/** Converts a WordPress timestamp to UTC. */
function ec3_to_utc($timestamp, $fmt = '%Y%m%dT%H%M00Z')
{
$result = gmstrftime($fmt, ec3_to_time($timestamp));
return $result;
}
/** Get a human-readable 'time since' the current event. */
function ec3_get_since()
{
// To use %SINCE%, you need Dunstan's 'Time Since' plugin.
if (function_exists('time_since')) {
$event = ec3_sensible_start_event();
if (!empty($event)) {
return time_since(time(), ec3_to_time($event->start));
}
}
return '';
}
/** Template function. Call this from your template to insert a list of
* forthcoming events. Available template variables are:
* - template_day: %DATE% %SINCE% (only with Time Since plugin)
* - template_event: %DATE% %TIME% %LINK% %TITLE% %AUTHOR%
*/
function ec3_get_events($limit, $template_event = EC3_DEFAULT_TEMPLATE_EVENT, $template_day = EC3_DEFAULT_TEMPLATE_DAY, $date_format = EC3_DEFAULT_DATE_FORMAT, $template_month = EC3_DEFAULT_TEMPLATE_MONTH, $month_format = EC3_DEFAULT_MONTH_FORMAT)
{
if (!ec3_check_installed(__('Upcoming Events', 'ec3'))) {
return;
}
global $ec3, $wpdb, $wp_version;
// Parse $limit:
// NUMBER - limits number of posts
// NUMBER days - next NUMBER of days
if (empty($limit)) {
$limit_numposts = 'LIMIT 5';
} elseif (preg_match('/^ *([0-9]+) *d(ays?)?/', $limit, $matches)) {
$secs = intval($matches[1]) * 24 * 3600;
$and_before = "AND start<='" . ec3_strftime('%Y-%m-%d', time() + $secs) . "'";
} elseif (intval($limit) < 1) {
$limit_numposts = 'LIMIT 5';
} else {
$limit_numposts = 'LIMIT ' . intval($limit);
}
if (!$date_format) {
$date_format = get_option('date_format');
}
// Find the upcoming events.
$calendar_entries = $wpdb->get_results("SELECT DISTINCT\r\n p.id AS id,\r\n post_title,\r\n start,\r\n u.{$ec3->wp_user_nicename} AS author,\r\n allday\r\n FROM {$ec3->schedule} s\r\n LEFT JOIN {$wpdb->posts} p ON s.post_id=p.id\r\n LEFT JOIN {$wpdb->users} u ON p.post_author = u.id\r\n WHERE p.post_status='publish'\r\n AND end>='{$ec3->today}' {$and_before}\r\n ORDER BY start {$limit_numposts}");
echo "<ul class='ec3_events'>";
echo "<!-- Generated by Event Calendar v{$ec3->version} -->\n";
if ($calendar_entries) {
$time_format = get_option('time_format');
$current_month = false;
$current_date = false;
$data = array();
foreach ($calendar_entries as $entry) {
// To use %SINCE%, you need Dunstan's 'Time Since' plugin.
if (function_exists('time_since')) {
$data['SINCE'] = time_since(time(), ec3_to_time($entry->start));
}
// Month changed?
$data['MONTH'] = mysql2date($month_format, $entry->start);
if ((!$current_month || $current_month != $data['MONTH']) && $template_month) {
if ($current_date) {
echo "</ul></li>\n";
}
if ($current_month) {
echo "</ul></li>\n";
}
echo "<li class='ec3_list ec3_list_month'>" . ec3_format_str($template_month, $data) . "\n<ul>\n";
$current_month = $data['MONTH'];
$current_date = false;
}
// Date changed?
$data['DATE'] = mysql2date($date_format, $entry->start);
if ((!$current_date || $current_date != $data['DATE']) && $template_day) {
if ($current_date) {
echo "</ul></li>\n";
}
echo "<li class='ec3_list ec3_list_day'>" . ec3_format_str($template_day, $data) . "\n<ul>\n";
$current_date = $data['DATE'];
}
if ($entry->allday) {
$data['TIME'] = __('all day', 'ec3');
} else {
$data['TIME'] = mysql2date($time_format, $entry->start);
}
$data['TITLE'] = htmlentities(stripslashes(strip_tags($entry->post_title)), ENT_QUOTES, get_option('blog_charset'));
$data['LINK'] = get_permalink($entry->id);
$data['AUTHOR'] = htmlentities($entry->author, ENT_QUOTES, get_option('blog_charset'));
echo " <li>" . ec3_format_str($template_event, $data) . "</li>\n";
}
if ($current_date) {
echo "</ul></li>\n";
}
if ($current_month) {
echo "</ul></li>\n";
}
} else {
echo "<li>" . __('No events.', 'ec3') . "</li>\n";
}
echo "</ul>\n";
}