function display_week()
{
global $vars, $phpc_home_url, $phpcid, $phpc_year, $phpc_month, $phpc_day;
if (!isset($vars['week'])) {
$week_of_year = week_of_year($phpc_month, $phpc_day, $phpc_year);
} else {
if (!is_numeric($vars['week'])) {
soft_error(__('Invalid date.'));
}
$week_of_year = $vars['week'];
}
$day_of_year = 1 + ($week_of_year - 1) * 7 - day_of_week(1, 1, $phpc_year);
$from_stamp = mktime(0, 0, 0, 1, $day_of_year, $phpc_year);
$start_day = date("j", $from_stamp);
$start_month = date("n", $from_stamp);
$start_year = date("Y", $from_stamp);
$last_day = $day_of_year + 6;
$to_stamp = mktime(23, 59, 59, 1, $last_day, $phpc_year);
$end_day = date("j", $to_stamp);
$end_month = date("n", $to_stamp);
$end_year = date("Y", $to_stamp);
$title = month_name($start_month) . " {$start_year}";
if ($end_month != $start_month) {
$title .= " - " . month_name($end_month) . " {$end_year}";
}
$prev_week = $week_of_year - 1;
$prev_year = $phpc_year;
if ($prev_week < 1) {
$prev_year--;
$prev_week = week_of_year($start_month, $start_day - 7, $start_year);
}
$next_week = $week_of_year + 1;
$next_year = $phpc_year;
if ($next_week > weeks_in_year($phpc_year)) {
$next_week = week_of_year($end_month, $end_day + 1, $end_year);
$next_year++;
}
$heading = tag('', tag('a', attrs('class="phpc-icon-link"', "href=\"{$phpc_home_url}?action=display_week&phpcid={$phpcid}&week={$prev_week}&year={$prev_year}\""), tag('span', attrs('class="fa fa-chevron-left"'), '')), $title, tag('a', attrs('class="phpc-icon-link"', "href=\"{$phpc_home_url}?action=display_week&phpcid={$phpcid}&week={$next_week}&year={$next_year}\""), tag('span', attrs('class="fa fa-chevron-right"'), '')));
return create_display_table($heading, create_week($from_stamp, $phpc_year, get_events($from_stamp, $to_stamp)));
}
function create_week($from_stamp, $year, $days_events)
{
$start_day = date("j", $from_stamp);
$start_month = date("n", $from_stamp);
$start_year = date("Y", $from_stamp);
$week_of_year = week_of_year($start_month, $start_day, $start_year);
// Non ISO, the week should be of this year.
if (day_of_week_start() != 1) {
if ($start_year < $year) {
$week_of_year = 1;
}
} else {
// Use week's year as year for ISO
$year = $start_year;
}
$week_html = tag('tr', tag('th', attrs('class="phpc-date ui-state-default"'), create_action_link($week_of_year, 'display_week', array('week' => $week_of_year, 'year' => $year))));
for ($day_of_week = 0; $day_of_week < 7; $day_of_week++) {
$day = $start_day + $day_of_week;
$week_html->add(create_day($start_month, $day, $start_year, $days_events));
}
return $week_html;
}
function create_week($week_of_month, $month, $year, $days_events)
{
$start_day = 1 + ($week_of_month - 1) * 7 - day_of_week($month, 1, $year);
$week_of_year = week_of_year($month, $start_day, $year);
$args = array('week' => $week_of_year, 'year' => $year);
$click = create_plain_link($week_of_year, 'display_week', false, false, false, false, $args);
$week_html = tag('tr', tag('th', attrs('class="ui-state-default"', "onclick=\"window.location.href='{$click}'\""), create_action_link($week_of_year, 'display_week', $args)));
for ($day_of_week = 0; $day_of_week < 7; $day_of_week++) {
$day = $start_day + $day_of_week;
$week_html->add(create_day($month, $day, $year, $days_events));
}
return $week_html;
}
function day($timestamp)
{
$this->timestamp = $timestamp;
$this->year = date('Y', $this->timestamp);
$this->month = date('m', $this->timestamp);
$this->day = date('d', $this->timestamp);
$this->name = date('dMy', $this->timestamp);
$this->week = week_of_year($this->timestamp);
}