats_every_interval ' => '', '!day_of_week' => strtolower($days[$day]))));
}
}
}
$days_count = count($rrule['BYDAY']);
if ($days_count > 2) {
$last_day = array_pop($results);
$description['!byday'] = implode(' , ', $results);
$description['!byday'] .= ' ' . t('and') . ' ' . $last_day;
} else {
$description['!byday'] = implode(' ' . t('and') . ' ', $results);
}
}
if (!empty($rrule['BYMONTH'])) {
if (sizeof($rrule['BYMONTH']) < 12) {
$results = array();
$months = date_month_names();
foreach ($rrule['BYMONTH'] as $month) {
$results[] = $months[$month];
}
if (!empty($rrule['BYMONTHDAY'])) {
$description['!bymonth'] = trim(t('!repeats_every_interval on the !month_days of !month_names', array('!repeats_every_interval ' => '', '!month_days' => implode(', ', $rrule['BYMONTHDAY']), '!month_names' => implode(', ', $results))));
} else {
$description['!bymonth'] = trim(t('!repeats_every_interval on !month_names', array('!repeats_every_interval ' => '', '!month_names' => implode(', ', $results))));
}
}
}
if ($rrule['INTERVAL'] < 1) {
$rrule['INTERVAL'] = 1;
}
if (!empty($rrule['COUNT'])) {
$description['!count'] = trim(t('!repeats_every_interval !count times', array('!repeats_every_interval ' => '', '!count' => $rrule['COUNT'])));
}
if (!empty($rrule['UNTIL'])) {
$until = date_ical_date($rrule['UNTIL'], 'UTC');
date_timezone_set($until, date_default_timezone_object());
$description['!until'] = trim(t('!repeats_every_interval until !until_date', array('!repeats_every_interval ' => '', '!until_date' => strtolower(date_format_date($until, 'custom', $format)))));
}
if (!empty($rrule['WKST'])) {
$day_names = date_repeat_dow_day_options();
$description['!week_starts_on'] = trim(t('!repeats_every_interval where the week start on !day_of_week', array('!repeats_every_interval ' => '', '!day_of_week' => $day_names[trim($rrule['WKST'])])));
}
return preg_replace('/\\s*\\./', '.', t('Repeats !interval !bymonth !byday !count !until !except. !additional', $description));
}
